MICHAEL GACHAU COUNSELOR
NPI 1104606094
Counselor - Addiction (Substance Use Disorder) in Spanaway, WA

NPI Status: Active since September 29, 2023

Contact Information

201 160TH ST S STE 101
SPANAWAY, WA
ZIP 98387
Phone: (253) 904-6038
Fax: (253) 409-2622

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  • Individual
  • Male
  • Counselor
  • Addiction (Substance Use Disorder)

About MICHAEL GACHAU

This page provides the complete NPI Profile along with additional information for Michael Gachau, a provider established in Spanaway, Washington with a medical specialization in Counselor, focusing in addiction (substance use disorder) . The healthcare provider is registered in the NPI registry with number 1104606094 assigned on September 2023. The practitioner's primary taxonomy code is 101YA0400X with license number CP61491980 (WA). The provider is registered as an individual and his NPI record was last updated December 2025.

NPI
1104606094
Provider Name
MICHAEL GACHAU COUNSELOR
Gender
Male
Entity Type
Individual
Location Address
201 160TH ST S STE 101 SPANAWAY, WA 98387
Location Phone
(253) 904-6038
Location Fax
(253) 409-2622
Mailing Address
201 160TH ST S STE 101 SPANAWAY, WA 98387
Mailing Phone
(253) 904-6038
Mailing Fax
(253) 409-2622
Is Sole Proprietor?
No
Enumeration Date
09-29-2023
Last Update Date
12-18-2025
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A Substance Abuse or Addiction Counselor like Michael Gachau advices patients who experience alcoholism, drug addiction, eating disorders, mental health issues, or other mental or behavioral problems. Substance Abuse counselors provide treatment and support to help clients recover from addiction or modify problem behaviors. Many counselors incorporate the principles of 12-step programs, such as Alcoholics Anonymous (AA). They educate clients how to cope with stress and life’s issues in ways that help them recover. Counselors also help patients improve their personal relationships and find ways to discuss their addiction or other problems with family and friends.

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 Addiction (Substance Use Disorder)

Taxonomy Code
101YA0400X
Type
Behavioral Health & Social Service Providers
License No.
CP61491980
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)
1101YM0800XBehavioral Health & Social Service Providers

Counselor
Mental Health

MC70075130 (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 1104606094, 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 46. The final step is to find the difference between that total and the next multiple of ten (50 - 46 = 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
1
Unchanged
Pos 3
0
Doubled → 0
Pos 4
4
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
0
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
0
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 0 → 0 6 → 12 → 3 6 → 12 → 3 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 0 + 4 + 1 + 2 + 0 + 1 + 2 + 0 + 1 + 8 + 24 = 46

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

The next multiple of ten after 46 is 50. The difference is the calculated check digit.

50 - 46 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1104606094.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Counselor
201 160TH ST S STE 101
SPANAWAY, WA 98387
Counselor (Mental Health)
201 160TH ST S STE 101
SPANAWAY, WA 98387
Counselor
201 160TH ST S STE 101
SPANAWAY, WA 98387
Counselor (Mental Health)
201 160TH ST S STE 101
SPANAWAY, WA 98387
Social Worker (Clinical)
201 160TH ST S STE 101
SPANAWAY, WA 98387
Counselor (Mental Health)
201 160TH ST S STE 101
SPANAWAY, WA 98387

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1104606094, enumerated as an "individual" on September 29, 2023.

The provider is located at 201 160TH ST S STE 101 SPANAWAY, WA 98387 and the phone number is (253) 904-6038.

Counselor with taxonomy code 101YA0400X and a focus in Addiction (Substance Use Disorder).