Ian Tsang
NPI 1912472580 · Psychologist · San Jose, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ian Tsang is a Psychologist provider in San Jose, CA (NPI 1912472580).
Provider details
- NPI number
- 1912472580
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- PSY35443 (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
7 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
- 2018-10-09
- Last updated
- 2025-12-18
- Certified
- 2025-12-18
Frequently asked questions
- What is Ian Tsang's NPI number?
- Ian Tsang's National Provider Identifier (NPI) is 1912472580, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ian Tsang's specialty?
- Ian Tsang is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Ian Tsang located?
- Ian Tsang's practice location on file with NPPES is 5755 Cottle Rd Bldg 24, San Jose, CA 95123-3600.
- What is Ian Tsang's phone number?
- The practice phone number listed in the NPPES registry for Ian Tsang is (612) 707-5576.
- Does Ian Tsang accept Medicare?
- Ian Tsang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ian Tsang's NPI active?
- Yes — Ian Tsang's NPI (1912472580) is active in the NPPES registry as of the last update on 2025-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.