Active NPI
Keyside Therapy PLLC
- Professional Counselor
- Austin, TX
National Provider Identifier
1447154364
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Professional Counselor
- Legal business name
- KEYSIDE THERAPY PLLC
- Practice address
- 1521 Payton Falls Dr
Austin, TX 78754-5814 - Phone
- (301) 820-2229
- NPI assigned
- Oct 5, 2026
- Last updated
- Oct 5, 2026
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Mr. Thomas Dyer Stephan Jr., MED
- Title
- Owner
- Phone
- (301) 820-2229
Authorized official NPPES reports the official by name only. The link goes to the one practitioner with that name whose NPPES practice address or phone number is this organization’s.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Professional Counselor | 101YP2500X | NU | Primary |
Addresses
Primary practice location
1521 Payton Falls Dr
Austin, TX 78754-5814
Mailing address
5900 Balcones Dr Ste 100
Austin, TX 78731-4298
Phone (301) 820-2229
Practitioners & affiliated clinicians
Practitioners 1
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Marriage & Family Therapist
- Austin, TX
- NPI 1679345136
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1791158400000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1791158400000",
"number": "1447154364",
"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": "301-820-2229"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1521 PAYTON FALLS DR",
"city": "AUSTIN",
"state": "TX",
"postal_code": "787545814",
"telephone_number": "301-820-2229"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "KEYSIDE THERAPY PLLC",
"organizational_subpart": "NO",
"enumeration_date": "2026-10-05",
"last_updated": "2026-10-05",
"certification_date": "2026-10-05",
"status": "A",
"authorized_official_last_name": "STEPHAN",
"authorized_official_first_name": "THOMAS",
"authorized_official_middle_name": "DYER",
"authorized_official_title_or_position": "OWNER",
"authorized_official_telephone_number": "301-820-2229",
"authorized_official_name_prefix": "Mr.",
"authorized_official_name_suffix": "Jr.",
"authorized_official_credential": "MED"
},
"taxonomies": [
{
"code": "101YP2500X",
"taxonomy_group": "",
"desc": "Counselor, Professional",
"state": "NU",
"license": null,
"primary": true
}
],
"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 Oct 5, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.