Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Gwyneth Kerr Erwin, PHD, PSYD

Individual provider Psychoanalyst · NPI 1255582870

Dr. Gwyneth Kerr Erwin, PHD, PSYD is a Psychoanalyst in Tustin, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2008
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

250 W Main St Ste 203
Tustin, CA 92780-7724
Phone: (714) 508-0804
Fax: (714) 543-6094
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychoanalyst (primary) Taxonomy 102L00000X · Licence RP 0070 (CA)

Record details

NPI number1255582870
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD , PSYD
Sole proprietorYes
NPI enumeratedOctober 1, 2008
Last updated in NPPESOctober 1, 2008

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