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Mark H Hermanoff, MD

Allergy & Immunology (Internal Medicine) Physician in Summit, WI · enumerated 2007.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1447309786

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Registry record

Entity type Individual (Type 1)
Name Mark H Hermanoff
Credential MD
Sex Male
Practice address 36500 Aurora Dr, Summit, WI, 53066
Phone (262) 434-5000
Enumeration date Jan 9, 2007
Last updated in NPPES Apr 30, 2024

Taxonomy & licenses

207RA0201X Allergy & Immunology (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 40807 (WI) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
32516900 Medicaid WI -

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Mark Hermanoff?
The National Provider Identifier (NPI) for Mark Hermanoff is 1447309786, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Hermanoff practice?
The practice location on file with NPPES is in Summit, WI. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-04-30.