Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Katherine Clair Tristan LCSW PC

Organization Clinical Social Worker · NPI 1326518168

Katherine Clair Tristan LCSW PC is a Clinical Social Worker in San Bernardino, California. Registered with an NPI since 2018.

In the registry since
2018
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

255 N D St Ste 220
San Bernardino, CA 92401-1713
Phone: (951) 823-3498
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X

Record details

NPI number1326518168
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Katherine Tristan — Clinical Therapist · (951) 823-3498
NPI enumeratedDecember 4, 2018
Last updated in NPPESDecember 4, 2018
Mailing address255 N D St Ste 220, San Bernardino, CA 92401-1713

Other providers in San Bernardino