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

MS. Sonja Christine Schaefer

Individual provider Counselor · NPI 1710382684

MS. Sonja Christine Schaefer is a Counselor in Tustin, California. Registered with an NPI since 2014.

In the registry since
2014

Practice location Address checks out

18302 Irvine Blvd Ste 300
Tustin, CA 92780-3437
Phone: (714) 881-8656
Fax: (510) 317-1144
Show map & directions

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

Specialties & licences

Counselor (primary) Taxonomy 101Y00000X

Record details

NPI number1710382684
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedNovember 4, 2014
Last updated in NPPESNovember 4, 2014

Other providers in Tustin