John E. Blanzy, DO
NPI 1629017207ActiveIndividual· Family Medicine· Southgate, MI
Family Medicine (DO) with Oakwood Ambulatory LLC, practicing in Southgate, Michigan. Their prescriptions cost Medicare Part D more than their services did: $273,594 for 3,253 claims, against $7,635 paid for services in 2024. Novo Nordisk Inc was the largest of 6 companies reporting payments in 2025, $459.40 in all, mostly food and beverage. Lists Beaumont Hospital - Dearborn and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1629017207 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jun 6, 2006 |
| Last updated in NPPES | Oct 22, 2020 |
| Certified by provider | Oct 22, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 5101004825 | 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 | 51 |
|---|---|
| Services billed | 280 across 23 procedure codes |
| Paid by Medicare | $7,635 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,253 · 5,614 30-day fills |
|---|---|
| Patients | 143 |
| Total drug cost | $273,594 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1960 |
|---|---|
| Medicare specialty | Family Practice |
Medical group
- Oakwood Ambulatory LLCWestland, MI · 274 clinicians
Hospital affiliations
- Beaumont Hospital - DearbornDearborn, MI
- Beaumont Hospital - TaylorTaylor, MI
- Beaumont Hospital Royal OakRoyal Oak, MI
- Corewell Health Trenton HospitalTrenton, MI
Industry payments (Open Payments)
- 2025$459.40 · 12 payments from 6 companies
- 2024$803.32 · 12 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $125.88 | 4 |
| Phathom Pharmaceuticals, Inc. | $110.59 | 1 |
| Ani Pharmaceuticals, Inc. | $96.01 | 4 |
| Lilly USA, LLC | $95.76 | 1 |
| Amgen Inc. | $16.37 | 1 |
What the 2025 payments were for
- Food and Beverage$459.40 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 37 family medicine physicians in Southgate · All family medicine physicians in Michigan