NPPES file of Aug 9, 2026

Troy Hajin Chang, O.D.

Optometrist · Las Vegas, NV

Troy Hajin Chang, O.D. is an optometrist with a practice address in Las Vegas, Nevada, and NPI 1891871927, issued on Oct 31, 2006. Check the license (Nevada 410, as entered in NPPES) with the Nevada board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891871927
Name
Troy Hajin Chang
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
410 NV
Self-reported in NPPES; status is on the state search
Practice location
2595 S Maryland Pkwy, Las Vegas, NV 89109
Phone
(702) 220-9767
Enumerated
Oct 31, 2006
Record last updated
Dec 16, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(702) 796-6636
Medicaid ID
1891871927 NV
Medicare enrollment
Enrolled (PECOS I20051006000128); accepts Medicare assignment
Medical or professional school
Illinois College Of Optometry At Chicago, 2000
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.
Download card Updates feed

Verify Troy Hajin Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Nevada board licenses this profession
    Search for license 410
    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 Nevada 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Troy Hajin Chang among 550 optometrist records in Nevada

Troy Hajin Chang, O.D. is one of 550 optometrist records with a practice address in Nevada. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 68% newer
  • In a Medicare fileNo · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2000 · median 2010 among the 332 with a school on file
  • Record last updated2009 · 61% 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 Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Optometrist providers in Nevada

There are 550 optometrist records in Nevada. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 optometrist records with the nearest ZIP codes

  1. Loan Cao, ODLas Vegas, NV 891091154923662
  2. Angelique Dela Victoria, ODLas Vegas, NV 891091073291522
  3. Steve Girisgen, O.DLas Vegas, NV 891091295788859
  4. Dexter Morris, O.D.Las Vegas, NV 891091134272099
  5. Hai Tran, O.D.Las Vegas, NV 891091427184555
  6. Sabrina Ali, ODLas Vegas, NV 891081275374837
  7. Jessica Celestino, O.D.Las Vegas, NV 891081710591110
  8. Clarissa Choy, ODLas Vegas, NV 891081366368151

Common questions

What is Troy Hajin Chang, O.D.'s NPI number?

Troy Hajin Chang, O.D.'s National Provider Identifier (NPI) is 1891871927, issued on Oct 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Troy Hajin Chang, O.D. located?

The NPPES record lists a practice address at 2595 S Maryland Pkwy, Las Vegas, NV, 89109. Phone: (702) 220-9767. Providers update this record themselves, so call before visiting.

How can I verify Troy Hajin Chang, O.D.'s license?

NPPES lists Nevada license number 410, as entered by the provider. Search the Nevada 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. 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.