Timothy Nguyen, PSYD
NPI 1649606013 · Psychologist · Dublin, CA
Timothy Nguyen, PSYD is a Psychologist provider in Dublin, CA (NPI 1649606013).
Provider details
- NPI number
- 1649606013
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PSYD
- Sex
- Male
- Sole proprietor
- Yes
- License
- LCSW101591 (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
12 yrs 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
- 2013-09-17
- Last updated
- 2026-03-25
- Certified
- 2026-03-25
Frequently asked questions
- What is Timothy Nguyen's NPI number?
- Timothy Nguyen's National Provider Identifier (NPI) is 1649606013, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Nguyen's specialty?
- Timothy Nguyen is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Timothy Nguyen located?
- Timothy Nguyen's practice location on file with NPPES is 11501 Dublin Blvd Ste 200, Dublin, CA 94568.
- What is Timothy Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Timothy Nguyen is (408) 337-2544.
- Is Timothy Nguyen's NPI active?
- Yes — Timothy Nguyen's NPI (1649606013) is active in the NPPES registry as of the last update on 2026-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.