Brad Willenbring, D.O.
Family Medicine Physician · Grimes, IA
Brad Willenbring, D.O. is a family medicine physician with a practice address in Grimes, Iowa, and NPI 1124464185, issued on May 17, 2013. Check the license (Iowa 05623, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Brad Willenbring
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 05623 IA
Self-reported in NPPES; status is on the state search - Practice location
- 825 NE Gateway Dr Ste 148, Grimes, IA 50111
- Phone
- (515) 875-9607
- Enumerated
- May 17, 2013
- Entity
- Type 1 · individual
Also registered at 825 NE Gateway Dr Ste 148
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shauna Baker, M.D.Pediatrics Physician1134119241
- Mirnes Kadic, DOFamily Medicine Physician1700345766
- Tiffany Ketcham, DOFamily Medicine Physician1699786962
- Paul Otteson, P.A.-CPhysician Assistant1982030987
Verify Brad Willenbring in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 05623Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
15% fewer Medicare Part D claims than the average family medicine physician in 2024
2,985 Medicare Part D claims for 270 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 110 claims were for opioids.
Most prescribed
- Atorvastatin Calcium224 claims
- Lisinopril135 claims
- Omeprazole105 claims
- Losartan Potassium100 claims
- Simvastatin96 claims
- Metformin Hcl94 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
One hospital or facility affiliation
- The Iowa Clinic PCGrimes, IA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
9 family medicine physician records list a Grimes practice address
They are 9 of the 111 NPPES records with a Grimes practice address, and 2,300 family medicine physician records in Iowa.
All 9 in Grimes → All 2,300 in Iowa → Every provider in Grimes →
Other family medicine physician records in Iowa
- Jennifer Aanestad, M.D.Durant, IA1386649341
- Amjad Abdelhady, MDSioux City, IA1033966700
- Afsana Abdullah, D.O.Bettendorf, IA1760583066
- Raja Ali Abdullah, MDCedar Falls, IA1356101000
- Laura Abels, DOAnkeny, IA1427313527
- Matthew AbendrothDes Moines, IA1972918894
- Mabra Abernathy, M.D.Coralville, IA1316922545
- Jennifer Abler, D.O.Altoona, IA1528159068
- Michael Abouassaly, M.D.West Burlington, IA1184790909
- Nesrin Abu Ata, M.D.Sioux City, IA1528297660
Common questions
What is Brad Willenbring, D.O.'s NPI number?
Brad Willenbring, D.O.'s National Provider Identifier (NPI) is 1124464185, issued on May 17, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Brad Willenbring, D.O. located?
The NPPES record lists a practice address at 825 NE Gateway Dr Ste 148, Grimes, IA, 50111. Phone: (515) 875-9607. Providers update this record themselves, so call before visiting.
How can I verify Brad Willenbring, D.O.'s license?
NPPES lists Iowa license number 05623, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Brad Willenbring, D.O. prescribe under Medicare Part D?
In 2024, Brad Willenbring, D.O. had 2,985 Medicare Part D claims for 270 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.