John Charles Williamson, M.D.

Primary specialty

Urology PhysicianTaxonomy code 208800000X

License

E6690 Issued in TX

Practice address

4007 James Casey St
C150
Austin, TX 78745-3369

Phone

(512) 443-5988

Fax

(512) 443-5055

NPI assigned

May 17, 2006

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

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

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.

• John C. Williamson, MD

  • Specialist
  • Austin, TX
  • NPI 1578514311
  NPD (past)

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

{
    "created_epoch": "1147824000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1375228800000",
    "number": "1073566709",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1020 W 34TH ST",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787052009",
            "telephone_number": "512-687-1950",
            "fax_number": "512-687-1490"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4007 JAMES CASEY ST",
            "address_2": "C150",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787453369",
            "telephone_number": "512-443-5988",
            "fax_number": "512-443-5055"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMSON",
        "first_name": "JOHN",
        "middle_name": "CHARLES",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-17",
        "last_updated": "2013-07-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "TX",
            "license": "E6690",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "114581504",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Carrie Williamson, DPT
• Charlotte Wright Williamson
• Daniel Williamson
• Hayley Williamson
• John Andrew Williamson, M.D.
• Katy Williamson, MS, CCC-SLP
• Kelli Lee Williamson, LMFT
• McKenna Alexis Williamson, DO
• Michael Scott Williamson, D.D.S.,M.S
• Monica Monique Williamson

• Urology Physician in Austin, TX
• Providers in Austin, TX by specialty
• Urology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 31, 2013; 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.