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

Andrew Mazer, PHD, MFT

Individual provider Marriage & Family Therapist · NPI 1013074137

Andrew Mazer, PHD, MFT is a Marriage and Family Therapist in Grass Valley, California. Qualified in 1996, 30 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
30
Licensed in
CA
In the registry since
2007
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
MFT — Marriage and Family Therapist
A therapist who treats couples and families.

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Practice location Address checks out

113 Presley Way Ste 4
Grass Valley, CA 95945-5846
Phone: (707) 889-0838
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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 · Licence MFC36379 (CA)

Record details

NPI number1013074137
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD , MFT
Sole proprietorYes
NPI enumeratedJanuary 2, 2007
Last updated in NPPESNovember 14, 2023
Certification dateOctober 17, 2023
Mailing addressPo Box 1453, Cedar Ridge, CA 95924-1453

Medicare enrollment

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

Medicare specialtyMARRIAGE AND FAMILY THERAPIST
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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