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
- Record last updated
- Apr 10, 2024
- Fax
- (712) 623-7257
- Medicaid IDs
- 1649384868 IA
47068731710 NE - Medicare enrollment
- Enrolled (PECOS I20040729001256); accepts Medicare assignment
- Medical or professional school
- University Of Nebraska College Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,336 in Iowa → Look up another NPI →
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, MDFamily 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
2.5 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 3,544 among the 117,163 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 affiliation
- Montgomery County Memorial HospitalRed Oak, IA · Critical Access Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
William Butz among 2,336 family medicine physician records in Iowa
William Butz, M.D. is one of 2,336 family medicine physician records with a practice address in Iowa. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 48% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1996 · median 2006 among the 1,367 with a school on file
- Record last updated2024 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 family medicine physician records list a practice address in Red Oak
They are 6 of the 112 NPPES records with a practice address in Red Oak, and 2,336 family medicine physician records in Iowa.
All 2,336 in Iowa → Every provider in Red Oak → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- William Artherholt, D.O.Red Oak, IA 515661205949302
- Brian Couse, MDRed Oak, IA 515661013904812
- Warren Hayes, M.D.Red Oak, IA 515661932215274
- Eva-Anne Kentner, ARNPRed Oak, IA 515661386425056
- Angela Kerchner, M.D.Red Oak, IA 515661821319955
- John Llamoso, MDOakland, IA 515601598442477
- Charles Pigneri, MDOakland, IA 515601588721401
- Robert Cunard, M.D.Missouri Valley, IA 515551972653962
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 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.