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

Dr. Clifford James Leong, OD

Individual provider Optometrist · NPI 1851585624

Dr. Clifford James Leong, OD is an Optometry in Fremont, California. Graduated from State University of New York - State College Optometry in 2007, 19 years ago. Practices with Fremont Optometric Group, a 5-clinician group and accepts Medicare assignment. Licensed in California and New York.

Years since qualifying
19
Trained at
State University of New York - State College Optometry
Licensed in
CA, NY
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

39355 California St Ste 103
Fremont, CA 94538-1447
Phone: (510) 744-2010
Fax: (510) 744-2015
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 13702 (CA)
Optometrist Taxonomy 152W00000X · Licence TUV0071931 (NY)

Record details

NPI number1851585624
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedSeptember 4, 2007
Last updated in NPPESSeptember 16, 2011

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolSTATE UNIVERSITY OF NEW YORK - STATE COLLEGE OPTOMETRY
Graduated 2007 (19 years in practice)
Group practice Fremont Optometric Group — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Fremont