William G. Muller, MD
Family Medicine Physician · Bemidji, MN
William G. Muller, MD is a family medicine physician with a practice address in Bemidji, Minnesota, and NPI 1942228531, issued on Jul 18, 2006. Check the license (Minnesota 36372, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- William G. Muller
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 36372 MN
Self-reported in NPPES; status is on the state search - Practice location
- 1233 34TH St NW, Bemidji, MN 56601
- Phone
- (218) 333-5180
- Enumerated
- Jul 18, 2006
- Record last updated
- Mar 29, 2022
- Fax
- (218) 333-5360
- Medicaid ID
- 873327900 MN
- Medicare enrollment
- Enrolled (PECOS I20070919000772); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 1992
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,985 in Minnesota → Look up another NPI →
Also registered at 1233 34TH St NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William G. Muller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 36372Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.4 times the Medicare Part D claims of the average family medicine physician in 2024
19,261 Medicare Part D claims for 1,212 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 355 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,284 claims
- Losartan Potassium1,144 claims
- Amlodipine Besylate804 claims
- Lisinopril737 claims
- Omeprazole729 claims
- Levothyroxine Sodium616 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 82.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Sanford Health OF Northern MinnesotaBemidji, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William G. Muller among 3,985 family medicine physician records in Minnesota
William G. Muller, MD is one of 3,985 family medicine physician records with a practice address in Minnesota. 74% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 42% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1992 · median 2006 among the 2,483 with a school on file
- Record last updated2022 · 63% 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 Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
29 family medicine physician records list a practice address in Bemidji
They are 29 of the 917 NPPES records with a practice address in Bemidji, and 3,985 family medicine physician records in Minnesota.
All 3,985 in Minnesota → Every provider in Bemidji → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Bonnie Bailey, M.D.Bemidji, MN 566011831137660
- Winston Craig Benson, MDBemidji, MN 566011295753937
- Mark Carlson, M.D.Bemidji, MN 566011619904794
- Grant Christopher, MDBemidji, MN 566011659398659
- Valerie Fox, MDBemidji, MN 566011790752905
- Howard Hoody, MDBemidji, MN 566011295752152
- Suzanne Human, MDBemidji, MN 566011326080649
- Brian Livermore, M.D.Bemidji, MN 566011013956234
Common questions
What is William G. Muller, MD's NPI number?
William G. Muller, MD's National Provider Identifier (NPI) is 1942228531, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William G. Muller, MD located?
The NPPES record lists a practice address at 1233 34TH St NW, Bemidji, MN, 56601. Phone: (218) 333-5180. Providers update this record themselves, so call before visiting.
How can I verify William G. Muller, MD's license?
NPPES lists Minnesota license number 36372, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William G. Muller, MD prescribe under Medicare Part D?
In 2024, William G. Muller, MD had 19,261 Medicare Part D claims for 1,212 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is William G. Muller, MD's MIPS final score?
The 2023 MIPS final score is 82.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.