Fernando Nicolas Gamarra, MD
NPI 1457473654ActiveIndividual· Internal Medicine, Gastroenterology· Clinton Twp, MI
Internal Medicine, Gastroenterology (MD) with Tri-County Gastroenterology, PC, practicing in Clinton Twp, Michigan. Their prescriptions cost Medicare Part D more than their services did: $1,491,849 for 1,198 claims, against $71,827 paid for services in 2024. Abbvie Inc. was the largest of 20 companies reporting payments in 2025, $3,341 in all, mostly food and beverage. Lists Henry Ford Health St John Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1457473654 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 6, 2007 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 4301088745 | MI |
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 (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 362 |
|---|---|
| Services billed | 563 across 41 procedure codes |
| Paid by Medicare | $71,827 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,198 · 2,039 30-day fills |
|---|---|
| Patients | 438 |
| Total drug cost | $1,491,849 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Tri-County Gastroenterology, PCClinton Twp, MI · 9 clinicians
Hospital affiliations
- Henry Ford Health St John HospitalDetroit, MI
- McLaren MacombMount Clemens, MI
Industry payments (Open Payments)
- 2025$3,341 · 157 payments from 20 companies
- 2024$2,733 · 134 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $818.40 | 38 |
| Janssen Biotech, Inc. | $555.38 | 26 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $315.93 | 15 |
| Takeda Pharmaceuticals U.S.A., Inc. | $264.78 | 12 |
| Genzyme Corporation | $215.48 | 10 |
What the 2025 payments were for
- Food and Beverage$3,341 · 157 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other gastroenterologists in Clinton Twp
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