Doctor profile · Federal record

Dr. Allison Saiz, MD

Gynecologic Oncology Physician (CMS: Gynecological Oncology) · Student in an Organized Health Care Education/Training Program · Chicago, IL

  • NPI 1174910657
  • Accepts Medicare
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
250 E Superior St Ste 5-2175
Chicago, IL 606112914
(312) 472-3970
Additional location
4860 Y St Ste 2500
Sacramento, CA 958172307
(916) 734-6900

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
December 7, 2022
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207VX0201X — NUCC code
State license (1)
Illinois #036-149901

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174910657. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$164
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Stryker Corporation 2 $163.86

By nature of payment

Food and Beverage
$164

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
195
Patients
193
Total drug cost
$1,394
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 79 77 $519
Ondansetron Odt (Ondansetron) Brand 61 61 $346
Ibuprofen Generic 55 55 $529

Frequently asked questions

Auto-generated from federal data
What is Dr. Allison Saiz's medical specialty?
Dr. Allison Saiz practices Gynecologic Oncology Physician in Chicago, IL.
Where does Dr. Allison Saiz practice?
Dr. Allison Saiz practices at 250 E Superior St Ste 5-2175, Chicago, IL 606112914. Office phone: 3124723970.
What is Dr. Allison Saiz's NPI?
Dr. Allison Saiz's National Provider Identifier (NPI) is 1174910657, issued by NPPES.
Does Dr. Allison Saiz accept Medicare assignment?
Yes. Dr. Allison Saiz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.