Tam Nguyen, PH.D.
NPI 1265787980 · Clinical Psychologist · Palo Alto, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tam Nguyen, PH.D. is a Clinical Psychologist provider in Palo Alto, CA (NPI 1265787980).
Provider details
- NPI number
- 1265787980
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 24495 (CA)
Specialties & taxonomies
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
13 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
- 2012-07-18
- Last updated
- 2020-06-03
- Certified
- 2020-06-03
Frequently asked questions
- What is Tam Nguyen's NPI number?
- Tam Nguyen's National Provider Identifier (NPI) is 1265787980, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tam Nguyen's specialty?
- Tam Nguyen is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Tam Nguyen located?
- Tam Nguyen's practice location on file with NPPES is 795 El Camino Real, Palo Alto, CA 94301-2302.
- What is Tam Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Tam Nguyen is (650) 321-4121.
- Does Tam Nguyen accept Medicare?
- Tam Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tam Nguyen's NPI active?
- Yes — Tam Nguyen's NPI (1265787980) is active in the NPPES registry as of the last update on 2020-06-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.