Stephen P. Martin, M.D.
NPI 1538158241ActiveIndividual· Internal Medicine, Gastroenterology· Cincinnati, OH
Internal Medicine, Gastroenterology (M.D.) in Cincinnati, Ohio, trained at University of Cincinnati College of Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $934,629 for 2,107 claims, against $213,017 paid for services in 2024. Abbvie Inc. was the largest of 18 companies reporting payments in 2025, $1,795 in all, mostly food and beverage.
Overview
| NPI | 1538158241 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 14, 2005 |
| Last updated in NPPES | Apr 18, 2024 |
| Certified by provider | Apr 18, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 35059480 | OH |
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 (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 523 |
|---|---|
| Services billed | 7,580 across 62 procedure codes |
| Paid by Medicare | $213,017 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,107 · 3,682 30-day fills |
|---|---|
| Patients | 607 |
| Total drug cost | $934,629 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | University of Cincinnati College of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Gastroenterology |
Medical group
- Gcga Physicians Inc.Lima, OH · 77 clinicians
Hospital affiliations
- Christ HospitalCincinnati, OH
- Mercy Health - Fairfield HospitalFairfield, OH
- Mercy Health Kings Mills Hospital LLCMason, OH
Industry payments (Open Payments)
- 2025$1,795 · 108 payments from 18 companies
- 2024$1,882 · 127 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $611.68 | 48 |
| Janssen Biotech, Inc. | $197.97 | 11 |
| Madrigal Pharmaceuticals | $164.54 | 6 |
| Qol Medical, LLC | $141.80 | 5 |
| Takeda Pharmaceuticals U.S.A., Inc. | $135.33 | 8 |
What the 2025 payments were for
- Food and Beverage$1,785 · 107 payments
- Education$10.48 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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