Individual provider Active NPI

Austin Hajna, PA

  • Physician Assistant
  • Lakeway, TX
National Provider Identifier
1003485806
Registry record updated Nov 25, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
PA14900 Issued in TX
Practice address
200 Medical Pkwy Ste 130
Lakeway, TX 78738-1790
Phone
(512) 654-2300
NPI assigned
Jun 24, 2021
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 25, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X PA14900 TX Primary

Addresses

Primary practice location

200 Medical Pkwy Ste 130
Lakeway, TX 78738-1790

Mailing address

PO Box 844658
Dallas, TX 75284-4658
Phone (800) 994-0371

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address ahajna1477001@direct.sw.org Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC, TX2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20211008002238 DC Practitioner - Physician Assistant 4385042118 Reassigns benefits to 1 organization
I20240610000862 TX Practitioner - Physician Assistant 4385042118 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Scott and White ClinicGroup PAC ID 8123923604, 2,426 clinicians

Practice addresses (Care Compare)

100 Medical Pkwy
Lakeway, TX 78738-5621
Phone (512) 571-5000

1701 E Pflugerville Pkwy
Baylor Scott and White Clinic Pflug
Pflugerville, TX 78660-8990
Phone (512) 259-6000

200 E Cesar Chavez St
G140 Baylor Scott and White Clinic Austi
Austin, TX 78701-4289
Phone (512) 654-4100

200 Medical Pkwy
Lakeway, TX 78738-1794

3108 Ranch Rd 620
Lakeway, TX 78738-5635
Phone (512) 654-4200

5245 W Hwy 290
Baylor Scott and White Medical Center Austi
Austin, TX 78735-8963
Phone (512) 654-2100

5251 W Hwy 290
Baylor Scott and White Clinic Austin Oak Hi
Austin, TX 78735-8963
Phone (512) 654-3000

5251 W Hwy 290 100
Baylor Scott and White Cancer and Infusion Ce
Austin, TX 78735-8963
Phone (512) 654-4319

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Dimensions Healthcare Associates Inc CurrentSince Aug 26, 2021 Accepting new patients
Scott and White Clinic CurrentSince Aug 13, 2025 Accepting new patients
Scott & White Clinic Current Accepting new patients
Scott & White Clinic CurrentSince Aug 13, 2025 Accepting new patients
Dimensions Health Associates Dba University of Maryland Capital Region CurrentSince Aug 26, 2021 Accepting new patients
Scott & White Hospital - Taylor Past Accepting new patients
Texas Children's Hospital Past Accepting new patients

Locations

2900 Mercy Ln
Cheverly, MD 20785
Phone (301) 618-2010

900 Elkridge Landing Rd
Fl 2
Linthicum Heights, MD 21090
Phone (443) 462-5010

901 Harry S Truman Dr N
Uppr Marlboro, MD 20774
Phone (240) 677-0021

101 Lafferty Ave
Cameron, TX 76520
Phone (254) 605-1100

200 Medical Pkwy
Ste 130
Lakeway, TX 78738
Phone (512) 654-2300

1701 E Pflugerville Pkwy
Pflugerville, TX 78660
Phone (512) 259-6000

2401 S 31st St
Temple, TX 76508
Phone (254) 724-2459

Interoperability endpoints

  • Direct secure messaging: ahajna836667@direct.umm.edu

Organizations & group practices 9

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

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": "1624492800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764028800000",
    "number": "1003485806",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 844658",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752844658",
            "telephone_number": "800-994-0371"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 MEDICAL PKWY STE 130",
            "city": "LAKEWAY",
            "state": "TX",
            "postal_code": "787381790",
            "telephone_number": "512-654-2300"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAJNA",
        "first_name": "AUSTIN",
        "credential": "PA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-06-24",
        "last_updated": "2025-11-25",
        "certification_date": "2025-11-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "TX",
            "license": "PA14900",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ahajna1477001@direct.sw.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "200 Medical Pkwy Ste 130",
            "city": "Lakeway",
            "state": "TX",
            "country_code": "US",
            "postal_code": "787381790",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Lakeway, TX

Sources for this page

Verify at the official NPI Registry.