Thomas A. Stoa, MD
Family Medicine Physician · Onalaska, WI
Thomas A. Stoa, MD is a family medicine physician with a practice address in Onalaska, Wisconsin, and NPI 1659361152, issued on Oct 26, 2005. Check the license (Wisconsin 37510, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Thomas A. Stoa
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 37510 WI
Self-reported in NPPES; status is on the state search - Practice location
- 191 Theater RD, Onalaska, WI 54650
- Phone
- (608) 392-5000
- Enumerated
- Oct 26, 2005
- Record last updated
- Aug 20, 2024
- Medicare enrollment
- Enrolled (PECOS I20101110000756); accepts Medicare assignment
- Medical or professional school
- Baylor College Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 191 Theater RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Althoff, MDFamily Medicine Physician1073545729
- Katie Beahm, PA-CPhysician Assistant1083049985
- Mark Beahm, M.D.Family Medicine Physician1689908360
- Savana Becker, DPTPhysical Therapist1457977886
- Craig Bennett, MDFamily Medicine Physician1073571444
- Susan Bock, APNPNurse Practitioner1861496689
Verify Thomas A. Stoa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 37510Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
34 Medicare Part D claims for 30 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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.
2 hospitals and group practices
- Winona Health ServicesWinona, MN · Acute Care Hospitals2 of 5 stars
- Mayo Clinic Health System-Southwest Wisconsin Region IncOnalaska, WI
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). Star ratings are CMS hospital ratings, not ratings of this provider.
Thomas A. Stoa among 3,765 family medicine physician records in Wisconsin
Thomas A. Stoa, MD 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
- Graduated1985 · median 2007 among the 2,347 with a school on file
- Record last updated2024 · 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).
47 family medicine physician records list a practice address in Onalaska
They are 47 of the 568 NPPES records with a practice address in Onalaska, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Onalaska → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kelley Bahr, MDOnalaska, WI 546501366441297
- Carmen Dargel, MDOnalaska, WI 546501194715698
- Joel Erickson, MDOnalaska, WI 546501225023997
- Nancy Erickson, MDOnalaska, WI 546501457341992
- Kevin Fitzgerald, MDOnalaska, WI 546501730179243
- Mark Jungck, MDOnalaska, WI 546501396735809
- Daniel Maccharles, MDOnalaska, WI 546501205839198
- Paul Molling, DOOnalaska, WI 546501487642674
Common questions
What is Thomas A. Stoa, MD's NPI number?
Thomas A. Stoa, MD's National Provider Identifier (NPI) is 1659361152, issued on Oct 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Thomas A. Stoa, MD located?
The NPPES record lists a practice address at 191 Theater RD, Onalaska, WI, 54650. Phone: (608) 392-5000. Providers update this record themselves, so call before visiting.
How can I verify Thomas A. Stoa, MD's license?
NPPES lists Wisconsin license number 37510, 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 Thomas A. Stoa, MD prescribe under Medicare Part D?
In 2024, Thomas A. Stoa, MD had 34 Medicare Part D claims for 30 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.