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

Dr. Catherine Tuong, OD

Individual provider Optometrist · NPI 1477993723

Dr. Catherine Tuong, OD is an Optometry in Ontario, California. Graduated from Southern California College of Optometry in 2013, 13 years ago. Practices with Southern California Permanente Medical Group, an 11,242-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
13
Trained at
Southern California College of Optometry
Licensed in
CA
In the registry since
2013
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

951 N Milliken Ave
Ontario, CA 91764-5008
Phone: (909) 481-9801
Show map & directions

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

Additional practice locations (1)

  • 6363 Valley Springs Pkwy, Riverside, CA 92507-0905 — (951) 653-0550

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 14662 TLG (CA)

Record details

NPI number1477993723
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorYes
NPI enumeratedJuly 1, 2013
Last updated in NPPESNovember 29, 2021
Certification dateNovember 29, 2021

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolSOUTHERN CALIFORNIA COLLEGE OF OPTOMETRY
Graduated 2013 (13 years in practice)
Group practice Southern California Permanente Medical Group — 11242 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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