Nathan H. Mustain, M.D.
Family Medicine Physician · Holmen, WI
Nathan H. Mustain, M.D. is a family medicine physician with a practice address in Holmen, Wisconsin, and NPI 1285078741, issued on Apr 26, 2013. Check the license (Wisconsin 65954-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Nathan H. Mustain
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 65954-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 500 N Holmen Dr, Holmen, WI 54636
- Phone
- (608) 399-3091
- Enumerated
- Apr 26, 2013
- Record last updated
- Sep 23, 2025
- Medicaid ID
- 1285078741 WI
- Medicare enrollment
- Enrolled (PECOS I20161004000532); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 2013
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 500 N Holmen Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samantha StevensFamily Nurse Practitioner1932906997
Verify Nathan H. Mustain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 65954-20Check 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
8,826 Medicare Part D claims for 453 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 367 claims were for opioids.
Most prescribed
- Atorvastatin Calcium519 claims
- Amlodipine Besylate286 claims
- Metoprolol Succinate235 claims
- Omeprazole231 claims
- Losartan Potassium216 claims
- Rosuvastatin Calcium205 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.
Bills Medicare through one group practice
- Gundersen Clinic LtdHolmen, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathan H. Mustain among 3,765 family medicine physician records in Wisconsin
Nathan H. Mustain, M.D. is one of 3,765 family medicine physician records with a practice address in Wisconsin. 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 2013, is newer than 71% of them.
- NPI issued2013 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2013 · median 2007 among the 2,347 with a school on file
- Record last updated2025 · 56% 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 Wisconsin 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 Holmen
They are 6 of the 172 NPPES records with a practice address in Holmen, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Holmen → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Martha Binn, MDHolmen, WI 546361306836812
- Jennifer Nordstrom, MDHolmen, WI 546361851381354
- Dennis Ohlrogge, MDHolmen, WI 546361073503108
- James Richardson, MDHolmen, WI 546361891785333
- Richard Rogge, M.D.Holmen, WI 546361386660488
- William Cooke, M.D.Hillsboro, WI 546341245221936
- Lerose Dhanoa, MDHillsboro, WI 546341922310333
- Katherine Edsall, MDHillsboro, WI 546341063091445
Common questions
What is Nathan H. Mustain, M.D.'s NPI number?
Nathan H. Mustain, M.D.'s National Provider Identifier (NPI) is 1285078741, issued on Apr 26, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Nathan H. Mustain, M.D. located?
The NPPES record lists a practice address at 500 N Holmen Dr, Holmen, WI, 54636. Phone: (608) 399-3091. Providers update this record themselves, so call before visiting.
How can I verify Nathan H. Mustain, M.D.'s license?
NPPES lists Wisconsin license number 65954-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nathan H. Mustain, M.D. prescribe under Medicare Part D?
In 2024, Nathan H. Mustain, M.D. had 8,826 Medicare Part D claims for 453 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.