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

Alexa Walthall, PHD

Individual provider Psychologist · NPI 1316420607

Alexa Walthall, PHD is a Psychologist in Rancho Santa Margarita, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2018
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

29863 Santa Margarita Pkwy Ste 100
Rancho Santa Margarita, CA 92688-3625
Phone: (949) 713-3188
Fax: (949) 713-3189
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY21939 (CA)

Record details

NPI number1316420607
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedSeptember 12, 2018
Last updated in NPPESSeptember 12, 2018

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