Dr. David Chu, M.D.
What this data tells you about Dr. Chu
Dr. David Chu is a hematology & oncology specialist in Port Jefferson Station, NY, with 19 years of NPI registration. Based on federal Medicare data, Dr. Chu performed 254,493 Medicare services across 25,964 unique beneficiaries.
Between the years covered by Open Payments, Dr. Chu received a total of $2,040 from 17 pharmaceutical and/or device companies across 38 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in hematology & oncology. The majority of payments are for speaking programs and promotional activities, reflecting participation in industry-sponsored events. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Chu 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.
Medicare Practice Summary
Medicare Utilization ↗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. |
103,500 | $1 | $5 |
| Pembrolizumab injection (Keytruda) | 22,600 | $43 | $100 |
| Darbepoetin injection (Aranesp) for anemia An injection of darbepoetin alfa used for non-end-stage renal disease purposes. |
17,900 | $2 | $20 |
| Iron sucrose injection (Venofer) An injection of iron sucrose used to replenish iron levels in the body. |
12,602 | $0 | $1 |
| 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. |
10,756 | $23 | $108 |
| Denosumab injection (Prolia/Xgeva) | 10,440 | $18 | $95 |
| Filgrastim injection, 1 microgram An injection of filgrastim, a medication that stimulates the production of white blood cells. This code specifically covers the brand-name drug and excludes biosimilar versions. |
7,560 | $1 | $10 |
| Paclitaxel chemotherapy injection | 5,811 | $0 | $10 |
| 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. |
4,260 | $8 | $150 |
| Blood draw (venipuncture) Insertion of a needle into a vein to collect a blood sample. |
4,238 | $8 | $20 |
| Dexamethasone injection (steroid) An injection of dexamethasone sodium phosphate, a corticosteroid medication, administered in a dose of 1 milligram. |
3,844 | $0 | $10 |
| Comprehensive metabolic blood panel A blood test that measures a group of chemicals, including glucose, electrolytes, and kidney and liver function markers. |
3,450 | $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. |
3,434 | $33 | $110 |
| Magnesium level test A blood test to measure the amount of magnesium in your body. This helps check for magnesium deficiency or excess. |
3,090 | $7 | $75 |
| 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. |
3,087 | $5 | $50 |
| 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. |
3,083 | $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. |
3,021 | $6 | $30 |
| Romiplostim injection, 10 micrograms An injection of romiplostim containing 10 micrograms of the medication. |
2,725 | $73 | $240 |
| Ferritin level test (iron stores) A blood test that measures the level of ferritin, a protein that stores iron in the body. |
2,632 | $13 | $150 |
| Iron level test | 2,611 | $6 | $70 |
| 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. |
2,577 | $9 | $125 |
| 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. |
2,294 | $113 | $458 |
| 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. |
1,908 | $56 | $150 |
| Immunoglobulin level test A blood test that measures the level of gammaglobulins, which are immune system proteins. |
1,443 | $9 | $45 |
| 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. |
920 | $13 | $190 |
| 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. |
759 | $19 | $60 |
| Immunoglobulin light chain measurement A blood test that measures the levels of immunoglobulin light chains, which are proteins produced by plasma cells. |
756 | $17 | $70 |
| 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. |
612 | $163 | $940 |
| Fluorouracil injection, 500 mg Administration of a 500 mg dose of fluorouracil medication via injection. |
568 | $2 | $10 |
| 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. |
467 | $73 | $300 |
| Serum protein measurement A blood test that measures the total amount of protein in the serum. It helps evaluate overall health and nutritional status. |
465 | $10 | $60 |
| Intravenous injection of additional new drug or substance Administration of an additional new medication or substance directly into a vein. |
458 | $15 | $95 |
| 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. |
432 | $28 | $120 |
| 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. |
431 | $22 | $110 |
| Intravenous chemotherapy infusion, 1 hour or less Administration of chemotherapy medication directly into a vein. The procedure takes one hour or less to complete. |
423 | $128 | $550 |
| Thyroid stimulating hormone (TSH) test A blood test that measures the level of thyroid stimulating hormone to evaluate thyroid function. |
385 | $16 | $150 |
| Manual red blood cell count A laboratory test that manually counts the number of red blood cells in a blood sample. |
359 | $4 | $15 |
| Carboplatin chemotherapy injection, 50 mg Administration of a 50 mg dose of carboplatin, a chemotherapy medication, via injection. |
356 | $2 | $50 |
| Vitamin B-12 level test A blood test that measures the amount of vitamin B-12 in your body. |
351 | $15 | $75 |
| 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. |
341 | $110 | $380 |
| Etoposide chemotherapy injection Administration of etoposide, a chemotherapy medication, via injection. The dose specified is 10 mg. |
334 | $1 | $20 |
| 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. |
303 | $4 | $20 |
| Vitamin D level test A blood test to measure the amount of Vitamin D-3 in your body. |
300 | $29 | $150 |
| 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. |
282 | $59 | $500 |
| Beta-2 microglobulin level test A blood test that measures the level of beta-2 microglobulin, a protein produced by cells in the body. |
280 | $16 | $50 |
| Vitamin B-12 injection An injection of vitamin B-12 (cyanocobalamin) with a dose of up to 1000 mcg. |
275 | $1 | $10 |
| 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. |
269 | $12 | $80 |
| Folic acid level test A blood test that measures the amount of folic acid in the serum. |
254 | $14 | $70 |
| Immunologic analysis for detection of tumor antigen, quantitative; ca 15-3 | 236 | $20 | $70 |
| Magnesium sulfate injection, per 500 mg An injection of magnesium sulfate administered in 500 mg increments. |
228 | $1 | $10 |
| Intravenous drug injection A procedure involving the administration of a medication or substance directly into a vein. |
213 | $35 | $190 |
| Diphenhydramine injection, up to 50 mg An injection of diphenhydramine hydrochloride, an antihistamine medication, administered in a dose of up to 50 milligrams. |
205 | $1 | $10 |
| High-sensitivity C-reactive protein test A blood test that measures high-sensitivity C-reactive protein to detect infection or inflammation. |
166 | $13 | $50 |
| Additional hour of intravenous infusion This code represents each additional hour of intravenous infusion beyond the initial hour for therapy, prevention, or diagnosis. |
166 | $20 | $75 |
| New patient office visit, complex (60-74 min) | 165 | $201 | $780 |
| 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. |
162 | $4 | $30 |
| PSA test (prostate cancer screening) | 159 | $18 | $50 |
| Free thyroxine (T4) test A blood test that measures the level of free thyroxine, a thyroid hormone, in the bloodstream. |
158 | $9 | $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. |
157 | $16 | $75 |
| 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. |
151 | $64 | $420 |
| 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. |
137 | $0 | $20 |
| 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. |
130 | $56 | $226 |
| IgE level test A blood test that measures the level of immunoglobulin E (IgE) proteins in the immune system. |
123 | $16 | $50 |
| Haptoglobin level test A blood test that measures the amount of haptoglobin, a protein in the serum. It helps evaluate red blood cell breakdown. |
120 | $12 | $75 |
| 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. |
114 | $82 | $300 |
| 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. |
113 | $30 | $200 |
| Additional hour of intravenous chemotherapy This code represents the administration of chemotherapy medication into a vein for each additional hour beyond the initial period. |
113 | $27 | $125 |
| Immunologic analysis for detection of tumor antigen, quantitative; ca 125 | 112 | $20 | $50 |
| Injection, fosnetupitant 235 mg and palonosetron 0.25 mg | 101 | $346 | $2,100 |
| Urinalysis, manual A manual laboratory examination of a urine sample to check for various substances and cells. |
100 | $3 | $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 |
| 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. |
90 | $1 | $10 |
| Acute hepatitis panel A blood test that screens for markers of acute viral hepatitis infection. |
88 | $47 | $175 |
| Hemoglobin A1c test (diabetes monitoring) A blood test that measures your average blood sugar levels over the past two to three months. |
87 | $9 | $50 |
| Non-hormonal chemotherapy injection This procedure involves administering non-hormonal anti-neoplastic chemotherapy medication via injection into the skin or muscle tissue. |
85 | $71 | $220 |
| Office visit for established patient An office visit for an existing patient that may not require the healthcare professional to be present. |
84 | $20 | $100 |
| 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. |
75 | $55 | $250 |
| Venipuncture for blood collection A procedure to draw blood from a vein for medical testing or analysis. |
71 | $84 | $400 |
| 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. |
68 | $25 | $300 |
| 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. |
68 | $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. |
66 | $2 | $10 |
| Thyroxine (T4) level test A blood test that measures the total amount of thyroxine, a thyroid hormone, in your body. |
58 | $7 | $35 |
| Liver function blood test panel | 50 | $8 | $20 |
| Blood creatinine level test A blood test that measures the amount of creatinine, a waste product from muscle wear and tear, to help assess kidney function. |
48 | $5 | $20 |
| Rheumatoid factor level | 48 | $6 | $30 |
| Blood urea nitrogen test A blood test that measures the amount of urea nitrogen to assess kidney function. |
47 | $4 | $10 |
| Direct bilirubin level test A blood test that measures the amount of direct bilirubin in your body. Direct bilirubin is the form of the waste product processed by the liver. |
46 | $5 | $25 |
| 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. |
41 | $5 | $15 |
| 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. |
40 | $40 | $150 |
| Lipid panel (cholesterol and triglycerides) A blood test that measures cholesterol and triglyceride levels. |
36 | $13 | $300 |
| 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. |
33 | $24 | $96 |
| Molecular pathology test interpretation A physician reviews and interprets the results of a molecular pathology test to provide a diagnostic report. |
33 | $42 | $188 |
| Basic blood chemical test (calcium, ionized) A blood test that measures basic chemical levels, specifically including calcium and ionized calcium. |
32 | $13 | $75 |
| Calreticulin gene analysis A laboratory test that analyzes the calreticulin gene for common genetic variants. |
32 | $119 | $490 |
| Gene analysis (janus kinase 2) variant | 32 | $90 | $370 |
| JAK2 gene analysis A laboratory test that examines the JAK2 gene to identify specific genetic variations. |
32 | $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. |
32 | $147 | $602 |
| Red blood cell concentration measurement A laboratory test that measures the concentration of red blood cells in the blood. |
32 | $2 | $50 |
| 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. |
31 | $42 | $175 |
| Ertapenem sodium injection, 500 mg An injection of ertapenem sodium, an antibiotic medication, administered at a dose of 500 mg. |
30 | $11 | $90 |
| Albumin level test A blood test that measures the amount of albumin, a protein made by the liver, in your body. |
26 | $5 | $35 |
| 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. |
26 | $237 | $900 |
| Flu vaccine administration This procedure involves the administration of the influenza virus vaccine. It covers the process of delivering the vaccine to the patient. |
25 | $36 | $40 |
| Drug screening test A laboratory test that uses a chemistry analyzer to detect the presence of drugs in a sample. |
24 | $61 | $250 |
| 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. |
24 | $21 | $260 |
| 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. |
24 | $262 | $580 |
| Initial hospital admission, high complexity Initial hospital inpatient or observation care for a new patient involving high-level medical decision making, with at least 75 minutes total time on the date of the encounter. |
22 | $162 | $410 |
| 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. |
21 | $72 | $175 |
| 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. |
21 | $193 | $600 |
| Basic metabolic blood panel A blood test that measures a group of basic chemicals, including total calcium levels. |
19 | $8 | $20 |
| Injection, lorazepam, 2 mg | 19 | $1 | $20 |
| Bone density scan (DEXA) A test that uses low-dose X-rays to measure bone mineral density in the hip, pelvis, and spine. It helps assess bone strength and risk of fractures. |
14 | $47 | $70 |
| Blood glucose level test A test that measures the amount of sugar in your blood. |
14 | $4 | $50 |
| 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. |
12 | $6 | $35 |
| Autoimmune disorder screening test A laboratory test used to screen for the presence of autoimmune disorders. |
11 | $12 | $150 |
| COVID-19 amplified DNA/RNA probe detection A laboratory test that uses amplified DNA or RNA probes to detect the presence of severe acute respiratory syndrome coronavirus 2 (COVID-19) antigen. |
11 | $50 | $200 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
The majority of payments (53%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in hematology & oncology and does not inherently indicate bias, but patients may wish to be aware.
Geographic Context
3.1 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | 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. Chu is a mixed practice specialist, with above-average Medicare volume (top 1% in NY), with speaking/promotional industry engagement, with 19 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): 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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