Michael Christopher, M.D.
NPI 1477932796 · Dermatology Physician · Madison, WI
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Christopher, M.D. is a Dermatology Physician provider in Madison, WI (NPI 1477932796).
Provider details
- NPI number
- 1477932796
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 6158-851 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
10,072 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 3,957 | $6 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,386 | $89 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 1,179 | $46 |
| Biopsy of Related Skin Growth, First Growth11102 | 1,062 | $92 |
| Biopsy of Related Skin Growth, Each Additional Growth11103 | 1,020 | $49 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 233 | 128 |
| Fluorouracil | 198 | 193 |
| Triamcinolone Acetonide | 185 | 131 |
| Clobetasol Propionate | 104 | 61 |
| Valacyclovir Hclbrand: Valacyclovir | 46 | 18 |
| Amoxicillin | 41 | 38 |
| Mupirocin | 41 | 35 |
| Doxycycline Hyclate | 36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$889 across 41 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-05-19
- Last updated
- 2017-03-17
Frequently asked questions
- What is Michael Christopher's NPI number?
- Michael Christopher's National Provider Identifier (NPI) is 1477932796, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Christopher's specialty?
- Michael Christopher is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Christopher located?
- Michael Christopher's practice location on file with NPPES is Uw Hospitals and Clinics 600 Highland Ave, Madison, WI 53792-0001.
- What is Michael Christopher's phone number?
- The practice phone number listed in the NPPES registry for Michael Christopher is (608) 263-6400.
- Does Michael Christopher accept Medicare?
- Michael Christopher is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Christopher's NPI active?
- Yes — Michael Christopher's NPI (1477932796) is active in the NPPES registry as of the last update on 2017-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.