Kenneth Armistice Marriott III, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

N8121 Issued in TX

Practice address

4502 Medical Dr
San Antonio, TX 78229-4402

Phone

(210) 358-4000

NPI assigned

Oct 3, 2005

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

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

Emergency Medicine

Education

Uniformed Services Uhs Fe Hebert School of Med, 2002

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Emergency Medicine Services of TX, PLLCGroup PAC ID 3375909351, 374 clinicians

Prestige Emergency Consultants LLCGroup PAC ID 5991135386, 11 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Methodist Hospital Hospital, San Antonio, TX, CCN 450388
• Baptist Neighborhood Hospital Thousand Oaks Hospital, San Antonio, TX, CCN 670078

Merit-based Incentive Payment System (MIPS)

Final score

93.86 of 100Reported as group

Quality

92.78

Improvement activities

40

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kmarriott66709@direct.utmsa.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.

• Emergency Medicine Services of TX, PLLC

  • Emergency Medicine Physician
  • San Antonio, TX
  • NPI 1245938729
  Medicare reassignment Care Compare group NPD
• Prestige Emergency Consultants LLC

  • Emergency Medicine Physician
  • San Antonio, TX
  • NPI 1730637778
  Medicare reassignment Care Compare group
• Third Coast Emergency Physicians Southwest PA

  • Emergency Medicine Physician
  • San Antonio, TX
  • NPI 1497793475
  Medicare reassignment NPD
• University of Texas Health Science Center at San Antonio

  • Internal Medicine Physician
  • San Antonio, TX
  • NPI 1720051717
  Medicare reassignment
• University of Texas Health Science Center at San Antonio

  • Diagnostic Radiology Physician
  • Boerne, TX
  • NPI 1417921834
  NPD
• North County Emergency Physicians, LLP

  • Emergency Medicine Physician
  • Florissant, MO
  • NPI 1356366934
  NPD (past)

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

• Emerus BHS Sa Thousand Oaks LLC

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1114473329
  Care Compare affiliation
• Emerus BHS Sa Thousand Oaks LLC

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1275235426
  Care Compare affiliation
• Emerus BHS Sa Thousand Oaks LLC

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1598560997
  Care Compare affiliation
• Emerus BHS Sa Thousand Oaks, LLC

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1205189172
  Care Compare affiliation
• Emerus BHS Sa Thousand Oaks, LLC

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1205382413
  Care Compare affiliation
• Emerus BHS Sa Thousand Oaks, LLC

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1225381197
  Care Compare affiliation
• Emerus BHS Sa Thousand Oaks, LLC

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1477805406
  Care Compare affiliation
• Emerus BHS Sa Thousand Oaks, LLC

  • General Acute Care Hospital
  • Schertz, TX
  • NPI 1639422504
  Care Compare affiliation
• Emerus BHS Sa Thousand Oaks, LLC

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1669752234
  Care Compare affiliation
• Emerus BHS Sa Thousand Oaks, LLC

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1841844735
  Care Compare affiliation
• Methodist Healthcare System of San Antonio, LTD., L.L.P.

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1124074273
  Care Compare affiliation
• Methodist Healthcare System of San Antonio, LTD., L.L.P.

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1689627655
  Care Compare affiliation

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

{
    "created_epoch": "1128297600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760659200000",
    "number": "1902893183",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "30 WATERS EDGE WAY",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782481021",
            "telephone_number": "210-305-3505"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4502 MEDICAL DR",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782294402",
            "telephone_number": "210-358-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARRIOTT",
        "first_name": "KENNETH",
        "middle_name": "ARMISTICE",
        "name_prefix": "Dr.",
        "name_suffix": "III",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-10-03",
        "last_updated": "2025-10-17",
        "certification_date": "2025-10-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "TX",
            "license": "N8121",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "VA",
            "license": "0101236229",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Stephen Ryne Marquez, PT, DPT
• Natalya J Marra
• Jordan Marren, M.S., CCC-SLP
• Magaly Victoria Marrero, PH.D.
• Marriage and Family Institute of San Antonio
• Tyler Justin Marriott, DDS
• Lori Marrison
• Abigail Marroquin, LCSW
• Andrea Michelle Marroquin, PTA
• Arturo Marroquin

• Emergency Medicine Physician in San Antonio, TX
• Providers in San Antonio, 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 Oct 17, 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.