Nancy Luong, O.D.
NPI 1336424928 · Optometrist · Los Angeles, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nancy Luong, O.D. is a Optometrist provider in Los Angeles, CA (NPI 1336424928).
Provider details
- NPI number
- 1336424928
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 14216 (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
- 2011-10-15
- Last updated
- 2026-01-20
- Certified
- 2026-01-20
Frequently asked questions
- What is Nancy Luong's NPI number?
- Nancy Luong's National Provider Identifier (NPI) is 1336424928, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Luong's specialty?
- Nancy Luong is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Nancy Luong located?
- Nancy Luong's practice location on file with NPPES is 4403 S Vermont Ave, Los Angeles, CA 90037-2413.
- What is Nancy Luong's phone number?
- The practice phone number listed in the NPPES registry for Nancy Luong is (323) 232-1234.
- Does Nancy Luong accept Medicare?
- Nancy Luong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nancy Luong's NPI active?
- Yes — Nancy Luong's NPI (1336424928) is active in the NPPES registry as of the last update on 2026-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.