Robert J. Dempsey, M.D.
NPI 1558567644ActiveIndividual· Internal Medicine, Gastroenterology· Fort Wayne, IN
Internal Medicine, Gastroenterology (M.D.) in Fort Wayne, Indiana, trained at Wayne State University School of Medicine (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $81,894 for 303 claims, against $21,469 paid for services in 2024. Olympus America Inc. was the largest of 2 companies reporting payments in 2025, $36.43 in all, mostly food and beverage.
Overview
| NPI | 1558567644 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 25, 2007 |
| Last updated in NPPES | Oct 3, 2022 |
| Certified by provider | Oct 3, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 01072586A | IN |
| Internal Medicine | 207R00000X | 4301089945 | 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 - Internal Medicine (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 140 |
|---|---|
| Services billed | 186 across 13 procedure codes |
| Paid by Medicare | $21,469 |
Part D prescriptions in 2024
| Prescriptions (claims) | 303 · 731 30-day fills |
|---|---|
| Patients | 145 |
| Total drug cost | $81,894 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Gastroenterology |
Medical group
- Parkview Health System IncFort Wayne, IN · 1,377 clinicians
Hospital affiliation
- Parkview Regional Medical CenterFort Wayne, IN
Industry payments (Open Payments)
- 2025$36.43 · 2 payments from 2 companies
- 2024$410.39 · 23 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Olympus America Inc. | $21.30 | 1 |
| Janssen Pharmaceuticals, Inc | $15.13 | 1 |
What the 2025 payments were for
- Food and Beverage$36.43 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 43 gastroenterologists in Fort Wayne · All gastroenterologists in Indiana