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
Mailing address18302 Irvine Blvd, Suite 300, Tustin, CA 92780-3437

Other providers in Tustin