Individual provider Active NPI

Karla Avila-Perez, MD

  • Internal Medicine Physician
  • San Antonio, TX
National Provider Identifier
1124656442
Registry record updated Jul 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
U4460 Issued in TX
Practice address
250 E Basse Rd Ste 107
San Antonio, TX 78209-8409
Phone
(210) 224-4811
NPI assigned
Mar 31, 2020
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 17, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Internal Medicine Physician 207R00000X U4460 TX Primary

Addresses

Primary practice location

250 E Basse Rd Ste 107
San Antonio, TX 78209-8409

Mailing address

143 Cypress TRL
Fortson, GA 31808-1123

Other practice location 1

180 JFK Dr Ste 210
Atlantis, FL 33462-6641
Phone (561) 548-1450

Other practice location 2

1139 E Sonterra Blvd
San Antonio, TX 78258-4347
Phone (210) 404-0000

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20231010004141 TX Practitioner - Internal Medicine 0143643171 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Hospital Medicine Services of TX, PLLCGroup PAC ID 3274998067, 376 clinicians
Methodist Physician Practices PLLCGroup PAC ID 8022171974, 176 clinicians

Practice addresses (Care Compare)

1310 McCullough Ave
San Antonio, TX 78212-5601
Phone (210) 757-2200

250 E Basse Rd
Suite 107
San Antonio, TX 78209-8409
Phone (210) 223-9617

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
U4460TXMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Methodist Physician Practices, PLLC Internal Medicine CurrentSince Oct 1, 2023 Accepting new patients
Hospital Medicine Services of TX, PLLC CurrentSince Dec 1, 2025 Accepting new patients

Locations

12141 Richmond Ave
Houston, TX 77082
Phone (281) 558-3444

11100 Shadow Creek Pkwy
Pearland, TX 77584
Phone (713) 770-7000

2400 Round Rock Ave
Round Rock, TX 78681
Phone (512) 255-6066

250 E Basse Rd
Ste 107
San Antonio, TX 78209
Phone (210) 223-9617

5510 Presidio Pkwy
San Antonio, TX 78249
Phone (210) 452-4121

111 Dallas St
Fl 4
San Antonio, TX 78205
Phone (210) 297-7195

5106 W Loop 1604 N
San Antonio, TX 78251
Phone (210) 575-0355

1310 McCullough Ave
San Antonio, TX 78212
Phone (210) 208-2200

1139 E Sonterra Blvd
Ste 405
San Antonio, TX 78258
Phone (210) 404-0000

7700 Floyd Curl Dr
San Antonio, TX 78229
Phone (210) 575-5564

Interoperability endpoints

  • Direct secure messaging: karla.avila@hca7.eclinicaldirectplus.com
  • FHIR API: https://api.platform.athenahealth.com/16700/brand/2/csg/1/fhir/r4

Organizations & group practices 2

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.

Hospital & facility affiliations 3

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

NPI Registry JSON

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

{
    "created_epoch": "1585612800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784246400000",
    "number": "1124656442",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "143 CYPRESS TRL",
            "city": "FORTSON",
            "state": "GA",
            "postal_code": "318081123"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "250 E BASSE RD STE 107",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782098409",
            "telephone_number": "210-224-4811"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "180 JFK Dr Ste 210",
            "address_purpose": "LOCATION",
            "city": "Atlantis",
            "state": "FL",
            "postal_code": "334626641",
            "country_code": "US",
            "telephone_number": "561-548-1450",
            "fax_number": "561-548-1459",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1139 E Sonterra Blvd",
            "address_purpose": "LOCATION",
            "city": "San Antonio",
            "state": "TX",
            "postal_code": "782584347",
            "country_code": "US",
            "telephone_number": "210-404-0000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "AVILA-PEREZ",
        "first_name": "KARLA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-03-31",
        "last_updated": "2026-07-17",
        "certification_date": "2026-07-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "U4460",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Antonio, TX

Sources for this page

Verify at the official NPI Registry.