DR. THOMAS KEVIN GALLAGHER M.D.
NPI 1386052629
Transplant Surgery in Chicago, IL

NPI Status: Active since July 31, 2014

Contact Information

676 NORTH ST CLAIR ST
SUITE 1900
CHICAGO, IL
ZIP 60611
Phone: (312) 695-1892

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  • Individual
  • Male
  • Transplant Surgery

About THOMAS GALLAGHER

This page provides the complete NPI Profile along with additional information for Thomas Gallagher, a provider established in Chicago, Illinois with a medical specialization in Transplant Surgery. The healthcare provider is registered in the NPI registry with number 1386052629 assigned on July 2014. The practitioner's primary taxonomy code is 204F00000X with license number 125.065951 (IL). The provider is registered as an individual and his NPI record was last updated 12 years ago.

NPI
1386052629
Provider Name
DR. THOMAS KEVIN GALLAGHER M.D.
Gender
Male
Entity Type
Individual
Location Address
676 NORTH ST CLAIR ST SUITE 1900 CHICAGO, IL 60611
Location Phone
(312) 695-1892
Mailing Address
676 NORTH ST. CLAIR STREET SUITE 1900 CHICAGO, IL 60611
Is Sole Proprietor?
Yes
Enumeration Date
07-31-2014
Last Update Date
09-23-2014
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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

Transplant Surgery

Taxonomy Code
204F00000X
Type
Allopathic & Osteopathic Physicians
License No.
125.065951
License State
IL
Taxonomy Description
A surgeon who specializes in transplant surgery. Source: National Uniform Claim Committee

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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 1386052629, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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
3
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
6
Unchanged
Pos 5
0
Doubled → 0
Pos 6
5
Unchanged
Pos 7
2
Doubled → 4
Pos 8
6
Unchanged
Pos 9
2
Doubled → 4
Check
9
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 8 → 16 → 7 0 → 0 2 → 4 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 6 + 6 + 0 + 5 + 4 + 6 + 4 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1386052629.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
676 NORTH ST CLAIR ST, #1777
CHICAGO, IL 60611

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1386052629, enumerated as an "individual" on July 31, 2014.

The provider is located at 676 NORTH ST CLAIR ST SUITE 1900 CHICAGO, IL 60611 and the phone number is (312) 695-1892.

Transplant Surgery with taxonomy code 204F00000X.