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

Sarah Onaga, OD

Individual provider Optometrist · NPI 1710417522

Sarah Onaga, OD is an Optometry in Tustin, California. Graduated from Southern California College of Optometry in 2017, 9 years ago. Practices with Darren M Brown OD APC, a 2-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
2017
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

See every abbreviation used in this directory →

Practice location Address checks out

190 El Camino Real
Tustin, CA 92780-3602
Phone: (714) 669-1121
Show map & directions

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 33701TLG (CA)

Record details

NPI number1710417522
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedJune 14, 2017
Last updated in NPPESFebruary 13, 2018

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 Darren M Brown Od Apc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Tustin