John S. Demare, DO
NPI 1427031756ActiveIndividual· Family Medicine· Sterling Heights, MI
Family Medicine (DO) in Sterling Heights, Michigan, trained at Michigan State University College of Osteopathic Medicine (class of 1978). 98 Medicare patients in 2024, $39,232 paid; nearly all of their 1,700 Part D prescriptions were generic (97%). Novo Nordisk Inc was the largest of 10 companies reporting payments in 2025, $362.43 in all, mostly food and beverage.
Overview
| NPI | 1427031756 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Nov 21, 2005 |
| Last updated in NPPES | Jun 29, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 5101007346 | 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 | 98 |
|---|---|
| Services billed | 1,060 across 50 procedure codes |
| Paid by Medicare | $39,232 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,700 · 4,363 30-day fills |
|---|---|
| Patients | 164 |
| Total drug cost | $58,668 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 1978 |
| Medicare specialty | Family Practice |
Medical group
- John S Demare DO PCSterling Heights, MI · 5 clinicians
Hospital affiliations
- Beaumont Hospital - Farmington HillsFarmington Hills, MI
- Beaumont Hospital - Grosse PointeGrosse Pointe, MI
- Beaumont Hospital Royal OakRoyal Oak, MI
- Beaumont Hospital, TroyTroy, MI
Industry payments (Open Payments)
- 2025$362.43 · 21 payments from 10 companies
- 2024$324.93 · 19 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $86.41 | 5 |
| Amgen Inc. | $82.32 | 5 |
| Exact Sciences Corporation | $43.86 | 2 |
| Alk-Abello, Inc | $34.99 | 2 |
| Lilly USA, LLC | $31.60 | 2 |
What the 2025 payments were for
- Food and Beverage$362.43 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other family medicine physicians in Sterling Heights
- 1013009901
- 1023079225
- 1023497211
- 1033109749
- 1043426695
- 1053578542
- 1063683886
- 1104981695
- 1114230133
- 1114961885
- 1164657805
- 1184601510
All 178 family medicine physicians in Sterling Heights · All family medicine physicians in Michigan