Specialty Directory
Gastroenterology in HARLINGEN, TX
Federal CMS data for 9 gastroenterology providers practicing in HARLINGEN, TX. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.
9
Providers
Median industry payments
$981
9
Gastroenterology Providers
in HARLINGEN, TX
$981
Median Industry Payments
per provider (2018–2024)
893
Median Medicare Services
fee-for-service claims
How to read this directory: Providers are listed by Medicare service volume, which reflects only
Medicare fee-for-service patients (typically 65+). This does not represent total practice volume.
Industry payments span multiple years and payment types — they are legal and do not indicate wrongdoing.
Gastroenterology includes multiple subspecialties with different practice patterns.
Learn more →
Gastroenterology Providers
NPPES · Open Payments · Medicare| Provider | Medicare Volume | Beneficiaries* | Top Procedure | Industry Payments | Payment Type | Coverage |
|---|---|---|---|---|---|---|
| PEREZ, NOLAN MD | 1,762 | 1,551 | Office visit, established patient (20-29 min) | $136,440 (2018-2024) | Consulting (96%) | Very High |
| PHILLIPS, JASON M.D. | 1,162 | 1,080 | Office visit, established patient (20-29 min) | $588 (2018-2024) | Food & Beverage (100%) | Very High |
| MAAT, OWEN MD | 1,159 | 1,000 | Upper GI endoscopy with biopsy | $6,696 (2018-2024) | Travel (51%) | Very High |
| SAMUEL, SANDEEP MD | 1,081 | 1,023 | Office visit, established patient (20-29 min) | $1,961 (2018-2024) | Food & Beverage (56%) | Very High |
| GREEN, WAYNE M.D. | 893 | 792 | Office visit, established patient (20-29 min) | $1,678 (2018-2024) | Travel (61%) | Very High |
| ALVAREZ, OSCAR MD | 135 | 132 | Office visit, established patient (20-29 min) | $339 (2019-2023) | Food & Beverage (100%) | Very High |
| JAMES, ORAL M.D. | 12 | 12 | Initial hospital admission, moderate complexity | $153 (2018-2021) | Food & Beverage (100%) | Very High |
| SILVA, MAURO MD, MPH | — | — | — | $981 (2023-2024) | Food & Beverage (100%) | Moderate |
| NGUYEN, NGHIA DO | — | — | — | $29 (2023-2023) | Grant (100%) | Moderate |
Note: Gastroenterology encompasses multiple subspecialties with different practice patterns.
Differences in payment amounts and procedure volumes may reflect subspecialty focus
rather than practice quality. Consider viewing individual profiles for full context.
By Practice Pattern
Gastroenterology encompasses multiple practice patterns. Comparing providers within the same pattern provides more meaningful context.
Clinical Cardiology (5)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| PEREZ, NOLAN | 1,762 | $136,440 |
| PHILLIPS, JASON | 1,162 | $588 |
| SAMUEL, SANDEEP | 1,081 | $1,961 |
| GREEN, WAYNE | 893 | $1,678 |
| ALVAREZ, OSCAR | 135 | $339 |
Mixed Practice (2)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| MAAT, OWEN | 1,159 | $6,696 |
| JAMES, ORAL | 12 | $153 |
General Practice (2)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| SILVA, MAURO | 0 | $981 |
| NGUYEN, NGHIA | 0 | $29 |