Louisa Chiu, MD
NPI 1043481278 · Surgery Physician · Duarte, CA
Louisa Chiu, MD is a Surgery Physician provider in Duarte, CA (NPI 1043481278).
Provider details
- NPI number
- 1043481278
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 57.010447 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2008-03-15
- Last updated
- 2012-07-26
Frequently asked questions
- What is Louisa Chiu's NPI number?
- Louisa Chiu's National Provider Identifier (NPI) is 1043481278, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louisa Chiu's specialty?
- Louisa Chiu is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Louisa Chiu located?
- Louisa Chiu's practice location on file with NPPES is 1500 Duarte Rd, Duarte, CA 91010-3012.
- What is Louisa Chiu's phone number?
- The practice phone number listed in the NPPES registry for Louisa Chiu is (626) 471-7100.
- Is Louisa Chiu's NPI active?
- Yes — Louisa Chiu's NPI (1043481278) is active in the NPPES registry as of the last update on 2012-07-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.