Isadora Sande Mathias, MD

Primary specialty

Cardiovascular Disease PhysicianTaxonomy code 207RC0000X

License

47006148 Issued in TX

Practice address

302 University Blvd
Round Rock, TX 78665-1032

Phone

(512) 509-0200

NPI assigned

Jul 1, 2018

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

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

Cardiovascular Disease (Cardiology)

Education

Other, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Scott and White ClinicGroup PAC ID 8123923604, 2,426 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Baylor Scott & White Medical Center - Round Rock Hospital, Round Rock, TX, CCN 670034
• Baylor Scott & White Medical Center - Temple Hospital, Temple, TX, CCN 450054
• Baylor Scott & White Medical Center Pflugerville Hospital, Pflugerville, TX, CCN 670128
• Baylor Scott & White Medical Center - Marble Falls Hospital, Marble Falls, TX, CCN 670108

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: isandemathias374678@directhoustonmethodist.org
• Direct secure messaging: imathias1477010@direct.sw.org

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.

• Scott & White Clinic

  • Internal Medicine Physician
  • Temple, TX
  • NPI 1093779704
  Medicare reassignment Care Compare group NPD
• Scott & White Clinic

  • Internal Medicine Physician
  • Dallas, TX
  • NPI 1649820796
  NPD
• Scott & White Hospital - Taylor

  • Emergency Medicine Physician
  • Taylor, TX
  • NPI 1659366557
  NPD (past)

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

• Baylor Scott & White Medical Centers - Capitol Area

  • General Acute Care Hospital
  • Pflugerville, TX
  • NPI 1346729159
  Care Compare affiliation
• Scott & White Hospital - Marble Falls

  • General Acute Care Hospital
  • Marble Falls, TX
  • NPI 1396138970
  Care Compare affiliation
• Scott & White Hospital - Round Rock

  • General Acute Care Hospital
  • Round Rock, TX
  • NPI 1265568638
  Care Compare affiliation
• Scott & White Memorial Hospital

  • General Acute Care Hospital
  • Temple, TX
  • NPI 1477516466
  Care Compare affiliation
• Scott & White Memorial Hospital

  • General Acute Care Hospital
  • Temple, TX
  • NPI 1578502613
  Care Compare affiliation

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

{
    "created_epoch": "1530403200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764892800000",
    "number": "1689169716",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 844658",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752844658",
            "telephone_number": "254-724-2111"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "302 UNIVERSITY BLVD",
            "city": "ROUND ROCK",
            "state": "TX",
            "postal_code": "786651032",
            "telephone_number": "512-509-0200"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SANDE MATHIAS",
        "first_name": "ISADORA",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2018-07-01",
        "last_updated": "2025-12-05",
        "certification_date": "2025-12-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "TX",
            "license": "47006148",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "imathias1477010@direct.sw.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "302 UNIVERSITY BLVD",
            "city": "Round Rock",
            "state": "TX",
            "country_code": "US",
            "postal_code": "786651032",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Maria Sanchez
• Melanie Yeniz Sanchez
• Michelle Sanchez, LCDC
• Servando Sanchez Jr., MD
• Sofia Sanchez
• Sandeep G. Mistry, MD, PA
• Megan Sanders, RN, IBCLC
• Fareesa Shuja Sandoval, M.D.
• India Sandoval, RBT
• Sandra Aguilar, PLLC

• Cardiovascular Disease Physician in Round Rock, TX
• Providers in Round Rock, TX by specialty
• Cardiovascular Disease Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 5, 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.