Mark S. Kreisberg, MD
NPI 1467453324ActiveIndividual· Hospitalist· Helena, MT
Hospitalist (MD) in Helena, Montana, trained at University of South Alabama College of Medicine (class of 1997). 250 Medicare patients in 2024, $66,572 paid; nearly all of their 241 Part D prescriptions were generic (91%).
Overview
| NPI | 1467453324 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 2, 2005 |
| Last updated in NPPES | Jul 13, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 9555 | MT |
| Internal Medicine | 207R00000X | 9555 | 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 - Internal Medicine (MT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 250 |
|---|---|
| Services billed | 858 across 12 procedure codes |
| Paid by Medicare | $66,572 |
Part D prescriptions in 2024
| Prescriptions (claims) | 241 · 252 30-day fills |
|---|---|
| Patients | 105 |
| Total drug cost | $8,916 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | University of South Alabama College of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Internal Medicine |
Medical group
- St Peters HealthHelena, MT · 199 clinicians
Hospital affiliation
- St Peters HealthHelena, 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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