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

Dr. Gary R. Lewis, PHD

Individual provider Clinical Psychologist · NPI 1871630160

Dr. Gary R. Lewis, PHD is a Clinical Psychologist in San Diego, California. Qualified in 1988, 38 years ago. Practices with Mellow Medical Inc a Professional Corporation, a 30-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
38
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

8686 Capricorn Way
San Diego, CA 92126-1851
Phone: (858) 695-9535
Fax: (858) 549-7057
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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 PSY 14349 (CA)

Record details

NPI number1871630160
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 30, 2007
Last updated in NPPESJuly 29, 2021
Certification dateJuly 29, 2021

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1988 (38 years in practice)
Group practice Mellow Medical Inc A Professional Corporation — 30 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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