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

Dr. Sylvester Nguyen

Individual provider Optometrist · NPI 1861844680

Dr. Sylvester Nguyen is an Optometry in Modesto, California. Qualified in 2016, 10 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
10
Licensed in
CA
In the registry since
2016
Specialties on file
2
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Practice location Address checks out

3200 Sisk Rd
Modesto, CA 95356-0546
Phone: (510) 332-3175
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 33381 (CA)
Optometrist Taxonomy 152W00000X · Licence CA298165 (CA)

Record details

NPI number1861844680
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJuly 5, 2016
Last updated in NPPESFebruary 12, 2021
Certification dateFebruary 12, 2021

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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