DR. LESLIE M GIMENEZ MD
NPI 1194776971
Allergy & Immunology in Milwaukee, WI
About Dr. Leslie M Gimenez Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LESLIE M GIMENEZ MD (NPI 1194776971) is an individual allergy & immunology provider in Milwaukee, Wisconsin, licensed in Wisconsin (39048) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Childrens Hospital Of Wisconsin, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Leslie M Gimenez Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Leslie Gimenez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Childrens Specialty Group Inc
- 424 clinicians in this Medicare group
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Childrens Hospital Of Wisconsin
Childrens · Milwaukee, WIMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
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 Gimenez's NPI number?
The NPI number for Leslie Gimenez is 1194776971. It was assigned to this individual provider in the NPPES registry on May 15, 2006.
Where is Leslie Gimenez located?
Leslie Gimenez practices at 9000 W Wisconsin Ave Allergy And Immunology, Milwaukee, WI 53226. The listed phone number is (414) 266-6840.
What is Leslie Gimenez's specialty?
The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.
Is Leslie Gimenez enrolled in Medicare?
Yes. Leslie Gimenez is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Leslie Gimenez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leslie Gimenez reassigns Medicare benefits to 2 organizations: Children's Specialty Group, Inc. (Milwaukee, WI) and The Medical College Of Wisconsin, Inc. (Milwaukee, WI). Each 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 Gimenez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Leslie Gimenez accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and UnitedHealthcare list Leslie Gimenez as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Leslie Gimenez affiliated with any hospitals?
According to CMS data, Leslie Gimenez is affiliated with Childrens Hospital Of Wisconsin.
When was this NPI record last updated?
The NPPES record for Leslie Gimenez was last updated on March 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Leslie M Gimenez, MD · NPI 1194776971
Allergy & Immunology physician in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since May 15, 2006.
## Identity
- **NPI:** 1194776971 (Entity type: Individual)
- **Enumerated:** May 15, 2006
- **Primary specialty:** Allergy & Immunology · taxonomy 207K00000X
- **State license:** 39048 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 9000 W WISCONSIN AVE, ALLERGY AND IMMUNOLOGY, Milwaukee, WI 53226-4874
- **Phone:** (414) 266-6840 · **Fax:** (414) 266-6437
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Children's Specialty Group, Inc. (NPI 1942970405, Milwaukee, WI); The Medical College Of Wisconsin, Inc. (NPI 1699720086, Milwaukee, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Wisconsin, class of 1996
## Record status
- **NPPES last updated:** March 1, 2024
- **Other identifiers:** Other 004000215M; Medicaid 1194776971 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1194776971) · Data from the CMS NPPES public registry.