Riad Robert Hajjar, M.D.
NPI 1538153176ActiveIndividual· Internal Medicine· Port Huron, MI
Internal Medicine (M.D.) in Port Huron, Michigan, licensed in MI, with an NPI issued in September 2005. Their prescriptions cost Medicare Part D more than their services did: $1,611,405 for 19,992 claims, against $248,509 paid for services in 2024. Kerecis Limited was the largest of 14 companies reporting payments in 2025, $728.25 in all, mostly food and beverage. Lists Lake Huron Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1538153176 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Sep 9, 2005 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | RH066725 | 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 - Internal Medicine (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 336 |
|---|---|
| Services billed | 4,244 across 63 procedure codes |
| Paid by Medicare | $248,509 |
Part D prescriptions in 2024
| Prescriptions (claims) | 19,992 · 37,146 30-day fills |
|---|---|
| Patients | 748 |
| Total drug cost | $1,611,405 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Internal Medicine |
Hospital affiliations
- Lake Huron Medical CenterPort Huron, MI
- McLaren Port HuronPort Huron, MI
Other facilities
- Beacon Home CareHome health agency · Port Huron, MI
- Residential Home Health and HospiceHome health agency · Lapeer, MI
- Marwood Manor Nursing HomeNursing home · Port Huron, MI
Industry payments (Open Payments)
- 2025$728.25 · 24 payments from 14 companies
- 2024$780.42 · 32 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Kerecis Limited | $177.96 | 1 |
| Amgen Inc. | $124.74 | 1 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $87.84 | 4 |
| Gilead Sciences, Inc. | $67.08 | 4 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $57.04 | 3 |
What the 2025 payments were for
- Food and Beverage$728.25 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 19 internal medicine physicians in Port Huron · All internal medicine physicians in Michigan