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Quyen Tiet, PH.D.
NPI 1881789493 · Clinical Psychologist · Los Altos, CA
Quyen Tiet, PH.D. is a Clinical Psychologist provider in Los Altos, CA (NPI 1881789493).
Provider details
- NPI number
- 1881789493
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY18568 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
949 Sherwood Ave
Los Altos, CA 94022-1376
Phone: (650) 906-5134
Street-level locationGet directions
Mailing address
60 S El Monte Ave
Los Altos, CA 94022
Registry dates
- Enumerated
- 2006-10-03
- Last updated
- 2014-02-23
Frequently asked questions
- What is Quyen Tiet's NPI number?
- Quyen Tiet's National Provider Identifier (NPI) is 1881789493, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Quyen Tiet's specialty?
- Quyen Tiet is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Quyen Tiet located?
- Quyen Tiet's practice location on file with NPPES is 949 Sherwood Ave, Los Altos, CA 94022-1376.
- What is Quyen Tiet's phone number?
- The practice phone number listed in the NPPES registry for Quyen Tiet is (650) 906-5134.
- Is Quyen Tiet's NPI active?
- Yes — Quyen Tiet's NPI (1881789493) is active in the NPPES registry as of the last update on 2014-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.