WILLIAM EARL MARTENS MD
NPI 1790741494
Obstetrics & Gynecology - Gynecology in Brookfield, WI
About William Earl Martens Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM EARL MARTENS MD (NPI 1790741494) is an individual gynecology provider in Brookfield, Wisconsin, licensed in Wisconsin (14665020) and active in the NPI registry since April 2006.
NPPES Registry Identity
Specialties & Licenses
A physician who specializes in diagnosis, treatment, and management of patients with gynecologic conditions. Source: National Uniform Claim Committee
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.
BROOKFIELD, WI 53045
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 William Martens's NPI number?
The NPI number for William Martens is 1790741494. It was assigned to this individual provider in the NPPES registry on April 22, 2006.
Where is William Martens located?
William Martens practices at 19475 W North Ave Suite 400, Brookfield, WI 53045. The listed phone number is (262) 780-4000.
What is William Martens's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecology, with taxonomy code 207VG0400X.
When was this NPI record last updated?
The NPPES record for William Martens was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.
