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

Da Song

Individual provider Mental Health Counselor · NPI 1740074822

Da Song is a Mental Health Counselor in Castro Valley, California. Licensed in California. Registered with an NPI since 2025.

Licensed in
CA
In the registry since
2025
Specialties on file
2

Practice location PO Box

The provider listed a PO Box rather than a street location, so this is not a walk-in address.

PO Box 20759
Castro Valley, CA 94546-8759
Phone: (510) 213-0938
Show map & directions

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

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 143305 (CA)
Mental Health Counselor Taxonomy 101YM0800X · Licence 15311 (CA)

Record details

NPI number1740074822
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedApril 5, 2025
Last updated in NPPESApril 10, 2025
Certification dateApril 10, 2025
Mailing addressPo Box 20759, Castro Valley, CA 94546-8759

Other providers in Castro Valley