William B Ewen, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

N6286 Issued in TX

Practice address

300 University Blvd
Round Rock, TX 78665-1032

Phone

(512) 509-0100

NPI assigned

Sep 24, 2007

Last updated

Jan 21, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

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

Merit-based Incentive Payment System (MIPS)

Final score

93.86 of 100Reported as group

Quality

92.78

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Century Integrated Partners, Inc

  • Emergency Medicine Physician
  • Dallas, TX
  • NPI 1447615711
  Medicare reassignment NPD
• Scott & White Hospital - Taylor

  dba Baylor Scott & White Medical Center - Taylor

  • Nurse Practitioner
  • Taylor, TX
  • NPI 1659548568
  Medicare reassignment NPD
• Third Coast Emergency Physicians Southwest PA

  • Emergency Medicine Physician
  • San Antonio, TX
  • NPI 1497793475
  Medicare reassignment NPD
• University of Texas Southwestern Medical Center at Dallas

  • Anesthesiology Physician
  • Dallas, TX
  • NPI 1942270566
  Medicare reassignment NPD
• Scott & White Hospital - Taylor

  dba Baylor Scott & White Medical Center - Taylor

  • Emergency Medicine Physician
  • Taylor, TX
  • NPI 1659366557
  NPD
• Scott & White Hospital - Taylor

  dba Baylor Scott & White Medical Center - Taylor

  • Critical Access Hospital
  • Taylor, TX
  • NPI 1962497800
  NPD
• The University of Texas Southwestern Medical Center at Dallas

  • Clinical Medical Laboratory
  • Dallas, TX
  • NPI 1396832713
  NPD
• University of Texas Southwestern Medical Center at Dallas

  • Emergency Medicine Physician
  • Dallas, TX
  • NPI 1205880036
  NPD
• Johns Community Hospital

  • Durable Medical Equipment & Medical Supplies
  • Taylor, TX
  • NPI 1679797831
  NPD (past)

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

{
    "created_epoch": "1190592000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768953600000",
    "number": "1538355490",
    "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": "300 UNIVERSITY BLVD",
            "city": "ROUND ROCK",
            "state": "TX",
            "postal_code": "786651032",
            "telephone_number": "512-509-0100"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5323 Harry Hines Blvd.",
            "address_2": "MC 8579",
            "address_purpose": "LOCATION",
            "city": "Dallas",
            "state": "TX",
            "postal_code": "753908579",
            "country_code": "US",
            "telephone_number": "214-648-3916",
            "fax_number": "214-648-8423",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "EWEN",
        "first_name": "WILLIAM",
        "middle_name": "B",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-09-24",
        "last_updated": "2026-01-21",
        "certification_date": "2026-01-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "TX",
            "license": "N6286",
            "primary": true
        },
        {
            "code": "207PE0004X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Emergency Medical Services",
            "state": "TX",
            "license": "N6286",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "wewen295833@direct.sw.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "300 University Blvd",
            "city": "Round Rock",
            "state": "TX",
            "country_code": "US",
            "postal_code": "786651032",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Wade Etheredge, MD
• Brooke Marie Evans
• Matthew Bruce Evans, PHARM.D.
• Sally Evans
• Evara Eldercare LLC
• Ariana Ewing
• Ews LLC (EssentialCare)
• Excellent Home Health Inc. (Excellent Home Health)
• Exhale Medical Massage and Rehabilitation
• Eye Physicians of Central Texas, PA

• Emergency Medicine Physician in Round Rock, TX
• Providers in Round Rock, TX by specialty
• Emergency Medicine Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 21, 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.