AHMAD HEFNAWY MOHAMMAD HEFNAWY
NPI 1891415857
Urology in Chicago, IL

NPI Status: Active since August 30, 2022

Contact Information

1740 W TAYLOR ST
CHICAGO, IL
ZIP 60612
Phone: (929) 571-8905

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  • Individual
  • Male
  • Urology

About AHMAD HEFNAWY

This page provides the complete NPI Profile along with additional information for Ahmad Hefnawy, a provider established in Chicago, Illinois with a medical specialization in Urology. The healthcare provider is registered in the NPI registry with number 1891415857 assigned on August 2022. The practitioner's primary taxonomy code is 208800000X with license number 125081061 (IL). The provider is registered as an individual and his NPI record was last updated 4 years ago.

NPI
1891415857
Provider Name
AHMAD HEFNAWY MOHAMMAD HEFNAWY
Gender
Male
Entity Type
Individual
Location Address
1740 W TAYLOR ST CHICAGO, IL 60612
Location Phone
(929) 571-8905
Mailing Address
1740 W TAYLOR ST CHICAGO, IL 60612
Mailing Phone
(929) 571-8905
Is Sole Proprietor?
No
Enumeration Date
08-30-2022
Last Update Date
08-30-2022
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Urology

Taxonomy Code
208800000X
Type
Allopathic & Osteopathic Physicians
License No.
125081061
License State
IL
Taxonomy Description
A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1891415857, we treat the final digit (7) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
8
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
4
Doubled → 8
Pos 6
1
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
8
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
7
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 9 → 18 → 9 4 → 8 5 → 10 → 1 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 8 + 1 + 8 + 1 + 8 + 1 + 1 + 0 + 8 + 1 + 0 + 24 = 63

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1891415857.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine (Cardiovascular Disease)
1740 W TAYLOR ST, DEPT 3462
CHICAGO, IL 60612
Anesthesiology
1740 W TAYLOR ST, DEPT 3452
CHICAGO, IL 60612
Neurological Surgery
1740 W TAYLOR ST
CHICAGO, IL 60612
Internal Medicine
1740 W TAYLOR ST
CHICAGO, IL 60612
Neurological Surgery
1740 W TAYLOR ST
CHICAGO, IL 60612
Neurological Surgery
1740 W TAYLOR ST
CHICAGO, IL 60612
Internal Medicine (Cardiovascular Disease)
1740 W TAYLOR ST
CHICAGO, IL 60612
Internal Medicine (Critical Care Medicine)
1740 W TAYLOR ST
CHICAGO, IL 60612
Durable Medical Equipment & Medical Supplies
1740 W TAYLOR ST
CHICAGO, IL 60612
Internal Medicine (Infectious Disease)
1740 W TAYLOR ST
CHICAGO, IL 60612
Internal Medicine (Hematology & Oncology)
1740 W TAYLOR ST
CHICAGO, IL 60612
Internal Medicine (Critical Care Medicine)
1740 W TAYLOR ST
CHICAGO, IL 60612
Ophthalmology
1740 W TAYLOR ST
CHICAGO, IL 60612
Ophthalmology
1740 W TAYLOR ST
CHICAGO, IL 60612
Ophthalmology
1740 W TAYLOR ST
CHICAGO, IL 60612
Ophthalmology
1740 W TAYLOR ST, DEPT 3460
CHICAGO, IL 60612
Ophthalmology
1740 W TAYLOR ST
CHICAGO, IL 60612
Internal Medicine (Nephrology)
1740 W TAYLOR ST
CHICAGO, IL 60612
Psychiatry & Neurology (Neurology)
1740 W TAYLOR ST, DEPT 3444
CHICAGO, IL 60612
Pediatrics
1740 W TAYLOR ST
CHICAGO, IL 60612

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891415857, enumerated as an "individual" on August 30, 2022.

The provider is located at 1740 W TAYLOR ST CHICAGO, IL 60612 and the phone number is (929) 571-8905.

Urology with taxonomy code 208800000X.