KEITH JOHNSON
NPI 1154803823
Counselor - Mental Health in Seattle, WA

NPI Status: Active since August 30, 2018

Contact Information

325 9TH AVE
SEATTLE, WA
ZIP 98104
Phone: (206) 744-3000

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

Individual
Male
Counselor
Mental Health

About KEITH JOHNSON

This page provides the complete NPI Profile along with additional information for Keith Johnson, a provider established in Seattle, Washington with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1154803823 assigned on August 2018. The practitioner's primary taxonomy code is 101YM0800X with license number MHCA.MC.70062312 (WA). The provider is registered as an individual and his NPI record was last updated April 2026.

NPI: 1154803823
Provider Name: KEITH JOHNSON
Gender: Male
Entity Type: Individual
Location Address: 325 9TH AVE SEATTLE, WA 98104
Location Phone: (206) 744-3000
Mailing Address: 167 11TH AVE APT 602 SEATTLE, WA 98122
Mailing Phone: (206) 778-5913
Is Sole Proprietor?: No
Enumeration Date: 08-30-2018
Last Update Date: 04-01-2026
Code Navigator

A mental health counselor like Keith Johnson provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

Location Map

Secondary Locations

167 11th Ave Apt 602
Seattle, WA 98122
(206) 778-5913

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: Counselor Mental Health
Taxonomy Code: 101YM0800X
Type: Behavioral Health & Social Service Providers
License No.: MHCA.MC.70062312
License State: WA

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No.	Taxonomy Code	Type	Classification / Specialization	License No. (State)
1	175T00000X	Other Service Providers	Peer Specialist

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 1154803823, 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 10 → 1 + 0

Pos 4

Unchanged

Pos 5

Doubled → 16 → 1 + 6

Pos 6

Unchanged

Pos 7

Doubled → 6

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 5 → 10 → 1 8 → 16 → 7 3 → 6 2 → 4