Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Leslie M Hertz, MD

Q: What is the NPI number for Leslie Hertz?

The National Provider Identifier (NPI) for Leslie Hertz is 1164566972, a Type 1 (individual) record in the CMS NPPES registry.

Pediatrics Physician in Racine, WI · enumerated 2007.

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

National Provider Identifier

1164566972

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Registry record

Entity type Individual (Type 1)

Name Leslie M Hertz

Credential MD

Sex Female

Practice address 3807 Spring St, Racine, WI, 53405

Phone (262) 687-8282

Fax (262) 687-6737

Enumeration date Feb 16, 2007

Last updated in NPPES Aug 27, 2019

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 37663 (WI) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Leslie Hertz?

The National Provider Identifier (NPI) for Leslie Hertz is 1164566972, a Type 1 (individual) record in the CMS NPPES registry.

Where does Leslie Hertz practice?

The practice location on file with NPPES is in Racine, WI. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Eva Alessia Pediatrics Physician · Mount Pleasant, WI NPI 1871586859 Kimberly Granger Family Nurse Practitioner · Racine, WI NPI 1245227248 Sachin Panchal Internal Medicine Physician · Mount Pleasant, WI NPI 1114978699 Michelle Snyderman Pediatrics Physician · Racine, WI NPI 1821040684 Stephen Flox Pediatric Adolescent Medicine Physician · Racine, WI NPI 1346277670 Patricia Bolling Pediatric Nurse Practitioner · Racine, WI NPI 1972530269 Rudy Byron Family Medicine Physician · Racine, WI NPI 1376573386 Gregory Culen Hospitalist Physician · Racine, WI NPI 1912937947

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-08-27.