Michelle Mascarinas Manalac, MD
NPI 1053413856ActiveIndividual· Internal Medicine, Geriatric Medicine· Grand Rapids, MI
Internal Medicine, Geriatric Medicine (MD) with Spectrum Health Primary Care Partners, practicing in Grand Rapids, Michigan. Their prescriptions cost Medicare Part D more than their services did: $126,905 for 1,757 claims, against $32,090 paid for services in 2024. Lists Spectrum Health as a hospital affiliation.
Overview
| NPI | 1053413856 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 2, 2006 |
| Last updated in NPPES | Aug 4, 2026 |
| Certified by provider | Aug 4, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | 4301077123 | 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 - Internal Medicine (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 122 |
|---|---|
| Services billed | 387 across 30 procedure codes |
| Paid by Medicare | $32,090 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,757 · 3,953 30-day fills |
|---|---|
| Patients | 251 |
| Total drug cost | $126,905 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1992 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Geriatric Medicine |
Medical group
- Spectrum Health Primary Care PartnersGrand Rapids, MI · 2,294 clinicians
Hospital affiliation
- Spectrum HealthGrand Rapids, 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 16 geriatricians in Grand Rapids · All geriatricians in Michigan