Mark Schaaf, D.O.
NPI 1306932611ActiveIndividual· Family Medicine· Mount Morris, MI
Family Medicine (D.O.) in Mount Morris, Michigan, trained at Michigan State University College of Osteopathic Medicine (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $1,856,175 for 19,262 claims, against $42,575 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 17 companies reporting payments in 2025, $998.54 in all, mostly food and beverage.
Overview
| NPI | 1306932611 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Oct 5, 2006 |
| Last updated in NPPES | May 28, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | MS013800 | 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 | 152 |
|---|---|
| Services billed | 968 across 34 procedure codes |
| Paid by Medicare | $42,575 |
Part D prescriptions in 2024
| Prescriptions (claims) | 19,262 · 40,174 30-day fills |
|---|---|
| Patients | 827 |
| Total drug cost | $1,856,175 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical groups
- Henry Ford Medical Group GenesysBurton, MI · 97 clinicians
- Genesys Pho LLCBurton, MI · 9 clinicians
Hospital affiliations
- Ascension Genesys HospitalGrand Blanc, MI
- Henry Ford Health HospitalDetroit, MI
Other facilities
- Residential Home Health and HospiceHome health agency · Lapeer, MI
- The Care TeamHome health agency · Saginaw, MI
Industry payments (Open Payments)
- 2025$998.54 · 56 payments from 17 companies
- 2024$626.23 · 37 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $267.33 | 16 |
| Abbvie Inc. | $147.07 | 14 |
| Otsuka America Pharmaceutical, Inc. | $82.40 | 3 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $82.16 | 3 |
| Novo Nordisk Inc | $62.31 | 4 |
What the 2025 payments were for
- Food and Beverage$998.54 · 56 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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