Active NPI
Austin Hajna, PA
- Physician Assistant
- Lakeway, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- PA14900
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | ahajna1477001@direct.sw.org | Direct |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in DC, TX
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 2
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
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
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Dimensions Healthcare Associates Inc | Current | Accepting new patients | |
| Scott and White Clinic | Current | Accepting new patients | |
| Scott & White Clinic | Current | Accepting new patients | |
| Scott & White Clinic | Current | Accepting new patients | |
| Dimensions Health Associates Dba University of Maryland Capital Region | Current | 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
- 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.
-
dba Baylor Scott & White Clinic - Temple
- Internal Medicine Physician
- Temple, TX
- NPI 1093779704
-
- Pediatrics Physician
- Houston, TX
- NPI 1861675506
-
dba PGHC Anesthesia Associates
- Anesthesiology Physician
- Largo, MD
- NPI 1346354834
DC
-
- Internal Medicine Physician
- Dallas, TX
- NPI 1649820796
-
- Radiation Oncology Physician
- Waxahachie, TX
- NPI 1821475153
-
dba University of Maryland Capital Region Health Medical Group
- Internal Medicine Physician
- Oxon Hill, MD
- NPI 1407486293
-
dba University of Maryland Capital Region Health Medical Group
- Critical Care Medicine (Internal Medicine) Physician
- Laurel, MD
- NPI 1386706562
-
dba Baylor Scott & White Medical Center - Taylor
- Emergency Medicine Physician
- Taylor, TX
- NPI 1659366557
-
dba Texas Children's Hospital North Austin Campus
- Children's Hospital
- Austin, TX
- NPI 1194507947
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Baylor Scott & White Medical Center - Austin
- General Acute Care Hospital
- Austin, TX
- NPI 1902366305
-
dba Baylor Scott & White Institute for Rehabilitation - Lakeway
- Rehabilitation Hospital
- Lakeway, TX
- NPI 1851889463
Inpatient rehabilitation facility
-
dba Baylor Scott & White Medical Center - Round Rock
- General Acute Care Hospital
- Round Rock, TX
- NPI 1265568638
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 25, 2025; 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.