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

Dr. Ronald F Janda, OD

Individual provider Optometrist · NPI 1003843087

Dr. Ronald F Janda, OD is an Optometry in Modesto, California. Graduated from University Alabama Birmingham - School of Optometry in 1987, 39 years ago. Practices with Hinkley Optometric Corporation, a 2-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
39
Trained at
University Alabama Birmingham - School of Optometry
Licensed in
CA
In the registry since
2006
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

1011 Sylvan Ave Ste A
Modesto, CA 95350-1692
Phone: (209) 575-2020
Fax: (209) 758-5693
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence OPT8748T (CA)

Record details

NPI number1003843087
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedJune 27, 2006
Last updated in NPPESFebruary 14, 2013

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolUNIVERSITY ALABAMA BIRMINGHAM - SCHOOL OF OPTOMETRY
Graduated 1987 (39 years in practice)
Group practice Hinkley Optometric Corporation — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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