Maren J. Dunn, DO
NPI 1376538512ActiveIndividual· Family Medicine· Big Sky, MT
Family Medicine (DO) in Big Sky, Montana, trained at Kansas City University of Physicians and Surgeons (class of 2005). 260 Medicare patients in 2024, $64,263 paid; nearly all of their 1,929 Part D prescriptions were generic (92%).
Overview
| NPI | 1376538512 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Sep 14, 2005 |
| Last updated in NPPES | Jul 9, 2025 |
| Certified by provider | Jul 9, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 11561 | MT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (MT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 260 |
|---|---|
| Services billed | 1,164 across 44 procedure codes |
| Paid by Medicare | $64,263 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,929 · 4,008 30-day fills |
|---|---|
| Patients | 210 |
| Total drug cost | $88,670 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Kansas City University of Physicians and Surgeons |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical groups
- Billings Clinic Specialty Supplies and Services, LLCBillings, MT · 824 clinicians
- Bozeman Health Big Sky Medical Center LLCBig Sky, MT · 21 clinicians
Hospital affiliations
- Billings Clinic HospitalBillings, MT
- Bozeman Health Big Sky Medical CenterBig Sky, MT
- Bozeman Health Deaconess HospitalBozeman, MT
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Family Medicine providers in Big Sky
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