William Joseph Brosnahan, M.D.
NPI 1104803873ActiveIndividual· Anesthesiology· West Des Moines, IA
Anesthesiology (M.D.) in West Des Moines, Iowa, trained at University of Iowa, Rj & L Carver College of Medicine (class of 1991). Medicare paid $23,499 for services to 133 patients in 2024. Merck Sharp & Dohme LLC reported $24.61 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1104803873 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 23, 2005 |
| Last updated in NPPES | May 19, 2020 |
| Certified by provider | May 19, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 28850 | 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 - Anesthesiology (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 133 |
|---|---|
| Services billed | 156 across 47 procedure codes |
| Paid by Medicare | $23,499 |
Education and affiliations
| Medical school | University of Iowa, Rj & L Carver College of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Anesthesiology |
Medical group
- Associated Anesthesiologists PCDes Moines, IA · 65 clinicians
Hospital affiliation
- Unitypoint Health - Des Moines Iowa Methodist MediDes Moines, IA
Industry payments (Open Payments)
- 2025$24.61 · 1 payment from 1 company
- 2024$24.26 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $24.61 | 1 |
What the 2025 payments were for
- Food and Beverage$24.61 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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