Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Lawrence Feinstein, PHD

Individual provider Clinical Psychologist · NPI 1063855336

Lawrence Feinstein, PHD is a Clinical Psychologist in San Mateo, California. Qualified in 1988, 38 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in California, Florida and Illinois.

Years since qualifying
38
Licensed in
CA, FL, IL
In the registry since
2013
Specialties on file
4
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

226 De Anza Blvd
San Mateo, CA 94402-3913
Phone: (650) 999-0220
Fax: (855) 999-0220
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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 PSY25675 (CA)
Clinical Psychologist Taxonomy 103TC0700X · Licence PY11748 (FL)
Health Psychologist Taxonomy 103TH0004X · Licence PSY25675 (CA)
Clinical Psychologist Taxonomy 103TC0700X · Licence 071-009052 (IL)

Record details

NPI number1063855336
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedApril 16, 2013
Last updated in NPPESFebruary 4, 2026
Certification dateFebruary 4, 2026

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)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients47
Services billed 1,366 a service is one billed item, such as a visit, a test or a procedure
Average patient age70

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Other providers in San Mateo