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

Marcus Marquez

Individual provider Marriage & Family Therapist · NPI 1396343711

Marcus Marquez is a Marriage and Family Therapist in Fontana, California. Qualified in 2021, 5 years ago. Practices with Southern California Permanente Medical Group, an 11,242-clinician group and accepts Medicare assignment.

Years since qualifying
5
In the registry since
2020
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Practice location Address checks out

9961 Sierra Ave
Fontana, CA 92335-6720
Phone: (866) 205-3595
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X

Record details

NPI number1396343711
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedOctober 16, 2020
Last updated in NPPESAugust 7, 2026
Certification dateAugust 7, 2026

Medicare enrollment

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

Medicare specialtyMARRIAGE AND FAMILY THERAPIST
Medical schoolOTHER
Graduated 2021 (5 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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