Michael B. Walsh, DO
Rheumatology Physician · Madison, WI
Michael B. Walsh, DO is a rheumatology physician with a practice address in Madison, Wisconsin, and NPI 1437110343, issued on Mar 30, 2006. Check the license (Wisconsin 37176, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Michael B. Walsh
- Credential
- DO
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 37176 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1 S Park St, Madison, WI 53715
- Phone
- (608) 287-2800
- Enumerated
- Mar 30, 2006
- Record last updated
- Dec 31, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (608) 287-2316
- Medicare enrollment
- Enrolled (PECOS I20100602000364); accepts Medicare assignment
- Medical or professional school
- Des Moines University Of Osteopathic Medicine And Health Sciences, 1986
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 154 in Wisconsin → Look up another NPI →
Also registered at 1 S Park St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rebecca Baron, P.T.Physical Therapist1417143801
- Kathleen Baus, MDDiagnostic Radiology Physician1063480291
Verify Michael B. Walsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 37176Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% more Medicare Part D claims than the average rheumatology physician in 2024
3,046 Medicare Part D claims for 426 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 29 claims were for opioids.
Most prescribed
- Prednisone699 claims
- Methotrexate428 claims
- Hydroxychloroquine Sulfate327 claims
- Leflunomide171 claims
- Enbrel Sureclick146 claims
- Celecoxib99 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
- University OF Wisconsin Medical Foundation IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael B. Walsh among 154 rheumatology physician records in Wisconsin
Michael B. Walsh, DO is one of 154 rheumatology physician records with a practice address in Wisconsin. 76% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 48% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1986 · median 2004 among the 97 with a school on file
- Record last updated2020 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Wisconsin
There are 154 rheumatology physician records in Wisconsin.
All 154 in Wisconsin → Every provider in Madison → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Carol Cox, MDMadison, WI 537151578507117
- Thomas Hirsch, MDMadison, WI 537151598708521
- John Juozevicius, MDMadison, WI 537151346201241
- Abdul Munem Kenj Halabi, MDMadison, WI 537151043658412
- Justin Levinson, M.D.Madison, WI 537151215322888
- James Porter, MDMadison, WI 537151992747133
- Jilaine Bolek Berquist, M.D.Madison, WI 537161346208766
- Jenna McGoldrick, M.D.Madison, WI 537161821415894
Common questions
What is Michael B. Walsh, DO's NPI number?
Michael B. Walsh, DO's National Provider Identifier (NPI) is 1437110343, issued on Mar 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael B. Walsh, DO located?
The NPPES record lists a practice address at 1 S Park St, Madison, WI, 53715. Phone: (608) 287-2800. Providers update this record themselves, so call before visiting.
How can I verify Michael B. Walsh, DO's license?
NPPES lists Wisconsin license number 37176, 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 B. Walsh, DO prescribe under Medicare Part D?
In 2024, Michael B. Walsh, DO had 3,046 Medicare Part D claims for 426 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.