Hy Diep
NPI 1053609834 · Psychologist · San Jose, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hy Diep is a Psychologist provider in San Jose, CA (NPI 1053609834).
Provider details
- NPI number
- 1053609834
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY26861 (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
14 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
- 2011-07-14
- Last updated
- 2017-12-01
Frequently asked questions
- What is Hy Diep's NPI number?
- Hy Diep's National Provider Identifier (NPI) is 1053609834, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hy Diep's specialty?
- Hy Diep is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Hy Diep located?
- Hy Diep's practice location on file with NPPES is 2400 Moorpark Ave, San Jose, CA 95128-2631.
- What is Hy Diep's phone number?
- The practice phone number listed in the NPPES registry for Hy Diep is (408) 975-2730.
- Does Hy Diep accept Medicare?
- Hy Diep is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hy Diep's NPI active?
- Yes — Hy Diep's NPI (1053609834) is active in the NPPES registry as of the last update on 2017-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.