Da Song
NPI 1740074822 · Marriage & Family Therapist · Castro Valley, CA
Da Song is a Marriage & Family Therapist provider in Castro Valley, CA (NPI 1740074822).
Provider details
- NPI number
- 1740074822
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 15311 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-04-05
- Last updated
- 2025-04-10
- Certified
- 2025-04-10
Frequently asked questions
- What is Da Song's NPI number?
- Da Song's National Provider Identifier (NPI) is 1740074822, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Da Song's specialty?
- Da Song is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Da Song located?
- Da Song's practice location on file with NPPES is Po Box 20759, Castro Valley, CA 94546-8759.
- What is Da Song's phone number?
- The practice phone number listed in the NPPES registry for Da Song is (510) 213-0938.
- Is Da Song's NPI active?
- Yes — Da Song's NPI (1740074822) is active in the NPPES registry as of the last update on 2025-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.