Amanda Tjan
NPI 1609667401 · Student in an Organized Health Care Education/Training Program · Pomona, CA
Amanda Tjan is a Student in an Organized Health Care Education/Training Program provider in Pomona, CA (NPI 1609667401).
Provider details
- NPI number
- 1609667401
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Sex
- Female
- 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
- 2025-05-13
- Last updated
- 2025-05-13
- Certified
- 2025-05-13
Frequently asked questions
- What is Amanda Tjan's NPI number?
- Amanda Tjan's National Provider Identifier (NPI) is 1609667401, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Amanda Tjan's specialty?
- Amanda Tjan 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 Amanda Tjan located?
- Amanda Tjan's practice location on file with NPPES is 309 E 2nd St, Pomona, CA 91766-1854.
- What is Amanda Tjan's phone number?
- The practice phone number listed in the NPPES registry for Amanda Tjan is (909) 469-4489.
- Is Amanda Tjan's NPI active?
- Yes — Amanda Tjan's NPI (1609667401) is active in the NPPES registry as of the last update on 2025-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.