LESLIE M HERTZ MD
NPI 1164566972
Pediatrics in Racine, WI
About Leslie M Hertz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LESLIE M HERTZ MD (NPI 1164566972) is an individual pediatrics provider in Racine, Wisconsin, licensed in Wisconsin (37663) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Leslie M Hertz Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Leslie Hertz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Milwaukee, WI 53211
- Reassigned Medicare billing, Wisconsin enrollment
- 1,343 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53405 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MOUNT PLEASANT, WI 53405
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Leslie Hertz's NPI number?
The NPI number for Leslie Hertz is 1164566972. It was assigned to this individual provider in the NPPES registry on February 16, 2007. The provider is also known as Leslie M Fox MD.
Where is Leslie Hertz located?
Leslie Hertz practices at 3807 Spring St, Racine, WI 53405. The listed phone number is (262) 687-8282.
What is Leslie Hertz's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Leslie Hertz enrolled in Medicare?
Yes. Leslie Hertz is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Leslie Hertz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leslie Hertz reassigns Medicare benefits to Ascension Medical Group-Southeast Wisconsin Inc (Milwaukee, WI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Leslie Hertz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Leslie Hertz was last updated on August 27, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.