DR. WILLIAM NORTON PH.D.
NPI 1043523160
Psychologist - Cognitive & Behavioral in Lansing, MI

NPI Status: Active since July 18, 2010

Contact Information

2535 E MOUNT HOPE AVE
LANSING, MI
ZIP 48910
Phone: (517) 775-7925

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Psychologist
Cognitive & Behavioral

About WILLIAM NORTON

This page provides the complete NPI Profile along with additional information for William Norton, a provider established in Lansing, Michigan with a medical specialization in Psychologist, focusing in cognitive & behavioral . The healthcare provider is registered in the NPI registry with number 1043523160 assigned on July 2010. The practitioner's primary taxonomy code is 103TB0200X with license number L1621163 (MI). The provider is registered as an individual and his NPI record was last updated 16 years ago.

NPI: 1043523160
Provider Name: DR. WILLIAM NORTON PH.D.
Gender: Male
Entity Type: Individual
Location Address: 2535 E MOUNT HOPE AVE LANSING, MI 48910
Location Phone: (517) 775-7925
Mailing Address: 324 HIGHLAND AVE EAST LANSING, MI 48823
Mailing Phone: (517) 775-7925
Is Sole Proprietor?: Yes
Enumeration Date: 07-18-2010
Last Update Date: 07-18-2010
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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: Psychologist Cognitive & Behavioral
Taxonomy Code: 103TB0200X
Type: Behavioral Health & Social Service Providers
License No.: L1621163
License State: MI
Taxonomy Description: A psychologist who reflects an experimental-clinical approach distinguished by use of principles of human learning and development and theories of cognitive processing to promote meaningful change in maladaptive human behavior and thinking.

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 1043523160, 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 50. The final step is to find the difference between that total and the next multiple of ten (50 - 50 = 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 8

Pos 4

Unchanged

Pos 5

Doubled → 10 → 1 + 0

Pos 6

Unchanged

Pos 7

Doubled → 6

Pos 8

Unchanged

Pos 9

Doubled → 12 → 1 + 2

Check

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 4 → 8 5 → 10 → 1 3 → 6 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 8 + 3 + 1 + 0 + 2 + 6 + 1 + 1 + 2 + 24 = 50

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

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

50 - 50 = 0

This NPI is valid

The calculated check digit is 0, which matches the last digit of 1043523160.