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

COLUMBIA ST. MARY'S HOSPITAL MILWAUKEE INC
NPI 1225071491
Clinic/Center - Multi-Specialty in Milwaukee, WI

Active since June 14, 2006
2323 N LAKE DR, MILWAUKEE, WI 53211(414) 585-1000 Get Directions Write a Review

NPPES record last updated: July 9, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 9, 2026, Dec 31, 2024, Nov 19, 2021 and 3 more (6 updates tracked since 2018).

About Columbia St. Mary's Hospital Milwaukee Inc NPPES

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

COLUMBIA ST. MARY'S HOSPITAL MILWAUKEE INC (NPI 1225071491), doing business as Ascension Columbia St Mary's Hospital Milwaukee, is a healthcare organization registered as a multi-specialty in Milwaukee, Wisconsin and active in the NPI registry since June 2006. The organization lists Susan Dwyer, Cfo, as its authorized official.

NPPES Registry Identity

NPI1225071491
Entity TypeOrganization
Primary Taxonomy261QM1300X
Legal Business NameCOLUMBIA ST. MARY'S HOSPITAL MILWAUKEE INC
Location Address2323 N LAKE DRMilwaukee, WI 53211-4508
Mailing AddressPo Box 773380Chicago, IL 60677-3380 · (414) 585-1000
Organization SubpartNo
Authorized OfficialSusan DwyerCfo · (414) 465-3093
Enumeration DateJune 14, 2006
Last NPPES UpdateJuly 9, 20266 updates tracked since enumeration
NPPES CertifiedJuly 9, 2026
NPI 1225071491 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyClinic/Center · Multi-SpecialtyAmbulatory Health Care Facilities
Taxonomy Code261QM1300X
2323 N LAKE DR, Milwaukee, WI 53211

Other Names 1

Doing Business AsAscension Columbia St Mary's Hospital Milwaukee

Other Identifiers 2

Medicaid21258000WI
Medicaid21280300WI

Accepted Insurance

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.

Emergency Medicine
2323 N LAKE DR
MILWAUKEE, WI 53211
Physical Therapist
2323 N LAKE DR
MILWAUKEE, WI 53211
Pharmacist
2323 N LAKE DR
MILWAUKEE, WI 53211
Pharmacist (Critical Care)
2323 N LAKE DR
MILWAUKEE, WI 53211
Pain Medicine (Interventional Pain Medicine)
2323 N LAKE DR
MILWAUKEE, WI 53211
Dietitian, Registered
2323 N LAKE DR
MILWAUKEE, WI 53211
Psychiatry & Neurology (Psychiatry)
2323 N LAKE DR, 1ST FLOOR
MILWAUKEE, WI 53211
Occupational Therapist
2323 N LAKE DR
MILWAUKEE, WI 53211

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 Columbia St. Mary's Hospital Milwaukee Inc's NPI number?

The NPI number for Columbia St. Mary's Hospital Milwaukee Inc is 1225071491. It was assigned to this organization in the NPPES registry on June 14, 2006. The provider is doing business as Ascension Columbia St Mary's Hospital Milwaukee.

Where is Columbia St. Mary's Hospital Milwaukee Inc located?

Columbia St. Mary's Hospital Milwaukee Inc is located at 2323 N Lake Dr, Milwaukee, WI 53211. The listed phone number is (414) 585-1000.

What is Columbia St. Mary's Hospital Milwaukee Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Multi-Specialty, with taxonomy code 261QM1300X.

What insurance does Columbia St. Mary's Hospital Milwaukee Inc accept?

Health plans from Anthem Blue Cross and Blue Shield list Columbia St. Mary's Hospital Milwaukee Inc 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 Columbia St. Mary's Hospital Milwaukee Inc was last updated on July 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 45 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.