NPPES file of Aug 9, 2026

Trang Y. Hoang, OD

Optometrist · Rancho Santa Margarita, CA

Trang Y. Hoang, OD is an optometrist with a practice address in Rancho Santa Margarita, California, and NPI 1902653173, issued on May 4, 2024. Check the license (California 35972, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902653173
Name
Trang Y. Hoang
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
35972 CA
Self-reported in NPPES; status is on the state search
Practice location
30212 Tomas Ste 170, Rancho Santa Margarita, CA 92688
Phone
(949) 589-0900
Enumerated
May 4, 2024
Record last updated
Sep 24, 2025
Medicare enrollment
Enrolled (PECOS I20250915003855); 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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8 nearest optometrist records → All 8,308 in California → Look up another NPI →

Also registered at 30212 Tomas Ste 170

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

  1. Natalie Lavinder, ODOptometrist1396275756
  2. Steven Smith, AN OPTOMETRIC CORPOptometrist1295860864

Verify Trang Y. Hoang 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 35972    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Total Vision PCRancho Santa Margarita, CA

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

Trang Y. Hoang among 8,308 optometrist records in California

Trang Y. Hoang, 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 2024, is newer than 94% of them.

  • NPI issued2024 · 94% of these records are older, 4% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2025 · median 2008 among the 3,573 with a school on file
  • Record last updated2025 · 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).

16 optometrist records list a practice address in Rancho Santa Margarita

They are 16 of the 479 NPPES records with a practice address in Rancho Santa Margarita, and 8,308 optometrist records in California.

All 8,308 in California → Every provider in Rancho Santa Margarita → Optometrist nationwide →

The 8 optometrist records with the nearest ZIP codes

  1. Kathleen Andersen, O.D.Rancho Santa Margarita, CA 926881881747962
  2. Anthony Bullum, O.D.Rancho Santa Margarita, CA 926881992773956
  3. Alast EisaRancho Santa Margarita, CA 926881174243133
  4. Alexander Gorski, O.DRancho Santa Margarita, CA 926881831306372
  5. Andrea Huyn, O.D.Rancho Santa Margarita, CA 926881649410317
  6. Liza Koepke, O.D.Rancho Santa Margarita, CA 926881134503204
  7. Natalie Lavinder, ODRancho Santa Margarita, CA 926881396275756
  8. Jenny Park, O.D.Rancho Santa Margarita, CA 926881669624052

Common questions

What is Trang Y. Hoang, OD's NPI number?

Trang Y. Hoang, OD's National Provider Identifier (NPI) is 1902653173, issued on May 4, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Trang Y. Hoang, OD located?

The NPPES record lists a practice address at 30212 Tomas Ste 170, Rancho Santa Margarita, CA, 92688. Phone: (949) 589-0900. Providers update this record themselves, so call before visiting.

How can I verify Trang Y. Hoang, OD's license?

NPPES lists California license number 35972, 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.