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

Dr. Heidi Gay Joffrion, PSYD, MFT

Individual provider Clinical Psychologist · NPI 1508060757

Dr. Heidi Gay Joffrion, PSYD, MFT is a Marriage and Family Therapist in Fontana, California. Qualified in 1993, 33 years ago. Practices with Southern California Permanente Medical Group, an 11,242-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
33
Licensed in
CA
In the registry since
2007
Specialties on file
2
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.
MFT — Marriage and Family Therapist
A therapist who treats couples and families.

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Practice location Address checks out

9310 Sierra Ave
Fontana, CA 92335-5711
Phone: (909) 427-3700
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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 PSY14575 (CA)
Marriage & Family Therapist Taxonomy 106H00000X · Licence MFC29266 (CA)

Record details

NPI number1508060757
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD , MFT
Sole proprietorNo
NPI enumeratedJune 12, 2007
Last updated in NPPESSeptember 11, 2025

Medicare enrollment

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

Medicare specialtyMARRIAGE AND FAMILY THERAPIST
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Group practice Southern California Permanente Medical Group — 11242 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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