Individual provider Active NPI

William H Annesley Jr., MD

  • Urology Physician
  • Wauwatosa, WI
National Provider Identifier
1407899552
Registry record updated Aug 11, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Urology PhysicianTaxonomy code 208800000X
License
21597 Issued in WI
Practice address
1547 Upper Pkwy S
Wauwatosa, WI 53213-2435
Phone
(414) 254-5610
Fax
(414) 755-7576
NPI assigned
Jun 14, 2006
Last updated
Aug 11, 2021By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 11, 2021

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Urology Physician 208800000X 21597 WI Primary

Addresses

Primary practice location

1547 Upper Pkwy S
Wauwatosa, WI 53213-2435

Mailing address

1547 Upper Pkwy S
Wauwatosa, WI 53213-2435
Phone (414) 254-5610

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address william.annesley@ascension.org Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI, MN2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20050412000569 WI Practitioner - Urology 6002884889 Reassigns benefits to 4 organizations
I20250912003709 MN Practitioner - Urology 6002884889 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Urology
Education
Other, 1977
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mankato Clinic LTDGroup PAC ID 5597677955, 243 clinicians
Beloit Health System IncGroup PAC ID 8224947858, 138 clinicians

Practice addresses (Care Compare)

1421 Premier Dr
Mankato, MN 56001-6076
Phone (507) 385-4000

1611 S Madison St
Appleton, WI 54915-1844
Phone (920) 738-2000

1905 E Huebbe Pkwy
Beloit, WI 53511-1842
Phone (608) 364-2200

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Beloit Health System, Inc CurrentSince Jun 15, 2025 Accepting new patients
Mankato Clinic LTD Urology CurrentSince Sep 1, 2025 Accepting new patients
Beloit Health System Inc Urology CurrentSince Jun 15, 2025 Accepting new patients
The Medical College of Wisconsin, Inc. CurrentSince Mar 1, 2012 Accepting new patients
Ascension Medical Group-Fox Valley Wisconsin, Inc CurrentSince Apr 25, 2025 Accepting new patients
Ascension Medical Group-Fox Valley Wisconsin, Inc CurrentSince Apr 25, 2025 Accepting new patients
Milwaukee Urology Specialists, SC Urology Past Accepting new patients
Prohealth Medical Group Inc Past Accepting new patients

Locations

1230 E Main St
Mankato, MN 56001
Phone (507) 389-8502

1421 Premier Dr
Mankato, MN 56001
Phone (507) 385-4000

1501 S Madison St
Appleton, WI 54915
Phone (920) 730-4435

1611 S Madison St
Appleton, WI 54915
Phone (920) 727-4395

1735 Madison Rd
Beloit, WI 53511
Phone (608) 363-7510

1905 E Huebbe Pkwy
Beloit, WI 53511
Phone (608) 364-2293

1969 W Hart Rd
Beloit, WI 53511
Phone (608) 364-5011

19333 W North Ave
Brookfield, WI 53045
Phone (262) 785-2000

10911 N Port Washington Rd
Mequon, WI 53092
Phone (262) 241-2080

5000 W Chambers St
Milwaukee, WI 53210
Phone (414) 447-2089

Bin 88350
Milwaukee, WI 53288
Phone (414) 805-3122

2700 W 9th Ave
Oshkosh, WI 54904
Phone (920) 223-0220

725 American Ave
Waukesha, WI 53188
Phone (262) 544-2011

1155 N Mayfair Rd
Wauwatosa, WI 53226
Phone (414) 955-5990

201 N Mayfair Rd
Wauwatosa, WI 53226
Phone (414) 259-7200

201 N Mayfair Rd
Fl 2
Wauwatosa, WI 53226
Phone (414) 771-8228

840 N 87th St
Wauwatosa, WI 53226
Phone (414) 805-5540

8701 Watertown Plank Rd
Wauwatosa, WI 53226
Phone (414) 456-4100

11211 W Lincoln Ave
West Allis, WI 53227
Phone (414) 454-8300

Interoperability endpoints

  • Direct secure messaging: william.annesley@ascension.org

Organizations & group practices 9

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1150243200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1628640000000",
    "number": "1407899552",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1547 UPPER PKWY S",
            "city": "WAUWATOSA",
            "state": "WI",
            "postal_code": "532132435",
            "telephone_number": "414-254-5610",
            "fax_number": "414-755-7576"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1547 UPPER PKWY S",
            "city": "WAUWATOSA",
            "state": "WI",
            "postal_code": "532132435",
            "telephone_number": "414-254-5610",
            "fax_number": "414-755-7576"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ANNESLEY",
        "first_name": "WILLIAM",
        "middle_name": "H",
        "name_suffix": "Jr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-06-14",
        "last_updated": "2021-08-11",
        "certification_date": "2021-08-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "WI",
            "license": "21597",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "william.annesley@ascension.org",
            "affiliation": "N",
            "endpointDescription": "email",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "1547 Upper Pkwy S",
            "city": "Wauwatosa",
            "state": "WI",
            "country_code": "US",
            "postal_code": "532132435",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Wauwatosa, WI

Sources for this page

Verify at the official NPI Registry.