Nicholas Chiou, MD
NPI 1154680874 · Pediatrics Physician · Whittier, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Chiou, MD is a Pediatrics Physician provider in Whittier, CA (NPI 1154680874).
Provider details
- NPI number
- 1154680874
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A121678 (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
14 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
- 2012-05-15
- Last updated
- 2021-12-06
Frequently asked questions
- What is Nicholas Chiou's NPI number?
- Nicholas Chiou's National Provider Identifier (NPI) is 1154680874, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Chiou's specialty?
- Nicholas Chiou is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Chiou located?
- Nicholas Chiou's practice location on file with NPPES is 12470 Whittier Blvd, Whittier, CA 90602-1017.
- What is Nicholas Chiou's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Chiou is (800) 823-4040.
- Does Nicholas Chiou accept Medicare?
- Nicholas Chiou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Chiou's NPI active?
- Yes — Nicholas Chiou's NPI (1154680874) is active in the NPPES registry as of the last update on 2021-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.