Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. EUGENE J. MCMAHON MD
NPI 1518945237
Pathology - Clinical Pathology/Laboratory Medicine in Wauwatosa, WI

Q: What is Eugene Mcmahon's NPI number?

The NPI number for Eugene Mcmahon is 1518945237. It was assigned to this individual provider in the NPPES registry on January 3, 2006.

Q: What is Eugene Mcmahon's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology/Laboratory Medicine, with taxonomy code 207ZP0105X.

Q: When was this NPI record last updated?

The NPPES record for Eugene Mcmahon was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 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.

Active since January 03, 2006

11020 W PLANK CT, SUITE 100, WAUWATOSA, WI 53226(414) 476-8122(414) 475-2975 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Eugene J. Mcmahon Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. EUGENE J. MCMAHON MD (NPI 1518945237) is an individual clinical pathology/laboratory medicine provider in Wauwatosa, Wisconsin, licensed in Wisconsin (35412) and active in the NPI registry since January 2006.

NPPES Registry Identity

NPI1518945237

Entity TypeIndividualMale

Primary Taxonomy207ZP0105X

Provider Legal NameDR. EUGENE J. MCMAHONCredential: MD

Location Address11020 W PLANK CT, SUITE 100Wauwatosa, WI 53226-3279

Mailing Address7111 Fairway Dr, Suite 400Palm Beach Gardens, FL 33418-4204 · (561) 712-7335 · Fax (561) 712-7349

Phone(414) 476-8122

Fax(414) 475-2975

Sole ProprietorNo

Enumeration DateJanuary 3, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1518945237 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Clinical Pathology/Laboratory MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0105X

License✔ Licensed in WI · 35412

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

11020 W PLANK CT, Wauwatosa, WI 53226

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Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ANNE M DAYER MD