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

Antoinette Mastronardi

Individual provider Mental Health Counselor · NPI 1700430766

Antoinette Mastronardi is a Marriage and Family Therapist in San Diego, California. Qualified in 2019, 7 years ago. Registered with an NPI since 2019.

Years since qualifying
7
In the registry since
2019

Practice location Address checks out

734 10th Ave
San Diego, CA 92101-6502
Phone: (619) 239-4663
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1700430766
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJuly 29, 2019
Last updated in NPPESJuly 29, 2019

Medicare enrollment

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

Medicare specialtyMARRIAGE AND FAMILY THERAPIST
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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