Thomas Keenan, M.D.
NPI 1285912402 · Dermatology Physician · Madison, WI
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Keenan, M.D. is a Dermatology Physician provider in Madison, WI (NPI 1285912402).
Provider details
- NPI number
- 1285912402
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 61274 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,270 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 889 | $6 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 446 | $85 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 271 | $53 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 140 | $119 |
| Biopsy of Related Skin Growth, First Growth11102 | 115 | $86 |
| Destruction of Skin Growth, 1-14 Growths |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 80 | 42 |
| Triamcinolone Acetonide | 78 | 51 |
| Finasteride | 67 | 18 |
| Clobetasol Propionate | 64 | 39 |
| Clindamycin Phosphate | 38 | 20 |
| Secukinumabbrand: Cosentyx Sensoready (2 Pens) | 33 | — |
| Mometasone Furoate | 33 | 17 |
| Adalimumab |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-07-22
- Last updated
- 2021-01-14
- Certified
- 2021-01-14
Frequently asked questions
- What is Thomas Keenan's NPI number?
- Thomas Keenan's National Provider Identifier (NPI) is 1285912402, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Keenan's specialty?
- Thomas Keenan is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Keenan located?
- Thomas Keenan's practice location on file with NPPES is 1 S Park St, 7th Floor, Madison, WI 53715-0001.
- What is Thomas Keenan's phone number?
- The practice phone number listed in the NPPES registry for Thomas Keenan is (608) 287-2620.
- Does Thomas Keenan accept Medicare?
- Thomas Keenan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Keenan's NPI active?
- Yes — Thomas Keenan's NPI (1285912402) is active in the NPPES registry as of the last update on 2021-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.