Nathaniel Rieb, M.D.
NPI 1508068834ActiveIndividual· Surgery· Billings, MT
Surgery (M.D.) in Billings, Montana, trained at University of Washington School of Medicine (class of 2005). In 2024 Medicare paid $35,478 for 155 patients, and Part D covered 190 of their prescriptions, 77% of them generic.
Overview
| NPI | 1508068834 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 31, 2007 |
| Last updated in NPPES | Dec 20, 2022 |
| Certified by provider | Dec 20, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 1345 | WY |
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); Practitioner - General Surgery (TX); Practitioner - General Surgery (WY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 155 |
|---|---|
| Services billed | 198 across 39 procedure codes |
| Paid by Medicare | $35,478 |
Part D prescriptions in 2024
| Prescriptions (claims) | 190 · 194 30-day fills |
|---|---|
| Patients | 181 |
| Total drug cost | $4,732 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | University of Washington School of Medicine |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | General Surgery |
Medical groups
- Billings Clinic Specialty Supplies and Services, LLCBillings, MT · 824 clinicians
- Stillwater Hospital Association IncColumbus, MT · 26 clinicians
Hospital affiliations
- Beartooth Billings ClinicRed Lodge, MT
- Billings Clinic HospitalBillings, MT
- Stillwater Billings ClinicColumbus, 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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