William David Walker, MD

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

S4072 Issued in TX

Practice address

3201 Matlock Rd Ste 350
Arlington, TX 76015-2954

Phone

(817) 468-3255

Fax

(817) 468-7823

NPI assigned

May 20, 2016

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other identifiers 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

Obstetrics/Gynecology

Education

Texas a & M University System, HSC, College of Medicine, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Omega OB-GYN Associates of South ArlingtonGroup PAC ID 9335188606, 6 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Medical City Arlington Hospital, Arlington, TX, CCN 450675

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: william.walker.1@20865.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.

• Omega OB-GYN Associates of South Arlington

  • Specialist
  • Arlington, TX
  • NPI 1154325850
  Medicare reassignment Care Compare group
• Obhg Texas Holdings, P.a.

  • Obstetrics & Gynecology Physician
  • Austin, TX
  • NPI 1083917769
  Medicare reassignment NPD
• Pediatrix Medical Group of Texas Billing, Inc.

  • Neonatal-Perinatal Medicine Physician
  • Houston, TX
  • NPI 1649377359

  Obstetrics & Gynecology

  Medicare reassignment NPD
• Familywell PLLC

  • Clinical Social Worker
  • Concord, MA
  • NPI 1396524005
  NPD
• Columbia Medical Center of Arlington Subsidiary LP

  • General Acute Care Hospital
  • Arlington, TX
  • NPI 1134172406
  NPD (past)
• Questcare Obstetrics PLLC

  • Obstetrics & Gynecology Physician
  • Plano, TX
  • NPI 1184897159
  NPD (past)

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

• Columbia Medical Center of Arlington Subsidiary LP

  • General Acute Care Hospital
  • Arlington, TX
  • NPI 1134172406
  Care Compare affiliation

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

{
    "created_epoch": "1463702400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769385600000",
    "number": "1447607387",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3201 MATLOCK RD STE 350",
            "city": "ARLINGTON",
            "state": "TX",
            "postal_code": "760152954",
            "telephone_number": "817-468-3255",
            "fax_number": "817-468-7823"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3201 MATLOCK RD STE 350",
            "city": "ARLINGTON",
            "state": "TX",
            "postal_code": "760152954",
            "telephone_number": "817-468-3255",
            "fax_number": "817-468-7823"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4927 Lake Ridge Pkwy Ste 140",
            "address_purpose": "LOCATION",
            "city": "Grand Prairie",
            "state": "TX",
            "postal_code": "750523068",
            "country_code": "US",
            "telephone_number": "817-640-0771",
            "fax_number": "817-468-7823",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WALKER",
        "first_name": "WILLIAM",
        "middle_name": "DAVID",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2016-05-20",
        "last_updated": "2026-01-26",
        "certification_date": "2026-01-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "TX",
            "license": "BP10057675",
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "TX",
            "license": "S4072",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PIT",
            "identifier": "BP10057675",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Sharon Lee Walker, LCSW
• Suisan Walker, LCSW
• Tracy E Walker, LISW
• W. Ford Walker, DDS
• William Walker
• Brenda B Wall, PHD
• Misty Lynn Wall, LCSW
• Danielle Wallace, BS
• Diane E Wallace, RD, CDE, RMT
• Kenneth Lee Wallace, DDS

• Obstetrics & Gynecology Physician in Arlington, TX
• Providers in Arlington, TX by specialty
• Obstetrics & Gynecology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 26, 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.