Robert Michael Williams, MD
NPI 1407878093ActiveIndividual· Orthopaedic Surgery· Chelsea, MI
Orthopaedic Surgery (MD) in Chelsea, Michigan, trained at University of Michigan Medical School (class of 1999). 373 Medicare patients in 2024, $187,019 paid; all of their 207 Part D prescriptions were generic. Actelion Pharmaceuticals US, Inc. reported $53.74 in payments in 2024, mostly food and beverage. A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.
Overview
| NPI | 1407878093 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 24, 2006 |
| Last updated in NPPES | Jun 19, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 4301074263 | MI |
Exclusion screening
Possible match: verify before acting. The OIG list has a record with the same name in Michigan, but that record carries no NPI, so it may be a different person or business.
| Matched by | Name on OIG list | Exclusion type | Excluded since | Location |
|---|---|---|---|---|
| Name + state | Robert Gary Williams · Nurse/Nurses Aide | 1128b4 | Dec 18, 2008 | Saginaw, MI |
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | Possible (name) | See above |
| 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) | Enrolled Practitioner - Orthopedic Surgery (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 373 |
|---|---|
| Services billed | 1,074 across 51 procedure codes |
| Paid by Medicare | $187,019 |
Part D prescriptions in 2024
| Prescriptions (claims) | 207 · 210 30-day fills |
|---|---|
| Patients | 128 |
| Total drug cost | $1,176 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Iha Health Services CorporationPontiac, MI · 1,168 clinicians
Hospital affiliations
- Chelsea HospitalChelsea, MI
- Henry Ford Allegiance HealthJackson, MI
- Trinity Health Ann Arbor HospitalAnn Arbor, MI
- Trinity Health Livingston HospitalHowell, MI
- University of Michigan Health SystemAnn Arbor, MI
Other facilities
- Elara CaringHome health agency · Jackson, MI
- Ohioans Home HealthcareHome health agency · Saline, MI
- Trinity Health at Home- Southeast MichiganHome health agency · Livonia, MI
Industry payments (Open Payments)
- 2024$53.74 · 2 payments from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Actelion Pharmaceuticals US, Inc. | $53.74 | 2 |
What the 2024 payments were for
- Food and Beverage$53.74 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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