Diana Chang
NPI 1902546492 · Student in an Organized Health Care Education/Training Program · San Marino, CA
Enrolled with Medicare as Order and Referring Only - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Chang is a Student in an Organized Health Care Education/Training Program provider in San Marino, CA (NPI 1902546492).
Provider details
- NPI number
- 1902546492
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Sex
- Female
- Sole proprietor
- Yes
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
4 yrs 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
- 2022-03-31
- Last updated
- 2022-03-31
- Certified
- 2022-03-31
Frequently asked questions
- What is Diana Chang's NPI number?
- Diana Chang's National Provider Identifier (NPI) is 1902546492, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Chang's specialty?
- Diana Chang 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 Diana Chang located?
- Diana Chang's practice location on file with NPPES is 2125 Roanoke Rd, San Marino, CA 91108-2632.
- What is Diana Chang's phone number?
- The practice phone number listed in the NPPES registry for Diana Chang is (626) 833-2422.
- Does Diana Chang accept Medicare?
- Diana Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Chang's NPI active?
- Yes — Diana Chang's NPI (1902546492) is active in the NPPES registry as of the last update on 2022-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.