Gerald Grodstein, MD
NPI 1245211440ActiveIndividual· Internal Medicine, Nephrology· Englewood, NJ
Internal Medicine, Nephrology (MD) in Englewood, New Jersey, trained at State University of New York Downstate Medical Center (class of 1974). Their prescriptions cost Medicare Part D more than their services did: $695,024 for 3,259 claims, against $155,718 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 13 companies reporting payments in 2025, $1,518 in all, mostly food and beverage.
Overview
| NPI | 1245211440 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 7, 2005 |
| Last updated in NPPES | Nov 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 25MA03799200 | 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 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 - Nephrology (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 434 |
|---|---|
| Services billed | 3,881 across 44 procedure codes |
| Paid by Medicare | $155,718 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,259 · 7,810 30-day fills |
|---|---|
| Patients | 338 |
| Total drug cost | $695,024 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | State University of New York Downstate Medical Center |
|---|---|
| Graduation year | 1974 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Medical Associates of Englewood PCEnglewood, NJ · 540 clinicians
Hospital affiliation
- Englewood Hospital and Medical CenterEnglewood, NJ
Other facilities
- Fkc TenaflyDialysis facility · Tenafly, NJ
- Fmc EnglewoodDialysis facility · Englewood, NJ
- Fmc FairviewDialysis facility · Fairview, NJ
- Visiting Nurse Association of Englewood, IncHome health agency · Englewood, NJ
Industry payments (Open Payments)
- 2025$1,518 · 65 payments from 13 companies
- 2024$1,330 · 67 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $212.01 | 5 |
| Ardelyx, Inc. | $187.20 | 4 |
| Amgen Inc. | $173.25 | 10 |
| Travere Therapeutics, Inc. | $160.36 | 9 |
| Fresenius USA Marketing, Inc. | $153.28 | 8 |
What the 2025 payments were for
- Food and Beverage$1,406 · 64 payments
- Travel and Lodging$111.39 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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