Jeffrey R. Williamson, DO
NPI 1881641165ActiveIndividual· Family Medicine· Rockford, MI
Family Medicine (DO) in Rockford, Michigan, trained at Midwestern University, Chicago College of Osteopathic Med (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $447,961 for 5,584 claims, against $21,474 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 15 companies reporting payments in 2025, $593.80 in all, mostly food and beverage.
Overview
| NPI | 1881641165 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | May 30, 2006 |
| Last updated in NPPES | Jan 27, 2020 |
| Certified by provider | Jan 27, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | JW011762 | 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 - Family Practice (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 97 |
|---|---|
| Services billed | 276 across 38 procedure codes |
| Paid by Medicare | $21,474 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,584 · 12,090 30-day fills |
|---|---|
| Patients | 683 |
| Total drug cost | $447,961 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Midwestern University, Chicago College of Osteopathic Med |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical groups
- Center for Physical Rehabilitation and Therapy LPGrand Rapids, MI · 369 clinicians
- Center for Physical Rehabilitation IncGrand Rapids, MI · 357 clinicians
- Jeffrey R Williamson DO PCRockford, MI · 2 clinicians
Hospital affiliations
- Corewell Health Big Rapids HospitalBig Rapids, MI
- Spectrum HealthGrand Rapids, MI
- Spectrum Health United HospitalGreenville, MI
Other facilities
- Corewell Health Visiting Nurse AssociationHome health agency · Grand Rapids, MI
- Mary Free Bed at Home, LLCHome health agency · Grand Rapids, MI
- Gentiva IHospice · Grand Rapids, MI
- Gentiva IIHospice · Portage, MI
Industry payments (Open Payments)
- 2025$593.80 · 31 payments from 15 companies
- 2024$668.13 · 34 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $78.36 | 4 |
| Pfizer Inc. | $71.06 | 4 |
| Abbvie Inc. | $65.89 | 3 |
| Astrazeneca Pharmaceuticals LP | $64.95 | 4 |
| Lilly USA, LLC | $48.60 | 3 |
What the 2025 payments were for
- Food and Beverage$593.80 · 31 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 29 family medicine physicians in Rockford · All family medicine physicians in Michigan