NPIMap

Organization Active NPI

Columbia St. Mary's Hospital Milwaukee, Inc

Doing business as Ascension Columbia St Mary's Hospital Milwaukee

  • Multi-Specialty Clinic/Center
  • Milwaukee, WI
National Provider Identifier
1023064482
Registry record updated Jul 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Multi-Specialty Clinic/CenterTaxonomy code 261QM1300X
Legal business name
COLUMBIA ST. MARY'S HOSPITAL MILWAUKEE, INC
Doing business as
Ascension Columbia St Mary's Hospital Milwaukee
Practice address
2350 N Lake Dr
Milwaukee, WI 53211
Phone
(414) 585-1000
NPI assigned
May 26, 2006
Last updated
Jul 9, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jul 9, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Susan Dwyer
Title
Cfo
Phone
(414) 465-3093

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Multi-Specialty Clinic/Center 261QM1300X Primary
Family Medicine Physician 207Q00000X
General Practice Physician 208D00000X

Addresses

Primary practice location

2350 N Lake Dr
Milwaukee, WI 53211

Mailing address

PO Box 860496
Minneapolis, MN 55486-0496
Phone (414) 585-1000

Other identifiers 1

IdentifierTypeStateIssuer
32793800MedicaidWI

Other names 2

  • Ascension Columbia St Mary's Hospital Milwaukee Doing business as
  • Ascension Columbia St Mary's Hospital Ozaukee Other name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
O20031105000057 WI Part B Supplier - Clinic/Group Practice 5890604722 Receives reassigned benefits from 914 practitioners
4 other NPIs on this enrollment
O20101101000597 WI Part B Supplier - Clinic/Group Practice 5890604722 Receives reassigned benefits from 27 practitioners
2 other NPIs on this enrollment
This NPI is an additional NPI on the enrollment
Practice locations: Mequon, WI

Other NPIs with the same Medicare PAC ID 3

NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).

Other NPIs on the same Medicare enrollment 6

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

National Provider Directory

National Provider Directory

Locations (25 of 26)

7413 Solutions Ctr
Chicago, IL 60677

19485 W N Ave Ste 201
Brookfield, WI 53045

4425 N Port Washington Rd
Ofc Ctr
Glendale, WI 53212

4545 N Port Washington Rd
Glendale, WI 53212

5261 N Port Washington Rd
Ste 10
Glendale, WI 53217

11725 N Port Washington Rd
Ste 225
Mequon, WI 53092
Phone (262) 241-2131

12800 N Port Washington Rd
Mequon, WI 53097
Phone (262) 243-3655

13111 N Port Washington Rd
#121
Mequon, WI 53097

13111 N Port Washington Rd
Ste 116
Mequon, WI 53097
Phone (262) 243-7367

1121 E North Ave
Milwaukee, WI 53212
Phone (414) 267-6500

2015 E Newport Ave
Ste 401
Milwaukee, WI 53211
Phone (414) 963-1700

2301 N Lake Dr
Rm 1327
Milwaukee, WI 53211

2301 N Lake Dr
Rm 1577
Milwaukee, WI 53211
Phone (414) 291-1771

2320 N Lake Dr
Rm 3603
Milwaukee, WI 53211
Phone (414) 270-4932

2320 N Lake Dr
Rm E2635
Milwaukee, WI 53211
Phone (414) 270-4812

2323 N Lake Dr
Fl 2
Milwaukee, WI 53211
Phone (414) 291-1714

2350 N Lake Dr
Milwaukee, WI 53211
Phone (414) 291-1556

2350 N Lake Dr
Ste 201
Milwaukee, WI 53211
Phone (414) 272-3000

2350 N Lake Dr
Ste 501
Milwaukee, WI 53211
Phone (414) 226-4020

2350 N Lake Dr
Ste 501B
Milwaukee, WI 53211

2350 N Lake Dr
Ste 509
Milwaukee, WI 53211
Phone (414) 289-9668

2727 N Mayfair Rd
Milwaukee, WI 53222

788 N Jefferson St
Ste 201
Milwaukee, WI 53202
Phone (414) 226-4010

1901 E Capitol Dr
Shorewood, WI 53211
Phone (414) 424-5300

13133 N Port Washington Rd
Ste 2
Thiensville, WI 53097

Ownership & related parties

All facility ownership & control disclosures 1

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
Ascension Wisconsin Hospital- Menomonee Falls CampusMenomonee Falls, WI, CCN 520214 Hospital 5% Or Greater Indirect Ownership Interest (51%) Apr 15, 2020

Owned or controlled facilities with NPI records 3

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

Practitioners & affiliated clinicians

Practitioners 948

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 948

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1148601600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1783555200000",
    "number": "1023064482",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 860496",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554860496",
            "telephone_number": "414-585-1000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2350 N LAKE DR",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "53211",
            "telephone_number": "414-585-1000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "COLUMBIA ST. MARY'S HOSPITAL MILWAUKEE, INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-05-26",
        "last_updated": "2026-07-09",
        "certification_date": "2026-07-09",
        "status": "A",
        "authorized_official_last_name": "DWYER",
        "authorized_official_first_name": "SUSAN",
        "authorized_official_title_or_position": "CFO",
        "authorized_official_telephone_number": "414-465-3093"
    },
    "taxonomies": [
        {
            "code": "261QM1300X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Multi-Specialty",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208D00000X",
            "taxonomy_group": "",
            "desc": "General Practice",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "32793800",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Ascension Columbia St Mary's Hospital Milwaukee",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Ascension Columbia St Mary's Hospital Ozaukee",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Milwaukee, WI

Sources for this page

Verify at the official NPI Registry.