JOHN GADDIS
NPI 1508141029
Clinical Exercise Physiologist in Tyler, TX

NPI Status: Active since October 15, 2011

Contact Information

701 OLYMPIC PLAZA CIR
TYLER, TX
ZIP 75701
Phone: (903) 596-3234

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Clinical Exercise Physiologist

About JOHN GADDIS

This page provides the complete NPI Profile along with additional information for John Gaddis, a provider established in Tyler, Texas with a medical specialization in Clinical Exercise Physiologist. The healthcare provider is registered in the NPI registry with number 1508141029 assigned on October 2011. The practitioner's primary taxonomy code is 224Y00000X. The provider is registered as an individual and his NPI record was last updated 15 years ago.

NPI: 1508141029
Provider Name: JOHN GADDIS
Gender: Male
Entity Type: Individual
Location Address: 701 OLYMPIC PLAZA CIR TYLER, TX 75701
Location Phone: (903) 596-3234
Mailing Address: 701 OLYMPIC PLAZA CIR TYLER, TX 75701
Is Sole Proprietor?: No
Enumeration Date: 10-15-2011
Last Update Date: 10-15-2011
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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: Clinical Exercise Physiologist
Taxonomy Code: 224Y00000X
Type: Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Description: A Clinical Exercise Physiologist is a health care professional who is trained to work with patients with chronic disease where exercise training has been shown to be of therapeutic benefit, including but not limited to cardiovascular and pulmonary disease, and metabolic disorders.

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 1508141029, 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 0

Pos 4

Unchanged

Pos 5

Doubled → 2

Pos 6

Unchanged

Pos 7

Doubled → 2

Pos 8

Unchanged

Pos 9

Doubled → 4

Check

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 0 → 0 1 → 2 1 → 2 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 0 + 8 + 2 + 4 + 2 + 0 + 4 + 24 = 51

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

The next multiple of ten after 51 is 60. The difference is the calculated check digit.

60 - 51 = 9

This NPI is valid

The calculated check digit is 9, which matches the last digit of 1508141029.