Michael B. Wolfson, M.D.
NPI 1073580940ActiveIndividual· Internal Medicine, Gastroenterology· Malvern, PA
Internal Medicine, Gastroenterology (M.D.) in Malvern, Pennsylvania, trained at Hahnemann University College of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $1,005,376 for 1,033 claims, against $159,277 paid for services in 2024. Abbvie Inc. was the largest of 20 companies reporting payments in 2025, $2,805 in all, mostly food and beverage.
Overview
| NPI | 1073580940 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 1, 2006 |
| Last updated in NPPES | Aug 5, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD417321 | PA |
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 (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 706 |
|---|---|
| Services billed | 4,416 across 47 procedure codes |
| Paid by Medicare | $159,277 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,033 · 1,796 30-day fills |
|---|---|
| Patients | 250 |
| Total drug cost | $1,005,376 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Hahnemann University College of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Gastroenterology |
Medical group
- Regional Gastroenterology Associates of Lancaster, Ltd.Lancaster, PA · 244 clinicians
Hospital affiliations
- Bryn Mawr HospitalBryn Mawr, PA
- Main Line Hospital LankenauWynnewood, PA
- Paoli HospitalPaoli, PA
Industry payments (Open Payments)
- 2025$2,805 · 129 payments from 20 companies
- 2024$2,410 · 125 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $428.28 | 26 |
| Janssen Biotech, Inc. | $405.66 | 15 |
| Takeda Pharmaceuticals U.S.A., Inc. | $364.48 | 14 |
| Qol Medical, LLC | $229.64 | 8 |
| Madrigal Pharmaceuticals | $202.70 | 9 |
What the 2025 payments were for
- Food and Beverage$2,805 · 129 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Gastroenterology providers in Malvern
- 1528925401
- 1467429365
- 1609188879
- 1457327439
- 1275869752
- 1851367783
- 1902196801
- 1891314621
- 1164885398
- 1629638614
- 1568670198
- 1124094073
All Internal Medicine, Gastroenterology providers in Pennsylvania →