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

Mr. Sean O'Neill, LMFT

Individual provider Marriage & Family Therapist · NPI 1215202304

Mr. Sean O'Neill, LMFT is a Marriage & Family Therapist in Irvine, California. Practices as a sole proprietor and works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2012
What do these letters mean?
LMFT — Licensed Marriage and Family Therapist
A therapist licensed to treat couples and families.

See every abbreviation used in this directory →

Practice location Address checks out

2081 Business Center Dr
Irvine, CA 92612-1119
Phone: (657) 500-1441
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 60 Stepping Stone, Irvine, CA 92603-4206 — (949) 285-6484

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 112879 (CA)

Record details

NPI number1215202304
Entity typeIndividual (Type 1)
GenderMale
Credentials LMFT
Sole proprietorYes
NPI enumeratedMarch 21, 2012
Last updated in NPPESJanuary 13, 2024
Certification dateJanuary 13, 2024

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