GREG N WOMACK MD
NPI 1598708646
Urology in Waukesha, WI
About Greg N Womack Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREG N WOMACK MD (NPI 1598708646) is an individual urology provider in Waukesha, Wisconsin, licensed in Wisconsin (44588) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Waukesha Memorial Hospital, and is a graduate of University Of Kansas School Of Med (kc/wich/sal) (1996).
NPPES Registry Identity
Specialties & Licenses
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
Greg N Womack 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 Greg Womack reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Waukesha, WI 53188
- Reassigned Medicare billing, Wisconsin enrollment
- 17 clinicians in this Medicare group
Watertown, WI 53098
- Reassigned Medicare billing, Wisconsin enrollment
- 215 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 18
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Waukesha Memorial Hospital
Acute Care Hospitals · Waukesha, WIOconomowoc Memorial Hospital
Acute Care Hospitals · Oconomowoc, WIWatertown Memorial Hospital
Acute Care Hospitals · Watertown, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53188 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WAUKESHA, WI 53188
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 Greg Womack's NPI number?
The NPI number for Greg Womack is 1598708646. It was assigned to this individual provider in the NPPES registry on June 14, 2006.
Where is Greg Womack located?
Greg Womack practices at 1111 Delafield St Ste 207 Urology Associates Ltd Sc, Waukesha, WI 53188. The listed phone number is (262) 446-3593.
What is Greg Womack's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is Greg Womack enrolled in Medicare?
Yes. Greg Womack 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 Greg Womack's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Greg Womack reassigns Medicare benefits to 2 organizations: Urology Associates Ltd Sc (Waukesha, WI) and Watertown Physician Practices LLC (Watertown, 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 Greg Womack's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Greg Womack accept?
Health plans from Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), Dean Health Plan, Group Health Cooperative-SCW and MercyCare and 5 other insurers list Greg Womack 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 Greg Womack affiliated with any hospitals?
According to CMS data, Greg Womack is affiliated with Waukesha Memorial Hospital, Oconomowoc Memorial Hospital and Watertown Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Greg Womack was last updated on January 15, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.