IndividualActive
Sida Fang
NPI 1255210985 · Addiction (Substance Use Disorder) Psychologist · Redwood City, CA
Provider details
- NPI number
- 1255210985
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) PsychologistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(47/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% 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
1779 Woodside Rd Ste 200
Redwood City, CA 94061-3438
Phone: (650) 424-0854
Street-level locationGet directions
Mailing address
1779 Woodside Rd Ste 200
Redwood City, CA 94061-3438
Registry dates
- Enumerated
- 2025-08-27
- Last updated
- 2025-08-27
- Certified
- 2025-08-27
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.