DAVID C MARDER M.D., M.P.H
NPI 1497868913
Preventive Medicine - Preventive Medicine/Occupational Environmental Medicine in Chicago, IL

NPI Status: Active since August 17, 2006

Contact Information

1740 W TAYLOR ST
CHICAGO, IL
ZIP 60612
Phone: (866) 600-2273

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  • Individual
  • Male
  • Preventive Medicine
  • Preventive Medicine/Occupational Environ...

About DAVID MARDER

This page provides the complete NPI Profile along with additional information for David Marder, a provider established in Chicago, Illinois with a medical specialization in Preventive Medicine, focusing in preventive medicine/occupational environmental medicine . The healthcare provider is registered in the NPI registry with number 1497868913 assigned on August 2006. The practitioner's primary taxonomy code is 2083P0500X with license number 036-070598 (IL). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1497868913
Provider Name
DAVID C MARDER M.D., M.P.H
Gender
Male
Entity Type
Individual
Location Address
1740 W TAYLOR ST CHICAGO, IL 60612
Location Phone
(866) 600-2273
Mailing Address
835 S WOLCOTT AVE E-144 MSB, MC 684 CHICAGO, IL 60612
Mailing Phone
(312) 996-7420
Mailing Fax
Is Sole Proprietor?
No
Enumeration Date
08-17-2006
Last Update Date
11-17-2008
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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

Preventive Medicine Preventive Medicine/Occupational Environmental Medicine

Taxonomy Code
2083P0500X
Type
Allopathic & Osteopathic Physicians
License No.
036-070598
License State
IL
Taxonomy Description
A preventive medicine physician who specializes in preventive medicine/occupational-environmental medicine, which is focused on protecting the population from occupational and environmental conditions.

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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 1497868913, we treat the final digit (3) 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 77. The final step is to find the difference between that total and the next multiple of ten (80 - 77 = 3).

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
4
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
7
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
6
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
9
Unchanged
Pos 9
1
Doubled → 2
Check
3
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 8 → 16 → 7 8 → 16 → 7 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 8 + 7 + 1 + 6 + 6 + 1 + 6 + 9 + 2 + 24 = 77

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

The next multiple of ten after 77 is 80. The difference is the calculated check digit.

80 - 77 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1497868913.

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 1497868913, enumerated as an "individual" on August 17, 2006.

The provider is located at 1740 W TAYLOR ST CHICAGO, IL 60612 and the phone number is (866) 600-2273.

Preventive Medicine with taxonomy code 2083P0500X and a focus in Preventive Medicine/Occupational Environmental Medicine.