Individual provider Active NPI

Ty B Carroll, MD

  • Endocrinology, Diabetes & Metabolism Physician
  • Madison, WI
National Provider Identifier
1558312942
Registry record updated Dec 2, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X
License
46886 Issued in WI
Practice address
4621 Eastpark Blvd
Madison, WI 53718-2000
Phone
(608) 916-0300
NPI assigned
May 12, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 2, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 46886 WI
Endocrinology, Diabetes & Metabolism Physician 207RE0101X 46886 WI Primary

Addresses

Primary practice location

4621 Eastpark Blvd
Madison, WI 53718-2000

Mailing address

7974 Uw Health CT
Middleton, WI 53562-5531

Other practice location 1

W129N7055 Northfield Dr
Division of Endocrinology
Menomonee Falls, WI 53051-0538
Phone (262) 253-7155

Other identifiers 2

IdentifierTypeStateIssuer
007806261EOtherHUMANA
1558312942MedicaidWI

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI
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 1

Enrollment IDStateProvider typePAC IDDetails
I20050211000546 WI Practitioner - EndocrinologyPractitioner - Internal MedicinePractitioner - Emergency MedicinePractitioner - Geriatric Medicine 6901858554 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
EndocrinologyAlso: Geriatric Medicine, Internal Medicine
Education
Medical College of Wisconsin, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
The Medical College of Wisconsin IncGroup PAC ID 2668384371, 2,092 clinicians

Practice addresses (Care Compare)

4621 Eastpark Blvd
Madison, WI 53718-2000
Phone (608) 914-0100

8701 W Watertown Plank
Milwaukee, WI 53226-3548
Phone (414) 805-3666

8701 Watertown Plank Rd
Room 4041 MFRC
Milwaukee, WI 53226-3548
Phone (414) 805-3666

W129N7055 Northfield Dr
Menomonee Falls, WI 53051-0538
Phone (262) 253-5400

W168N11237 Western Ave
Germantown, WI 53022-3239
Phone (262) 253-5060

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
46886WIMDEndocrinology, Diabetes & Metabolism Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Froedtert &the Medical College of Wisconsin Community Physicians, Inc. Internal Medicine CurrentSince May 1, 2013 Accepting new patients
University of Wisconsin Medical Foundation, Inc CurrentSince Nov 1, 2025 Accepting new patients
The Medical College of Wisconsin, Inc. Internal Medicine CurrentSince Mar 4, 2009 Accepting new patients
University of Wisconsin Medical Foundation, Inc CurrentSince Nov 1, 2025 Accepting new patients
Froedtert &the Medical College of Wisconsin Community Physicians, Inc. CurrentSince May 1, 2013 Accepting new patients
University of Wisconsin Medical Foundation Inc Past Accepting new patients

Locations

W168N11237 Western Ave
Germantown, WI 53022
Phone (262) 253-5060

451 Junction Rd
Madison, WI 53717
Phone (608) 263-5010

600 Highland Ave
Madison, WI 53792
Phone (608) 263-0325

4621 Eastpark Blvd
Madison, WI 53718
Phone (608) 914-0100

W129N7055 Northfield Dr
Menomonee Falls, WI 53051
Phone (262) 251-5305

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

7974 Uw Health Ct
Middleton, WI 53562
Phone (608) 829-5270

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

9000 W Wisconsin Ave
Wauwatosa, WI 53226
Phone (414) 266-2625

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

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

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

Organizations & group practices 6

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

Hospital & facility affiliations 5

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": "1147392000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764633600000",
    "number": "1558312942",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7974 UW HEALTH CT",
            "city": "MIDDLETON",
            "state": "WI",
            "postal_code": "535625531"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4621 EASTPARK BLVD",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537182000",
            "telephone_number": "608-916-0300"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "W129N7055 Northfield Dr",
            "address_2": "DIVISION OF ENDOCRINOLOGY",
            "address_purpose": "LOCATION",
            "city": "Menomonee Falls",
            "state": "WI",
            "postal_code": "530510538",
            "country_code": "US",
            "telephone_number": "262-253-7155",
            "fax_number": "262-253-7140",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CARROLL",
        "first_name": "TY",
        "middle_name": "B",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-12",
        "last_updated": "2025-12-02",
        "certification_date": "2025-12-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WI",
            "license": "46886",
            "primary": false
        },
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "WI",
            "license": "46886",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HUMANA",
            "identifier": "007806261E",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1558312942",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Madison, WI

Sources for this page

Verify at the official NPI Registry.