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

Individual provider Optometrist · NPI 1912976044

Marianna Bilis, OD is an Optometry in Chicago, Illinois. Graduated from Illinois College of Optometry at Chicago in 1996, 30 years ago. Practices with Charles S Ovitsky PC, a 14-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
30
Trained at
Illinois College of Optometry at Chicago
Licensed in
IL
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

3500 W Peterson Ave Ste 401
Chicago, IL 60659-3306
Phone: (773) 588-3090
Fax: (773) 588-3210
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 046008924 (IL)

Record details

NPI number1912976044
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedMarch 14, 2006
Last updated in NPPESMarch 30, 2017

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolILLINOIS COLLEGE OF OPTOMETRY AT CHICAGO
Graduated 1996 (30 years in practice)
Group practice Charles S Ovitsky Pc — 14 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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