Michael B. Colgan, MD
MOHS-Micrographic Surgery Physician · Eau Claire, WI
Michael B. Colgan, MD is a mohs-micrographic surgery physician with a practice address in Eau Claire, Wisconsin, and NPI 1447428321, issued on Feb 13, 2008. Check the license (Wisconsin 57581, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Michael B. Colgan
- Credential
- MD
- Primary taxonomy
- MOHS-Micrographic Surgery Physician 207ND0101X
- License numbers
- 57581 WI
2578 CO
103829 MN
51083 MN
Self-reported in NPPES; status is on the state search - Practice location
- 1221 Whipple St, Eau Claire, WI 54703
- Phone
- (715) 838-5222
- Enumerated
- Feb 13, 2008
- Record last updated
- Oct 6, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120907000391); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 2007
- Entity
- Type 1 · individual
8 nearest mohs-micrographic surgery physician records → All 17 in Wisconsin → Look up another NPI →
Also registered at 1221 Whipple St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Justine Abel, DOEmergency Medicine Physician1861830507
- Andera Anderson, RPHPharmacist1598213761
- Andrea Anderson, CRNACertified Registered Nurse Anesthetist1033101894
- Charlene Anderson, APNPNurse Practitioner1194057752
- Gwen Anderson, CRNACertified Registered Nurse Anesthetist1316103369
- Hailee Anderson, CRNACertified Registered Nurse Anesthetist1598453425
Verify Michael B. Colgan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 57581Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average mohs-micrographic surgery physician in 2024
187 Medicare Part D claims for 128 beneficiaries, against an average of 570 among the 1,396 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 18 claims were for opioids.
Most prescribed
- Cephalexin57 claims
- Doxycycline Monohydrate39 claims
- Acetaminophen-Codeine14 claims
- Gentamicin Sulfate12 claims
- Ketoconazole12 claims
- Clobetasol Propionate11 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.
Industry payments in 2024: $99.99
1 payment: education; the largest payer was Sun Pharmaceutical Industries Inc. The 1,074 providers of this specialty with any payment received $4,075.23 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Mayo ClinicRochester, MN
- Mayo Clinic Health System-Northwest Wisconsin Region IncEau Claire, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael B. Colgan among 17 mohs-micrographic surgery physician records in Wisconsin
Michael B. Colgan, MD is one of 17 mohs-micrographic surgery physician records with a practice address in Wisconsin. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 47% of them.
- NPI issued2008 · 47% of these records are older, 41% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2007 · median 2007 among the 12 with a school on file
- Record last updated2020 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ND0101X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
MOHS-Micrographic Surgery Physician providers in Wisconsin
There are 17 mohs-micrographic surgery physician records in Wisconsin.
All 17 in Wisconsin → Every provider in Eau Claire → MOHS-Micrographic Surgery Physician nationwide →
The 8 mohs-micrographic surgery physician records with the nearest ZIP codes
- Peter Lee, MD, PHDEau Claire, WI 547011750462198
- John KohorstOnalaska, WI 546501588044366
- Douglas Horan, MDMenasha, WI 549521063406965
- Dylan Haynes, MDMarshfield, WI 544491437773892
- Kevan Lewis, MDGreen Bay, WI 543111497970560
- Kenneth Katz, M.D.Manitowoc, WI 542201134162019
- David Bertler, M.D.De Pere, WI 541151083657555
- Nanette Liegeois, M.D.PH.D.Saint Croix Falls, WI 540241154362937
Common questions
What is Michael B. Colgan, MD's NPI number?
Michael B. Colgan, MD's National Provider Identifier (NPI) is 1447428321, issued on Feb 13, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Michael B. Colgan, MD located?
The NPPES record lists a practice address at 1221 Whipple St, Eau Claire, WI, 54703. Phone: (715) 838-5222. Providers update this record themselves, so call before visiting.
How can I verify Michael B. Colgan, MD's license?
NPPES lists Wisconsin license number 57581, 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. Colgan, MD prescribe under Medicare Part D?
In 2024, Michael B. Colgan, MD had 187 Medicare Part D claims for 128 beneficiaries; the average among mohs-micrographic surgery physician prescribers was 570. 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.