Active NPI
Shant Stephanian, DO
- Student in an Organized Health Care Education/Training Program
- San Mateo, CA
National Provider Identifier
1992492375
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Student in an Organized Health Care Education/Training Program
- Practice address
- 50 S San Mateo Dr
San Mateo, CA 94401-3857 - Phone
- (650) 652-8370
- NPI assigned
- Apr 18, 2023
- 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 |
|---|---|---|---|---|
| Student in an Organized Health Care Education/Training Program | 390200000X | CA | Primary |
Addresses
Primary practice location
50 S San Mateo Dr
San Mateo, CA 94401-3857
Mailing address
50 S San Mateo Dr
San Mateo, CA 94401-3857
Phone (650) 652-8370
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Doctor of Osteopathy
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1681776000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1782086400000",
"number": "1992492375",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "50 S SAN MATEO DR",
"city": "SAN MATEO",
"state": "CA",
"postal_code": "944013857",
"telephone_number": "650-652-8370"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "50 S SAN MATEO DR",
"city": "SAN MATEO",
"state": "CA",
"postal_code": "944013857",
"telephone_number": "650-652-8370"
}
],
"practiceLocations": [],
"basic": {
"last_name": "STEPHANIAN",
"first_name": "SHANT",
"credential": "DO",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2023-04-18",
"last_updated": "2026-06-22",
"certification_date": "2026-06-22",
"status": "A"
},
"taxonomies": [
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": "CA",
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in San Mateo, CA
- William Joseph Steiner, O.D.
- Stem Cognitive and Psychological Rehabilitation, Inc.
- Dennis Scott Stempler, M.D
- Emily Pauline Stenson
- Kristin Stent, PHD
- Stepping Stones Center for Autistic Spectrum Disorders, Inc,
- Stepping Stones Center for Autistic Spectrum Disorders, Inc.
- Lori Sterling, RN, PHN
- Steve Kinstler Marriage and Family Therapist, Inc.
- Steven Machtinger MD & Associates Inc
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 22, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.