Mark Andrew Hiesterman, D.O.
NPI 1699980367ActiveIndividual· Surgery· Glasgow, MT
Surgery (D.O.) with Frances Mahon Deaconess Hospital and 1 other group, practicing in Glasgow, Montana. Mostly services rather than prescriptions: Medicare paid $58,424 for 179 patients in 2024, with only 34 Part D claims. Lists Billings Clinic Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1699980367 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | May 14, 2007 |
| Last updated in NPPES | Aug 6, 2024 |
| Certified by provider | Aug 6, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 131349 | MT |
| Surgery | 208600000X | OP60226290 | WA |
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 (MP); Practitioner - General Surgery (MT); Practitioner - General Surgery (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 179 |
|---|---|
| Services billed | 626 across 35 procedure codes |
| Paid by Medicare | $58,424 |
Part D prescriptions in 2024
| Prescriptions (claims) | 34 · 35 30-day fills |
|---|---|
| Patients | 34 |
| Total drug cost | $569.15 |
| Generic share | 41% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | General Surgery |
Medical groups
- Frances Mahon Deaconess HospitalGlasgow, MT · 37 clinicians
- Pro Health One IncDenver, CO · 26 clinicians
Hospital affiliations
- Billings Clinic HospitalBillings, MT
- Frances Mahon Deaconess HospitalGlasgow, MT
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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