Robert F. Meirowitz, MD
NPI 1639179252ActiveIndividual· Internal Medicine, Gastroenterology· Princeton, NJ
Internal Medicine, Gastroenterology (MD) in Princeton, New Jersey, trained at Georgetown University School of Medicine (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $667,130 for 1,205 claims, against $134,259 paid for services in 2024. Abbvie Inc. was the largest of 16 companies reporting payments in 2025, $1,797 in all, mostly food and beverage.
Overview
| NPI | 1639179252 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 26, 2005 |
| Last updated in NPPES | Dec 11, 2019 |
| Certified by provider | Dec 11, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 25MA04673100 | NJ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 670 |
|---|---|
| Services billed | 1,310 across 26 procedure codes |
| Paid by Medicare | $134,259 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,205 · 2,765 30-day fills |
|---|---|
| Patients | 431 |
| Total drug cost | $667,130 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Georgetown University School of Medicine |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Gastroenterology |
Medical group
- Allied Digestive Health LLCRed Bank, NJ · 286 clinicians
Hospital affiliation
- University Medical Center of Princeton at PlainsboroPlainsboro, NJ
Industry payments (Open Payments)
- 2025$1,797 · 104 payments from 16 companies
- 2024$1,570 · 96 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $439.44 | 31 |
| Janssen Biotech, Inc. | $258.39 | 13 |
| Madrigal Pharmaceuticals | $223.34 | 13 |
| Pfizer Inc. | $157.42 | 9 |
| Regeneron Healthcare Solutions, Inc. | $150.85 | 5 |
What the 2025 payments were for
- Food and Beverage$1,777 · 103 payments
- Grant$20.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Gastroenterology providers in Princeton
- 1508196957
- 1053472266
- 1740998186
- 1396746962
- 1245464379
- 1689964546
- 1881750834
- 1992939235
- 1912005026
- 1851494264
- 1164422788
- 1881694974
All Internal Medicine, Gastroenterology providers in New Jersey →