Fan Zhang, M.D., PH.D.
NPI 1205210176ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Brooklyn, NY
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D., PH.D.) with Interfaith Professional Physician Services PC, practicing in Brooklyn, New York. Their prescriptions cost Medicare Part D more than their services did: $910,900 for 3,621 claims, against $15,191 paid for services in 2024. Amneal Pharmaceuticals LLC was the largest of 11 companies reporting payments in 2025, $1,861 in all, mostly education. Lists Brookdale Hospital Medical Center as a hospital affiliation.
Overview
| NPI | 1205210176 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PH.D. |
| Sole proprietor | No |
| NPI issued | Jul 10, 2015 |
| Last updated in NPPES | Dec 22, 2020 |
| Certified by provider | Dec 22, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 297329 | NY |
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 - Endocrinology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 84 |
|---|---|
| Services billed | 152 across 18 procedure codes |
| Paid by Medicare | $15,191 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,621 · 6,636 30-day fills |
|---|---|
| Patients | 377 |
| Total drug cost | $910,900 |
| Generic share | 42% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
Medical group
- Interfaith Professional Physician Services PCBrooklyn, NY · 384 clinicians
Hospital affiliation
- Brookdale Hospital Medical CenterBrooklyn, NY
Other facilities
- Pam Rehabilitation Hospital of Centennial HillsInpatient rehabilitation facility · Las Vegas, NV
Industry payments (Open Payments)
- 2025$1,861 · 26 payments from 11 companies
- 2024$309.71 · 8 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amneal Pharmaceuticals LLC | $1,308 | 5 |
| Amgen Inc. | $128.93 | 4 |
| Cequr Corporation | $89.14 | 6 |
| Alexion Pharmaceuticals, Inc. | $84.22 | 1 |
| Radius Health, Inc. | $50.56 | 1 |
What the 2025 payments were for
- Education$1,275 · 2 payments
- Food and Beverage$585.96 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 93 endocrinologists in Brooklyn · All endocrinologists in New York