Mark D. O'Brien, D.O.
NPI 1265532212ActiveIndividual· Pediatrics· Fort Wayne, IN
Pediatrics (D.O.) in Fort Wayne, Indiana, licensed in IN, with an NPI issued in September 2006. Merck Sharp & Dohme LLC reported $16.76 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1265532212 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Sep 22, 2006 |
| Last updated in NPPES | Apr 14, 2025 |
| Certified by provider | Apr 14, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics Primary | 208000000X | 02001451A | IN |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Industry payments (Open Payments)
- 2025$16.76 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $16.76 | 1 |
What the 2025 payments were for
- Food and Beverage$16.76 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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