Kok-Chung Chang, MD
NPI 1588818314 · Obstetrics & Gynecology Physician · New York, NY
Kok-Chung Chang, MD is a Obstetrics & Gynecology Physician provider in New York, NY (NPI 1588818314).
Provider details
- NPI number
- 1588818314
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 129562 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2008-11-06
- Last updated
- 2008-11-12
Frequently asked questions
- What is Kok-Chung Chang's NPI number?
- Kok-Chung Chang's National Provider Identifier (NPI) is 1588818314, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kok-Chung Chang's specialty?
- Kok-Chung Chang is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Kok-Chung Chang located?
- Kok-Chung Chang's practice location on file with NPPES is 320 Central Park W, New York, NY 10025-7659.
- What is Kok-Chung Chang's phone number?
- The practice phone number listed in the NPPES registry for Kok-Chung Chang is (212) 877-5049.
- Is Kok-Chung Chang's NPI active?
- Yes — Kok-Chung Chang's NPI (1588818314) is active in the NPPES registry as of the last update on 2008-11-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.