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

Margaret R Tess, PHD

Individual provider Clinical Psychologist · NPI 1306872502

Margaret R Tess, PHD is a Clinical Psychologist in El Cajon, California. Qualified in 1992, 34 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
34
Licensed in
CA
In the registry since
2006
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

500 Fesler St Ste 205
El Cajon, CA 92020-1946
Phone: (619) 579-9346
Fax: (619) 579-9304
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY14628 (CA)

Record details

NPI number1306872502
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedJune 23, 2006
Last updated in NPPESSeptember 20, 2011

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1992 (34 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in El Cajon