Aaron Bellows, M.D.
NPI 1689964546ActiveIndividual· Internal Medicine, Gastroenterology· Princeton, NJ
Internal Medicine, Gastroenterology (M.D.) with Allied Digestive Health LLC, practicing in Princeton, New Jersey. Their prescriptions cost Medicare Part D more than their services did: $1,078,884 for 1,207 claims, against $78,791 paid for services in 2024. Abbvie Inc. was the largest of 15 companies reporting payments in 2025, $1,674 in all, mostly food and beverage. Lists University Medical Center of Princeton at Plainsboro as a hospital affiliation.
Overview
| NPI | 1689964546 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 13, 2011 |
| Last updated in NPPES | Sep 23, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 25MA09442200 | 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 | 364 |
|---|---|
| Services billed | 739 across 31 procedure codes |
| Paid by Medicare | $78,791 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,207 · 2,531 30-day fills |
|---|---|
| Patients | 325 |
| Total drug cost | $1,078,884 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| 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$1,674 · 91 payments from 15 companies
- 2024$1,322 · 77 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $395.63 | 25 |
| Janssen Biotech, Inc. | $264.36 | 12 |
| Pfizer Inc. | $205.39 | 12 |
| Regeneron Healthcare Solutions, Inc. | $168.90 | 6 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $140.04 | 8 |
What the 2025 payments were for
- Food and Beverage$1,645 · 89 payments
- Grant$20.00 · 1 payment
- Education$9.65 · 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
- 1881750834
- 1992939235
- 1912005026
- 1639179252
- 1851494264
- 1164422788
- 1881694974
All Internal Medicine, Gastroenterology providers in New Jersey →