MR. HAROLD JEWETT CLARK JR. NMHC, ASSOC
NPI 1366766883
Counselor in Everett, WA

NPI Status: Active since March 26, 2010

Contact Information

5801 23RD DR W
104
EVERETT, WA
ZIP 98203
Phone: (425) 513-8213
Fax: (425) 513-0534

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  • Individual
  • Male
  • Counselor

About HAROLD CLARK

This page provides the complete NPI Profile along with additional information for Harold Clark, a provider established in Everett, Washington with a medical specialization in Counselor. The healthcare provider is registered in the NPI registry with number 1366766883 assigned on March 2010. The practitioner's primary taxonomy code is 101Y00000X. The provider is registered as an individual and his NPI record was last updated 11 years ago.

NPI
1366766883
Provider Name
MR. HAROLD JEWETT CLARK JR. NMHC, ASSOC
Other Name
JAY CLARK
Other Name Type
Other Name (5)
Gender
Male
Entity Type
Individual
Location Address
5801 23RD DR W 104 EVERETT, WA 98203
Location Phone
(425) 513-8213
Location Fax
(425) 513-0534
Mailing Address
5801 23RD DR W 104 EVERETT, WA 98203
Mailing Phone
(425) 513-8213
Mailing Fax
(425) 513-0534
Is Sole Proprietor?
No
Enumeration Date
03-26-2010
Last Update Date
08-26-2015
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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

Taxonomy Code
101Y00000X
Type
Behavioral Health & Social Service Providers
Taxonomy Description
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.

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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 1366766883, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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
3
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
6
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
6
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
8
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
3
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 6 → 12 → 3 7 → 14 → 5 6 → 12 → 3 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 2 + 6 + 1 + 4 + 6 + 1 + 2 + 8 + 1 + 6 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1366766883.

Other Providers at the Same Location


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

Community/Behavioral Health
5801 23RD DR W, 104
EVERETT, WA 98203
Case Manager/Care Coordinator
5801 23RD DR W
EVERETT, WA 98203
Social Worker
5801 23RD DR W
EVERETT, WA 98203

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1366766883, enumerated as an "individual" on March 26, 2010.

The provider is located at 5801 23RD DR W 104 EVERETT, WA 98203 and the phone number is (425) 513-8213.

Counselor with taxonomy code 101Y00000X.