Mark Robert Hancock, M.D.
NPI 1003954637ActiveIndividual· Internal Medicine, Hematology & Oncology· Bozeman, MT
Internal Medicine, Hematology & Oncology (M.D.) with Bozeman Health Deaconess Hospital and 2 other groups, practicing in Bozeman, Montana. Their prescriptions cost Medicare Part D more than their services did: $1,972,394 for 705 claims, against $47,876 paid for services in 2024. Caris Mpi, Inc. was the largest of 18 companies reporting payments in 2025, $986.83 in all, mostly food and beverage. Lists Bozeman Health Big Sky Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1003954637 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 3, 2007 |
| Last updated in NPPES | Oct 21, 2026 |
| Certified by provider | Oct 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 104112 | MT |
| Internal Medicine, Hematology & Oncology | 207RH0003X | H5450 | TX |
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 - Hematology/Oncology (MT); Practitioner - Hematology/Oncology (NE); Practitioner - Medical Oncology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 213 |
|---|---|
| Services billed | 689 across 19 procedure codes |
| Paid by Medicare | $47,876 |
Part D prescriptions in 2024
| Prescriptions (claims) | 705 · 777 30-day fills |
|---|---|
| Patients | 108 |
| Total drug cost | $1,972,394 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 1987 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical groups
- Bozeman Health Deaconess HospitalBozeman, MT · 320 clinicians
- Regional West Physicians ClinicScottsbluff, NE · 138 clinicians
- Bozeman Health Big Sky Medical Center LLCBig Sky, MT · 21 clinicians
Hospital affiliations
- Bozeman Health Big Sky Medical CenterBig Sky, MT
- Bozeman Health Deaconess HospitalBozeman, MT
- Livingston HealthcareLivingston, MT
- Madison Valley Medical CenterEnnis, MT
- Regional West Medical CenterScottsbluff, NE
Industry payments (Open Payments)
- 2025$986.83 · 33 payments from 18 companies
- 2024$1,430 · 69 payments from 25 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Caris Mpi, Inc. | $344.09 | 6 |
| Astrazeneca Pharmaceuticals LP | $95.38 | 5 |
| Janssen Scientific Affairs, LLC | $65.39 | 1 |
| Pfizer Inc. | $65.24 | 3 |
| Janssen Pharmaceuticals, Inc | $59.50 | 1 |
What the 2025 payments were for
- Food and Beverage$927.33 · 32 payments
- Education$59.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Hematology & Oncology providers in Montana →