Michael Adam Waronker, DO
NPI 1275623449ActiveIndividual· Internal Medicine, Gastroenterology· Media, PA
Internal Medicine, Gastroenterology (DO) in Media, Pennsylvania, trained at Philadelphia College of Osteopathic Medicine (class of 1994). 410 Medicare patients in 2024, $77,385 paid; nearly all of their 298 Part D prescriptions were generic (97%). Genzyme Corporation was the largest of 3 companies reporting payments in 2025, $85.28 in all, mostly food and beverage.
Overview
| NPI | 1275623449 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Oct 16, 2006 |
| Last updated in NPPES | Feb 7, 2026 |
| Certified by provider | Feb 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | OS009029L | 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 | 410 |
|---|---|
| Services billed | 817 across 22 procedure codes |
| Paid by Medicare | $77,385 |
Part D prescriptions in 2024
| Prescriptions (claims) | 298 · 649 30-day fills |
|---|---|
| Patients | 109 |
| Total drug cost | $20,022 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical groups
- Main Line HealthcareWynewood, PA · 1,184 clinicians
- Clinical Care Associates of the University of Pennsylvania Health.Philadelphia, PA · 598 clinicians
Hospital affiliations
- Bryn Mawr HospitalBryn Mawr, PA
- Main Line Hospital LankenauWynnewood, PA
- Phoenixville HospitalPhoenixville, PA
- Reading HospitalWest Reading, PA
- Riddle Memorial HospitalMedia, PA
Industry payments (Open Payments)
- 2025$85.28 · 4 payments from 3 companies
- 2024$34.51 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $34.11 | 2 |
| Celltrion USA Inc. | $27.00 | 1 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $24.17 | 1 |
What the 2025 payments were for
- Food and Beverage$85.28 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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