Alan D. Stewart, M.D.
NPI 1003956178ActiveIndividual· Internal Medicine· Vincennes, IN
Internal Medicine (M.D.) in Vincennes, Indiana, trained at Perelman School of Med at the University of Pennsylvania (class of 1973). Their prescriptions cost Medicare Part D more than their services did: $495,859 for 14,878 claims, against $160,211 paid for services in 2024. Pfizer Inc. was the largest of 2 companies reporting payments in 2025, $133.61 in all, mostly food and beverage.
Overview
| NPI | 1003956178 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Feb 7, 2007 |
| Last updated in NPPES | Oct 28, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 01026790A | IN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 710 |
|---|---|
| Services billed | 2,564 across 20 procedure codes |
| Paid by Medicare | $160,211 |
Part D prescriptions in 2024
| Prescriptions (claims) | 14,878 · 14,933 30-day fills |
|---|---|
| Patients | 157 |
| Total drug cost | $495,859 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Perelman School of Med at the University of Pennsylvania |
|---|---|
| Graduation year | 1973 |
| Medicare specialty | Internal Medicine |
Medical groups
- Theoria MedicalEast Moline, IL · 284 clinicians
- Good Samaritan Hospital Physician Services IncVincennes, IN · 134 clinicians
- Complexcare Medical Group Midwest H PLLCWebster City, IA · 127 clinicians
Hospital affiliation
- Deaconess Hospital IncEvansville, IN
Other facilities
- Dunes Hospice LLCHospice · Valparaiso, IN
- Brickyard Healthcare - Bloomington Care CenterNursing home · Bloomington, IN
- Brickyard Healthcare - Laporte Care CenterNursing home · La Porte, IN
- Brickyard Healthcare - Petersburg Care CenterNursing home · Petersburg, IN
- Brickyard Healthcare - Terrace Care CenterNursing home · La Porte, IN
Industry payments (Open Payments)
- 2025$133.61 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $120.00 | 1 |
| Glaxosmithkline, LLC. | $13.61 | 1 |
What the 2025 payments were for
- Food and Beverage$133.61 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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