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

Dr. Douglass R. Fruin, OD

Individual provider Optometrist · NPI 1427578681

Dr. Douglass R. Fruin, OD is an Optometry in Chicago, Illinois. Graduated from Southern College of Optometry in 2017, 9 years ago. Practices with Charles S Ovitsky PC, a 14-clinician group and accepts Medicare assignment. Licensed in Illinois and Nebraska.

Years since qualifying
9
Trained at
Southern College of Optometry
Licensed in
IL, NE
In the registry since
2017
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

2736 N Clark St
Chicago, IL 60614-1503
Phone: (773) 248-8866
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 046.011575 (IL)
Optometrist Taxonomy 152W00000X · Licence 1467 (NE)

Record details

NPI number1427578681
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedJune 20, 2017
Last updated in NPPESDecember 21, 2021
Certification dateDecember 21, 2021

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolSOUTHERN COLLEGE OF OPTOMETRY
Graduated 2017 (9 years in practice)
Group practice Charles S Ovitsky Pc — 14 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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