Nathan J. Timmer, MD
NPI 1972890911ActiveIndividual· Family Medicine· Mitchell, SD
Family Medicine (MD) with Avera Queen of Peace, practicing in Mitchell, South Dakota. Their prescriptions cost Medicare Part D more than their services did: $730,093 for 10,010 claims, against $7,239 paid for services in 2024. Amgen Inc. was the largest of 4 companies reporting payments in 2025, $101.60 in all, mostly food and beverage. Lists Avera Queen of Peace as a hospital affiliation.
Overview
| NPI | 1972890911 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 28, 2011 |
| Last updated in NPPES | Jul 8, 2025 |
| Certified by provider | Jul 8, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 9264 | SD |
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 - Family Practice (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 122 |
|---|---|
| Services billed | 271 across 28 procedure codes |
| Paid by Medicare | $7,239 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,010 · 17,890 30-day fills |
|---|---|
| Patients | 454 |
| Total drug cost | $730,093 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Family Practice |
Medical group
- Avera Queen of PeaceMitchell, SD · 122 clinicians
Hospital affiliation
- Avera Queen of PeaceMitchell, SD
Other facilities
- Avera @ HomeHome health agency · Mitchell, SD
- Avera @ HomeHospice · Mitchell, SD
- Avera Brady Health and RehabNursing home · Mitchell, SD
- Firesteel Healthcare CenterNursing home · Mitchell, SD
Industry payments (Open Payments)
- 2025$101.60 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $50.43 | 3 |
| Pfizer Inc. | $19.71 | 1 |
| Exact Sciences Corporation | $15.78 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $15.68 | 1 |
What the 2025 payments were for
- Food and Beverage$101.60 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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