Active NPI
Hwarang Stephen Han, DO
- Nephrology Physician
- Austin, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Nephrology Physician
- License
- T2878
- Practice address
- 1500 Red River St Ste 11006
Austin, TX 78701-1918 - Phone
- (512) 324-7930
- NPI assigned
- Apr 30, 2015
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Nephrology Physician | 207RN0300X | T2878 | TX | Primary |
| Nephrology Physician | 207RN0300X | 20A15603 | CA | |
| Internal Medicine Physician | 207R00000X | 5985 | OK |
Addresses
Primary practice location
1500 Red River St Ste 11006
Austin, TX 78701-1918
Mailing address
1500 Red River St Ste 11006
Austin, TX 78701-1918
Phone (512) 324-7930
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA, TX
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Nephrology
- Education
- Oklahoma State University College of Osteopathic Medicine, 2015
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1400 N Ih 35
Austin, TX 78701-1926
1400 N Ih 35 LL
Cl400 Tri County Prac Assoc
Austin, TX 78701-1926
Phone (512) 324-7300
1500 Red River St
Austin, TX 78701-1918
Phone (512) 324-7000
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 5985 | OK | MD | Internal Medicine Physician |
| 20A15603 | CA | MD | Nephrology Physician |
| T2878 | TX | MD | Nephrology Physician |
| 15603 | CA | MD | Speech-Language Pathologist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Regents of the University of California | Internal Medicine | Current | Accepting new patients |
| University of Texas Southwestern Medical Center at Dallas | Current | Accepting new patients | |
| University of California San Francisco | Current | Accepting new patients | |
| The University of Texas Southwestern Medical Center at Dallas | Current | Accepting new patients | |
| UCSF Medical Group Business Services | Internal Medicine | Current | Accepting new patients |
| University of California San Francisco | Current | Accepting new patients | |
| Seton Family of Doctors | Internal Medicine | Current | Accepting new patients |
| Seton Family of Doctors | Current | Accepting new patients | |
| University of Texas Southwestern Medical Center at Dallas | Internal Medicine | Current | Accepting new patients |
| University of California San Francisco | Internal Medicine | Current | Accepting new patients |
| UCSF Medical Group Business Services | Current | Accepting new patients | |
| Ascension Seton | Past | Accepting new patients |
Locations
3333 California St
San Francisco, CA 94118
Phone (415) 514-3577
533 Parnassus Ave
Ste 2300
San Francisco, CA 94143
400 Parnassus Ave
#A632
San Francisco, CA 94143
Phone (415) 473-1000
505 Parnassus Ave
San Francisco, CA 94143
Phone (415) 476-9058
2330 Post St
San Francisco, CA 94115
Phone (415) 502-4444
1500 Red River St
Ste 11006
Austin, TX 78701
Phone (512) 324-7930
1400 N Interstate 35
Ste 300
Austin, TX 78701
Phone (512) 324-8300
2201 Inwood Rd
Dallas, TX 75235
Phone (214) 645-2563
6201 Harry Hines Blvd
Dallas, TX 75235
Phone (214) 633-4700
3000 N Interstate 35
Denton, TX 76201
Phone (469) 303-3591
3621 22nd St
Ste 400
Lubbock, TX 79410
Phone (806) 791-8484
11937 US Highway 271
Tyler, TX 75708
Phone (903) 877-3451
Organizations & group practices 12
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.
-
- Anesthesiology Physician
- Dallas, TX
- NPI 1942270566
-
dba UCSF Dept of Medicine General Medicine
- Internal Medicine Physician
- San Francisco, CA
- NPI 1760552343
-
- Internal Medicine Physician
- San Francisco, CA
- NPI 1477624104
-
dba UCSF Pediatrics Group
- Pediatrics Physician
- San Francisco, CA
- NPI 1861578973
-
dba Ascension Texas Imaging
- Radiology Clinic/Center
- Austin, TX
- NPI 1275290694
-
- Clinical Medical Laboratory
- Dallas, TX
- NPI 1396832713
-
- Internal Medicine Physician
- El Paso, TX
- NPI 1235384199
-
dba UCSF Orthotic and Prosthetic Center - Gateway Medical Building
- Health Service Clinic/Center
- San Francisco, CA
- NPI 1194115246
-
dba UCSF Medical Center
- Internal Medicine Physician
- San Francisco, CA
- NPI 1164512851
-
dba UCSF Outpatient Pharmacy at Parnassus
- Community/Retail Pharmacy
- San Francisco, CA
- NPI 1659141711
-
dba Ascension Seton Smithville
- Medicare Defined Swing Bed Hospital Unit
- Smithville, TX
- NPI 1598590101
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Dell Seton Medical Center at the University of Texas
- General Acute Care Hospital
- Austin, TX
- NPI 1093810327
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1430352000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1778716800000",
"number": "1740667534",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1500 RED RIVER ST STE 11006",
"city": "AUSTIN",
"state": "TX",
"postal_code": "787011918",
"telephone_number": "512-324-7930",
"fax_number": "833-340-0748"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1500 RED RIVER ST STE 11006",
"city": "AUSTIN",
"state": "TX",
"postal_code": "787011918",
"telephone_number": "512-324-7930"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HAN",
"first_name": "HWARANG",
"middle_name": "STEPHEN",
"credential": "DO",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2015-04-30",
"last_updated": "2026-05-14",
"certification_date": "2026-05-14",
"status": "A"
},
"taxonomies": [
{
"code": "207RN0300X",
"taxonomy_group": "",
"desc": "Internal Medicine, Nephrology",
"state": "TX",
"license": "T2878",
"primary": true
},
{
"code": "207RN0300X",
"taxonomy_group": "",
"desc": "Internal Medicine, Nephrology",
"state": "CA",
"license": "20A15603",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "OK",
"license": "5985",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Austin, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 14, 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.