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Dermatology

Thomas Keenan, MD

Works at hospitals in Madison, WI · Wisconsin

Summary

Thomas Keenan, MD (Dermatology) is listed by Medicare at 2 hospitals in Madison, WI. NPI 1285912402. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Thomas Keenan, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

DermatologyPrimary specialty
YesAccepts Medicare assignment
15Years since medical school (graduated 2011)
Mayo Medical SchoolMedical school
MaleGender (as listed)
University of Wisconsin Medical Foundation IncGroup practice

Quick answers

Which hospitals does Thomas Keenan work at?
Medicare's official clinician data lists Thomas Keenan at 2 hospitals: UnityPoint Health - Meriter and University of WI Hospitals & Clinics Authority. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Thomas Keenan see patients?
Medicare's clinician data lists 1 practice location in Madison, WI. Call before your visit to confirm the address.
What is Thomas Keenan's specialty?
Medicare lists Dermatology as the primary specialty.
Does Thomas Keenan accept Medicare assignment?
Yes. Medicare's clinician data says Thomas Keenan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Thomas Keenan?
(608) 287-2000, as listed in official Medicare / NPI Registry data.
What is Thomas Keenan's NPI number?
1285912402. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Thomas Keenan works

Medicare's Facility Affiliation Data lists Thomas Keenan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Thomas Keenan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Thomas Keenan as a member of this group (CMS data updated 2026-10-02).

  • University of Wisconsin Medical Foundation Inc2,553 clinicians in the group

Specialties

Find other Dermatology doctors in Wisconsin →

Other dermatologists in Madison

Clinicians with the same Medicare primary specialty in Madison, WI — not a recommendation.

All dermatologists in Madison →

Clinician information

CredentialMD
Medical schoolMayo Medical School
Graduation year2011
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1285912402
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians