KATHLEEN E HOROWITZ MD
NPI 1205866993
Obstetrics & Gynecology in Menomonee Falls, WI
About Kathleen E Horowitz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHLEEN E HOROWITZ MD (NPI 1205866993) is an individual obstetrics & gynecology provider in Menomonee Falls, Wisconsin, licensed in Wisconsin (43737) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (2000).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 4
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
Kathleen E Horowitz 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
3Medicare enrollment records show Kathleen Horowitz reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mesa, AZ 85202
- Reassigned Medicare billing, Arizona enrollment
- 43 clinicians in this Medicare group
Phoenix, AZ 85008
- Reassigned Medicare billing, Arizona enrollment
- 166 clinicians in this Medicare group
Phoenix, AZ 85012
- Reassigned Medicare billing, Arizona enrollment
- 553 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 53051 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.
MENOMONEE FALLS, WI 53051
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 Kathleen Horowitz's NPI number?
The NPI number for Kathleen Horowitz is 1205866993. It was assigned to this individual provider in the NPPES registry on July 5, 2006. The provider is also known as Kathleen E. Szwalek M.D..
Where is Kathleen Horowitz located?
Kathleen Horowitz practices at N84w16889 Menomonee Ave, Menomonee Falls, WI 53051. The listed phone number is (262) 251-7500.
What is Kathleen Horowitz's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Kathleen Horowitz enrolled in Medicare?
Yes. Kathleen Horowitz 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 Kathleen Horowitz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathleen Horowitz reassigns Medicare benefits to 3 organizations: Obstetrix Medical Group Of Phoenix PC (Mesa, AZ), Mountain Park Health Center (Phoenix, AZ) and Banner - University Physician Specialists LLC (Phoenix, AZ). 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 Kathleen Horowitz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kathleen Horowitz accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc and Oscar Health Plan, Inc. and 1 other insurer list Kathleen Horowitz 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 Kathleen Horowitz was last updated on January 19, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Kathleen E Horowitz, MD · NPI 1205866993
Obstetrics & Gynecology physician in Menomonee Falls, Wisconsin. Individual provider, active in the CMS NPPES registry since July 5, 2006.
## Identity
- **NPI:** 1205866993 (Entity type: Individual)
- **Enumerated:** July 5, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 43737 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** N84W16889 MENOMONEE AVE, Menomonee Falls, WI 53051-2810
- **Phone:** (262) 251-7500 · **Fax:** (262) 251-7128
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Obstetrix Medical Group Of Phoenix PC (NPI 1407957152, Mesa, AZ); Mountain Park Health Center (NPI 1912661323, Phoenix, AZ); Banner - University Physician Specialists LLC (NPI 1417312760, Phoenix, AZ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, class of 2000
## Record status
- **NPPES last updated:** January 19, 2011
- **Other identifiers:** Medicare PIN 01994-0160 (WI); Medicaid 34467600 (WI); Medicare PIN 46236-0160 (WI); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1205866993) · Data from the CMS NPPES public registry.