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

Matthew Garrett Ong, MFT

Individual provider Marriage & Family Therapist · NPI 1972736379

Matthew Garrett Ong, MFT is a Marriage & Family Therapist in Oakland, California. Works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2009
What do these letters mean?
MFT — Marriage and Family Therapist
A therapist who treats couples and families.

See every abbreviation used in this directory →

Practice location Address checks out

5275 Claremont Ave
Oakland, CA 94618-1032
Phone: (510) 428-3885
Fax: (510) 601-3913
Show map & directions

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

Additional practice locations (1)

  • 770 53rd St, Oakland, CA 94609-1814 — (510) 428-3885

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence MFT85039 (CA)

Record details

NPI number1972736379
Entity typeIndividual (Type 1)
GenderMale
Credentials MFT
Sole proprietorNo
NPI enumeratedSeptember 1, 2009
Last updated in NPPESJuly 16, 2026
Certification dateJuly 16, 2026

Other providers in Oakland