STEPHANIE S HANDLER MD
NPI 1962660290
Pediatrics - Pediatric Cardiology in Milwaukee, WI
About Stephanie S Handler Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHANIE S HANDLER MD (NPI 1962660290) is an individual pediatric cardiology provider in Milwaukee, Wisconsin, licensed in Wisconsin (63875) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Locations 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Stephanie S Handler Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Stephanie Handler reassigns Medicare billing to 3 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
Wausau, WI 54401
- Reassigned Medicare billing, Wisconsin enrollment
- 2,832 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.
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 Stephanie Handler's NPI number?
The NPI number for Stephanie Handler is 1962660290. It was assigned to this individual provider in the NPPES registry on May 22, 2008. The provider is also known as Stephanie Leigh Siehr MD.
Where is Stephanie Handler located?
Stephanie Handler practices at 9000 W Wisconsin Ave, Milwaukee, WI 53226. The listed phone number is (414) 955-6777.
What is Stephanie Handler's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.
Is Stephanie Handler enrolled in Medicare?
Yes. Stephanie Handler is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Stephanie Handler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Handler reassigns Medicare benefits to 3 organizations: Children's Specialty Group, Inc. (Milwaukee, WI), The Medical College Of Wisconsin, Inc. (Milwaukee, WI) and University Of Wisconsin Medical Foundation, Inc (Wausau, 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 Stephanie Handler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephanie Handler accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Network Health and 2 other insurers list Stephanie Handler 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.
When was this NPI record last updated?
The NPPES record for Stephanie Handler was last updated on September 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.
# Stephanie S Handler, MD · NPI 1962660290
Pediatric Cardiology physician in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since May 22, 2008.
## Identity
- **NPI:** 1962660290 (Entity type: Individual)
- **Enumerated:** May 22, 2008
- **Primary specialty:** Pediatrics - Pediatric Cardiology · taxonomy 2080P0202X
- **State license:** 63875 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 9000 W WISCONSIN AVE, Milwaukee, WI 53226-4874
- **Phone:** (414) 955-6777 · **Fax:** (414) 955-6203
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 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); University Of Wisconsin Medical Foundation, Inc (NPI 1033433495, Wausau, WI) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 9, 2025
- **Other identifiers:** Medicaid 1962660290 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1962660290) · Data from the CMS NPPES public registry.