Medicare Enrolled
Dr. Leon Chen, MD
Student in an Organized Health Care Education/Training Program · Rowlett, TX
Practice pattern: Clinical Cardiology
— Primarily office-based clinical cardiology
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. Leon Chen is a student in an organized health care education/training program specialist in Rowlett, TX, with 9 years of NPI registration. Based on federal Medicare data, Dr. Chen performed 1,179 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 $3,857 from 34 pharmaceutical and/or device companies across 207 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.
✓ 9 years of NPI registration
▲ Top 17% volume in TX
$3,857 industry payments
Medicare Practice Summary — 2023
Medicare Utilization ↗1,179
Medicare services
Top 17% in TX for student in an organized health care education/training program
Not available
Unique patients (not deduplicated)
$44
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 |
|---|---|---|---|
| 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. |
381 | $83 | $323 |
| Blood draw (venipuncture) Insertion of a needle into a vein to collect a blood sample. |
207 | $8 | $9 |
| 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. |
128 | $62 | $218 |
| Urine microalbumin test A laboratory test that measures the amount of a specific protein called microalbumin in a urine sample. This analysis helps assess kidney function. |
72 | $6 | $20 |
| Automated urinalysis An automated laboratory test performed on a urine sample to analyze its chemical and physical properties. The procedure uses machinery to detect various substances and cells within the urine. |
69 | $2 | $10 |
| Steroid injection (triamcinolone) A 10 mg injection of triamcinolone acetonide, a corticosteroid medication. This code specifies the drug and dosage administered. |
64 | $1 | $4 |
| Flu vaccine administration This procedure involves the administration of the influenza virus vaccine. It covers the process of delivering the vaccine to the patient. |
37 | $31 | $60 |
| Influenza virus detection test A laboratory test that uses an immunoassay technique to detect the presence of the influenza virus through direct visual observation. |
36 | $16 | $53 |
| 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. |
36 | $70 | $90 |
| Drug test with direct observation A drug screening test performed under direct observation to ensure the sample is provided correctly. This method is used to verify the integrity of the specimen collection process. |
31 | $12 | $38 |
| Creatinine test (kidney function) A blood test that measures the amount of creatinine to assess kidney function or detect muscle injury. |
26 | $5 | $23 |
| Annual wellness visit, follow-up A follow-up annual wellness visit that includes a personalized prevention plan of service. |
23 | $128 | $339 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
20 | $95 | $500 |
| 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. |
19 | $9 | $73 |
| SARS-CoV-2 immunoassay test A laboratory test using immunoassay techniques to detect the presence of severe acute respiratory syndrome coronavirus. |
18 | $33 | $84 |
| Strep A rapid test A rapid test to detect Group A Streptococcus bacteria using an immunoassay method with direct visual observation. |
12 | $16 | $53 |
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.
Industry Payment Transparency
Open Payments through 2024 ↗$3,857
Total received (2018-2024)
Avg $643/year across 6 years
Top 10% in TX for student in an organized health care education/training program
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
34
Companies
207
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
$1,074
2023
$946
2022
$787
2021
$664
2020
$355
2018
$31
Payments by company (2024)
Abbott Laboratories
$170
Boehringer Ingelheim Pharmaceuticals, Inc.
$152
AstraZeneca Pharmaceuticals LP
$141
IDORSIA PHARMACEUTICALS US INC
$69
Salix Pharmaceuticals, a division of Bausch Health US, LLC
$61
Exact Sciences Corporation
$56
Lilly USA, LLC
$50
Amgen Inc.
$45
Antares Pharma, Inc.
$45
ABBVIE INC.
$43
PFIZER INC.
$41
GlaxoSmithKline, LLC.
$32
Novo Nordisk Inc
$32
Sumitomo Pharma America, Inc.
$24
Corcept Therapeutics
$23
Optinose US, Inc.
$21
Medicure Pharma Inc.
$19
SANOFI-AVENTIS U.S. LLC
$18
Agios Pharmaceuticals, Inc.
$16
Currax Pharmaceuticals LLC
$15
Top 3 companies account for 43.1% of 2024 payments
All-time payments by company (2018-2024) ›
Boehringer Ingelheim Pharmaceuticals, Inc.
$442
AstraZeneca Pharmaceuticals LP
$352
AbbVie Inc.
$317
Lilly USA, LLC
$298
Novo Nordisk Inc
$194
Abbott Laboratories
$170
Lundbeck LLC
$169
Amgen Inc.
$156
IDORSIA PHARMACEUTICALS US INC
$151
GlaxoSmithKline, LLC.
$148
Medicure Pharma Inc.
$132
Exact Sciences Corporation
$130
Genentech USA, Inc.
$119
PFIZER INC.
$116
ABBVIE INC.
$114
Currax Pharmaceuticals LLC
$108
Antares Pharma, Inc.
$95
Salix Pharmaceuticals, a division of Bausch Health US, LLC
$94
Janssen Pharmaceuticals, Inc
$79
Merck Sharp & Dohme Corporation
$71
Amarin Pharma Inc.
$57
Merck Sharp & Dohme LLC
$52
Biohaven Pharmaceutical Holding Company Ltd.
$49
Kowa Pharmaceuticals America, Inc.
$38
SANOFI-AVENTIS U.S. LLC
$33
Allergan, Inc.
$27
Sumitomo Pharma America, Inc.
$24
Corcept Therapeutics
$23
Optinose US, Inc.
$21
Arbor Pharmaceuticals, Inc.
$18
Biohaven Pharmaceuticals, Inc.
$18
Agios Pharmaceuticals, Inc.
$16
Acerus Pharmaceuticals Corporation
$14
Eisai Inc.
$13
Top 3 companies account for 28.8% of all-time payments
Associated products mentioned in payments ›
AIRSUPRA · Aimovig · BELSOMRA · BEXSERO · BREZTRI · BREZTRI AEROSPHERE · CONTRAVE · Cologuard Collection Kit · Dayvigo · EMGALITY · Edarbi · FARXIGA · FREESTYLE LIBRE 3 · GEMTESA · HMG-CoA reductase inhibitor. · JANUVIA · JARDIANCE · Korlym · LINZESS · Livalo · MOUNJARO · NEXLETOL · NURTEC ODT · Natesto · ONZETRA XSAIL · OTREXUP · Otezla · Ozempic · PAXLOVID · PREVNAR 13 · PREVNAR 20 · QULIPTA · QUVIVIQ · Repatha · Rybelsus · SHINGRIX · SOLIQUA 100/33 · SPRAVATO · STEGLATRO · Saxenda · TEFLARO · TRELEGY ELLIPTA · TRULICITY · TRUMENBA · TZIELD · UBRELVY · VRAYLAR · VYEPTI · Vascepa · Wegovy · XIFAXAN · XYOSTED · Xhance · Xofluza · ZEPBOUND · Zypitamag
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
Student in an organized health care education/training programs in nearby ZIP areas
5,428
County median income
$74,149
Nearest hospital to ZIP centroid (approximate)
BAYLOR SCOTT AND WHITE MEDICAL CENTER LAKE POINTE
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 clinical cardiology specialist, with above-average Medicare volume (top 17% in TX).
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
Is Dr. Chen experienced with office visit, established patient (30-39 min)?
Based on Medicare claims data, Dr. Chen performed 381 office visit, established patient (30-39 min) 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 $3,857 from 34 companies across 207 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 student in an organized health care education/training programs in Rowlett?
Dr. Chen's average Medicare payment per service is $44. 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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