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

Diana Sullivan Everstine, PHD

Individual provider Clinical Psychologist · NPI 1982737870

Diana Sullivan Everstine, PHD is a Clinical Psychologist in Palo Alto, California. Qualified in 1974, 52 years ago. Accepts Medicare assignment. Licensed in California.

Years since qualifying
52
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

555 Middlefield Rd
Palo Alto, CA 94301
Phone: (650) 329-1840
Fax: (408) 342-0617
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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 PSY4771 (CA)

Record details

NPI number1982737870
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedMarch 13, 2007
Last updated in NPPESJuly 8, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1974 (52 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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