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 provides Clinical Social Worker services 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.

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Practice location Address checks out

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

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