William Chang
NPI 1053772475 · Student in an Organized Health Care Education/Training Program · Oyster Bay, NY
William Chang is a Student in an Organized Health Care Education/Training Program provider in Oyster Bay, NY (NPI 1053772475).
Provider details
- NPI number
- 1053772475
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Sex
- Male
- 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
10 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
- 2016-03-11
- Last updated
- 2016-03-11
Frequently asked questions
- What is William Chang's NPI number?
- William Chang's National Provider Identifier (NPI) is 1053772475, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Chang's specialty?
- William 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 William Chang located?
- William Chang's practice location on file with NPPES is 75 Mill River Rd, Oyster Bay, NY 11771-2737.
- What is William Chang's phone number?
- The practice phone number listed in the NPPES registry for William Chang is (516) 780-1850.
- Is William Chang's NPI active?
- Yes — William Chang's NPI (1053772475) is active in the NPPES registry as of the last update on 2016-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.