Leo Chang, DDS
NPI 1104488394 · General Practice Dentistry · Cupertino, CA
Enrolled with Medicare as Order and Referring Only - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leo Chang, DDS is a General Practice Dentistry provider in Cupertino, CA (NPI 1104488394).
Provider details
- NPI number
- 1104488394
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- Yes
- License
- 103881 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
- 2019-07-08
- Last updated
- 2019-07-08
Frequently asked questions
- What is Leo Chang's NPI number?
- Leo Chang's National Provider Identifier (NPI) is 1104488394, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leo Chang's specialty?
- Leo Chang is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is Leo Chang located?
- Leo Chang's practice location on file with NPPES is 20410 Town Center Ln Ste 190, Cupertino, CA 95014-3230.
- What is Leo Chang's phone number?
- The practice phone number listed in the NPPES registry for Leo Chang is (415) 534-9479.
- Does Leo Chang accept Medicare?
- Leo Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leo Chang's NPI active?
- Yes — Leo Chang's NPI (1104488394) is active in the NPPES registry as of the last update on 2019-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.