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

Ernest Chang, OD

Individual provider Optometrist · NPI 1235786898

Ernest Chang, OD is an Optometry in Woodland, California. Graduated from Pacific University - College of Optometry in 2019, 7 years ago. Practices with Regents of the University of California, a 563-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
7
Trained at
Pacific University - College of Optometry
Licensed in
CA
In the registry since
2019
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

421 Pioneer Ave
Woodland, CA 95776-4948
Phone: (530) 661-0300
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 34341 (CA)

Record details

NPI number1235786898
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedAugust 19, 2019
Last updated in NPPESAugust 23, 2019

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolPACIFIC UNIVERSITY - COLLEGE OF OPTOMETRY
Graduated 2019 (7 years in practice)
Group practice Regents Of The University Of California — 563 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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