Samuel H. Gun, D.O.
NPI 1174584817ActiveIndividual· Internal Medicine, Gastroenterology· Clinton Township, MI
Internal Medicine, Gastroenterology (D.O.) in Clinton Township, Michigan, trained at Des Moines University of Osteopathic Medicine and Health Sciences (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $1,357,980 for 2,343 claims, against $86,346 paid for services in 2024. Abbvie Inc. was the largest of 20 companies reporting payments in 2025, $2,410 in all, mostly food and beverage.
Overview
| NPI | 1174584817 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Mar 31, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 5101010729 | 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 | 487 |
|---|---|
| Services billed | 671 across 29 procedure codes |
| Paid by Medicare | $86,346 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,343 · 4,150 30-day fills |
|---|---|
| Patients | 809 |
| Total drug cost | $1,357,980 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Des Moines University of Osteopathic Medicine and Health Sciences |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Tri-County Gastroenterology, PCClinton Twp, MI · 9 clinicians
Hospital affiliations
- Beaumont Hospital, TroyTroy, MI
- Henry Ford Macomb HospitalClinton Township, MI
- McLaren MacombMount Clemens, MI
Industry payments (Open Payments)
- 2025$2,410 · 112 payments from 20 companies
- 2024$2,717 · 133 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $659.42 | 29 |
| Janssen Biotech, Inc. | $346.02 | 16 |
| Pfizer Inc. | $208.40 | 10 |
| Ardelyx, Inc. | $179.58 | 11 |
| Takeda Pharmaceuticals U.S.A., Inc. | $145.78 | 7 |
What the 2025 payments were for
- Food and Beverage$2,410 · 112 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 22 gastroenterologists in Clinton Township · All gastroenterologists in Michigan