Medicare Enrolled
Dr. Roy Chen, MD
Hematology & Oncology · Riverhead, NY
Practice pattern: Mixed Practice
— Diverse clinical practice across multiple procedure types
Very High
DATA COVERAGE
Data in 4 of 4 federal sources
Measures public federal data availability — not provider quality
Informational, not a quality rating.
This page presents federal public records about Dr. Chen from CMS (NPPES, Open Payments, Medicare Provider Utilization, PECOS). It is not medical advice, an endorsement, or a judgment of clinical quality. Always consult the provider directly and a licensed clinician for medical decisions. Read methodology →
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What this data tells you about Dr. Chen
Dr. Roy Chen is a hematology & oncology specialist in Riverhead, NY, with 18 years of NPI registration. Based on federal Medicare data, Dr. Chen performed 335,732 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Dr. Chen received a total of $1,240 from 21 pharmaceutical and/or device companies across 50 payment records. A record can group multiple payments. These transfers are publicly reported through CMS Open Payments. Disclosure alone does not establish their effect on care. A reliable breakdown by payment category is not available in this snapshot. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Chen is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
✓ 18 years of NPI registration
▲ Top 1% volume in NY
$1,240 industry payments
Medicare Practice Summary — 2023
Medicare Utilization ↗335,732
Medicare services
Top 1% in NY for hematology & oncology
Not available
Unique patients (not deduplicated)
$10
Avg. Medicare payment
Medicare patients only (65+ / disabled) · How to read this →
Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Iron infusion (Injectafer) An intravenous injection of ferric carboxymaltose, an iron replacement medication. |
156,000 | $1 | $5 |
| Darbepoetin injection (Aranesp) for anemia An injection of darbepoetin alfa used for non-end-stage renal disease purposes. |
24,300 | $2 | $20 |
| Iron sucrose injection (Venofer) An injection of iron sucrose used to replenish iron levels in the body. |
23,400 | $0 | $1 |
| Pembrolizumab injection (Keytruda) | 23,400 | $43 | $100 |
| Denosumab injection (Prolia/Xgeva) | 15,420 | $18 | $89 |
| Paclitaxel chemotherapy injection | 9,973 | $0 | $10 |
| Nivolumab injection (Opdivo) | 9,360 | $23 | $60 |
| Blood draw (venipuncture) Insertion of a needle into a vein to collect a blood sample. |
5,089 | $8 | $20 |
| Complete blood count (CBC) with differential An automated laboratory test that measures the levels of red blood cells, white blood cells, and platelets in the blood, including a breakdown of the different types of white blood cells. |
4,919 | $8 | $150 |
| Dexamethasone injection (steroid) An injection of dexamethasone sodium phosphate, a corticosteroid medication, administered in a dose of 1 milligram. |
4,600 | $0 | $10 |
| Flow cytometry, additional marker An additional marker is tested during a flow cytometry procedure to analyze DNA or cells. This step adds specific data points to the initial analysis. |
4,360 | $23 | $108 |
| Comprehensive metabolic blood panel A blood test that measures a group of chemicals, including glucose, electrolytes, and kidney and liver function markers. |
4,045 | $10 | $60 |
| Immune globulin infusion (Octagam) This procedure involves the administration of immune globulin medication directly into a vein. It is provided in a non-lyophilized liquid form. |
3,470 | $33 | $110 |
| Phosphate level test A blood test that measures the amount of phosphate in your body. Phosphate is a mineral that helps keep bones and teeth strong. |
3,180 | $5 | $50 |
| Magnesium level test A blood test to measure the amount of magnesium in your body. This helps check for magnesium deficiency or excess. |
3,034 | $7 | $75 |
| Uric acid level test A blood test that measures the level of uric acid in your body. Uric acid is a waste product formed when the body breaks down purines. |
2,977 | $4 | $50 |
| Lactate dehydrogenase (LDH) level test A blood test that measures the amount of lactate dehydrogenase, an enzyme found in many body tissues. It helps assess tissue damage or disease. |
2,972 | $6 | $30 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
2,531 | $113 | $456 |
| Ferritin level test (iron stores) A blood test that measures the level of ferritin, a protein that stores iron in the body. |
2,035 | $13 | $150 |
| Iron level test | 1,933 | $6 | $70 |
| Injection, atropine sulfate, 0.01 mg | 1,900 | $0 | $10 |
| Iron binding capacity test A blood test that measures the amount of iron in the blood and the blood's ability to bind and transport iron. |
1,892 | $9 | $125 |
| Chronic care management, first 20 min/month This service covers the first 20 minutes of clinical staff time directed by a healthcare professional each calendar month to manage chronic conditions. |
1,640 | $55 | $150 |
| Drug injection, under skin or into muscle A procedure involving the administration of a medication or substance via injection into the subcutaneous tissue or muscle. |
1,376 | $13 | $190 |
| Romiplostim injection, 10 micrograms An injection of romiplostim containing 10 micrograms of the medication. |
1,300 | $72 | $240 |
| Immunoglobulin level test A blood test that measures the level of gammaglobulins, which are immune system proteins. |
1,260 | $9 | $45 |
| Injection, leucovorin calcium, per 50 mg | 908 | $3 | $20 |
| Vitamin B-12 level test A blood test that measures the amount of vitamin B-12 in your body. |
836 | $15 | $75 |
| Office visit, established patient, complex (40-54 min) An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter. |
807 | $164 | $940 |
| Fluorouracil injection, 500 mg Administration of a 500 mg dose of fluorouracil medication via injection. |
728 | $2 | $10 |
| Carcinoembryonic antigen (CEA) level test A blood test that measures the level of carcinoembryonic antigen (CEA) protein. This test is used to monitor certain types of cancer. |
669 | $19 | $60 |
| Vitamin B-12 injection An injection of vitamin B-12 (cyanocobalamin) with a dose of up to 1000 mcg. |
654 | $1 | $10 |
| Intravenous injection of additional new drug or substance Administration of an additional new medication or substance directly into a vein. |
608 | $15 | $95 |
| Folic acid level test A blood test that measures the amount of folic acid in the serum. |
582 | $14 | $70 |
| Additional sequential IV infusion, 1 hour or less This code represents an additional intravenous infusion administered sequentially to a primary infusion. It covers the administration time of one hour or less. |
571 | $27 | $120 |
| Thyroid stimulating hormone (TSH) test A blood test that measures the level of thyroid stimulating hormone to evaluate thyroid function. |
559 | $16 | $150 |
| Immunoglobulin light chain measurement A blood test that measures the levels of immunoglobulin light chains, which are proteins produced by plasma cells. |
558 | $17 | $70 |
| Intravenous chemotherapy infusion, 1 hour or less Administration of chemotherapy medication directly into a vein. The procedure takes one hour or less to complete. |
554 | $128 | $550 |
| Magnesium sulfate injection, per 500 mg An injection of magnesium sulfate administered in 500 mg increments. |
495 | $1 | $10 |
| Hospital follow-up visit, high complexity Subsequent hospital inpatient or observation care for an existing patient involving high-level medical decision making, with at least 50 minutes total time on the date of the encounter. |
494 | $110 | $380 |
| Intravenous infusion, 1 hour or less Administration of medication or fluid directly into a vein for therapeutic, preventive, or diagnostic purposes. The procedure lasts one hour or less. |
482 | $62 | $499 |
| Manual red blood cell count A laboratory test that manually counts the number of red blood cells in a blood sample. |
456 | $4 | $15 |
| Carboplatin chemotherapy injection, 50 mg Administration of a 50 mg dose of carboplatin, a chemotherapy medication, via injection. |
421 | $2 | $50 |
| Vitamin D level test A blood test to measure the amount of Vitamin D-3 in your body. |
417 | $29 | $150 |
| Serum protein measurement A blood test that measures the total amount of protein in the serum. It helps evaluate overall health and nutritional status. |
391 | $10 | $60 |
| Serum immunofixation test A laboratory test that analyzes a blood serum sample to identify specific abnormal proteins. The procedure uses an immunologic technique to detect and characterize these proteins. |
386 | $22 | $110 |
| Injection, potassium chloride, per 2 meq | 380 | $0 | $10 |
| Anti-nausea injection (ondansetron/Zofran) | 368 | $0 | $10 |
| PSA test (prostate cancer screening) | 353 | $18 | $50 |
| Intravenous drug injection A procedure involving the administration of a medication or substance directly into a vein. |
322 | $36 | $190 |
| Additional hour of intravenous hydration This code represents each additional hour of intravenous fluid administration beyond the initial hour. It is used to bill for extended hydration therapy. |
284 | $12 | $80 |
| Immunologic analysis for detection of tumor antigen, quantitative; ca 15-3 | 264 | $20 | $70 |
| Free thyroxine (T4) test A blood test that measures the level of free thyroxine, a thyroid hormone, in the bloodstream. |
258 | $9 | $30 |
| Erythrocyte sedimentation rate (ESR) test A blood test that measures how quickly red blood cells settle in a test tube to detect inflammation in the body. This specific method is performed manually rather than using an automated machine. |
258 | $4 | $20 |
| Cisplatin chemotherapy injection, 10 mg Administration of a 10 mg dose of cisplatin, a chemotherapy medication, via injection. |
239 | $2 | $20 |
| Prothrombin time test (blood clotting) A laboratory test that measures how long it takes for blood to clot. This procedure evaluates the body's coagulation process. |
234 | $4 | $30 |
| Total cortisol level test A blood test that measures the total amount of cortisol hormone in your body. Cortisol is a hormone produced by the adrenal glands. |
227 | $16 | $75 |
| Diphenhydramine injection, up to 50 mg An injection of diphenhydramine hydrochloride, an antihistamine medication, administered in a dose of up to 50 milligrams. |
225 | $1 | $10 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
221 | $84 | $300 |
| Office visit for established patient An office visit for an existing patient that may not require the healthcare professional to be present. |
218 | $21 | $100 |
| Additional hour of intravenous infusion This code represents each additional hour of intravenous infusion beyond the initial hour for therapy, prevention, or diagnosis. |
212 | $20 | $75 |
| Beta-2 microglobulin level test A blood test that measures the level of beta-2 microglobulin, a protein produced by cells in the body. |
198 | $16 | $50 |
| Flow cytometry DNA or cell analysis, first marker A laboratory test that uses a laser to analyze cells or DNA by detecting a specific marker on the cell surface or within the cell. |
190 | $72 | $300 |
| Normal saline infusion, 250 cc Administration of 250 cubic centimeters of normal saline solution into a vein. This procedure involves the intravenous delivery of a sterile saltwater fluid. |
184 | $0 | $20 |
| Intravenous infusion of new drug or substance, 1 hour or less This procedure involves administering a new medication or substance directly into a vein through an existing access site. The infusion is completed within one hour or less. |
163 | $63 | $420 |
| Total testosterone level test A blood test that measures the total amount of testosterone in your body. This hormone is important for various bodily functions in both men and women. |
158 | $25 | $300 |
| Urinalysis, manual A manual laboratory examination of a urine sample to check for various substances and cells. |
152 | $3 | $50 |
| Injection, fosnetupitant 235 mg and palonosetron 0.25 mg | 144 | $336 | $2,100 |
| Additional hour of intravenous chemotherapy This code represents the administration of chemotherapy medication into a vein for each additional hour beyond the initial period. |
134 | $27 | $125 |
| Intravenous hydration infusion, 31-60 minutes Administration of fluids into a vein to maintain hydration. This procedure involves an infusion lasting between 31 and 60 minutes. |
127 | $31 | $200 |
| New patient office visit, complex (60-74 min) | 124 | $199 | $780 |
| Non-hormonal chemotherapy injection This procedure involves administering non-hormonal anti-neoplastic chemotherapy medication via injection into the skin or muscle tissue. |
110 | $72 | $220 |
| Hemoglobin A1c test (diabetes monitoring) A blood test that measures your average blood sugar levels over the past two to three months. |
109 | $10 | $50 |
| Normal saline infusion, 500 ml Administration of sterile normal saline solution through an intravenous line. This procedure involves the infusion of a 500 ml unit of the solution. |
106 | $1 | $10 |
| Basic blood chemical test (calcium, ionized) A blood test that measures basic chemical levels, specifically including calcium and ionized calcium. |
104 | $13 | $75 |
| Red blood cell concentration measurement A laboratory test that measures the concentration of red blood cells in the blood. |
93 | $2 | $50 |
| Subcutaneous or intramuscular chemotherapy injection This procedure involves administering anti-cancer hormonal medication through an injection into the tissue under the skin or into a muscle. |
90 | $33 | $120 |
| Haptoglobin level test A blood test that measures the amount of haptoglobin, a protein in the serum. It helps evaluate red blood cell breakdown. |
76 | $12 | $75 |
| Venipuncture for blood collection A procedure to draw blood from a vein for medical testing or analysis. |
76 | $87 | $400 |
| Acute hepatitis panel A blood test that screens for markers of acute viral hepatitis infection. |
75 | $46 | $175 |
| Intravenous push injection of new drug or substance A healthcare provider injects a new medication or substance directly into a vein using a push technique. |
73 | $52 | $250 |
| Principal care management for high-risk disease, first 30 minutes This service covers the initial 30 minutes of clinical staff time per calendar month to manage a single high-risk disease. It is directed by a healthcare professional. |
69 | $57 | $226 |
| CA 19-9 tumor antigen test A blood test that measures the level of CA 19-9, a substance that can be found in the blood of some people with cancer. This quantitative analysis detects and measures the specific tumor antigen. |
64 | $20 | $50 |
| Normal saline infusion, 1000 cc Administration of 1000 cc of normal saline solution into a vein. This procedure involves the intravenous delivery of a sterile saltwater solution. |
59 | $2 | $10 |
| Flu vaccine administration This procedure involves the administration of the influenza virus vaccine. It covers the process of delivering the vaccine to the patient. |
57 | $36 | $40 |
| Thyroxine (T4) level test A blood test that measures the total amount of thyroxine, a thyroid hormone, in your body. |
56 | $7 | $35 |
| Irrigation of implanted venous access device This procedure involves flushing an implanted venous access device to clear blockages or maintain patency. It ensures the device remains functional for delivering medications or fluids. |
52 | $24 | $260 |
| Immunologic analysis for detection of tumor antigen, quantitative; ca 125 | 48 | $20 | $50 |
| Flu vaccine, high-dose High-dose seasonal influenza vaccine for adults aged 65 and older. Contains four times the antigen of standard-dose flu vaccines (60 mcg per strain), split-virus formulation, preservative-free, single-dose syringe. |
42 | $72 | $175 |
| IgE level test A blood test that measures the level of immunoglobulin E (IgE) proteins in the immune system. |
39 | $16 | $50 |
| Lipid panel (cholesterol and triglycerides) A blood test that measures cholesterol and triglyceride levels. |
37 | $13 | $300 |
| Rheumatoid factor level | 37 | $5 | $30 |
| IV chemotherapy initiation with community continuation Initiation of an intravenous chemotherapy infusion in a clinic using clinic supplies, with continuation of the infusion in a community setting such as home or assisted living. |
36 | $231 | $900 |
| Parathyroid hormone level test A blood test that measures the amount of parathyroid hormone in your body. This hormone helps regulate calcium levels in the blood and bones. |
35 | $40 | $150 |
| Drug screening test A laboratory test that uses a chemistry analyzer to detect the presence of drugs in a sample. |
34 | $61 | $250 |
| Total bilirubin level test A blood test that measures the total amount of bilirubin, a waste product from the breakdown of red blood cells, in your body. |
32 | $5 | $15 |
| High-sensitivity C-reactive protein test A blood test that measures high-sensitivity C-reactive protein to detect infection or inflammation. |
29 | $13 | $50 |
| Lipase level test A blood test that measures the amount of lipase, a fat-digesting enzyme, in your body. |
28 | $7 | $75 |
| Chronic care management, additional 20 min/month This service covers an extra 20 minutes of clinical staff time directed by a healthcare professional for managing two or more chronic conditions each calendar month. |
27 | $39 | $175 |
| Coagulation assessment blood test A blood test that measures how long it takes for blood to clot. The sample can be plasma or whole blood. |
26 | $6 | $35 |
| Molecular pathology test interpretation A physician reviews and interprets the results of a molecular pathology test to provide a diagnostic report. |
25 | $39 | $188 |
| Mannitol 25% injection, 50 ml Administration of a 50 ml dose of 25% mannitol solution via injection. |
25 | $3 | $10 |
| Basic metabolic blood panel A blood test that measures a group of basic chemicals, including total calcium levels. |
24 | $8 | $20 |
| Calreticulin gene analysis A laboratory test that analyzes the calreticulin gene for common genetic variants. |
23 | $119 | $490 |
| Gene analysis (janus kinase 2) variant | 23 | $90 | $370 |
| JAK2 gene analysis A laboratory test that examines the JAK2 gene to identify specific genetic variations. |
23 | $182 | $741 |
| MPL gene analysis for common variants A laboratory test that analyzes the MPL gene to detect common genetic variants. This procedure identifies specific changes in the thrombopoietin receptor gene. |
23 | $147 | $602 |
| HIV-1 antigen and HIV-1/2 antibody test A laboratory test using immunoassay techniques to detect HIV-1 antigens and antibodies for both HIV-1 and HIV-2. |
23 | $24 | $96 |
| Cholesterol level test A blood test that measures the amount of cholesterol in your body. |
22 | $4 | $20 |
| Albumin level test A blood test that measures the amount of albumin, a protein made by the liver, in your body. |
20 | $5 | $35 |
| Acid phosphatase enzyme test A blood test that measures the total level of the acid phosphatase enzyme. This procedure quantifies the amount of this specific enzyme present in the sample. |
20 | $7 | $20 |
| Transitional care management, high complexity Coordination of care for a patient transitioning from a short-term hospital stay or other facility to home or another care setting. This service addresses a high-complexity medical problem. |
20 | $262 | $580 |
| Amylase enzyme level test A blood test that measures the amount of amylase, an enzyme produced by the pancreas and salivary glands, to help evaluate pancreatic health. |
19 | $6 | $75 |
| Triglyceride level test A blood test that measures the amount of triglycerides, a type of fat, in your blood. |
19 | $6 | $40 |
| Transitional care management services, moderate complexity Services provided to coordinate care during the transition from an inpatient or other facility setting back to the community. This includes follow-up and management of a health problem of at least moderate complexity. |
17 | $193 | $600 |
| Lyme disease antibody test A blood test that checks for antibodies to the bacteria that causes Lyme disease. |
16 | $17 | $250 |
| Blood smear for iron A laboratory test that examines a drop of blood under a microscope to evaluate iron levels and red blood cell characteristics. |
15 | $7 | $20 |
| Quadrivalent influenza vaccine, cell-culture derived A flu shot containing four strains of influenza virus, produced using cell culture technology rather than eggs. This formulation is free from preservatives and antibiotics. |
15 | $33 | $90 |
| Bone marrow biopsy and aspiration A procedure to remove a small sample of bone marrow and liquid for laboratory testing. The sample is analyzed to help diagnose various medical conditions. |
14 | $170 | $875 |
| Influenza virus nucleic acid detection test A laboratory test that uses nucleic acid technology to detect multiple types of influenza virus. |
13 | $94 | $385 |
| Alpha-fetoprotein (AFP) level test A blood test that measures the amount of alpha-fetoprotein in the serum. This test is used to monitor certain health conditions. |
12 | $16 | $40 |
| Blood glucose level test A test that measures the amount of sugar in your blood. |
12 | $4 | $50 |
| Total calcium level test A blood test that measures the total amount of calcium in your body. |
11 | $5 | $25 |
How to read this data: This reflects Medicare patients only (typically 65+). Payment amounts are what Medicare paid the provider, not your out-of-pocket cost. These counts do not measure clinical quality or years of experience.
48.2% high complexity
36.0% medium
15.7% routine
Industry Payment Transparency
Open Payments through 2024 ↗$1,240
Total received (2018-2024)
Avg $177/year across 7 years
Bottom 46% in NY for hematology & oncology
21
Companies
50
Payment records
Payments are publicly reported; disclosure does not establish legality · Not evidence of wrongdoing · How to interpret →
Payment categories are unavailable while the source breakdown is being rebuilt. Company and year totals do not identify how much belongs to each category.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
2024
$129
2023
$71
2022
$320
2021
$263
2020
$74
2019
$113
2018
$269
Payments by company (2024)
Intera Oncology, Inc
$129
Top 3 companies account for 100.0% of 2024 payments
All-time payments by company (2018-2024) ›
Sirtex Medical Inc
$246
AstraZeneca Pharmaceuticals LP
$131
Intera Oncology, Inc
$129
Novartis Pharmaceuticals Corporation
$118
Kite Pharma, Inc.
$113
CTI BioPharma Corp.
$80
Merck Sharp & Dohme Corporation
$54
Janssen Pharmaceuticals, Inc
$50
Mylan Institutional Inc.
$46
PFIZER INC.
$37
Eisai Inc.
$36
EISAI INC.
$36
Kyowa Kirin, Inc.
$35
Alnylam Pharmaceuticals Inc.
$22
Servier Pharmaceuticals LLC
$19
GENZYME CORPORATION
$18
Seattle Genetics, Inc.
$16
Kerecis Limited
$15
EMD Serono, Inc.
$14
Teva Pharmaceuticals USA, Inc.
$12
Gilead Sciences, Inc.
$12
Top 3 companies account for 40.8% of all-time payments
Associated products mentioned in payments ›
BENDEKA · CALQUENCE · FARESTON · GIVLAARI · INTERA · JADENU · JEVTANA · KEYTRUDA · Kerecis Omega3 SurgiClose · Lenvima · MEKINIST · Ogivri · RYDAPT · SIR-Spheres Microspheres · TIBSOVO · VYNDAQEL · Vonjo · XARELTO
Should you be concerned? Industry payments are disclosed through CMS Open Payments. Disclosure alone does not establish their purpose, legality, or effect on care. What matters is whether a recommended drug or device appears in your doctor's payment records. If so, consider asking your doctor about it. How to interpret this data →
Geographic Context
Hematology & oncology specialists in nearby ZIP areas
45
County median income
$128,329
Nearest hospital to ZIP centroid (approximate)
PECONIC BAY MEDICAL CENTER
0.0 mi
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | NPPES snapshot; verify current record |
| Medicare Enrollment | ✓ PECOS | PECOS snapshot |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not included | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Chen is a mixed practice specialist, with above-average Medicare volume (top 1% in NY), with 18 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
Is Dr. Chen experienced with iron infusion (injectafer)?
Based on Medicare claims data, Dr. Chen performed 156,000 iron infusion (injectafer) services. These records cover Medicare fee-for-service activity, including eligible younger beneficiaries; they do not measure total practice volume or clinical quality.
Does Dr. Chen receive payments from pharmaceutical companies?
Yes. Dr. Chen received a total of $1,240 from 21 companies across 50 payment records. A record can group multiple payments. These transfers are publicly disclosed through CMS Open Payments. Disclosure alone does not establish their legality or effect on care. Patients may wish to ask their doctor about these relationships, especially if a recommended drug or device appears in the payment records.
How do Dr. Chen's costs compare to other hematology & oncology specialists in Riverhead?
Dr. Chen's average Medicare payment per service is $10. Note that these figures represent what Medicare pays, not your out-of-pocket cost, which depends on your specific insurance plan and deductible. Procedure-level data above shows both what was submitted and what Medicare paid for each service type.
What does Data Coverage mean?
Data Coverage (currently Very High for Dr. Chen) measures how much public federal data is available about a provider. It is not a quality rating. A "Very High" or "High" level means the provider has data across multiple federal sources (NPPES, PECOS, Medicare Utilization, Open Payments), indicating the presence of registry, enrollment, activity or payment records, not verified experience or clinical quality. A "Low" or "Moderate" level may simply mean the provider is newer, does not see Medicare patients, or has not received any industry payments — none of which are inherently negative. Read our full methodology →
Is this data up to date?
Source publication dates and the snapshots loaded on this site can differ. Rebuilding a page does not refresh its source records. Check the Medicare reporting year and the payment interval shown above; consult the linked official sources for newer releases and current registry details. See our data freshness policy →
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About this page
This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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