Erminda Mercurio Marinas, M.D.
NPI 1952571135ActiveIndividual· Family Medicine· Okemos, MI
Family Medicine (M.D.) in Okemos, Michigan, licensed in MI, with an NPI issued in March 2008. Their prescriptions cost Medicare Part D more than their services did: $236,042 for 2,168 claims, against $13,562 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 9 companies reporting payments in 2025, $603.27 in all, mostly food and beverage. Lists Edward W Sparrow Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1952571135 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 4, 2008 |
| Last updated in NPPES | Mar 4, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 4301082124 | 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 | 52 |
|---|---|
| Services billed | 269 across 25 procedure codes |
| Paid by Medicare | $13,562 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,168 · 5,044 30-day fills |
|---|---|
| Patients | 212 |
| Total drug cost | $236,042 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 1987 |
|---|---|
| Medicare specialty | Family Practice |
Hospital affiliations
- Edward W Sparrow HospitalLansing, MI
- University of Michigan Health- Sparrow ClintonSaint Johns, MI
Industry payments (Open Payments)
- 2025$603.27 · 29 payments from 9 companies
- 2024$528.89 · 23 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $152.35 | 11 |
| Exact Sciences Corporation | $149.00 | 3 |
| Novo Nordisk Inc | $110.19 | 4 |
| Amgen Inc. | $49.37 | 3 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $44.22 | 2 |
What the 2025 payments were for
- Food and Beverage$603.27 · 29 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 51 family medicine physicians in Okemos · All family medicine physicians in Michigan