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

Dr. Jenifer Keni Keiko Ishizaki Chung, OD

Individual provider Optometrist · NPI 1821140534

Dr. Jenifer Keni Keiko Ishizaki Chung, OD is an Optometry in Antioch, California. Graduated from Southern California College of Optometry in 2001, 25 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California and Hawaii.

Years since qualifying
25
Trained at
Southern California College of Optometry
Licensed in
CA, HI
In the registry since
2007
Specialties on file
2
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

3400 Delta Fair Blvd Eyecare Clinic-Optometry
Antioch, CA 94509-4004
Phone: (925) 779-4378
Fax: (925) 779-5421
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 11660 (CA)
Optometrist Taxonomy 152W00000X · Licence 550 (HI)

Record details

NPI number1821140534
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedJanuary 16, 2007
Last updated in NPPESJanuary 3, 2022

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolSOUTHERN CALIFORNIA COLLEGE OF OPTOMETRY
Graduated 2001 (25 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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