Michael C. Stark, DO
Family Medicine Physician · Tomah, WI
Michael C. Stark, DO is a family medicine physician with a practice address in Tomah, Wisconsin, and NPI 1649260779, issued on Oct 28, 2005. Check the license (Wisconsin 22938, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Michael C. Stark
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 22938 WI
Self-reported in NPPES; status is on the state search - Practice location
- 325 Butts Ave, Tomah, WI 54660
- Phone
- (608) 372-5951
- Enumerated
- Oct 28, 2005
- Record last updated
- Sep 16, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (608) 372-3436
- Medicare enrollment
- Enrolled (PECOS I20100625000448); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 325 Butts Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Laura Betthauser, RNRegistered Nurse1326293390
- Jill Boulden, MDFamily Medicine Physician1508077520
- Thomas Boulden, ODOptometrist1427052182
- Lisa ClarkClinical Social Worker1194888222
- Heather Fortuine, PTPhysical Therapist1588002125
- Julie Goodhue, OTROccupational Therapist1043346091
Verify Michael C. Stark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 22938Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average family medicine physician in 2024
8,503 Medicare Part D claims for 506 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 288 claims were for opioids.
Most prescribed
- Atorvastatin Calcium458 claims
- Omeprazole272 claims
- Gabapentin240 claims
- Metoprolol Succinate238 claims
- Pantoprazole Sodium213 claims
- Lisinopril206 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
- Mayo Clinic Health System-Southwest Wisconsin Region IncPrairie Du Chien, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael C. Stark among 3,765 family medicine physician records in Wisconsin
Michael C. Stark, DO 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1979 · median 2007 among the 2,347 with a school on file
- Record last updated2020 · 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).
21 family medicine physician records list a practice address in Tomah
They are 21 of the 697 NPPES records with a practice address in Tomah, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Tomah → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- William Bateman, MDTomah, WI 546601427085828
- Jill Boulden, MDTomah, WI 546601508077520
- Julie Howard, MDTomah, WI 546601841499431
- Robert Hulburt, DOTomah, WI 546601790976520
- John Jackson, DOTomah, WI 546601992850036
- Ralph Knudson, MDTomah, WI 546601205832557
- Jill McMullen, MDTomah, WI 546601740285998
- Michael Saunders, MDTomah, WI 546601558351056
Common questions
What is Michael C. Stark, DO's NPI number?
Michael C. Stark, DO's National Provider Identifier (NPI) is 1649260779, issued on Oct 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Michael C. Stark, DO located?
The NPPES record lists a practice address at 325 Butts Ave, Tomah, WI, 54660. Phone: (608) 372-5951. Providers update this record themselves, so call before visiting.
How can I verify Michael C. Stark, DO's license?
NPPES lists Wisconsin license number 22938, 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 Michael C. Stark, DO prescribe under Medicare Part D?
In 2024, Michael C. Stark, DO had 8,503 Medicare Part D claims for 506 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.