Ralph Timothy Dunnigan, M.D.
NPI 1932151586ActiveIndividual· Psychiatry & Neurology, Neurology· Bismarck, ND
Psychiatry & Neurology, Neurology (M.D.) in Bismarck, North Dakota, trained at University of North Dakota School of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $1,089,897 for 5,035 claims, against $82,479 paid for services in 2024.
Overview
| NPI | 1932151586 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 16, 2006 |
| Last updated in NPPES | Jun 14, 2023 |
| Certified by provider | Jun 14, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 6681 | 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 - Neurology (ND) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 448 |
|---|---|
| Services billed | 5,265 across 42 procedure codes |
| Paid by Medicare | $82,479 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,035 · 7,688 30-day fills |
|---|---|
| Patients | 516 |
| Total drug cost | $1,089,897 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of North Dakota School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Hospital affiliations
- Chi St Alexius HealthBismarck, ND
- Chi St Alexius Health DickinsonDickinson, ND
- Essentia HealthFargo, ND
- Sanford Medical Center BismarckBismarck, ND
Other facilities
- St Gabriel's CommunityNursing home · Bismarck, ND
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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All Psychiatry & Neurology, Neurology providers in North Dakota →