NPPES file of Aug 9, 2026

Kathy Hong Truong, OD

Optometrist · Fountain Valley, CA

Kathy Hong Truong, OD is an optometrist with a practice address in Fountain Valley, California, and NPI 1427772763, issued on Sep 29, 2022. Check the license (California 35318, 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
1427772763
Name
Kathy Hong Truong
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
35318 CA
Self-reported in NPPES; status is on the state search
Practice location
10130 Warner Ave Ste J, Fountain Valley, CA 92708
Phone
(714) 965-5130
Enumerated
Sep 29, 2022
Record last updated
Sep 29, 2022
Medicare enrollment
Enrolled (PECOS I20221104001572); accepts Medicare assignment
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 10130 Warner Ave Ste J

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

  1. Kim Nhat Le-Huynh, O.D.Optometrist1497947311
  2. Seiju Terada, O.D.Corneal and Contact Management Optometrist1992862676

Verify Kathy Hong Truong 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 35318
    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: $337.24

5 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. 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. Kathy Truong$337.24
  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. Nhat LE-Huynh OD A Professional CorporationFountain Valley, CA

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

Kathy Hong Truong among 8,308 optometrist records in California

Kathy Hong Truong, OD 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 2022, is newer than 89% of them.

  • NPI issued2022 · 89% of these records are older, 8% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2022 · median 2008 among the 3,573 with a school on file
  • Record last updated2022 · 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).

26 optometrist records list a practice address in Fountain Valley

They are 26 of the 2,190 NPPES records with a practice address in Fountain Valley, and 8,308 optometrist records in California.

The 8 optometrist records with the nearest ZIP codes

  1. James Cooperman, ODFountain Valley, CA 927081689639429
  2. Tina Dao, O.D.Fountain Valley, CA 927081770507659
  3. Karissa Do, O.D.Fountain Valley, CA 927081598820433
  4. Barbara Fineberg, O.D.Fountain Valley, CA 927081003903311
  5. Sanford Koyama, O.D.Fountain Valley, CA 927081346233798
  6. Ronald Kuykendall, O.D.Fountain Valley, CA 927081871654103
  7. Jue Lim, O.D.Fountain Valley, CA 927081518062223
  8. Van Ly, O.D.Fountain Valley, CA 927081225171713

Common questions

What is Kathy Hong Truong, OD's NPI number?

Kathy Hong Truong, OD's National Provider Identifier (NPI) is 1427772763, issued on Sep 29, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Kathy Hong Truong, OD located?

The NPPES record lists a practice address at 10130 Warner Ave Ste J, Fountain Valley, CA, 92708. Phone: (714) 965-5130. Providers update this record themselves, so call before visiting.

How can I verify Kathy Hong Truong, OD's license?

NPPES lists California license number 35318, 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.

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.