ALEXANDER COOKE MD
NPI 1639973746
Radiology - Radiation Oncology in Chicago, IL

Active since April 01, 2025PECOS Enrolled
5841 S MARYLAND AVE, CHICAGO, IL 60637(773) 702-0817(773) 834-7233 Get Directions Write a Review

NPPES record last updated: May 20, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 20, 2026, Apr 1, 2025 (2 updates tracked since 2025).

About Alexander Cooke Md NPPES

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

ALEXANDER COOKE MD (NPI 1639973746) is an individual radiation oncology provider in Chicago, Illinois, licensed in Illinois (125.087091) and active in the NPI registry since April 2025. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639973746
Entity TypeIndividualMale
Primary Taxonomy2085R0001X
Provider Legal NameALEXANDER COOKECredential: MD
Location Address5841 S MARYLAND AVEChicago, IL 60637-1443
Mailing Address180 Harvester Dr Ste 110Burr Ridge, IL 60527-6686 · (773) 702-1150
Fax(773) 834-7233
Sole ProprietorNo
Enumeration DateApril 1, 2025
Last NPPES UpdateMay 20, 20262 updates tracked since enumeration
NPPES CertifiedMay 20, 2026
NPI 1639973746 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
License Licensed in IL · 125.087091
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
5841 S MARYLAND AVE, Chicago, IL 60637

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Alexander Cooke Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 60637 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
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Radiology (Diagnostic Radiology)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Neurological Surgery
5841 S MARYLAND AVE
CHICAGO, IL 60637
Pathology (Hematology)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE
CHICAGO, IL 60637

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 Alexander Cooke's NPI number?

The NPI number for Alexander Cooke is 1639973746. It was assigned to this individual provider in the NPPES registry on April 1, 2025.

Where is Alexander Cooke located?

Alexander Cooke practices at 5841 S Maryland Ave, Chicago, IL 60637. The listed phone number is (773) 702-0817.

What is Alexander Cooke's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Alexander Cooke enrolled in Medicare?

Yes. Alexander Cooke is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Alexander Cooke was last updated on May 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.