Calvin J. Hansen, MD
NPI 1639157373ActiveIndividual· Psychiatry & Neurology, Neurology· Des Moines, IA
Psychiatry & Neurology, Neurology (MD) in Des Moines, Iowa, trained at University of Nebraska College of Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $293,487 for 342 claims, against $4,382 paid for services in 2024. Tg Therapeutics, Inc. was the largest of 4 companies reporting payments in 2025, $70.61 in all, mostly food and beverage.
Overview
| NPI | 1639157373 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 4, 2006 |
| Last updated in NPPES | Feb 27, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | MD-29958 | IA |
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 (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 50 |
|---|---|
| Services billed | 88 across 13 procedure codes |
| Paid by Medicare | $4,382 |
Part D prescriptions in 2024
| Prescriptions (claims) | 342 · 460 30-day fills |
|---|---|
| Patients | 29 |
| Total drug cost | $293,487 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | University of Nebraska College of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Neurology |
Medical group
- Central Iowa Hospital CorporationDes Moines, IA · 239 clinicians
Hospital affiliation
- Unitypoint Health - Des Moines Iowa Methodist MediDes Moines, IA
Industry payments (Open Payments)
- 2025$70.61 · 4 payments from 4 companies
- 2024$134.64 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tg Therapeutics, Inc. | $21.53 | 1 |
| Biogen, Inc. | $20.62 | 1 |
| Genentech USA, Inc. | $14.55 | 1 |
| Novartis Pharmaceuticals Corporation | $13.91 | 1 |
What the 2025 payments were for
- Food and Beverage$70.61 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Psychiatry & Neurology, Neurology providers in Des Moines
- 1063545390
- 1003096405
- 1639283294
- 1194382119
- 1912011859
- 1588613251
- 1346448875
- 1699723221
- 1427203116
- 1689055790
- 1134233794
- 1518977412