Mazen Al Mushref, M.D.
NPI 1356781256ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Grosse Pointe Woods, MI
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) with Fd Farah Mi PLLC, practicing in Grosse Pointe Woods, Michigan. Their prescriptions cost Medicare Part D more than their services did: $429,947 for 996 claims, against $180,944 paid for services in 2024. Amgen Inc. was the largest of 11 companies reporting payments in 2025, $579.35 in all, mostly food and beverage. Lists Beaumont Hospital Royal Oak and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1356781256 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 25, 2013 |
| Last updated in NPPES | Nov 1, 2021 |
| Certified by provider | Nov 1, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 4301114419 | MI |
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 (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 618 |
|---|---|
| Services billed | 2,629 across 13 procedure codes |
| Paid by Medicare | $180,944 |
Part D prescriptions in 2024
| Prescriptions (claims) | 996 · 1,959 30-day fills |
|---|---|
| Patients | 230 |
| Total drug cost | $429,947 |
| Generic share | 37% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Endocrinology |
Medical group
- Fd Farah Mi PLLCRochester Hills, MI · 4 clinicians
Hospital affiliations
- Beaumont Hospital Royal OakRoyal Oak, MI
- Beaumont Hospital, TroyTroy, MI
- Henry Ford Health West Bloomfield HospitalW Bloomfield, MI
Industry payments (Open Payments)
- 2025$579.35 · 32 payments from 11 companies
- 2024$607.14 · 30 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $191.35 | 15 |
| Mannkind Corporation | $90.08 | 3 |
| Xeris Pharmaceuticals, Inc. | $84.47 | 4 |
| Azurity Pharmaceuticals, Inc. | $37.74 | 2 |
| Lilly USA, LLC | $36.92 | 2 |
What the 2025 payments were for
- Food and Beverage$536.85 · 31 payments
- Education$42.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records