Individual provider Active NPI

Ron H Stark, M.D.

  • Surgery of the Hand (Surgery) Physician
  • Milwaukee, WI
National Provider Identifier
1780655928
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery of the Hand (Surgery) PhysicianTaxonomy code 2086S0105X
License
22545 Issued in WI
Practice address
3077 N Mayfair Rd
Suite 306
Milwaukee, WI 53222-4305
Phone
(414) 258-2323
Fax
(414) 258-2736
NPI assigned
Jan 27, 2006
Last updated
Jul 13, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery of the Hand (Surgery) Physician 2086S0105X 22545 WI Primary

Addresses

Primary practice location

3077 N Mayfair Rd
Suite 306
Milwaukee, WI 53222-4305

Mailing address

3077 N Mayfair Rd
Suite 306
Milwaukee, WI 53222-4305
Phone (414) 258-2323

Other identifiers 2

IdentifierTypeStateIssuer
30741000MedicaidWI
22545OtherWIMEDICAL LICENSE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
22545WIMDSurgery of the Hand (Surgery) Physician

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1138320000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1780655928",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3077 N MAYFAIR RD",
            "address_2": "SUITE 306",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532224305",
            "telephone_number": "414-258-2323",
            "fax_number": "414-258-2736"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3077 N MAYFAIR RD",
            "address_2": "SUITE 306",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532224305",
            "telephone_number": "414-258-2323",
            "fax_number": "414-258-2736"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STARK",
        "first_name": "RON",
        "middle_name": "H",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-27",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2086S0105X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgery of the Hand",
            "state": "WI",
            "license": "22545",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "30741000",
            "state": "WI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAL LICENSE",
            "identifier": "22545",
            "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 Jul 13, 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.