John Chiu, MD
NPI 1326121716 · Allergy & Immunology Physician · Newport Beach, CA
John Chiu, MD is a Allergy & Immunology Physician provider in Newport Beach, CA (NPI 1326121716).
Provider details
- NPI number
- 1326121716
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G13693 (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
- 2006-10-23
- Last updated
- 2018-07-02
Frequently asked questions
- What is John Chiu's NPI number?
- John Chiu's National Provider Identifier (NPI) is 1326121716, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Chiu's specialty?
- John Chiu is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is John Chiu located?
- John Chiu's practice location on file with NPPES is 400 Newport Center Dr, Newport Beach, CA 92660.
- What is John Chiu's phone number?
- The practice phone number listed in the NPPES registry for John Chiu is (949) 644-1422.
- Is John Chiu's NPI active?
- Yes — John Chiu's NPI (1326121716) is active in the NPPES registry as of the last update on 2018-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.