Whittney Aaron Warren, D.O.

Primary specialty

Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X

License

R8680 Issued in TX

Practice address

3551 Roger Brooke Dr
Fort Sam Houston, TX 78234-4504

Phone

(210) 916-2153

Fax

(210) 916-0709

NPI assigned

Mar 31, 2012

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy, Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: whittney.warren.1@11434.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.

• Cepamerica Texas PA

  dba Vituity

  • Critical Care Medicine (Internal Medicine) Physician
  • San Antonio, TX
  • NPI 1881269934
  Medicare reassignment NPD
• Pulmonary and Critical Care Associates of San Antonio

  • Pulmonary Disease Physician
  • San Antonio, TX
  • NPI 1033877675
  Medicare reassignment NPD
• Texas Ips LLC

  • Pulmonary Disease Physician
  • San Antonio, TX
  • NPI 1629368535

  Critical Care Medicine

  Medicare reassignment NPD
• Community Medicine Associates

  dba University Medicine Associates

  • Family Medicine Physician
  • San Antonio, TX
  • NPI 1245313329
  Medicare reassignment
• Cepamerica Texas PA

  dba Vituity

  • Critical Care Medicine (Internal Medicine) Physician
  • San Antonio, TX
  • NPI 1932774080
  NPD
• Palla Rivi de Silva PLLC

  • Pulmonary Disease Physician
  • San Antonio, TX
  • NPI 1770060238
  NPD (past)

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

{
    "created_epoch": "1333152000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786060800000",
    "number": "1689940835",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4502 MEDICAL DR",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782294402",
            "telephone_number": "210-358-4000",
            "fax_number": "210-358-8002"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3551 ROGER BROOKE DR",
            "city": "FORT SAM HOUSTON",
            "state": "TX",
            "postal_code": "782344504",
            "telephone_number": "210-916-2153",
            "fax_number": "210-916-0709"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4502 Medical Dr",
            "address_purpose": "LOCATION",
            "city": "San Antonio",
            "state": "TX",
            "postal_code": "782294492",
            "country_code": "US",
            "telephone_number": "210-358-4000",
            "fax_number": "210-358-8002",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WARREN",
        "first_name": "WHITTNEY",
        "middle_name": "AARON",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-03-31",
        "last_updated": "2026-08-07",
        "certification_date": "2026-08-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "IN",
            "license": "02004361A",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "TX",
            "license": "R8680",
            "primary": true
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "TX",
            "license": "R8680",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Patricia Walworth, DMD
• Sana Warasarwala, PHARM D
• Kyle Francis Ward, PA-C
• Erin Nicole Warnick
• Misty Lunt Warren, PSYD
• Cassandra Wasson, D.O.
• David Keith Watkins, PA
• Shane Olivette Watkins
• Valerie Watkins, PHYSICIAN ASSISTANT
• Charles William Watson III, DNP

• Critical Care Medicine (Internal Medicine) Physician in Fort Sam Houston, TX
• Providers in Fort Sam Houston, TX by specialty
• Critical Care Medicine (Internal Medicine) Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 7, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.