MALEK AYOUB MD – NPI #1609510981
Internal Medicine
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.
MALEK AYOUB is a physician located in CHICAGO, IL. NPPES has assigned the NPI number 1609510981 to MALEK AYOUB on April 23, 2022. It is a Type-1 NPI, indicating this NPI number is associated with an individual. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 207RG0100X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Gastroenterology
The NPI profile was last updated on May 17, 2025. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for MALEK AYOUB below.
NPI Profile for
MALEK AYOUB
(more than 4 years ago)
CHICAGO, IL 60637-1443 Phone: (773) 795-1824 Fax: (773) 702-2182
1 Other location(s):
Saint Louis, MO 63110-1003
Phone: (314) 362-8061
BURR RIDGE, IL 60527-4503 Phone: (773) 702-1150 Fax:
Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.
A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.
| Taxonomy Classification / Specialization | State | License |
|---|---|---|
| 207RG0100X - Internal Medicine / Gastroenterology (Primary) |
IL | 036.173747 |
| 207R00000X - Internal Medicine |
MO | 2022019854 |
The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.
Additional Information
- Refer to Part B
- Order Durable Medical Equipment
- Refer to Home Health Agency
- Order Power Mobility Devices
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