Stephen James Mularz, D.O.
NPI 1982018156ActiveIndividual· Internal Medicine, Gastroenterology· Hazard, KY
Internal Medicine, Gastroenterology (D.O.) in Hazard, Kentucky, trained at Lincoln Mem Univ, Debusk Col of Osteopathic Med (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $119,419 for 716 claims, against $59,082 paid for services in 2024. Abbvie Inc. was the largest of 15 companies reporting payments in 2025, $1,309 in all, mostly food and beverage.
Overview
| NPI | 1982018156 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jun 16, 2014 |
| Last updated in NPPES | Jul 31, 2026 |
| Certified by provider | Jul 31, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | E000 | KY |
| Internal Medicine | 207R00000X | E000 | KY |
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 (KY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 289 |
|---|---|
| Services billed | 649 across 41 procedure codes |
| Paid by Medicare | $59,082 |
Part D prescriptions in 2024
| Prescriptions (claims) | 716 · 988 30-day fills |
|---|---|
| Patients | 234 |
| Total drug cost | $119,419 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Lincoln Mem Univ, Debusk Col of Osteopathic Med |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Gastroenterology |
Medical group
- Appalachian Regional Healthcare IncMiddlesboro, KY · 318 clinicians
Hospital affiliations
- Harlan Arh HospitalHarlan, KY
- Hazard Arh Regional Medical CenterHazard, KY
- Whitesburg Arh HospitalWhitesburg, KY
Industry payments (Open Payments)
- 2025$1,309 · 56 payments from 15 companies
- 2024$1,077 · 57 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $350.49 | 22 |
| Madrigal Pharmaceuticals | $274.27 | 10 |
| Gilead Sciences, Inc. | $197.60 | 4 |
| La Jolla Pharmaceutical Company | $125.00 | 1 |
| Janssen Biotech, Inc. | $83.99 | 4 |
What the 2025 payments were for
- Food and Beverage$1,309 · 56 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Gastroenterology providers in Hazard
- 1265408900
- 1881660538
- 1376585067
All Internal Medicine, Gastroenterology providers in Kentucky →