DR. JAMES PHILIP GARCES ESTEBAN M.D.
NPI 1619223708
Internal Medicine - Gastroenterology in Milwaukee, WI
About Dr. James Philip Garces Esteban M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES PHILIP GARCES ESTEBAN M.D. (NPI 1619223708) is an individual gastroenterology provider in Milwaukee, Wisconsin, licensed in Wisconsin (63625-20) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. James Philip Garces Esteban M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show James Philip Esteban reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
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 8
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53226 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.
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
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 James Philip Esteban's NPI number?
The NPI number for James Philip Esteban is 1619223708. It was assigned to this individual provider in the NPPES registry on July 26, 2012.
Where is James Philip Esteban located?
James Philip Esteban practices at 9200 W Wisconsin Ave Division Of Gastroenterology And Hepatology, Milwaukee, WI 53226. The listed phone number is (414) 805-0516.
What is James Philip Esteban's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is James Philip Esteban enrolled in Medicare?
Yes. James Philip Esteban is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for James Philip Esteban's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Philip Esteban reassigns Medicare benefits to The Medical College Of Wisconsin, Inc. (Milwaukee, WI). The 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 James Philip Esteban's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for James Philip Esteban was last updated on July 8, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.