Individual provider Active NPI

Oswaldo Hasbun Avalos, MD

  • Emergency Medicine Physician
  • Austin, TX
National Provider Identifier
1104320019
Registry record updated Apr 21, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
T7941 Issued in TX
Practice address
5900 Balcones Dr Ste 100
Austin, TX 78731-4298
Phone
(512) 333-2385
NPI assigned
Mar 23, 2018
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 21, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X T7941 TX Primary

Addresses

Primary practice location

5900 Balcones Dr Ste 100
Austin, TX 78731-4298

Mailing address

5900 Balcones Dr Ste 100
Austin, TX 78731-4298
Phone (512) 333-2385

Other practice location 1

6200 N La Cholla Blvd
Tucson, AZ 85741-3529
Phone (520) 742-9000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, TN, AZ3 enrollments
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 3

Enrollment IDStateProvider typePAC IDDetails
I20220811003526 TX Practitioner - Emergency Medicine 1355756008 Reassigns benefits to 9 organizations
I20241121003473 TN Practitioner - Emergency Medicine 1355756008 Reassigns benefits to 5 organizations
I20250211001735 AZ Practitioner - Emergency Medicine 1355756008 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Columbia University College of Physicians and Surgeons, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Southeastern Emergency Physicians LLCGroup PAC ID 2466364997, 776 clinicians
Methodist South Emergency Physicians, PLLCGroup PAC ID 6406205608, 48 clinicians
Em Alliance Texas PLLCGroup PAC ID 4587192430, 88 clinicians

Practice addresses (Care Compare)

110 Hospital Dr
Jefferson City, TN 37760-5281
Phone (865) 471-2500

1300 Wesley Dr
Memphis, TN 38116-6426
Phone (901) 516-3700

1501 S Coulter St
NW TX Healthcare Sys
Amarillo, TX 79106-1770
Phone (561) 203-0611

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Emergency Medicine Services of TX, PLLC Emergency Medicine CurrentSince Nov 3, 2024 Accepting new patients
Em Alliance Texas, PLLC Emergency Medicine CurrentSince Dec 16, 2024 Accepting new patients
Germantown Emergency Physicians, PLLC Emergency Medicine CurrentSince Sep 1, 2024 Accepting new patients
Methodist South Emergency Physicians, PLLC Emergency Medicine CurrentSince Sep 1, 2024 Accepting new patients
Acs Primary Care Physicians Southwest, PA Emergency Medicine CurrentSince Jan 1, 2024 Accepting new patients
Methodist North Emergency Physicians, PLLC Emergency Medicine CurrentSince Sep 1, 2024 Accepting new patients
Travis County Emergency Physicians PA Emergency Medicine CurrentSince May 7, 2025 Accepting new patients
Sound Physicians Emergency Medicine of Texas PLLC Emergency Medicine CurrentSince Nov 12, 2024 Accepting new patients
Victoria Emergency Associates LLC Emergency Medicine CurrentSince Jul 1, 2022 Accepting new patients
Methodist University Emergency Physicians PLLC Emergency Medicine CurrentSince Sep 1, 2024 Accepting new patients
Emergency Associates of Central Texas PA Emergency Medicine CurrentSince Jun 1, 2023 Accepting new patients
Victoria Emergency Partners LLC Emergency Medicine CurrentSince Jun 23, 2022 Accepting new patients
Longhorn Emergency Medical Associates PA Emergency Medicine CurrentSince Feb 1, 2024 Accepting new patients
Northwest HBP Medical Services LLC Emergency Medicine CurrentSince Jan 15, 2025 Accepting new patients

Locations (25 of 31)

6200 N La Cholla Blvd
Tucson, AZ 85741
Phone (520) 229-2657

3960 New Covington Pike
Memphis, TN 38128
Phone (901) 516-5200

1265 Union Ave
Memphis, TN 38104
Phone (901) 516-2362

1300 Wesley Dr
Memphis, TN 38116
Phone (901) 516-3700

7691 Poplar Ave
Memphis, TN 38138
Phone (901) 516-1290

1501 S Coulter St
Amarillo, TX 79106
Phone (800) 354-1150

8960 Hillside Rd
Amarillo, TX 79119
Phone (806) 351-6987

4207 W Amarillo Blvd
Amarillo, TX 79106
Phone (806) 351-7850

4121 S Georgia St
Amarillo, TX 79110
Phone (561) 203-0611

919 E 32nd St
Austin, TX 78705
Phone (512) 343-2466

7900 Ranch Road 1826
Austin, TX 78737
Phone (512) 324-5305

1040 W Jefferson St
Brownsville, TX 78520
Phone (956) 423-4589

225 E Parkwood Ave
Friendswood, TX 77546
Phone (281) 549-9400

1110 N Sarah Dewitt Dr
Gonzales, TX 78629
Phone (830) 672-3845

2615 Southwest Fwy
Ste 140
Houston, TX 77098
Phone (713) 441-2779

1275 Marvin Hancock Dr
Jasper, TX 75951
Phone (409) 384-1951

2201 Clear Creek Rd
Killeen, TX 76549
Phone (254) 519-8185

850 W Central Texas Expy
Killeen, TX 76548
Phone (254) 690-0900

6001 Kyle Pkwy
Kyle, TX 78640
Phone (512) 504-5000

1310 E League City Pkwy
League City, TX 77573
Phone (346) 427-5050

2901 4th St
Longview, TX 75605
Phone (281) 371-1800

11525 Broadway St
Pearland, TX 77584
Phone (713) 363-8020

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

3600 Gates Blvd
Port Arthur, TX 77642
Phone (409) 985-7431

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

Interoperability endpoints

  • Direct secure messaging: ohasbunavalos865941@ahs.direct-ci.com

Organizations & group practices 15

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.

View all 15

Hospital & facility affiliations 5

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": "1521763200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1745193600000",
    "number": "1104320019",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5900 BALCONES DR STE 100",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787314298",
            "telephone_number": "512-333-2385"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5900 BALCONES DR STE 100",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787314298",
            "telephone_number": "512-333-2385"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "6200 N La Cholla Blvd",
            "address_purpose": "LOCATION",
            "city": "Tucson",
            "state": "AZ",
            "postal_code": "857413529",
            "country_code": "US",
            "telephone_number": "520-742-9000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HASBUN AVALOS",
        "first_name": "OSWALDO",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-03-23",
        "last_updated": "2025-04-21",
        "certification_date": "2025-04-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "TX",
            "license": "T7941",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Austin, TX

Sources for this page

Verify at the official NPI Registry.