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

Dr. Ashley Greenawalt Chung, OD, MS

Individual provider Optometrist · NPI 1114378353

Dr. Ashley Greenawalt Chung, OD, MS is registered under Optometry in Santa Clara, California. Qualified in 2016, 10 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
10
Licensed in
CA
In the registry since
2016
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

710 Lawrence Expy Dept 486
Santa Clara, CA 95051-5173
Phone: (408) 554-9830
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 33444 (CA)

Record details

NPI number1114378353
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD , MS
Sole proprietorNo
NPI enumeratedJune 29, 2016
Last updated in NPPESJanuary 26, 2022
Certification dateNovember 4, 2020

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Colleagues at Permanente Medical Group Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 10941 clinicians in the practice; 12 are shown here.

Other providers in Santa Clara