MALEK AYOUB MD
NPI 1609510981
Internal Medicine - Gastroenterology in Chicago, IL

Q: What is Malek Ayoub's NPI number?

The NPI number for Malek Ayoub is 1609510981. It was assigned to this individual provider in the NPPES registry on April 23, 2022.

Q: What is Malek Ayoub's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Malek Ayoub was last updated on May 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.

Active since April 23, 2022PECOS Enrolled

5841 S MARYLAND AVE # MC4076, CHICAGO, IL 60637(773) 795-1824(773) 702-2182 Get Directions Write a Review

NPPES record last updated: May 17, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 17, 2025, Apr 23, 2022 (2 updates tracked since 2022).

On this page

About Malek Ayoub Md NPPES

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

MALEK AYOUB MD (NPI 1609510981) is an individual gastroenterology provider in Chicago, Illinois, licensed in Illinois (036.173747) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS and maintains a secondary practice location in Saint Louis.

NPPES Registry Identity

NPI1609510981

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameMALEK AYOUBCredential: MD

Location Address5841 S MARYLAND AVE # MC4076Chicago, IL 60637-1443

Mailing Address180 Harvester Dr Ste 110Burr Ridge, IL 60527-4503 · (773) 702-1150

Phone(773) 795-1824

Fax(773) 702-2182

Sole ProprietorNo

Enumeration DateApril 23, 2022

Last NPPES UpdateMay 17, 20252 updates tracked since enumeration

NPPES CertifiedMay 17, 2025

✔ NPI 1609510981 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in IL · 036.173747

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Also ListedInternal MedicineTaxonomy 207R00000X · License 2022019854 (MO)

5841 S MARYLAND AVE # MC4076, Chicago, IL 60637

Open in Google Maps ↗

Secondary Practice Location 1

Location 11 Barnes Jewish Hospital PlzSaint Louis, MO 63110-1003 · Phone (314) 362-8061

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Malek Ayoub 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

$138.86 typical visit price

range $60.08 – $183.39

Typical copayment $34.71 (range $15.02 – $45.84)

Most-billed visit code 99204

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.

Other Providers at the Same Location NPPES 16

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

RANGESH MUKUNDBHAI MODI

Internal Medicine