Stuart S. Barish, MD
NPI 1003897299ActiveIndividual· Internal Medicine, Gastroenterology· Media, PA
Internal Medicine, Gastroenterology (MD) in Media, Pennsylvania, trained at Hahnemann University College of Medicine (class of 1989). 648 Medicare patients in 2024, $256,661 paid; nearly all of their 1,020 Part D prescriptions were generic (95%). Abbvie Inc. was the largest of 12 companies reporting payments in 2025, $1,143 in all, mostly food and beverage.
Overview
| NPI | 1003897299 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 7, 2005 |
| Last updated in NPPES | May 11, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD044682L | PA |
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 - Gastroenterology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 648 |
|---|---|
| Services billed | 9,864 across 48 procedure codes |
| Paid by Medicare | $256,661 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,020 · 1,920 30-day fills |
|---|---|
| Patients | 286 |
| Total drug cost | $75,086 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Hahnemann University College of Medicine |
|---|---|
| Graduation year | 1989 |
| 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
- Riddle Memorial HospitalMedia, PA
Industry payments (Open Payments)
- 2025$1,143 · 51 payments from 12 companies
- 2024$637.99 · 33 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $473.42 | 27 |
| Madrigal Pharmaceuticals | $245.07 | 6 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $118.72 | 5 |
| Daiichi Sankyo Inc. | $81.67 | 3 |
| Pfizer Inc. | $45.85 | 2 |
What the 2025 payments were for
- Food and Beverage$1,143 · 51 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Gastroenterology providers in Media
- 1497766885
- 1417148131
- 1033479704
- 1235113036
- 1902164742
- 1275623449
All Internal Medicine, Gastroenterology providers in Pennsylvania →