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

Gaius C. Steiner, Inc a Psychological Corporation

Organization Clinical Psychologist · NPI 1962536318

Gaius C. Steiner, Inc a Psychological Corporation is a Clinical Psychologist in Hacienda Heights, California. Registered with an NPI since 2007.

In the registry since
2007
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

16977 Flower Vale Ln Ste 104
Hacienda Heights, CA 91745
Phone: (626) 336-1292
Fax: (626) 333-1834
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X

Record details

NPI number1962536318
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Gaius Steiner — Direct Owner · (626) 336-1292
Other names Hacienda Psychological Services
NPI enumeratedMarch 16, 2007
Last updated in NPPESAugust 26, 2010
Mailing address16977 Flower Vale Lane, Ste. 104, Hacienda Heights, CA 91745