RILEY JAMISON LMHCA
NPI 1881535664
Counselor - Mental Health in Seattle, WA

NPI Status: Active since April 03, 2026

Contact Information

1100 NE 45TH ST
SEATTLE, WA
ZIP 98105
Phone: (206) 538-2305

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  • Individual
  • Female
  • Counselor
  • Mental Health

About RILEY JAMISON

This page provides the complete NPI Profile along with additional information for Riley Jamison, 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 1881535664 assigned on April 2026. The practitioner's primary taxonomy code is 101YM0800X with license number MC61573029 (WA). The provider is registered as an individual and her NPI record was last updated April 2026.

NPI
1881535664
Provider Name
RILEY JAMISON LMHCA
Gender
Female
Entity Type
Individual
Location Address
1100 NE 45TH ST SEATTLE, WA 98105
Location Phone
(206) 538-2305
Mailing Address
2539 13TH AVE S UNIT 102 SEATTLE, WA 98144
Mailing Phone
(608) 669-8457
Is Sole Proprietor?
Yes
Enumeration Date
04-03-2026
Last Update Date
04-03-2026
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A mental health counselor like Riley Jamison 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.

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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

Counselor Mental Health

Taxonomy Code
101YM0800X
Type
Behavioral Health & Social Service Providers
License No.
MC61573029
License State
WA

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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 1881535664, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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
8
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
1
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
3
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
6
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
4
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 5 → 10 → 1 5 → 10 → 1 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 6 + 1 + 1 + 0 + 3 + 1 + 0 + 6 + 1 + 2 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1881535664.

Other Providers at the Same Location


The following 7 providers are registered at the same or a nearby location.

Counselor (Mental Health)
1100 NE 45TH ST, SUITE 600
SEATTLE, WA 98105
Counselor (Mental Health)
1100 NE 45TH ST, SUITE 600
SEATTLE, WA 98105
Counselor (Mental Health)
1100 NE 45TH ST, SUITE 600
SEATTLE, WA 98105
Counselor (Mental Health)
1100 NE 45TH ST, STE 600
SEATTLE, WA 98105
Counselor (Mental Health)
1100 NE 45TH ST, SUITE 600
SEATTLE, WA 98105
Dietitian, Registered
1100 NE 45TH ST, SUITE 600
SEATTLE, WA 98105
Dietitian, Registered
1100 NE 45TH ST
SEATTLE, WA 98105

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1881535664, enumerated as an "individual" on April 03, 2026.

The provider is located at 1100 NE 45TH ST SEATTLE, WA 98105 and the phone number is (206) 538-2305.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.