Isaac Gorbaty, M.D.
NPI 1477562718ActiveIndividual· Internal Medicine, Nephrology· Tarzana, CA
Internal Medicine, Nephrology (M.D.) in Tarzana, California, trained at Albert Einstein College of Medicine of Yeshiva University (class of 1974). Their prescriptions cost Medicare Part D more than their services did: $662,198 for 6,575 claims, against $113,942 paid for services in 2024. Abbvie Inc. was the largest of 3 companies reporting payments in 2025, $73.18 in all, mostly food and beverage.
Overview
| NPI | 1477562718 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 5, 2006 |
| Last updated in NPPES | Mar 7, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | G33719 | CA |
| Internal Medicine, Geriatric Medicine | 207RG0300X | G33719 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 235 |
|---|---|
| Services billed | 7,498 across 64 procedure codes |
| Paid by Medicare | $113,942 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,575 · 13,025 30-day fills |
|---|---|
| Patients | 371 |
| Total drug cost | $662,198 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Albert Einstein College of Medicine of Yeshiva University |
|---|---|
| Graduation year | 1974 |
| Medicare specialty | Nephrology |
| Secondary specialties | Geriatric Medicine, Internal Medicine |
Hospital affiliations
- Northridge Hospital Medical CenterNorthridge, CA
- Providence Cedars Sinai Tarzana Medical CenterTarzana, CA
Industry payments (Open Payments)
- 2025$73.18 · 3 payments from 3 companies
- 2024$166.57 · 6 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $29.37 | 1 |
| Lundbeck LLC | $24.89 | 1 |
| Xeris Pharmaceuticals, Inc. | $18.92 | 1 |
What the 2025 payments were for
- Food and Beverage$73.18 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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