Katalin A. Frisch, M.D.
Opted out of Medicare from September 2024 to September 2028. Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Englewood, New Jersey, licensed in NJ, with an NPI issued in May 2008. Their prescriptions cost Medicare Part D more than their services did: $1,568,661 for 3,214 claims, against $29,307 paid for services in 2024. Amgen Inc. was the largest of 8 companies reporting payments in 2025, $361.89 in all, mostly food and beverage.
Overview
| NPI | 1578739983 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 6, 2008 |
| Last updated in NPPES | Oct 2, 2023 |
| Certified by provider | Oct 2, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 25MA08960300 | NJ |
| Internal Medicine | 207R00000X | 25MA08960300 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Sep 12, 2024 – Sep 12, 2028 |
| Can order and refer | Yes |
| Accepts assignment | Yes (participating) |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Medicare services in 2024
| Medicare patients | 264 |
|---|---|
| Services billed | 530 across 14 procedure codes |
| Paid by Medicare | $29,307 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,214 · 7,509 30-day fills |
|---|---|
| Patients | 379 |
| Total drug cost | $1,568,661 |
| Generic share | 45% of claims |
Industry payments (Open Payments)
- 2025$361.89 · 14 payments from 8 companies
- 2024$729.31 · 45 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $174.34 | 3 |
| Kvk-Tech, Inc. | $45.33 | 2 |
| Sanofi-Aventis U.S. LLC | $30.94 | 2 |
| Abbvie Inc. | $29.83 | 2 |
| Novo Nordisk Inc | $28.95 | 2 |
What the 2025 payments were for
- Food and Beverage$361.89 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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