Ian Charlston Chua, MD
NPI 1629393830 · Hospitalist Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ian Charlston Chua, MD is a Hospitalist Physician provider in Palo Alto, CA (NPI 1629393830).
Provider details
- NPI number
- 1629393830
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A117682 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
- 2010-03-30
- Last updated
- 2024-04-28
- Certified
- 2024-04-28
Frequently asked questions
- What is Ian Charlston Chua's NPI number?
- Ian Charlston Chua's National Provider Identifier (NPI) is 1629393830, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ian Charlston Chua's specialty?
- Ian Charlston Chua is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Ian Charlston Chua located?
- Ian Charlston Chua's practice location on file with NPPES is 725 Welch Rd, Palo Alto, CA 94304-1601.
- What is Ian Charlston Chua's phone number?
- The practice phone number listed in the NPPES registry for Ian Charlston Chua is (650) 497-8000.
- Does Ian Charlston Chua accept Medicare?
- Ian Charlston Chua is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ian Charlston Chua's NPI active?
- Yes — Ian Charlston Chua's NPI (1629393830) is active in the NPPES registry as of the last update on 2024-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.