Liza Opper Thalheimer, M.D.

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

License

R0334 Issued in TX

Practice address

5585 Weslayan St
Houston, TX 77005-1941

Phone

(800) 991-6117

NPI assigned

Jun 24, 2008

Sex

Female

Sole proprietor

No

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 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

Specialty

General Surgery

Education

West Virginia University School of Medicine, 2008

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Texas Uvc Medical PLLCGroup PAC ID 4385085521, 18 clinicians

Srinivas Rao MD PAGroup PAC ID 8325275415, 17 clinicians

Practice addresses (Care Compare)

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: liza.thalheimer@uvvc.eclinicaldirectplus.com

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.

• Srinivas Rao MD PA

  dba Texas Vein and Wellness Institute

  • Surgery Physician
  • Houston, TX
  • NPI 1972941318
  Medicare reassignment Care Compare group NPD
• Texas Uvc Medical PLLC

  dba United Vein & Vascular Centers

  • Surgery Physician
  • Fort Worth, TX
  • NPI 1447023528
  Medicare reassignment Care Compare group NPD
• Texas Oncology PA

  • Medical Oncology Physician
  • El Paso, TX
  • NPI 1811944101

  Surgery

  NPD (past)

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

{
    "created_epoch": "1214265600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771459200000",
    "number": "1720249469",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3820 NORTHDALE BLVD STE 201",
            "city": "TAMPA",
            "state": "FL",
            "postal_code": "336241893",
            "telephone_number": "800-991-6117",
            "fax_number": "888-812-8191"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5585 WESLAYAN ST",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770051941",
            "telephone_number": "800-991-6117"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THALHEIMER",
        "first_name": "LIZA",
        "middle_name": "OPPER",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-06-24",
        "last_updated": "2026-02-19",
        "certification_date": "2026-02-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "TX",
            "license": "R0334",
            "primary": true
        },
        {
            "code": "202K00000X",
            "taxonomy_group": "",
            "desc": "Phlebology",
            "state": "TX",
            "license": "R0334",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Praymal Thakrar, MD
• Nivedita Thakur, M.D.
• Rajiv Thakur, M.D.
• Shradha Shay Thakur, MD
• Aishwarya Thakurdesai, MBBS
• Khyathi Thallapureddy, MD
• Richard Thaller, M.D.
• Yee Lu Tham, M.D.
• Rajalakshmi Thampi, AGACNP-BC
• Basti J. Thampoe, M.D.

• Surgery Physician in Houston, TX
• Providers in Houston, TX by specialty
• Surgery Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 19, 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.