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

Dr. Shelli Jackson, PHD

Individual provider Clinical Psychologist · NPI 1326492026

Dr. Shelli Jackson, PHD is a Clinical Psychologist in San Marcos, California. Qualified in 2019, 7 years ago. Practices with The Halliday Center for Psychotherapy and Wellness, Inc, a 10-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
7
Licensed in
CA
In the registry since
2016
Specialties on file
5
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

979 Woodland Pkwy Ste 101-48
San Marcos, CA 92069-2220
Phone: (760) 505-6665
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 32087 (CA)
Clinical Psychologist Taxonomy 103TC0700X · Licence 32087 (CA)
Cognitive & Behavioral Psychologist Taxonomy 103TB0200X · Licence 32087 (CA)
Health Psychologist Taxonomy 103TH0004X · Licence 32087 (CA)
Group Psychotherapy Psychologist Taxonomy 103TP2701X · Licence 32087 (CA)

Record details

NPI number1326492026
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedApril 19, 2016
Last updated in NPPESSeptember 27, 2020
Certification dateSeptember 27, 2020

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice The Halliday Center For Psychotherapy And Wellness, Inc — 10 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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