NPPES file of Aug 9, 2026

Diana Camtu Nguyen, O. D.

Optometrist · Santa Ana, CA

Diana Camtu Nguyen, O. D. is an optometrist with a practice address in Santa Ana, California, and NPI 1649499229, issued on Apr 24, 2007. Check the license (California OPT12457 TPL, 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
1649499229
Name
Diana Camtu Nguyen
Credential
O. D.
Primary taxonomy
Optometrist 152W00000X
License number
OPT12457 TPL CA
Self-reported in NPPES; status is on the state search
Practice location
903 S. Bristol St. Unit A, Santa Ana, CA 92703
Phone
(714) 200-4261
Enumerated
Apr 24, 2007
Record last updated
Aug 19, 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 →

Verify Diana Camtu 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 OPT12457 TPL    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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Industry payments in 2024: $150.63

3 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Diana Nguyen$150.63
  2. Specialty average$769.99

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Diana Camtu Nguyen among 8,308 optometrist records in California

Diana Camtu 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 2007, is newer than 34% of them.

  • NPI issued2007 · 34% of these records are older, 46% 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 Santa Ana → Optometrist nationwide →

The 8 optometrist records with the nearest ZIP codes

  1. Nhu Ly, O.D.Santa Ana, CA 927031114252954
  2. Mimi Tran, O.D.Santa Ana, CA 927031396988077
  3. Minh Truong, ODSanta Ana, CA 927031386713980
  4. Patricia Atie, O.D., F.C.O.V.D.Santa Ana, CA 927041255435517
  5. Diemkhanh Dinhluu, O.D.Santa Ana, CA 927041851496095
  6. Jeffrey Duncan, O.D.Santa Ana, CA 927041407846207
  7. Mylinh Duncan, D.O.Santa Ana, CA 927041598755498
  8. Jeffrey Fimreite, ODSanta Ana, CA 927041437253705

Common questions

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

Diana Camtu Nguyen, O. D.'s National Provider Identifier (NPI) is 1649499229, issued on Apr 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Diana Camtu Nguyen, O. D. located?

The NPPES record lists a practice address at 903 S. Bristol St. Unit A, Santa Ana, CA, 92703. Phone: (714) 200-4261. Providers update this record themselves, so call before visiting.

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

NPPES lists California license number OPT12457 TPL, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.