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

Dr. Sara Jean Slezak, DO

Individual provider Obstetrics & Gynecology Physician · NPI 1285128926

Dr. Sara Jean Slezak, DO is an Obstetrics/Gynecology in Chicago, Illinois. Graduated from Midwestern University, Chicago College of Osteopathic Med in 2018, 8 years ago. Practices with Endeavor Health Medical Group, a 3,348-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
8
Trained at
Midwestern University, Chicago College of Osteopathic Med
Licensed in
IL
In the registry since
2018
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

2001 S California Ave Ste 100
Chicago, IL 60608-2486
Phone: (773) 584-6200
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 5140 N California Ave Ste 605, Chicago, IL 60625-3645 — (773) 878-7787

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 036.161001 (IL)

Record details

NPI number1285128926
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 17, 2018
Last updated in NPPESJanuary 22, 2026
Certification dateJanuary 22, 2026

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolMIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
Graduated 2018 (8 years in practice)
Group practice Endeavor Health Medical Group — 3348 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

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