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

Jonathan Sills, PHD

Individual provider Clinical Psychologist · NPI 1134454663

Jonathan Sills, PHD is a Clinical Psychologist in Palo Alto, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2009
Specialties on file
3
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

3801 Miranda Ave Psychology Service (116B)
Palo Alto, CA 94304-1207
Phone: (650) 493-5000
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY23051 (CA)
Health Psychologist Taxonomy 103TH0004X
Rehabilitation Psychologist Taxonomy 103TR0400X

Record details

NPI number1134454663
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedOctober 16, 2009
Last updated in NPPESOctober 16, 2009

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