NPPES file of Aug 9, 2026

Linh Hoang Nguyen

Optometrist · Long Beach, CA

Linh Hoang Nguyen is an optometrist with a practice address in Long Beach, California, and NPI 1659900991, issued on Apr 8, 2020. Check the license (California 34594, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1659900991
Name
Linh Hoang Nguyen
Primary taxonomy
Optometrist 152W00000X
License number
34594 CA
Self-reported in NPPES; status is on the state search
Practice location
5901 E 7TH St, Long Beach, CA 90822
Phone
(844) 808-2020
Enumerated
Apr 8, 2020
Record last updated
Dec 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest optometrist records → All 8,308 in California → Look up another NPI →

Also registered at 5901 E 7TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nneoma Achikam, LCSW, BCDClinical Social Worker1114182953
  2. Sameera Ahmad, ODOptometrist1164117891
  3. Sama Alabbas, PHARMDPharmacist1366165193
  4. Lawrence Albers, MDPsychiatry Physician1871697300
  5. Abby AlexanderOptometrist1871113068
  6. Tamara Alexander, PT, DPTPhysical Therapist1922116714

Verify Linh Hoang Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 34594    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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82% fewer Medicare Part D claims than the average optometrist in 2024

51 Medicare Part D claims for 44 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.

  1. Linh Nguyen51
  2. Specialty average277

Most prescribed

  1. Erythromycin24 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Linh Hoang Nguyen among 8,308 optometrist records in California

Linh Hoang Nguyen is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 84% of them.

  • NPI issued2020 · 84% of these records are older, 14% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 43% of these records are
  • Record last updated2021 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Optometrist providers in California

There are 8,308 optometrist records in California.

All 8,308 in California → Every provider in Long Beach → Optometrist nationwide →

The 8 optometrist records with the nearest ZIP codes

  1. Sameera Ahmad, ODLong Beach, CA 908221164117891
  2. Abby AlexanderLong Beach, CA 908221871113068
  3. Haley Bialas, ODLong Beach, CA 908221669215356
  4. Edward Chu, O.D.Long Beach, CA 908221396991402
  5. Julie FurnessLong Beach, CA 908221205415189
  6. April Huang, ODLong Beach, CA 908221497372890
  7. Greyson NakanoLong Beach, CA 908221003212663
  8. Jessica Nguyen, ODLong Beach, CA 908221528647492

Common questions

What is Linh Hoang Nguyen's NPI number?

Linh Hoang Nguyen's National Provider Identifier (NPI) is 1659900991, issued on Apr 8, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Linh Hoang Nguyen located?

The NPPES record lists a practice address at 5901 E 7TH St, Long Beach, CA, 90822. Phone: (844) 808-2020. Providers update this record themselves, so call before visiting.

How can I verify Linh Hoang Nguyen's license?

NPPES lists California license number 34594, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Linh Hoang Nguyen prescribe under Medicare Part D?

In 2024, Linh Hoang Nguyen had 51 Medicare Part D claims for 44 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.