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

David Korsak

Individual provider Optometrist · NPI 1659940492

David Korsak is an Optometry in Chicago, Illinois. Graduated from Illinois College of Optometry at Chicago in 2021, 5 years ago. Licensed in Illinois.

Years since qualifying
5
Trained at
Illinois College of Optometry at Chicago
Licensed in
IL
In the registry since
2021
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Practice location Address checks out

845 N Ashland Ave
Chicago, IL 60622-5149
Phone: (312) 942-0407
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 046.011509 (IL)

Record details

NPI number1659940492
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJune 24, 2021
Last updated in NPPESJune 24, 2021
Certification dateJune 24, 2021
Mailing address845 N Ashland Ave, Chicago, IL 60622-5149

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolILLINOIS COLLEGE OF OPTOMETRY AT CHICAGO
Graduated 2021 (5 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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