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

Anthony John E. Castanares, OD

Individual provider Optometrist · NPI 1235629361

Anthony John E. Castanares, OD is an Optometry in Dublin, California. Graduated from Southern California College of Optometry in 2017, 9 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
9
Trained at
Southern California College of Optometry
Licensed in
CA
In the registry since
2018
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

7763 Squirrel Creek Cir
Dublin, CA 94568
Phone: (925) 548-6143
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 33918TLG (CA)

Record details

NPI number1235629361
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedMay 15, 2018
Last updated in NPPESMay 17, 2018
Mailing address7763 Squirrel Creek Cir, Dublin, CA 94568-3718

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolSOUTHERN CALIFORNIA COLLEGE OF OPTOMETRY
Graduated 2017 (9 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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