Peter Katz, MD
NPI 1477725141 · Dermatology Physician · Appleton, WI
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Katz, MD is a Dermatology Physician provider in Appleton, WI (NPI 1477725141).
Provider details
- NPI number
- 1477725141
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 53184-20 (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
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
7 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,411 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 | 642 | $7 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 449 | $90 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 279 | $54 |
| Therapy Procedure Using Ultraviolet Radiation With Tar Or Petroleum Jelly Application96910 | 221 | $118 |
| Biopsy of Related Skin Growth, First Growth11102 | 140 | $92 |
| Intermediate Repair of Wound of Scalp, Underarms, Trunk, Arms, Or Legs, 2.6-7.5 Cm12032 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 137 | 80 |
| Clobetasol Propionate | 133 | 82 |
| Triamcinolone Acetonide | 127 | 81 |
| Fluorouracil | 74 | 64 |
| Methotrexate Sodiumbrand: Methotrexate | 63 | 18 |
| Doxycycline Monohydrate | 56 | 25 |
| Hydroxychloroquine Sulfate | 56 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$478 across 20 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
Additional practice locations (6)
- 111 Wisconsin American DrFond Du Lac, WI 54937-6725Phone: (920) 923-0788Fax: (920) 273-0085
- 2806 Riverview DrGreen Bay, WI 54313-6717Phone: (920) 498-7546Fax: (920) 569-4129
- 2700 Crooks Ave Ste 101Kaukauna, WI 54130-3900Phone: (920) 581-5561Fax: (920) 785-5511
- 1620 N Shawano St Ste CNew London, WI 54961-9318Phone: (920) 982-3870Fax: (920) 982-3697
- 2351 State Road 44Oshkosh, WI 54904-6333Phone: (920) 651-8855Fax: (920) 385-0287
- W7713 Johnson CtWautoma, WI 54982-5274Phone: (920) 895-1004Fax: (920) 895-1005
Registry dates
- Enumerated
- 2008-04-02
- Last updated
- 2023-10-30
- Certified
- 2023-10-30
Frequently asked questions
- What is Peter Katz's NPI number?
- Peter Katz's National Provider Identifier (NPI) is 1477725141, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Katz's specialty?
- Peter Katz is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Katz located?
- Peter Katz's practice location on file with NPPES is 3935 N Lightning Dr, Appleton, WI 54913-6717.
- What is Peter Katz's phone number?
- The practice phone number listed in the NPPES registry for Peter Katz is (920) 968-1790.
- Does Peter Katz accept Medicare?
- Peter Katz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Katz's NPI active?
- Yes — Peter Katz's NPI (1477725141) is active in the NPPES registry as of the last update on 2023-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.