Steven David Gronowitz, M.D.
NPI 1093772030ActiveIndividual· Internal Medicine, Gastroenterology· Clifton, NJ
Internal Medicine, Gastroenterology (M.D.) with Gastroenterology Associates of New Jersey LLC and 1 other group, practicing in Clifton, New Jersey. In 2024 Medicare paid $521,137 for 397 patients, and Part D covered 990 of their prescriptions, 75% of them generic. Abbvie Inc. was the largest of 22 companies reporting payments in 2025, $2,560 in all, mostly food and beverage. Lists Clara Maass Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1093772030 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 26, 2006 |
| Last updated in NPPES | Aug 9, 2023 |
| Certified by provider | Aug 9, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MA62232 | NJ |
| Internal Medicine, Hepatology | 207RI0008X | MA62232 | 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 | 397 |
|---|---|
| Services billed | 32,307 across 49 procedure codes |
| Paid by Medicare | $521,137 |
Part D prescriptions in 2024
| Prescriptions (claims) | 990 · 2,002 30-day fills |
|---|---|
| Patients | 283 |
| Total drug cost | $743,334 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical groups
- Gastroenterology Associates of New Jersey LLCRidgewood, NJ · 80 clinicians
- Bhmg - United MedicalBayonne, NJ · 28 clinicians
Hospital affiliations
- Clara Maass Medical CenterBelleville, NJ
- St Mary's General HospitalPassaic, NJ
Industry payments (Open Payments)
- 2025$2,560 · 172 payments from 22 companies
- 2024$3,072 · 144 payments from 27 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $608.23 | 49 |
| Madrigal Pharmaceuticals | $314.95 | 15 |
| Janssen Biotech, Inc. | $296.14 | 23 |
| Vivus LLC | $198.69 | 14 |
| Qol Medical, LLC | $154.50 | 7 |
What the 2025 payments were for
- Food and Beverage$2,560 · 172 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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