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Leo Kwan, MD
NPI 1477634715 · Specialist · Fullerton, CA
Leo Kwan, MD is a Specialist provider in Fullerton, CA (NPI 1477634715).
Provider details
- NPI number
- 1477634715
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A23356 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(90/100 index)
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
101 E Valencia Mesa Dr
Fullerton, CA 92835-3809
Phone: (949) 757-0900
Fax: (530) 243-0445
Street-level locationGet directions
Mailing address
Po Box 16787
Irvine, CA 92623-6787
Registry dates
- Enumerated
- 2006-10-17
- Last updated
- 2007-07-08
Frequently asked questions
- What is Leo Kwan's NPI number?
- Leo Kwan's National Provider Identifier (NPI) is 1477634715, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leo Kwan's specialty?
- Leo Kwan is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Leo Kwan located?
- Leo Kwan's practice location on file with NPPES is 101 E Valencia Mesa Dr, Fullerton, CA 92835-3809.
- What is Leo Kwan's phone number?
- The practice phone number listed in the NPPES registry for Leo Kwan is (949) 757-0900.
- Is Leo Kwan's NPI active?
- Yes — Leo Kwan's NPI (1477634715) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.