Tanya L. Diegel, DO
NPI 1780629311ActiveIndividual· Family Medicine· Valley City, ND
Family Medicine (DO) in Valley City, North Dakota, trained at Des Moines University of Osteopathic Medicine and Health Sciences (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $523,616 for 6,879 claims, against $114,629 paid for services in 2024. Merck Sharp & Dohme LLC reported $21.19 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1780629311 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jun 18, 2006 |
| Last updated in NPPES | Mar 7, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 7955 | ND |
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 (ND) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 404 |
|---|---|
| Services billed | 7,867 across 113 procedure codes |
| Paid by Medicare | $114,629 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,879 · 11,069 30-day fills |
|---|---|
| Patients | 267 |
| Total drug cost | $523,616 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Des Moines University of Osteopathic Medicine and Health Sciences |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Family Practice |
Medical group
- Innovis Health LLCFargo, ND · 559 clinicians
Hospital affiliations
- Chi Mercy HealthValley City, ND
- Essentia HealthFargo, ND
- Essentia Health DuluthDuluth, MN
- Jamestown Regional Medical CenterJamestown, ND
Other facilities
- Chi Health at Home - HhaHome health agency · Valley City, ND
- City County Health DistrictHome health agency · Valley City, ND
- Hia HospiceHospice · Fargo, ND
- Smp Health - St RaphaelNursing home · Valley City, ND
Industry payments (Open Payments)
- 2025$21.19 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $21.19 | 1 |
What the 2025 payments were for
- Food and Beverage$21.19 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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