John Chiang, MD
NPI 1154332617 · Obstetrics & Gynecology Physician · Alhambra, CA
John Chiang, MD is a Obstetrics & Gynecology Physician provider in Alhambra, CA (NPI 1154332617).
Provider details
- NPI number
- 1154332617
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A53985 (CA)
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
- 2006-08-10
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Chiang's NPI number?
- John Chiang's National Provider Identifier (NPI) is 1154332617, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Chiang's specialty?
- John Chiang is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is John Chiang located?
- John Chiang's practice location on file with NPPES is 1048 S Garfield Ave, Alhambra, CA 91801-4768.
- What is John Chiang's phone number?
- The practice phone number listed in the NPPES registry for John Chiang is (626) 282-5153.
- Is John Chiang's NPI active?
- Yes — John Chiang's NPI (1154332617) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.