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

Allissa Vivienne Zhen Dur Chang, OD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1689473811

Allissa Vivienne Zhen Dur Chang, OD is an Optometry in Los Angeles, California. Graduated from University of California - School of Optometry in 2025, 1 year ago. Registered with an NPI since 2025.

Years since qualifying
1
Trained at
University of California - School of Optometry
In the registry since
2025
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

Student / training record This NPI belongs to someone enrolled in a health care training programme. It carries no licence and no practice of its own, so no address or phone number is published for it.

Los Angeles, CA

No coordinates on file. Search this address in Google Maps

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X

Record details

NPI number1689473811
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedMarch 11, 2025
Last updated in NPPESMarch 11, 2025
Certification dateMarch 10, 2025

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolUNIVERSITY OF CALIFORNIA - SCHOOL OF OPTOMETRY
Graduated 2025 (1 years in practice)
Accepts Medicare assignment Not indicated

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