Katherine S. Ryan, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

T2741 Issued in TX

Practice address

901 W Ben White Blvd
Austin, TX 78704-6903

Phone

(737) 246-1245

NPI assigned

Oct 11, 2007

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in LA, TX2 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

Specialty

Emergency Medicine

Education

Louisiana State University School of Medicine in Shreveport, 2007

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Premier Provider Health PAGroup PAC ID 2264531276, 30 clinicians

Longhorn Emergency Medical Associates PAGroup PAC ID 4486971041, 149 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St David'S South Austin Medical Center Hospital, Austin, TX, CCN 450713

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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 and National Provider Directory roles.

• Longhorn Emergency Medical Associates PA

  • Emergency Medicine Physician
  • Austin, TX
  • NPI 1649669672
  Medicare reassignment Care Compare group NPD
• Premier Provider Health PA

  • Infectious Disease Physician
  • Austin, TX
  • NPI 1013397066
  Medicare reassignment Care Compare group NPD
• Emergency Associates of Central Texas PA

  • Emergency Medicine Physician
  • Killeen, TX
  • NPI 1215418280
  Medicare reassignment NPD
• Congress Emergency Group LLC

  • Emergency Medicine Physician
  • Lafayette, LA
  • NPI 1912316944
  Medicare reassignment NPD
• Premier Provider Health PA

  • Internal Medicine Physician
  • Dallas, TX
  • NPI 1700032745
  NPD
• Premier Provider Health PA

  • Internal Medicine Physician
  • Dallas, TX
  • NPI 1235280496
  NPD (past)
• St Davids Healthcare Partnership LP LLP

  • General Acute Care Hospital
  • Austin, TX
  • NPI 1629021845
  NPD (past)

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

• St. David'S Healthcare Partnership, L.P., LLP

  • General Acute Care Hospital
  • Austin, TX
  • NPI 1679528889
  Care Compare affiliation

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

{
    "created_epoch": "1192060800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783382400000",
    "number": "1518155829",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "901 W BEN WHITE BLVD",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787046903",
            "telephone_number": "737-246-1245",
            "fax_number": "512-444-4327"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "901 W BEN WHITE BLVD",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787046903",
            "telephone_number": "737-246-1245"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RYAN",
        "first_name": "KATHERINE",
        "middle_name": "S.",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2007-10-11",
        "last_updated": "2026-07-07",
        "certification_date": "2026-07-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "LA",
            "license": "202559",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "TX",
            "license": "T2741",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Claire Elizabeth Ryan
• Claire M. Ryan, PA-C
• Connie A Ryan, RNC, WHNP
• Jared H Ryan
• Jeanne Wham Ryan, M.D, F.A.C.P.
• Kelly A Ryan, LPC, LMFT
• Kieran James Ryan, DO
• Laura Ryan
• Lauren Ryan
• Rebecca Ryan, J.D., M.ED., B.C.B.A

• Emergency Medicine Physician in Austin, TX
• Providers in Austin, TX by specialty
• Emergency Medicine Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 7, 2026; 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.