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

Dr. Richard G. Holston, PHD

Individual provider Psychoanalyst · NPI 1104048982

Dr. Richard G. Holston, PHD is a Psychoanalyst in Calistoga, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

1731 N Oak St
Calistoga, CA 94515-1118
Phone: (707) 939-9921
Fax: (707) 939-9931
Show map & directions

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

Specialties & licences

Psychoanalyst (primary) Taxonomy 102L00000X · Licence PL60530 (CA)

Record details

NPI number1104048982
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMay 3, 2007
Last updated in NPPESJuly 9, 2007