OrganizationActive
Dr Margaret Nguyen Optometrist Inc
NPI 1659994549 · Optometrist · Downey, CA
Dr Margaret Nguyen Optometrist Inc is a Optometrist organization in Downey, CA (NPI 1659994549).
Provider details
- NPI number
- 1659994549
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Margaret Nguyen, Owner(562) 803-0135
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Established profile(64/100 index)
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
9001 Apollo Way
Downey, CA 90242-4033
Phone: (562) 803-0135
Fax: (562) 803-0384
Approximate (ZIP-level) locationGet directions
Mailing address
9001 Apollo Way
Downey, CA 90242-4033
Registry dates
- Enumerated
- 2020-05-26
- Last updated
- 2022-06-17
- Certified
- 2022-06-17
Frequently asked questions
- What is Dr Margaret Nguyen Optometrist Inc's NPI number?
- Dr Margaret Nguyen Optometrist Inc's National Provider Identifier (NPI) is 1659994549, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dr Margaret Nguyen Optometrist Inc?
- Dr Margaret Nguyen Optometrist Inc is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Dr Margaret Nguyen Optometrist Inc located?
- Dr Margaret Nguyen Optometrist Inc's practice location on file with NPPES is 9001 Apollo Way, Downey, CA 90242-4033.
- What is Dr Margaret Nguyen Optometrist Inc's phone number?
- The practice phone number listed in the NPPES registry for Dr Margaret Nguyen Optometrist Inc is (562) 803-0135.
- Who is the authorized official for Dr Margaret Nguyen Optometrist Inc?
- The authorized official listed on Dr Margaret Nguyen Optometrist Inc's NPPES record is Margaret Nguyen, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dr Margaret Nguyen Optometrist Inc's NPI active?
- Yes — Dr Margaret Nguyen Optometrist Inc's NPI (1659994549) is active in the NPPES registry as of the last update on 2022-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.