Ellen B. Williams, MD
NPI 1811417520ActiveIndividual· Family Medicine· Canton, MI
Family Medicine (MD) in Canton, Michigan, trained at University of Michigan Medical School (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $592,492 for 6,695 claims, against $29,658 paid for services in 2024.
Overview
| NPI | 1811417520 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 23, 2017 |
| Last updated in NPPES | Jul 21, 2022 |
| Certified by provider | Aug 6, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 4301502437 | MI |
| Student in an Organized Health Care Education/Training Program | 390200000X | 4301112584 | 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 | 163 |
|---|---|
| Services billed | 578 across 42 procedure codes |
| Paid by Medicare | $29,658 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,695 · 15,219 30-day fills |
|---|---|
| Patients | 488 |
| Total drug cost | $592,492 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical groups
- Iha Health Services CorporationPontiac, MI · 1,168 clinicians
- Dearborn Physical Therapy LtdDearborn, MI · 94 clinicians
Hospital affiliations
- St Joe Mercy Hospital System LivoniaLivonia, MI
- Trinity Health Ann Arbor HospitalAnn Arbor, MI
- Trinity Health Oakland HospitalPontiac, MI
Other facilities
- Trinity Health at Home- Southeast MichiganHome health agency · Livonia, MI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 78 family medicine physicians in Canton · All family medicine physicians in Michigan