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

Dr. Sonja Houston, PSYD

Individual provider Health Service Psychologist · NPI 1063875854

Dr. Sonja Houston, PSYD is a Health Service Psychologist in Merced, California. Registered with an NPI since 2016.

In the registry since
2016
Specialties on file
2
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

See every abbreviation used in this directory →

Practice location Address checks out

535 W 26th St
Merced, CA 95340-2825
Phone: (209) 947-0494
Show map & directions

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

Specialties & licences

Community Health Worker (primary) Taxonomy 172V00000X
Health Service Psychologist Taxonomy 103TH0100X

Record details

NPI number1063875854
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorNo
NPI enumeratedMarch 30, 2016
Last updated in NPPESJanuary 17, 2024
Certification dateJanuary 16, 2024