DR. GREGORY ROBERT JOHNSON D.C.
NPI 1003255282
Chiropractor in Federal Way, WA

NPI Status: Active since June 20, 2013

Contact Information

33400 13TH PL S
FEDERAL WAY, WA
ZIP 98003
Phone: (253) 838-6070
Fax: (253) 838-6069

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

Individual
Male
Chiropractor

About GREGORY JOHNSON

This page provides the complete NPI Profile along with additional information for Gregory Johnson, a provider established in Federal Way, Washington with a medical specialization in Chiropractor. The healthcare provider is registered in the NPI registry with number 1003255282 assigned on June 2013. The practitioner's primary taxonomy code is 111N00000X with license number CH60377651 (WA). The provider is registered as an individual and his NPI record was last updated 13 years ago.

NPI: 1003255282
Provider Name: DR. GREGORY ROBERT JOHNSON D.C.
Gender: Male
Entity Type: Individual
Location Address: 33400 13TH PL S FEDERAL WAY, WA 98003
Location Phone: (253) 838-6070
Location Fax: (253) 838-6069
Mailing Address: 33400 13TH PL S FEDERAL WAY, WA 98003
Mailing Phone: (253) 838-6070
Mailing Fax: (253) 838-6069
Is Sole Proprietor?: No
Enumeration Date: 06-20-2013
Last Update Date: 06-20-2013
Code Navigator

A chiropractor like Gregory Johnson helps patients with problems of the neuromusculoskeletal system, which includes nerves, bones, muscles, ligaments, and tendons. Chiropractors use spinal adjustments and manipulation, as well as other clinical interventions, to manage health issues such as back and neck pain. Some chiropractors apply procedures like massage therapy, rehabilitative exercise, ultrasound and spinal adjustments and manipulation. A chiropractor focuses on the patients overall health and might refer patients to other healthcare professionals if necessary.

Location Map

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: Chiropractor
Taxonomy Code: 111N00000X
Type: Chiropractic Providers
License No.: CH60377651
License State: WA
Taxonomy Description: A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.

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 1003255282, we treat the final digit (2) 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 48. The final step is to find the difference between that total and the next multiple of ten (50 - 48 = 2).

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 → 4

Pos 6

Unchanged

Pos 7

Doubled → 10 → 1 + 0

Pos 8

Unchanged

Pos 9

Doubled → 16 → 1 + 6

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 2 → 4 5 → 10 → 1 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 0 + 3 + 4 + 5 + 1 + 0 + 2 + 1 + 6 + 24 = 48

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

The next multiple of ten after 48 is 50. The difference is the calculated check digit.

50 - 48 = 2

This NPI is valid

The calculated check digit is 2, which matches the last digit of 1003255282.