DR. JOHN PHILLIP MARQUART MD
NPI 1417453317
Surgery - Trauma Surgery in Milwaukee, WI
About Dr. John Phillip Marquart Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN PHILLIP MARQUART MD (NPI 1417453317) is an individual trauma surgery provider in Milwaukee, Wisconsin, licensed in Wisconsin (7231020) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. John Phillip Marquart Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
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
MILWAUKEE, WI 53226
WAUWATOSA, 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 John Marquart's NPI number?
The NPI number for John Marquart is 1417453317. It was assigned to this individual provider in the NPPES registry on April 1, 2018.
Where is John Marquart located?
John Marquart practices at 8701 W Watertown Plank Rd, Milwaukee, WI 53226. The listed phone number is (414) 955-1833.
What is John Marquart's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Trauma Surgery, with taxonomy code 2086S0127X.
Is John Marquart enrolled in Medicare?
Yes. John Marquart is registered in the Medicare PECOS enrollment system.
When was this NPI record last updated?
The NPPES record for John Marquart was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days 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.