Cheng-Chi Chang
NPI 1669015665 · Student in an Organized Health Care Education/Training Program · Alameda, CA
Cheng-Chi Chang is a Student in an Organized Health Care Education/Training Program provider in Alameda, CA (NPI 1669015665).
Provider details
- NPI number
- 1669015665
- 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
6 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
- 2019-10-22
- Last updated
- 2021-08-26
- Certified
- 2021-08-26
Frequently asked questions
- What is Cheng-Chi Chang's NPI number?
- Cheng-Chi Chang's National Provider Identifier (NPI) is 1669015665, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cheng-Chi Chang's specialty?
- Cheng-Chi 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 Cheng-Chi Chang located?
- Cheng-Chi Chang's practice location on file with NPPES is 1141 Harbor Bay Pkwy # 105, Alameda, CA 94502-6596.
- What is Cheng-Chi Chang's phone number?
- The practice phone number listed in the NPPES registry for Cheng-Chi Chang is (510) 835-2777.
- Is Cheng-Chi Chang's NPI active?
- Yes — Cheng-Chi Chang's NPI (1669015665) is active in the NPPES registry as of the last update on 2021-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.