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SIDA FANG
NPI 1255210985
Psychologist - Addiction (Substance Use Disorder) in Redwood City, CA

Active since August 27, 2025
1779 WOODSIDE RD STE 200, REDWOOD CITY, CA 94061(650) 424-0854 Get Directions Write a Review

NPPES record last updated: August 27, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Sida Fang NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SIDA FANG (NPI 1255210985) is an individual addiction (substance use disorder) provider in Redwood City, California and active in the NPI registry since August 2025.

NPPES Registry Identity

NPI1255210985
Entity TypeIndividualMale
Primary Taxonomy103TA0400X
Provider Legal NameSIDA FANG
Location Address1779 WOODSIDE RD STE 200Redwood City, CA 94061-3438
Mailing Address1779 Woodside Rd Ste 200Redwood City, CA 94061-3438 · (650) 424-0854
Phone(650) 424-0854
Sole ProprietorNo
Enumeration DateAugust 27, 2025
NPPES CertifiedAugust 27, 2025
✔ NPI 1255210985 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code103TA0400X
Definition
A psychologist with a proficiency that involves the application of psychological treatment of addiction stemming from the use of alcohol and other psychoactive substances (e.g., nicotine, marijuana, cocaine, heroin) or behavioral addictions (e.g., gambling) with the aim of cessation or reduction of use and/or the amelioration of emotional, behavioral, interpersonal and other problems arising from the addictive behavior.
1779 WOODSIDE RD STE 200, Redwood City, CA 94061
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Other Names 1

Professional Name (2)Will Fang

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TAYLOR DICHSEN
Psychologist (Clinical)
1779 WOODSIDE RD STE 200
REDWOOD CITY, CA 94061
San Mateo County (650) 424-0852
MARIANA TREJO HERREJON
Counselor (Mental Health)
1779 WOODSIDE RD STE 200
REDWOOD CITY, CA 94061
San Mateo County (650) 424-0852
RUTH ELIZABETH HARRIS
Marriage & Family Therapist
1779 WOODSIDE RD STE 200
REDWOOD CITY, CA 94061
San Mateo County (650) 424-0852
MAEVE ELISABETH PHELAN
Marriage & Family Therapist
1779 WOODSIDE RD STE 200
REDWOOD CITY, CA 94061
San Mateo County (650) 424-0852
SAPNA SINGH
Counselor
1779 WOODSIDE RD STE 200
REDWOOD CITY, CA 94061
San Mateo County (650) 424-0852
ANDREA RAQUEL DELARIYALA MS
Counselor (Mental Health)
1779 WOODSIDE RD STE 200
REDWOOD CITY, CA 94061
San Mateo County (650) 424-0852
KELSEY MOON MS
Counselor (Mental Health)
1779 WOODSIDE RD STE 200
REDWOOD CITY, CA 94061
San Mateo County (650) 424-0852
MADISON AIYANA REYNA
Student in an Organized Health Care Education/Training Program
1779 WOODSIDE RD STE 200
REDWOOD CITY, CA 94061
San Mateo County (650) 424-0852

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sida Fang's NPI number?

The NPI number for Sida Fang is 1255210985. It was assigned to this individual provider in the NPPES registry on August 27, 2025. The provider is also known as Will Fang.

Where is Sida Fang located?

Sida Fang practices at 1779 Woodside Rd Ste 200, Redwood City, CA 94061. The listed phone number is (650) 424-0854.

What is Sida Fang's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Addiction (Substance Use Disorder), with taxonomy code 103TA0400X.

When was this NPI record last updated?

The NPPES record for Sida Fang was last updated on August 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.