Yingyu Gao, MD

Primary specialty

Allergy & Immunology PhysicianTaxonomy code 207K00000X

License

81929-20 Issued in WI

Practice address

1821 S Stoughton Rd
Madison, WI 53716-2257

Phone

(608) 260-6000

Fax

(608) 260-6429

NPI assigned

Apr 10, 2020

Last updated

Nov 11, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Electronic endpoints 2

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

Specialty

Allergy/Immunology

Education

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Dean Health Systems IncGroup PAC ID 7012827983, 1,174 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• SSM Health St Mary's Hospital - Madison Hospital, Madison, WI, CCN 520083

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

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.

• Dean Health Systems, Inc

  dba SSM Health Dean Medical Group

  • Allergy & Immunology Physician
  • Madison, WI
  • NPI 1053358846
  Medicare reassignment Care Compare group NPD
• Dean Health Systems, Inc.

  dba SSM Health Davis Duehr Dean Eye Care - Portage

  • Durable Medical Equipment & Medical Supplies
  • Portage, WI
  • NPI 1427085679
  NPD

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

• SSM Health Care of Wisconsin, Inc.

  dba SSM Health St. Mary's Hospital-Madison

  • General Acute Care Hospital
  • Madison, WI
  • NPI 1184621211
  Care Compare affiliation

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

{
    "created_epoch": "1586476800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762819200000",
    "number": "1003435058",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1821 S STOUGHTON RD",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537162257",
            "telephone_number": "608-260-6000",
            "fax_number": "608-260-6429"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1821 S STOUGHTON RD",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537162257",
            "telephone_number": "608-260-6000",
            "fax_number": "608-260-6429"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "600 Highland Ave",
            "address_purpose": "LOCATION",
            "city": "Madison",
            "state": "WI",
            "postal_code": "537920001",
            "country_code": "US",
            "telephone_number": "608-263-6400",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GAO",
        "first_name": "YINGYU",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-04-10",
        "last_updated": "2025-11-11",
        "certification_date": "2025-11-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207K00000X",
            "taxonomy_group": "",
            "desc": "Allergy & Immunology",
            "state": "WI",
            "license": "81929-20",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WI",
            "license": "81929-20",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1003435058",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "affiliationName": "Dean Health Systems, Inc",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "FHIR API",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCD",
            "address_1": "1821 S Stoughton Rd",
            "city": "Madison",
            "state": "WI",
            "country_code": "US",
            "postal_code": "537162257",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ygao560098@direct-ehr-ssmhc.com",
            "affiliation": "Y",
            "affiliationName": "Dean Health Systems, Inc",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1821 S Stoughton Rd",
            "city": "Madison",
            "state": "WI",
            "country_code": "US",
            "postal_code": "537162257",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Mariana Gandolfo Bustamante, MS, RDN, CD
• Melissa A. Gannage, M.D.
• Kathryn E Gannon-Loew
• Samantha Gannon, OTR
• Laura A Ganske, PT, DPT
• Paul Gapinski
• Laura Anne Garbacz, PHARMD
• Jennifer Linda-Marie Garber, PHARMD
• Jonathan Garber
• Mariana Garcia Arango, MD

• Allergy & Immunology Physician in Madison, WI
• Providers in Madison, WI by specialty
• Allergy & Immunology Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.