MADELEINE LOUDER LMHCA
NPI 1891591590
Counselor - Mental Health in Federal Way, WA

NPI Status: Active since February 22, 2025

Contact Information

402 S 333RD ST STE 121
FEDERAL WAY, WA
ZIP 98003
Phone: (206) 486-6062

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  • Individual
  • Female
  • Counselor
  • Mental Health

About MADELEINE LOUDER

This page provides the complete NPI Profile along with additional information for Madeleine Louder, a provider established in Federal Way, Washington with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1891591590 assigned on February 2025. The practitioner's primary taxonomy code is 101YM0800X with license number MC61651810 (WA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1891591590
Provider Name
MADELEINE LOUDER LMHCA
Gender
Female
Entity Type
Individual
Location Address
402 S 333RD ST STE 121 FEDERAL WAY, WA 98003
Location Phone
(206) 486-6062
Mailing Address
600 1ST AVE STE 330 SEATTLE, WA 98104
Mailing Phone
(206) 486-6062
Is Sole Proprietor?
No
Enumeration Date
02-22-2025
Last Update Date
02-22-2025
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A mental health counselor like Madeleine Louder 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

  • 600 1st Ave Ste 330
    Seattle, WA 98104
    (206) 486-6062

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.
MC61651810
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 1891591590, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
9
Unchanged
Pos 7
1
Doubled → 2
Pos 8
5
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
0
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 1 → 2 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 1 + 0 + 9 + 2 + 5 + 1 + 8 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1891591590.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Counselor (Mental Health)
402 S 333RD ST STE 121
FEDERAL WAY, WA 98003

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891591590, enumerated as an "individual" on February 22, 2025.

The provider is located at 402 S 333RD ST STE 121 FEDERAL WAY, WA 98003 and the phone number is (206) 486-6062.

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