Organization Active NPI

Urology Specialists S.C.

  • Physician Assistant
  • Milwaukee, WI
National Provider Identifier
1891799755
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
457-023 Issued in WI
Legal business name
UROLOGY SPECIALISTS S.C.
Practice address
2350 W Villard Ave
Ste 301
Milwaukee, WI 53209-5084
Phone
(414) 527-3000
Fax
(414) 527-3114
NPI assigned
Jun 9, 2005
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Authorized official

Name
Dr. Mitchell Wiatrak, M.D.NPI 1114914900
Title
Senior Partner
Phone
(414) 527-3000

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
SpecialistGroup: 193200000X MULTI-SPECIALTY GROUP 174400000X 31968 WI
SpecialistGroup: 193200000X MULTI-SPECIALTY GROUP 174400000X 37739 WI
SpecialistGroup: 193200000X MULTI-SPECIALTY GROUP 174400000X 45820 WI
Physician AssistantGroup: 193200000X MULTI-SPECIALTY GROUP 363A00000X 457-023 WI Primary

Addresses

Primary practice location

2350 W Villard Ave
Ste 301
Milwaukee, WI 53209-5084

Mailing address

2350 W Villard Ave
Ste 301
Milwaukee, WI 53209-5084
Phone (414) 527-3000

Other identifiers 4

IdentifierTypeStateIssuer
3172800MedicaidWI
32233400MedicaidWI
34422300MedicaidWI
42912700MedicaidWI

National Provider Directory

National Provider Directory

Locations

2315 N Lake Dr
Ste 818
Milwaukee, WI 53211
Phone (414) 272-0595

2350 W Villard Ave
Ste 301
Milwaukee, WI 53209
Phone (414) 527-3000

Practitioners & affiliated clinicians

Practitioners 3

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1118275200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1891799755",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2350 W VILLARD AVE",
            "address_2": "STE 301",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532095084",
            "telephone_number": "414-527-3000",
            "fax_number": "414-527-3114"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2350 W VILLARD AVE",
            "address_2": "STE 301",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532095084",
            "telephone_number": "414-527-3000",
            "fax_number": "414-527-3114"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "UROLOGY SPECIALISTS S.C.",
        "organizational_subpart": "NO",
        "enumeration_date": "2005-06-09",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "WIATRAK",
        "authorized_official_first_name": "MITCHELL",
        "authorized_official_title_or_position": "SENIOR PARTNER",
        "authorized_official_telephone_number": "414-527-3000",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "M.D."
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Specialist",
            "state": "WI",
            "license": "31968",
            "primary": false
        },
        {
            "code": "174400000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Specialist",
            "state": "WI",
            "license": "37739",
            "primary": false
        },
        {
            "code": "174400000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Specialist",
            "state": "WI",
            "license": "45820",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Physician Assistant",
            "state": "WI",
            "license": "457-023",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3172800",
            "state": "WI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "32233400",
            "state": "WI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "34422300",
            "state": "WI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "42912700",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Milwaukee, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.