NPPES file of Aug 9, 2026

Donna Nguyen, O.D.

Optometrist · La Palma, CA

Donna Nguyen, O.D. is an optometrist with a practice address in La Palma, California, and NPI 1477976603, issued on Jan 23, 2014. Check the license (California 14839, 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
1477976603
Name
Donna Nguyen
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
14839 CA
Self-reported in NPPES; status is on the state search
Practice location
5 Centerpointe Dr, La Palma, CA 90623
Phone
(714) 562-3420
Enumerated
Jan 23, 2014
Record last updated
Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20251119005196); accepts Medicare assignment
Medical or professional school
New England College Of Optometry, 2013
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 5 Centerpointe Dr

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

  1. Valerie Babisky, NPPsychiatric/Mental Health Nurse Practitioner1992927008
  2. Steve BuiPharmacist1578001814
  3. Monica Casoliva, MDFamily Medicine Physician1730495110
  4. Se Young Cho, MDFamily Medicine Physician1538796222
  5. Suman Chopra, MDFamily Medicine Physician1407968662
  6. Tony Do, DOFamily Medicine Physician1942387956

Verify Donna 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 14839
    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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84% fewer Medicare Part D claims than the average optometrist in 2024

44 Medicare Part D claims for 17 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.

  1. Donna Nguyen44
  2. Specialty average277

Most prescribed

  1. Latanoprost21 claims
  2. Cyclosporine17 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.

Donna Nguyen among 8,308 optometrist records in California

Donna Nguyen, O.D. 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 2014, is newer than 68% of them.

  • NPI issued2014 · 68% of these records are older, 29% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2013 · median 2008 among the 3,573 with a school on file
  • 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).

5 optometrist records list a practice address in La Palma

They are 5 of the 593 NPPES records with a practice address in La Palma, and 8,308 optometrist records in California.

The 8 optometrist records with the nearest ZIP codes

  1. Sabeen Khalid, ODLa Palma, CA 906231255164844
  2. Cemone Khan, O.D.La Palma, CA 906231275076721
  3. John Monteleone, O.D.La Palma, CA 906231063568368
  4. Miguel Olmedo, ODLa Palma, CA 906231205558988
  5. Erica Baranwal, O.D.Buena Park, CA 906211912389354
  6. Allen Choi, O.D.Buena Park, CA 906211619352754
  7. Precious Hwang, ODBuena Park, CA 906211598287104
  8. Jeany Johnson, ODBuena Park, CA 906211992225056

Common questions

What is Donna Nguyen, O.D.'s NPI number?

Donna Nguyen, O.D.'s National Provider Identifier (NPI) is 1477976603, issued on Jan 23, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Donna Nguyen, O.D. located?

The NPPES record lists a practice address at 5 Centerpointe Dr, La Palma, CA, 90623. Phone: (714) 562-3420. Providers update this record themselves, so call before visiting.

How can I verify Donna Nguyen, O.D.'s license?

NPPES lists California license number 14839, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Donna Nguyen, O.D. prescribe under Medicare Part D?

In 2024, Donna Nguyen, O.D. had 44 Medicare Part D claims for 17 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.

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.