Individual Healthcare Provider
Peter J Katz, MD
Provider's NPPES record last updated: August 14, 2026
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1477725141
- Primary Specialty
- Dermatology
- Practice Location
- Appleton, Wisconsin
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 20, 2026, 9:26 PM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Dermatology
Allopathic & Osteopathic Physicians
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
Taxonomy code 207N00000X
Provider-Reported License Information
- Dermatology (Wisconsin)
- 53184-20
Practice Locations
Practice Location
3935 N Lightning Dr
Appleton, Wisconsin 54913-6717
Phone: (920) 968-1790
Additional Practice Location
2700 Crooks Ave Ste 101
Kaukauna, Wisconsin 54130-3900
Phone: (920) 581-5561
Fax: (920) 785-5511
Additional Practice Location
111 Wisconsin American Dr
Fond Du Lac, Wisconsin 54937-6725
Phone: (920) 923-0788
Fax: (920) 273-0085
Additional Practice Location
2351 State Road 44
Oshkosh, Wisconsin 54904-6333
Phone: (920) 651-8855
Fax: (920) 385-0287
Additional Practice Location
2806 Riverview Dr
Green Bay, Wisconsin 54313-6717
Phone: (920) 498-7546
Fax: (920) 569-4129
Additional Practice Location
1620 N Shawano St Ste C
New London, Wisconsin 54961-9318
Phone: (920) 982-3870
Fax: (920) 982-3697
Additional Practice Location
W7713 Johnson Ct
Wautoma, Wisconsin 54982-5274
Phone: (920) 895-1004
Fax: (920) 895-1005
Additional Practice Location
1400 Scheuring Rd
De Pere, Wisconsin 54115-1067
Phone: (920) 964-0229
Fax: (920) 964-0248
Record Information
- Enumeration Date
- April 2, 2008
- Provider's NPPES Record Last Updated
- August 14, 2026
- Certification Date
- August 14, 2026
- NPISignal NPPES Dataset
- August 2026
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