Theresa Marie Dierker, DO
NPI 1992324545ActiveIndividual· Family Medicine· Commerce Township, MI
Family Medicine (DO) in Commerce Township, Michigan, trained at Michigan State University College of Osteopathic Medicine (class of 2020). Their prescriptions cost Medicare Part D more than their services did: $93,074 for 955 claims, against $16,255 paid for services in 2024.
Overview
| NPI | 1992324545 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 14, 2020 |
| Last updated in NPPES | Oct 26, 2026 |
| Certified by provider | Oct 26, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 5101027062 | 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 | 46 |
|---|---|
| Services billed | 217 across 34 procedure codes |
| Paid by Medicare | $16,255 |
Part D prescriptions in 2024
| Prescriptions (claims) | 955 · 1,861 30-day fills |
|---|---|
| Patients | 137 |
| Total drug cost | $93,074 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Oakwood Ambulatory LLCWestland, MI · 274 clinicians
Hospital affiliations
- Beaumont Hospital - Grosse PointeGrosse Pointe, MI
- Beaumont Hospital Royal OakRoyal Oak, MI
- Beaumont Hospital, TroyTroy, MI
Other facilities
- Beaumont Home HealthHome health agency · Troy, 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 22 family medicine physicians in Commerce Township · All family medicine physicians in Michigan