Michael Joseph Zehnpfennig, M.D.
NPI 1669683884ActiveIndividual· Surgery· Missoula, MT
Surgery (M.D.) in Missoula, Montana, trained at Wayne State University School of Medicine (class of 2006). 239 Medicare patients in 2024, $112,516 paid; nearly all of their 276 Part D prescriptions were generic (92%). Intuitive Surgical, Inc. reported $94.50 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1669683884 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 28, 2007 |
| Last updated in NPPES | Apr 14, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 4301088339 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - General Surgery (MT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 239 |
|---|---|
| Services billed | 683 across 80 procedure codes |
| Paid by Medicare | $112,516 |
Part D prescriptions in 2024
| Prescriptions (claims) | 276 · 284 30-day fills |
|---|---|
| Patients | 93 |
| Total drug cost | $8,346 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | General Surgery |
| Telehealth | Offers telehealth |
Medical groups
- Bozeman Health Deaconess HospitalBozeman, MT · 320 clinicians
- Rchp Billings - Missoula LLCMissoula, MT · 69 clinicians
Hospital affiliations
- Bitterroot Health - Daly HospitalHamilton, MT
- Bozeman Health Deaconess HospitalBozeman, MT
- Community Medical CenterMissoula, MT
Industry payments (Open Payments)
- 2025$94.50 · 1 payment from 1 company
- 2024$43.32 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $94.50 | 1 |
What the 2025 payments were for
- Food and Beverage$94.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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