DR. LAUREN M TRAN D.O.
NPI 1174889034
Obstetrics & Gynecology in West Allis, WI
About Dr. Lauren M Tran D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LAUREN M TRAN D.O. (NPI 1174889034) is an individual obstetrics & gynecology provider in West Allis, Wisconsin, licensed in Wisconsin (65802 - 21) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
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)
Dr. Lauren M Tran D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Lauren Tran reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Allis, WI 53227
- Reassigned Medicare billing, Wisconsin enrollment
- 4,609 clinicians in this Medicare group
Saint Francis, WI 53235
- Reassigned Medicare billing, Wisconsin enrollment
- 960 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 53227 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.
WEST ALLIS, WI 53227
WEST ALLIS, WI 53227
WEST ALLIS, WI 53227
WEST ALLIS, WI 53227
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 Lauren Tran's NPI number?
The NPI number for Lauren Tran is 1174889034. It was assigned to this individual provider in the NPPES registry on April 4, 2012. The provider is also known as Dr. Lauren Marie Madonna D.O..
Where is Lauren Tran located?
Lauren Tran practices at 8901 W Lincoln Ave, West Allis, WI 53227. The listed phone number is (414) 328-6000.
What is Lauren Tran's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Lauren Tran enrolled in Medicare?
Yes. Lauren Tran is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Lauren Tran's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Tran reassigns Medicare benefits to 2 organizations: Aurora Medical Group, Inc. (West Allis, WI) and Lakeshore Medical Clinic, LLC (Saint Francis, 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 Lauren Tran's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lauren Tran accept?
Health plans from Aspirus Health Plan and CareSource (Common Ground Healthcare) list Lauren Tran 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 Lauren Tran was last updated on July 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.