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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 1871656082
General Acute Care Hospital in Milwaukee, WI

Active since December 18, 2006
2323 N LAKE DR, MILWAUKEE, WI 53211(414) 291-1000 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, Jan 11, 2023 and 5 more (8 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 1871656082), doing business as Ascension Columbia St Mary's Hospital Milwaukee Campus, is a healthcare organization registered as a general acute care hospital in Milwaukee, Wisconsin and active in the NPI registry since December 2006. The organization maintains a secondary practice location in Mequon and lists Susan Dwyer, Cfo, as its authorized official.

NPPES Registry Identity

NPI1871656082
Entity TypeOrganization
Primary Taxonomy282N00000X
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 · Fax (414) 291-5195
Phone(414) 291-1000
Organization SubpartNo
Authorized OfficialSusan DwyerCfo · (414) 465-3093
Enumeration DateDecember 18, 2006
Last NPPES UpdateJuly 9, 20268 updates tracked since enumeration
NPPES CertifiedJuly 9, 2026
✔ NPI 1871656082 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral Acute Care HospitalHospitals
Taxonomy Code282N00000X
License✔ Licensed in WI · 53
Definition
An acute general hospital is an institution whose primary function is to provide inpatient diagnostic and therapeutic services for a variety of medical conditions, both surgical and non-surgical, to a wide population group. The hospital treats patients in an acute phase of illness or injury, characterized by a single episode or a fairly short duration, from which the patient returns to his or her normal or previous level of activity.
2323 N LAKE DR, Milwaukee, WI 53211
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Other Names 3

Doing Business AsAscension Columbia St Mary's Hospital Milwaukee Campus
Doing Business AsAscension Columbia St Mary's Hospital Ozaukee Campus
Other NameAscension Seton Dental Clinic

Secondary Practice Location 1

Location 113111 N Port Washington RdMequon, WI 53097-2416 · Phone (262) 243-7300

Other Identifiers 6

Medicaid38396200WI
Medicaid100197969WI
Medicaid11010300WI
Medicaid21295200WI
Medicaid36200500WI
Medicaid41223700WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), Network Health.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.

NATALIA RUMAS MD
Emergency Medicine
2323 N LAKE DR
MILWAUKEE, WI 53211
Milwaukee County (414) 290-6720
GRETCHEN JANET WADEWITZ PT
Physical Therapist
2323 N LAKE DR
MILWAUKEE, WI 53211
Milwaukee County (414) 291-1066
RAVEN JULIUS SANDIFER JR. PHARMD
Pharmacist
2323 N LAKE DR
MILWAUKEE, WI 53211
Milwaukee County (414) 291-1068
DR. SYDNEY S BISHOP PHARMD
Pharmacist (Critical Care)
2323 N LAKE DR
MILWAUKEE, WI 53211
Milwaukee County (414) 585-1068
DR. RICHARD C. LENNERTZ JR. M.D.
Pain Medicine (Interventional Pain Medicine)
2323 N LAKE DR
MILWAUKEE, WI 53211
Milwaukee County (414) 291-1000
MRS. SUSAN K. VANDERTIE RD CDE
Dietitian, Registered
2323 N LAKE DR
MILWAUKEE, WI 53211
Milwaukee County (414) 291-1143
BIANA KOTLYAR M.D.
Psychiatry & Neurology (Psychiatry)
2323 N LAKE DR, 1ST FLOOR
MILWAUKEE, WI 53211
Milwaukee County (414) 291-1620
MS. ANN MARIE FISCHER OTR0
Occupational Therapist
2323 N LAKE DR
MILWAUKEE, WI 53211
Milwaukee County (414) 291-1066

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 1871656082. It was assigned to this organization in the NPPES registry on December 18, 2006. The provider is doing business as Ascension Columbia St Mary's Hospital Milwaukee Campus and Ascension Columbia St Mary's Hospital Ozaukee Campus. The provider is also known as Ascension Seton Dental Clinic.

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) 291-1000.

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

The primary specialty registered for this NPI is General Acute Care Hospital with taxonomy code 282N00000X.

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

Health plans from Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare) and Network Health 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.