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

Jason R Greiner, OD

Individual provider Optometrist · NPI 1417210493

Jason R Greiner, OD is an Optometry in Yorba Linda, California. Graduated from Southern California College of Optometry in 2012, 14 years ago. Practices with Clarity Eye Group, a 7-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
14
Trained at
Southern California College of Optometry
Licensed in
CA
In the registry since
2012
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

4945 Yorba Ranch Rd Ste E
Yorba Linda, CA 92887-2553
Phone: (714) 692-2063
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 14396 (CA)

Record details

NPI number1417210493
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedJune 24, 2012
Last updated in NPPESJune 24, 2012

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolSOUTHERN CALIFORNIA COLLEGE OF OPTOMETRY
Graduated 2012 (14 years in practice)
Group practice Clarity Eye Group — 7 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Yorba Linda