Doctor profile · Federal record

Dr. Sara Slezak, D.O.

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Chicago, IL

  • NPI 1285128926
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2001 S California Ave Ste 100
Chicago, IL 606082486
(773) 584-6200
Additional location
5140 N California Ave Ste 605
Chicago, IL 606253645
(773) 878-7787
fax (773) 878-0788
Mailing address
2650 Ridge Ave Ste 1223
Evanston, IL 602011700

Credentials & registration

NPPES · NUCC
NPI registered
June 2018 — 8 yrs on file
Profile last updated
January 22, 2026
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Illinois #036.161001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285128926. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$15
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Exact Sciences Corporation 1 $15.10

By nature of payment

Food and Beverage
$15

Frequently asked questions

Auto-generated from federal data
What is Dr. Sara Slezak's medical specialty?
Dr. Sara Slezak practices Obstetrics & Gynecology Physician in Chicago, IL.
Where does Dr. Sara Slezak practice?
Dr. Sara Slezak practices at 2001 S California Ave Ste 100, Chicago, IL 606082486. Office phone: 7735846200.
What is Dr. Sara Slezak's NPI?
Dr. Sara Slezak's National Provider Identifier (NPI) is 1285128926, issued by NPPES.
Does Dr. Sara Slezak accept Medicare assignment?
Yes. Dr. Sara Slezak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.