Bryan Contreras, M.D.
NPI 1578549457ActiveIndividual· Internal Medicine, Gastroenterology· Tucson, AZ
Internal Medicine, Gastroenterology (M.D.) with Arizona Gastroenterology Ltd, practicing in Tucson, Arizona. Their prescriptions cost Medicare Part D more than their services did: $827,696 for 1,306 claims, against $112,423 paid for services in 2024. Abbvie Inc. was the largest of 15 companies reporting payments in 2025, $937.34 in all, mostly food and beverage. Lists Northwest Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1578549457 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 21, 2005 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 31485 | AZ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 563 |
|---|---|
| Services billed | 992 across 24 procedure codes |
| Paid by Medicare | $112,423 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,306 · 2,069 30-day fills |
|---|---|
| Patients | 717 |
| Total drug cost | $827,696 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical group
- Arizona Gastroenterology LtdTucson, AZ · 8 clinicians
Hospital affiliations
- Northwest Medical CenterTucson, AZ
- Oro Valley HospitalOro Valley, AZ
Industry payments (Open Payments)
- 2025$937.34 · 41 payments from 15 companies
- 2024$1,636 · 77 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $298.68 | 17 |
| Medtronic, Inc. | $147.87 | 2 |
| Pfizer Inc. | $95.19 | 4 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $60.68 | 3 |
| Genzyme Corporation | $46.29 | 2 |
What the 2025 payments were for
- Food and Beverage$937.34 · 41 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 79 gastroenterologists in Tucson · All gastroenterologists in Arizona