Alexandra Leigh Clark, PHD

Primary specialty

Clinical NeuropsychologistTaxonomy code 103G00000X

License

39726 Issued in TX

Practice address

711 W 38TH St Ste F2
Austin, TX 78705-1133

Phone

(512) 637-5841

Fax

(512) 637-5997

NPI assigned

May 17, 2019

Sex

Female

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: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Psychologist

Education

University of California, San Diego School of Medicine, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Atx Neuropsychology PLLCGroup PAC ID 7618074766, 3 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

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.

• Atx Neuropsychology PLLC

  • Clinical Neuropsychologist
  • Austin, TX
  • NPI 1871667808
  Medicare reassignment Care Compare group NPD
• Hudson Werner Horn Karnik Douglas Hummer PA

  • Neurology Physician
  • Austin, TX
  • NPI 1407805419
  NPD (past)

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

{
    "created_epoch": "1558051200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756252800000",
    "number": "1831755537",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "711 W 38TH ST STE F2",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787051133",
            "telephone_number": "512-637-5841",
            "fax_number": "512-637-5997"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "711 W 38TH ST STE F2",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787051133",
            "telephone_number": "512-637-5841",
            "fax_number": "512-637-5997"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CLARK",
        "first_name": "ALEXANDRA",
        "middle_name": "LEIGH",
        "name_prefix": "Dr.",
        "credential": "PHD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-05-17",
        "last_updated": "2025-08-27",
        "certification_date": "2025-08-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103G00000X",
            "taxonomy_group": "",
            "desc": "Clinical Neuropsychologist",
            "state": "TX",
            "license": "39726",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Claritymd, LLC
• Clarityxcourage
• Clark-Brown Family Care Associates, PA
• Cheryl Monet Clark-Brown, M.D.
• Shawn Clark-Martinez
• Allison Clark
• Amy Patrice Clark
• Andrea Dawn Clark, MSN, APRN, FNP-C
• Audrey Clark
• Brandi Nicole Clark

• Clinical Neuropsychologist in Austin, TX
• Providers in Austin, TX by specialty
• Clinical Neuropsychologist in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 27, 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.