NPIMap

Organization Active NPI

Columbia St Mary's Hospital Ozaukee, Inc.

Doing business as Ascension Columbia St Mary's Hospital Ozaukee

  • Psychiatric Hospital Unit
  • Mequon, WI
National Provider Identifier
1740747559
Registry record updated Jul 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric Hospital UnitTaxonomy code 273R00000X
Legal business name
COLUMBIA ST MARY'S HOSPITAL OZAUKEE, INC.
Doing business as
Ascension Columbia St Mary's Hospital Ozaukee
Practice address
13111 N Port Washington Rd
Mequon, WI 53097-2416
Phone
(262) 243-7388
NPI assigned
Feb 28, 2019
Last updated
Jul 17, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jul 17, 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) 465-3000

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatric Hospital Unit 273R00000X Primary

Addresses

Primary practice location

13111 N Port Washington Rd
Mequon, WI 53097-2416

Mailing address

13111 N Port Washington Rd
Mequon, WI 53097-2416
Phone (262) 243-7300

Other names 1

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

National Provider Directory

National Provider Directory

Locations

N28W5901 Lincoln Blvd
Cedarburg, WI 53012
Phone (262) 375-2800

W62N179 Washington Ave
Cedarburg, WI 53012
Phone (262) 375-3555

940 Bell Ave
Ste A
Hartford, WI 53027
Phone (262) 673-7779

W129N7055 Northfield Dr
Ste 100
Menomonee Falls, WI 53051
Phone (262) 253-2510

10554 N Port Washington Rd
Mequon, WI 53092
Phone (262) 241-7772

11203 N Buntrock Ave
#103
Mequon, WI 53092
Phone (262) 242-0095

13133 N Port Washington Rd
Mequon, WI 53097
Phone (262) 243-5850

13133 N Port Washington Rd
Ste 118
Mequon, WI 53097
Phone (262) 243-7470

13133 N Port Washington Rd
Ste G01
Mequon, WI 53097
Phone (262) 243-2500

13133 N Port Washington Rd
Ste S204
Mequon, WI 53097
Phone (262) 243-7470

515 E Mill St
Plymouth, WI 53073
Phone (920) 892-2395

Practitioners & affiliated clinicians

Practitioners 30

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 30

NPI Registry JSON

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

{
    "created_epoch": "1551312000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1784246400000",
    "number": "1740747559",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "13111 N PORT WASHINGTON RD",
            "city": "MEQUON",
            "state": "WI",
            "postal_code": "530972416",
            "telephone_number": "262-243-7300"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "13111 N PORT WASHINGTON RD",
            "city": "MEQUON",
            "state": "WI",
            "postal_code": "530972416",
            "telephone_number": "262-243-7388"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "COLUMBIA ST MARY'S HOSPITAL OZAUKEE, INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2019-02-28",
        "last_updated": "2026-07-17",
        "certification_date": "2026-07-17",
        "status": "A",
        "authorized_official_last_name": "DWYER",
        "authorized_official_first_name": "SUSAN",
        "authorized_official_title_or_position": "CFO",
        "authorized_official_telephone_number": "414-465-3000"
    },
    "taxonomies": [
        {
            "code": "273R00000X",
            "taxonomy_group": "",
            "desc": "Psychiatric Unit",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Ascension Columbia St Mary's Hospital Ozaukee",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Ascension Columbia St Mary's Hospital Ozaukee",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Mequon, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 17, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.