Crystal Chang
NPI 1558246595 · Student in an Organized Health Care Education/Training Program · New York, NY
Crystal Chang is a Student in an Organized Health Care Education/Training Program provider in New York, NY (NPI 1558246595).
Provider details
- NPI number
- 1558246595
- 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
Under 1 yr in 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
- 2025-08-08
- Last updated
- 2025-08-08
- Certified
- 2025-08-08
Frequently asked questions
- What is Crystal Chang's NPI number?
- Crystal Chang's National Provider Identifier (NPI) is 1558246595, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Crystal Chang's specialty?
- Crystal 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 Crystal Chang located?
- Crystal Chang's practice location on file with NPPES is 622 W 168th St, New York, NY 10032-3720.
- What is Crystal Chang's phone number?
- The practice phone number listed in the NPPES registry for Crystal Chang is (347) 644-0545.
- Is Crystal Chang's NPI active?
- Yes — Crystal Chang's NPI (1558246595) is active in the NPPES registry as of the last update on 2025-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.