Doctor profile · Federal record

Dr. William Brosnahan, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · West des Moines, IA

  • NPI 1104803873
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4200 University Ave, Suite 300
West des Moines, IA 502665945
(515) 401-1950
fax (515) 401-1955

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
May 19, 2020
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Iowa #28850
Medicaid
IA #0122655

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104803873. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
27
Distinct HCPCS
2
Medicare allowed
$7,459
HCPCS Description Services Patients Avg allowed
00790 Anesthesia for other procedure on upper abdomen 14 14 $271
01214 Anesthesia for total hip replacement 13 13 $282

In context: peer comparison

Among 6 peers in West des Moines Anesthesiology Physician, average services per provider: 46. This provider delivers 0.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$24
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 1 $24.26

By nature of payment

Food and Beverage
$24

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Brosnahan's medical specialty?
Dr. William Brosnahan practices Anesthesiology Physician in West des Moines, IA.
Where does Dr. William Brosnahan practice?
Dr. William Brosnahan practices at 4200 University Ave, West des Moines, IA 502665945. Office phone: 5154011950.
What is Dr. William Brosnahan's NPI?
Dr. William Brosnahan's National Provider Identifier (NPI) is 1104803873, issued by NPPES.
Does Dr. William Brosnahan accept Medicare assignment?
Yes. Dr. William Brosnahan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Brosnahan commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on upper abdomen (HCPCS 00790); Anesthesia for total hip replacement (HCPCS 01214). Source: CMS Medicare Physician & Other Practitioners file.