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

MS. Mary Kay O'Connor, MFT

Individual provider Mental Health Counselor · NPI 1881750545

MS. Mary Kay O'Connor, MFT is a Mental Health Counselor in Fullerton, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MFT — Marriage and Family Therapist
A therapist who treats couples and families.

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Practice location Address checks out

2131 Victoria Dr
Fullerton, CA 92831-2133
Phone: (714) 206-3900
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 20293 (CA)

Record details

NPI number1881750545
Entity typeIndividual (Type 1)
GenderFemale
Credentials MFT
Sole proprietorYes
NPI enumeratedDecember 28, 2006
Last updated in NPPESMarch 12, 2026
Certification dateMarch 12, 2026

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