Quynh Duong, O.D.
NPI 1740378967 · Optometrist · Los Angeles, CA
Quynh Duong, O.D. is a Optometrist provider in Los Angeles, CA (NPI 1740378967).
Provider details
- NPI number
- 1740378967
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 12702 (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 tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$103 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 150 N Reno StLos Angeles, CA 90026-4656Phone: (213) 380-7298Fax: (213) 385-5431
Registry dates
- Enumerated
- 2006-10-11
- Last updated
- 2020-02-25
- Certified
- 2020-02-25
Frequently asked questions
- What is Quynh Duong's NPI number?
- Quynh Duong's National Provider Identifier (NPI) is 1740378967, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Quynh Duong's specialty?
- Quynh Duong is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Quynh Duong located?
- Quynh Duong's practice location on file with NPPES is 4816 E 3rd St, Los Angeles, CA 90022-1602.
- What is Quynh Duong's phone number?
- The practice phone number listed in the NPPES registry for Quynh Duong is (323) 780-4510.
- Is Quynh Duong's NPI active?
- Yes — Quynh Duong's NPI (1740378967) is active in the NPPES registry as of the last update on 2020-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.