Gaelen Shimkus, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

BP10093813 Issued in TX

Practice address

1501 Red River St FL 2
Austin, TX 78712-1845

Phone

(512) 495-5555

NPI assigned

Apr 22, 2025

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in TX

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Interoperability endpoints

• Direct secure messaging: gaelen.shimkus.1@8363.direct.athenahealth.com

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

{
    "created_epoch": "1745280000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1745280000000",
    "number": "1861289019",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1501 RED RIVER ST FL 2",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787121845",
            "telephone_number": "512-495-5555"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1501 RED RIVER ST FL 2",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787121845",
            "telephone_number": "512-495-5555"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SHIMKUS",
        "first_name": "GAELEN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-04-22",
        "last_updated": "2025-04-22",
        "certification_date": "2025-04-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "BP10093813",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Daniel Shih, M.D.
• Henry Shih, MD
• Ashley Hayes Shilow
• Shilpapp LLC
• Christine Shim, L.AC
• Mina P Shimomura, RN
• Khammila Shimray
• Ashley Michelle Shin, PA
• Elise Hyun Shin, MD, MBA
• Hyon C Shin, M.D.

• All providers in Austin, TX
• Internal Medicine Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 22, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.