Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Troy Hajin Chang, OD

Individual provider Optometrist · NPI 1891871927

Dr. Troy Hajin Chang, OD is an Optometry in Las Vegas, Nevada. Graduated from Illinois College of Optometry at Chicago in 2000, 26 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Nevada.

Years since qualifying
26
Trained at
Illinois College of Optometry at Chicago
Licensed in
NV
In the registry since
2006
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

2595 S Maryland Pkwy Ste 106
Las Vegas, NV 89109-8305
Phone: (702) 220-9767
Fax: (702) 796-6636
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 410 (NV)

Record details

NPI number1891871927
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedOctober 31, 2006
Last updated in NPPESDecember 16, 2009

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPTOMETRY
Medical schoolILLINOIS COLLEGE OF OPTOMETRY AT CHICAGO
Graduated 2000 (26 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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