Brian J. Karp, MD
NPI 1073657409ActiveIndividual· Internal Medicine, Gastroenterology· Philadelphia, PA
Internal Medicine, Gastroenterology (MD) in Philadelphia, Pennsylvania, trained at Temple University School of Medicine (class of 2005). In 2024 Medicare paid $157,846 for 457 patients, and Part D covered 261 of their prescriptions, 84% of them generic. Abbvie Inc. was the largest of 14 companies reporting payments in 2025, $2,152 in all, mostly food and beverage.
Overview
| NPI | 1073657409 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 18, 2007 |
| Last updated in NPPES | Apr 8, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD445770 | PA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 | 457 |
|---|---|
| Services billed | 6,540 across 46 procedure codes |
| Paid by Medicare | $157,846 |
Part D prescriptions in 2024
| Prescriptions (claims) | 261 · 428 30-day fills |
|---|---|
| Patients | 102 |
| Total drug cost | $147,852 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Temple University School of Medicine |
|---|---|
| Graduation year | 2005 |
| 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$2,152 · 98 payments from 14 companies
- 2024$1,991 · 102 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $548.82 | 30 |
| Madrigal Pharmaceuticals | $310.29 | 8 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $273.46 | 13 |
| Takeda Pharmaceuticals U.S.A., Inc. | $197.59 | 7 |
| Genzyme Corporation | $166.36 | 6 |
What the 2025 payments were for
- Food and Beverage$2,152 · 98 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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