Marian Yvette Williams-Brown, MD

Primary specialty

Gynecologic Oncology PhysicianTaxonomy code 207VX0201X

License

N0554 Issued in TX

Practice address

1601 Trinity St Stop 804
Austin, TX 78712-1866

Phone

(512) 324-7865

NPI assigned

Jun 14, 2007

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

Other names 1

• Dr. Marian Yvette Williams Former name

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

Obstetrics/GynecologyAlso: Gynecological Oncology

Education

Tulane University School of Medicine, 2004

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Seton Family of DoctorsGroup PAC ID 0941333280, 785 clinicians

The University of Texas at AustinGroup PAC ID 2668559436, 154 clinicians

University of Texas at Austin Dell Medical SchoolGroup PAC ID 7113401340, 144 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Ascension Seton Medical Center Austin Hospital, Austin, TX, CCN 450056
• Dell Seton Med Center at the University of TX Hospital, Austin, TX, CCN 450124
• Ascension Seton Hays Hospital, Kyle, TX, CCN 670056

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: marian.williams-brown.1@16041.direct.athenahealth.com

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.

• Seton Family of Doctors

  • Neurological Surgery Physician
  • Austin, TX
  • NPI 1588997233

  Obstetrics & Gynecology

  Medicare reassignment Care Compare group NPD
• University of Texas at Austin Dell Medical School

  • General Practice Physician
  • Austin, TX
  • NPI 1073066239
  Medicare reassignment Care Compare group NPD
• Baylor College of Medicine

  • Family Medicine Physician
  • Houston, TX
  • NPI 1053352914
  Medicare reassignment NPD
• Texas Children'S Physician Group

  • Pediatrics Physician
  • Houston, TX
  • NPI 1861675506
  Medicare reassignment NPD
• Baylor College of Medicine

  • Internal Medicine Physician
  • Houston, TX
  • NPI 1104867175
  NPD
• Seton Family of Doctors

  • Radiology Clinic/Center
  • Austin, TX
  • NPI 1275290694
  NPD
• University of Texas at Austin Dell Medical School

  • Ambulatory Surgical Clinic/Center
  • Austin, TX
  • NPI 1780218305
  NPD
• University Health Services

  • Health Service Clinic/Center
  • Austin, TX
  • NPI 1740313337
  NPD (past)

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

• Ascension Seton

  • General Acute Care Hospital
  • Austin, TX
  • NPI 1093810327
  Care Compare affiliation
• Ascension Seton

  • General Acute Care Hospital
  • Austin, TX
  • NPI 1164526786
  Care Compare affiliation
• Ascension Seton

  • General Acute Care Hospital
  • Kyle, TX
  • NPI 1619115383
  Care Compare affiliation

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

{
    "created_epoch": "1181779200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1736899200000",
    "number": "1861696460",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7303 KAPOK LN",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787593735",
            "telephone_number": "832-291-4300"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1601 TRINITY ST STOP 804",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787121866",
            "telephone_number": "512-324-7865"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS-BROWN",
        "first_name": "MARIAN",
        "middle_name": "YVETTE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-06-14",
        "last_updated": "2025-01-15",
        "certification_date": "2025-01-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "TX",
            "license": "N0554",
            "primary": false
        },
        {
            "code": "207VX0201X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Gynecologic Oncology",
            "state": "TX",
            "license": "N0554",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MARIAN",
            "last_name": "WILLIAMS",
            "middle_name": "YVETTE",
            "prefix": "DR.",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• William M. Davis, M.D., P.a.
• William Moran, M.D., P.a.
• William R. Frazier
• William R. Stern, PH.D.
• Williams Drug Company
• Carrie Elizabeth Williams-Campbell, M.S. BCBA
• Lashoncherice Williams-Ford
• Joanne W Williams-Watkins
• Aaron Williams, PHARM. D.
• Aaron Solon Williams, D.C.

• Gynecologic Oncology Physician in Austin, TX
• Providers in Austin, TX by specialty
• Gynecologic Oncology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 15, 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.