William Butz, M.D.
Family Medicine Physician · Red Oak, IA
William Butz, M.D. is a family medicine physician with a practice address in Red Oak, Iowa, and NPI 1649384868, issued on Aug 17, 2006. Check the license (Iowa 32883, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- William Butz
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 32883 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1400 Senate Ave Ste 108, Red Oak, IA 51566
- Phone
- (712) 623-7250
- Enumerated
- Aug 17, 2006
- Entity
- Type 1 · individual
Also registered at 1400 Senate Ave Ste 108
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brian Couse, MDEmergency Medicine Physician1013904812
- Daniela Donoso Pena, MDInternal Medicine Physician1265744916
- Kelsey Johnson, ARNPFamily Nurse Practitioner1992591002
- Lizabeth Johnson, APRNFamily Nurse Practitioner1720752991
- Edward Piller, MDInternal Medicine Physician1881750370
- Kevin Quinn, MDInternal Medicine Physician1871659367
Verify William Butz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 32883Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2.6 times the Medicare Part D claims of the average family medicine physician in 2024
9,032 Medicare Part D claims for 430 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 342 claims were for opioids.
Most prescribed
- Atorvastatin Calcium445 claims
- Losartan Potassium434 claims
- Levothyroxine Sodium394 claims
- Furosemide320 claims
- Metoprolol Succinate317 claims
- Amlodipine Besylate279 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
- Montgomery County Memorial HospitalRed Oak, IA · Critical Access Hospitals
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.
5 family medicine physician records list a Red Oak practice address
They are 5 of the 112 NPPES records with a Red Oak practice address, and 2,300 family medicine physician records in Iowa.
All 5 in Red Oak → All 2,300 in Iowa → Every provider in Red Oak →
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 William Butz, M.D.'s NPI number?
William Butz, M.D.'s National Provider Identifier (NPI) is 1649384868, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Butz, M.D. located?
The NPPES record lists a practice address at 1400 Senate Ave Ste 108, Red Oak, IA, 51566. Phone: (712) 623-7250. Providers update this record themselves, so call before visiting.
How can I verify William Butz, M.D.'s license?
NPPES lists Iowa license number 32883, 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 William Butz, M.D. prescribe under Medicare Part D?
In 2024, William Butz, M.D. had 9,032 Medicare Part D claims for 430 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.