Heidi Marie Grabemeyer-Layman, M.D.
NPI 1679771562ActiveIndividual· Obstetrics & Gynecology· Saint Joseph, MI
Obstetrics & Gynecology (M.D.) in Saint Joseph, Michigan, trained at Michigan State University College of Human Medicine (class of 2007). In 2024 Medicare paid $26,909 for 131 patients, and Part D covered 339 of their prescriptions, 86% of them generic. Astellas Pharma US Inc was the largest of 9 companies reporting payments in 2025, $393.01 in all, mostly food and beverage.
Overview
| NPI | 1679771562 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 3, 2007 |
| Last updated in NPPES | Sep 16, 2025 |
| Certified by provider | Sep 16, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 4301090703 | 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 - Obstetrics/Gynecology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 131 |
|---|---|
| Services billed | 412 across 43 procedure codes |
| Paid by Medicare | $26,909 |
Part D prescriptions in 2024
| Prescriptions (claims) | 339 · 640 30-day fills |
|---|---|
| Patients | 133 |
| Total drug cost | $32,342 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Michigan State University College of Human Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- South Shore Women's Health Care PCSaint Joseph, MI · 5 clinicians
Hospital affiliations
- Corewell Health Watervliet HospitalWatervliet, MI
- Lakeland Hospital, St JosephSt Joseph, MI
Industry payments (Open Payments)
- 2025$393.01 · 14 payments from 9 companies
- 2024$173.90 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $174.69 | 6 |
| Minerva Surgical, Inc | $64.71 | 1 |
| Mayne Pharma Commercial LLC | $27.30 | 1 |
| Hologic Sales and Service, LLC | $25.00 | 1 |
| Pacira Pharmaceuticals Incorporated | $23.77 | 1 |
What the 2025 payments were for
- Food and Beverage$302.96 · 13 payments
- Education$90.05 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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