NPPES file of Aug 9, 2026

Diana Ngan Uong, OD

Optometrist · Gonzales, LA

Diana Ngan Uong, OD is an optometrist with a practice address in Gonzales, Louisiana, and NPI 1225764996, issued on Jul 26, 2022. Check the license (Louisiana 1971-917AT, as entered in NPPES) with the Louisiana 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
1225764996
Name
Diana Ngan Uong
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
1971-917AT LA
Self-reported in NPPES; status is on the state search
Practice location
1004 W Highway 30, Gonzales, LA 70737
Phone
(225) 647-4430
Enumerated
Jul 26, 2022
Record last updated
Jan 30, 2026
Medicare enrollment
Enrolled (PECOS I20220817002336); accepts Medicare assignment
Medical or professional school
University Of Houston - College Of Optometry, 2022
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 1004 W Highway 30

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

  1. Arthur Alford, ODOptometrist1033004049
  2. Emily DevillierOptometrist1740963305
  3. Heaven Harris, ODOptometrist1417566449
  4. Mackenzie Hollis Marston, ODOptometrist1831742352
  5. Eva Lamendola, ODOptometrist1144309923

Verify Diana Ngan Uong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Louisiana board licenses this profession
    Search for license 1971-917AT
    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
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4% more Medicare Part D claims than the average optometrist in 2024

287 Medicare Part D claims for 108 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of claims.

  1. Diana Uong287
  2. Specialty average277

Most prescribed

  1. Latanoprost62 claims
  2. Restasis32 claims
  3. Timolol Maleate31 claims
  4. Prednisolone Acetate19 claims
  5. Combigan18 claims
  6. Dorzolamide-Timolol16 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.

Industry payments in 2024: $722.44

21 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 Uong$722.44
  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.

Bills Medicare through one group practice

  1. Accent Optical IncGonzales, LA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

14 optometrist records list a practice address in Gonzales

They are 14 of the 658 NPPES records with a practice address in Gonzales, and 540 optometrist records in Louisiana.

Other optometrist records in Louisiana

  1. Scott Abbott, O.D.Baton Rouge, LA1881814135
  2. Kennedy Achord, ODBaton Rouge, LA1326876053
  3. Shonda Achord, O.D.Baton Rouge, LA1861593477
  4. Weston Acosta, ODCovington, LA1174205900
  5. Charles Adams, ODBossier City, LA1043240906
  6. Edwin Adams, ODGonzales, LA1437155793
  7. Sean Adams, ODShreveport, LA1659018133
  8. Lawrence Aderhold, ODBaton Rouge, LA1669418760
  9. Lauren Agnew, ODMandeville, LA1598311193
  10. Arthur Alford, ODGonzales, LA1033004049

Common questions

What is Diana Ngan Uong, OD's NPI number?

Diana Ngan Uong, OD's National Provider Identifier (NPI) is 1225764996, issued on Jul 26, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Diana Ngan Uong, OD located?

The NPPES record lists a practice address at 1004 W Highway 30, Gonzales, LA, 70737. Phone: (225) 647-4430. Providers update this record themselves, so call before visiting.

How can I verify Diana Ngan Uong, OD's license?

NPPES lists Louisiana license number 1971-917AT, as entered by the provider. Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.

How much does Diana Ngan Uong, OD prescribe under Medicare Part D?

In 2024, Diana Ngan Uong, OD had 287 Medicare Part D claims for 108 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.