DR. BRIAN KNOWLES PSYD
NPI 1134833890
Clinical Neuropsychologist in Puyallup, WA

NPI Status: Active since January 09, 2023

Contact Information

2921 5TH AVE NE STE 210
PUYALLUP, WA
ZIP 98372
Phone: (808) 647-0157

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  • Individual
  • Male
  • Clinical Neuropsychologist

About BRIAN KNOWLES

This page provides the complete NPI Profile along with additional information for Brian Knowles, a provider established in Puyallup, Washington with a medical specialization in Clinical Neuropsychologist. The healthcare provider is registered in the NPI registry with number 1134833890 assigned on January 2023. The practitioner's primary taxonomy code is 103G00000X. The provider is registered as an individual and his NPI record was last updated 3 years ago.

NPI
1134833890
Provider Name
DR. BRIAN KNOWLES PSYD
Gender
Male
Entity Type
Individual
Location Address
2921 5TH AVE NE STE 210 PUYALLUP, WA 98372
Location Phone
(808) 647-0157
Mailing Address
4732 E R ST TACOMA, WA 98404
Mailing Phone
(808) 647-0157
Is Sole Proprietor?
Yes
Enumeration Date
01-09-2023
Last Update Date
01-09-2023
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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

Clinical Neuropsychologist

Taxonomy Code
103G00000X
Type
Behavioral Health & Social Service Providers
License State
WA
Taxonomy Description
A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.

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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 1134833890, 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
1
Unchanged
Pos 3
3
Doubled → 6
Pos 4
4
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
3
Unchanged
Pos 7
3
Doubled → 6
Pos 8
8
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 3 → 6 8 → 16 → 7 3 → 6 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 + 6 + 4 + 1 + 6 + 3 + 6 + 8 + 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 1134833890.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Counselor (Mental Health)
2921 5TH AVE NE STE 210
PUYALLUP, WA 98372
Counselor (Mental Health)
2921 5TH AVE NE STE 210
PUYALLUP, WA 98372
Social Worker (Clinical)
2921 5TH AVE NE STE 210
PUYALLUP, WA 98372
Student in an Organized Health Care Education/Training Program
2921 5TH AVE NE STE 210
PUYALLUP, WA 98372

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1134833890, enumerated as an "individual" on January 09, 2023.

The provider is located at 2921 5TH AVE NE STE 210 PUYALLUP, WA 98372 and the phone number is (808) 647-0157.

Clinical Neuropsychologist with taxonomy code 103G00000X.