John Tan
NPI 1669284865 · Student in an Organized Health Care Education/Training Program · Los Angeles, CA
John Tan is a Student in an Organized Health Care Education/Training Program provider in Los Angeles, CA (NPI 1669284865).
Provider details
- NPI number
- 1669284865
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
83% 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
- 2025-01-23
- Last updated
- 2026-03-20
- Certified
- 2026-03-20
Frequently asked questions
- What is John Tan's NPI number?
- John Tan's National Provider Identifier (NPI) is 1669284865, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Tan's specialty?
- John Tan is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is John Tan located?
- John Tan's practice location on file with NPPES is 1200 N State St, Los Angeles, CA 90089-1001.
- What is John Tan's phone number?
- The practice phone number listed in the NPPES registry for John Tan is (323) 409-1000.
- Is John Tan's NPI active?
- Yes — John Tan's NPI (1669284865) is active in the NPPES registry as of the last update on 2026-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.