GUSTAVO LEON MD
NPI 1144021494
Radiology - Diagnostic Radiology in Chicago, IL

Q: What is Gustavo Leon's NPI number?

The NPI number for Gustavo Leon is 1144021494. It was assigned to this individual provider in the NPPES registry on March 22, 2025.

Q: What is Gustavo Leon's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Q: When was this NPI record last updated?

The NPPES record for Gustavo Leon was last updated on June 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 60 days 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.

Active since March 22, 2025PECOS Enrolled

5841 S MARYLAND AVE, CHICAGO, IL 60637(773) 702-9662 Get Directions Write a Review

NPPES record last updated: June 19, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 11, 2026, May 9, 2026, Mar 22, 2025 (3 updates tracked since 2025).

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About Gustavo Leon Md NPPES

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

GUSTAVO LEON MD (NPI 1144021494) is an individual diagnostic radiology provider in Chicago, Illinois, licensed in Illinois (125.087069) and active in the NPI registry since March 2025. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1144021494

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameGUSTAVO LEONCredential: MD

Location Address5841 S MARYLAND AVEChicago, IL 60637-1443

Mailing Address180 Harvester Dr Ste 110Burr Ridge, IL 60527-6686 · (773) 702-1150

Phone(773) 702-9662

Sole ProprietorYes

Enumeration DateMarch 22, 2025

Last NPPES UpdateJune 19, 20263 updates tracked since enumeration

NPPES CertifiedJune 19, 2026

✔ NPI 1144021494 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in IL · 125.087069

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

5841 S MARYLAND AVE, Chicago, IL 60637

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gustavo Leon 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

$94.06 typical visit price

range $60.08 – $183.39

Typical copayment $23.51 (range $15.02 – $45.84)

Most-billed visit code 99203

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.

DR. DON MARTINEZ M.D.

Radiology (Diagnostic Radiology)