Ann Chang, MD
NPI 1982800058 · Obstetrics & Gynecology Physician · Honolulu, HI
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ann Chang, MD is a Obstetrics & Gynecology Physician provider in Honolulu, HI (NPI 1982800058).
Provider details
- NPI number
- 1982800058
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 15036 (HI)
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
19 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
- 2007-06-25
- Last updated
- 2017-08-23
Frequently asked questions
- What is Ann Chang's NPI number?
- Ann Chang's National Provider Identifier (NPI) is 1982800058, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Chang's specialty?
- Ann Chang is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Ann Chang located?
- Ann Chang's practice location on file with NPPES is 1319 Punahou St Ste 824, Honolulu, HI 96826-1032.
- What is Ann Chang's phone number?
- The practice phone number listed in the NPPES registry for Ann Chang is (808) 203-6552.
- Does Ann Chang accept Medicare?
- Ann Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ann Chang's NPI active?
- Yes — Ann Chang's NPI (1982800058) is active in the NPPES registry as of the last update on 2017-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.