CALVIN LINDER COUNSELING PLLC
NPI 1639015977
Counselor - Mental Health in Seattle, WA
NPI Status: Active since April 28, 2026
Contact Information
450 ALASKAN WAY S STE 200
SEATTLE, WA
ZIP 98104
Phone: (206) 486-6121
- Organization
- Counselor
- Mental Health
About CALVIN LINDER COUNSELING PLLC
This page provides the complete NPI Profile along with additional information for Calvin Linder Counseling Pllc, a provider established in Seattle, Washington operating as a Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1639015977 assigned on April 2026. The practitioner's primary taxonomy code is 101YM0800X. The provider is registered as an organization and their NPI record was last updated April 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Calvin David Linder Lmhc (Managing Member)
- NPI
- 1639015977
- Provider Name
- CALVIN LINDER COUNSELING PLLC
- Entity Type
- Organization
- Location Address
- 450 ALASKAN WAY S STE 200 SEATTLE, WA 98104
- Location Phone
- (206) 486-6121
- Mailing Address
- 450 ALASKAN WAY S STE 200 SEATTLE, WA 98104
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 04-28-2026
- Last Update Date
- 04-28-2026
- Code Navigator
A mental health counselor like Calvin Linder Counseling Pllc 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
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
Group Taxonomy 193400000X SINGLE SPECIALTY GROUP
This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.
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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 1639015977, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 63 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
SEATTLE, WA 98104
SEATTLE, WA 98104
SEATTLE, WA 98104
SEATTLE, WA 98104
SEATTLE, WA 98104
SEATTLE, WA 98104
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1639015977, enumerated as an "organization" on April 28, 2026.
The provider is located at 450 ALASKAN WAY S STE 200 SEATTLE, WA 98104 and the phone number is (206) 486-6121.
Counselor with taxonomy code 101YM0800X and a focus in Mental Health.
