Han Duong, OD
NPI 1437446036 · Optometrist · San Jose, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Han Duong, OD is a Optometrist provider in San Jose, CA (NPI 1437446036).
Provider details
- NPI number
- 1437446036
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 14163 (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
- 2011-07-02
- Last updated
- 2016-07-17
Frequently asked questions
- What is Han Duong's NPI number?
- Han Duong's National Provider Identifier (NPI) is 1437446036, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Han Duong's specialty?
- Han Duong is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Han Duong located?
- Han Duong's practice location on file with NPPES is 713 Blackfoot Ct, San Jose, CA 95123-4105.
- What is Han Duong's phone number?
- The practice phone number listed in the NPPES registry for Han Duong is (408) 204-9095.
- Does Han Duong accept Medicare?
- Han Duong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Han Duong's NPI active?
- Yes — Han Duong's NPI (1437446036) is active in the NPPES registry as of the last update on 2016-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.