ANDERS DALLUM LMHCA
NPI 1598547176
Counselor - Professional in Seattle, WA

NPI Status: Active since October 18, 2023

Contact Information

2120 1ST AVE N # 210
SEATTLE, WA
ZIP 98109
Phone: (206) 460-3812

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  • Individual
  • Male
  • Counselor
  • Professional

About ANDERS DALLUM

This page provides the complete NPI Profile along with additional information for Anders Dallum, a provider established in Seattle, Washington with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1598547176 assigned on October 2023. The practitioner's primary taxonomy code is 101YP2500X with license number MHCLH70028936 (WA). The provider is registered as an individual and his NPI record was last updated March 2026.

NPI
1598547176
Provider Name
ANDERS DALLUM LMHCA
Gender
Male
Entity Type
Individual
Location Address
2120 1ST AVE N # 210 SEATTLE, WA 98109
Location Phone
(206) 460-3812
Mailing Address
2719 E MADISON ST STE 301 SEATTLE, WA 98112
Is Sole Proprietor?
No
Enumeration Date
10-18-2023
Last Update Date
03-31-2026
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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 Professional

Taxonomy Code
101YP2500X
Type
Behavioral Health & Social Service Providers
License No.
MHCLH70028936
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 1598547176, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
5
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
8
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
4
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
1
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
6
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 9 → 18 → 9 5 → 10 → 1 7 → 14 → 5 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 8 + 8 + 1 + 0 + 4 + 1 + 4 + 1 + 1 + 4 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1598547176.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Counselor (Mental Health)
2120 1ST AVE N # 210
SEATTLE, WA 98109
Social Worker (Clinical)
2120 1ST AVE N # 210
SEATTLE, WA 98109
Counselor (Mental Health)
2120 1ST AVE N # 210
SEATTLE, WA 98109

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1598547176, enumerated as an "individual" on October 18, 2023.

The provider is located at 2120 1ST AVE N # 210 SEATTLE, WA 98109 and the phone number is (206) 460-3812.

Counselor with taxonomy code 101YP2500X and a focus in Professional.