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

Individual provider Clinical Psychologist · NPI 1104032077

Dr. Barbara Witlin Guggenheim, PHD is a Clinical Psychologist in Los Angeles, 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.

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Practice location Address checks out

11726 San Vicente Blvd Ste 680
Los Angeles, CA 90049-5049
Phone: (310) 820-8655
Fax: (310) 471-3346
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY4479 (CA)

Record details

NPI number1104032077
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedMay 15, 2007
Last updated in NPPESJuly 8, 2007

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