ALLISON MARGARET SAIZ MD
NPI 1174910657
Obstetrics & Gynecology - Gynecologic Oncology in Chicago, IL

Active since April 22, 2015PECOS EnrolledAccepts Medicare Assignment
250 E SUPERIOR ST STE 5-2175, CHICAGO, IL 60611(312) 472-3970 Get Directions Write a Review

NPPES record last updated: December 7, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 7, 2022, Jul 3, 2019 (2 updates tracked since 2019).

About Allison Margaret Saiz Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALLISON MARGARET SAIZ MD (NPI 1174910657) is an individual gynecologic oncology provider in Chicago, Illinois, licensed in Illinois (036-149901) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in Sacramento, and is a graduate of University Of Wisconsin School Of Medicine (2015).

NPPES Registry Identity

NPI1174910657
Entity TypeIndividualFemale
Primary Taxonomy207VX0201X
Provider Legal NameALLISON MARGARET SAIZCredential: MD
Location Address250 E SUPERIOR ST STE 5-2175Chicago, IL 60611-2914
Mailing Address250 E Superior St Ste 5-2175Chicago, IL 60611-2914 · (312) 472-3970
Sole ProprietorNo
Medical School CMSUniversity Of Wisconsin School Of MedicineGraduated 2015
Enumeration DateApril 22, 2015
Last NPPES UpdateDecember 7, 20222 updates tracked since enumeration
NPPES CertifiedDecember 7, 2022
NPI 1174910657 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyObstetrics & Gynecology · Gynecologic OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207VX0201X
License Licensed in IL · 036-149901
Definition
An obstetrician/gynecologist who provides consultation and comprehensive management of patients with gynecologic cancer, including those diagnostic and therapeutic procedures necessary for the total care of the patient with gynecologic cancer and resulting complications.
250 E SUPERIOR ST STE 5-2175, Chicago, IL 60611

Secondary Practice Location 1

Location 14860 Y St Ste 2500Sacramento, CA 95817-2307 · Phone (916) 734-6900

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Allison Margaret Saiz Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1557696796
PECOS Enrollment IDI20230120002264
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$183.39 typical visit price
range $60.08 – $183.39
Typical copayment $45.84 (range $15.02 – $45.84)
Most-billed visit code 99205
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Allison Saiz's NPI number?

The NPI number for Allison Saiz is 1174910657. It was assigned to this individual provider in the NPPES registry on April 22, 2015.

Where is Allison Saiz located?

Allison Saiz practices at 250 E Superior St Ste 5-2175, Chicago, IL 60611. The listed phone number is (312) 472-3970.

What is Allison Saiz's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.

Is Allison Saiz enrolled in Medicare?

Yes. Allison Saiz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Allison Saiz was last updated on December 7, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.