Dr. Sidney Herszenson M.D.
About this NPIWhat this record shows.
NPI 1841264074 is registered to Dr. Sidney Herszenson M.D., a Dermatology practising at 2600 N Mayfair Rd, Suite 810 in Milwaukee, Wisconsin. Dermatology is a medical specialty focused on conditions affecting the skin, hair, and nails, including acne, eczema, psoriasis, skin cancer screenings, and cosmetic procedures. Dr. Sidney Herszenson M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Dr. Sidney Herszenson M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Sidney Herszenson M.D. directly at (414) 771-1122.
Frequently asked
Yes. NPI 1841264074 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Dermatology is a medical specialty focused on conditions affecting the skin, hair, and nails, including acne, eczema, psoriasis, skin cancer screenings, and cosmetic procedures.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (414) 771-1122.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Dr. Sidney Herszenson M.D. is a Type-1 individual NPI.