Diana Nguyen
NPI 1811401995 · Marriage & Family Therapist · San Jose, CA
Diana Nguyen is a Marriage & Family Therapist provider in San Jose, CA (NPI 1811401995).
Provider details
- NPI number
- 1811401995
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 139278 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Case Manager/Care Coordinator171M00000X
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 438 N White RdSan Jose, CA 95127-1439Phone: (408) 254-6828
Registry dates
- Enumerated
- 2017-11-28
- Last updated
- 2023-06-20
- Certified
- 2023-06-20
Frequently asked questions
- What is Diana Nguyen's NPI number?
- Diana Nguyen's National Provider Identifier (NPI) is 1811401995, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Nguyen's specialty?
- Diana Nguyen is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Diana Nguyen located?
- Diana Nguyen's practice location on file with NPPES is 1245 E Santa Clara St, San Jose, CA 95116-2337.
- What is Diana Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Diana Nguyen is (669) 225-6926.
- Is Diana Nguyen's NPI active?
- Yes — Diana Nguyen's NPI (1811401995) is active in the NPPES registry as of the last update on 2023-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.