Dallin S Walker, DO

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

T9816 Issued in TX

Practice address

8401 Datapoint Dr Ste 401-a
San Antonio, TX 78229-5900

Phone

(210) 949-2225

NPI assigned

Mar 20, 2019

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

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

Family Practice

Education

Nova Southeastern College of Osteo Medicine, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Christus Trinity Clinic TexasGroup PAC ID 3072426741, 1,540 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Baptist Medical Center Hospital, San Antonio, TX, CCN 450058

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: dwalker286688@christushealth.direct-ci.net

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.

• Christus Trinity Clinic Texas

  dba Christus Trinity Clinic

  • Family Medicine Physician
  • Tyler, TX
  • NPI 1285684225
  Medicare reassignment Care Compare group NPD
• Methodist Carenow Urgent Care PLLC

  • Family Medicine Physician
  • San Antonio, TX
  • NPI 1083154207
  Medicare reassignment NPD
• Christus Trinity Clinic Texas

  dba Christus Trinity Clinic

  • Rural Health Clinic/Center
  • Winnsboro, TX
  • NPI 1801673165
  NPD

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

• VHS San Antonio Partners LLC

  dba Baptist Medical Center

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1598744856
  Care Compare affiliation

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

{
    "created_epoch": "1553040000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780358400000",
    "number": "1588124366",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 846098",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752846098",
            "telephone_number": "903-606-6400"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8401 DATAPOINT DR STE 401-A",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782295900",
            "telephone_number": "210-949-2225"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "12340 Bandera Rd Ste 104",
            "address_purpose": "LOCATION",
            "city": "Helotes",
            "state": "TX",
            "postal_code": "780234575",
            "country_code": "US",
            "telephone_number": "210-704-0161",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "11212 State Highway 151 Ste 250",
            "address_purpose": "LOCATION",
            "city": "San Antonio",
            "state": "TX",
            "postal_code": "782514507",
            "country_code": "US",
            "telephone_number": "210-703-8800",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "11130 Christus Hills",
            "address_2": "Medical Plaza 3, Suite 311",
            "address_purpose": "LOCATION",
            "city": "San Antonio",
            "state": "TX",
            "postal_code": "78251",
            "country_code": "US",
            "telephone_number": "210-703-9001",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2829 Babcock Rd Ste 500",
            "address_purpose": "LOCATION",
            "city": "San Antonio",
            "state": "TX",
            "postal_code": "782296013",
            "country_code": "US",
            "telephone_number": "210-705-5600",
            "fax_number": "210-692-1829",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WALKER",
        "first_name": "DALLIN",
        "middle_name": "S",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-20",
        "last_updated": "2026-06-02",
        "certification_date": "2026-06-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "TX",
            "license": "T9816",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Carolyn Bowman Walker, DDS
• Chad Layne Walker
• Chris Ann Walker
• Christopher Walker, DDS
• Courtney Ann Walker, MOTR
• Daniel C Walker, LPC
• Darcy Crawford Walker, LVN
• Debra Geddes Walker, LPC
• Emily Walker
• Emily Grace Walker, MD

• Family Medicine Physician in San Antonio, TX
• Providers in San Antonio, TX by specialty
• Family Medicine Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 2, 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.