David Chien, MD.
NPI 1346303674 · Pediatrics Physician · Porter Ranch, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Chien, MD. is a Pediatrics Physician provider in Porter Ranch, CA (NPI 1346303674).
Provider details
- NPI number
- 1346303674
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD.
- Sex
- Male
- Sole proprietor
- No
- License
- A83875 (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
- 2006-12-18
- Last updated
- 2021-03-30
- Certified
- 2021-03-30
Frequently asked questions
- What is David Chien's NPI number?
- David Chien's National Provider Identifier (NPI) is 1346303674, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Chien's specialty?
- David Chien is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is David Chien located?
- David Chien's practice location on file with NPPES is 19950 Rinaldi St, Porter Ranch, CA 91326-4141.
- What is David Chien's phone number?
- The practice phone number listed in the NPPES registry for David Chien is (818) 403-2440.
- Does David Chien accept Medicare?
- David Chien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Chien's NPI active?
- Yes — David Chien's NPI (1346303674) is active in the NPPES registry as of the last update on 2021-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.