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

MS. Mary Carol Klein, LCSW

Individual provider Clinical Social Worker · NPI 1417965567

MS. Mary Carol Klein, LCSW is a Clinical Social Worker in Costa Mesa, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Practice location Address checks out

3151 Airway Ave Ste K-240
Costa Mesa, CA 92626-4607
Phone: (714) 957-1234
Fax: (714) 957-1234
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LCS10447 (CA)

Record details

NPI number1417965567
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedAugust 4, 2006
Last updated in NPPESJuly 8, 2007

Other providers in Costa Mesa