Mark W. Zilkoski, MD
NPI 1801909080ActiveIndividual· Family Medicine· Wolf Point, MT
Family Medicine (MD) in Wolf Point, Montana, trained at State University of Ny Upstate Medical University (class of 1977). Their prescriptions cost Medicare Part D more than their services did: $257,396 for 2,481 claims, against $11,685 paid for services in 2024.
Overview
| NPI | 1801909080 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 15, 2006 |
| Last updated in NPPES | Feb 11, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 4533 | MT |
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 (MT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 96 |
|---|---|
| Services billed | 190 across 32 procedure codes |
| Paid by Medicare | $11,685 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,481 · 4,390 30-day fills |
|---|---|
| Patients | 203 |
| Total drug cost | $257,396 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | State University of Ny Upstate Medical University |
|---|---|
| Graduation year | 1977 |
| Medicare specialty | Family Practice |
| Secondary specialties | Geriatric Medicine |
Medical group
- Wolf Point Clinic Association IncWolf Point, MT · 16 clinicians
Hospital affiliations
- Frances Mahon Deaconess HospitalGlasgow, MT
- Poplar Community HospitalPoplar, MT
- Trinity HospitalWolf Point, 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 physicians in Wolf Point
- 1912003997