DR. WILLIAM DAVID CREWS JR. PH.D.
NPI 1851801708
Clinical Neuropsychologist in Lynchburg, VA

NPI Status: Active since October 05, 2017

Contact Information

118 DREAMING CREEK DR
LYNCHBURG, VA
ZIP 24502
Phone: (434) 239-5043

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  • Individual
  • Male
  • Clinical Neuropsychologist

About WILLIAM CREWS

This page provides the complete NPI Profile along with additional information for William Crews, a provider established in Lynchburg, Virginia with a medical specialization in Clinical Neuropsychologist. The healthcare provider is registered in the NPI registry with number 1851801708 assigned on October 2017. The practitioner's primary taxonomy code is 103G00000X with license number 0810002441 (VA). The provider is registered as an individual and his NPI record was last updated 9 years ago.

NPI
1851801708
Provider Name
DR. WILLIAM DAVID CREWS JR. PH.D.
Gender
Male
Entity Type
Individual
Location Address
118 DREAMING CREEK DR LYNCHBURG, VA 24502
Location Phone
(434) 239-5043
Mailing Address
118 DREAMING CREEK DR LYNCHBURG, VA 24502
Mailing Phone
(434) 239-5043
Is Sole Proprietor?
Yes
Enumeration Date
10-05-2017
Last Update Date
10-05-2017
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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 No.
0810002441
License State
VA
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 1851801708, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

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
5
Doubled → 10 → 1 + 0
Pos 4
1
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
0
Unchanged
Pos 7
1
Doubled → 2
Pos 8
7
Unchanged
Pos 9
0
Doubled → 0
Check
8
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 5 → 10 → 1 8 → 16 → 7 1 → 2 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 0 + 1 + 1 + 6 + 0 + 2 + 7 + 0 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1851801708.

Other Providers at the Same Location


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

Community/Behavioral Health
118 DREAMING CREEK DR
LYNCHBURG, VA 24502

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1851801708, enumerated as an "individual" on October 05, 2017.

The provider is located at 118 DREAMING CREEK DR LYNCHBURG, VA 24502 and the phone number is (434) 239-5043.

Clinical Neuropsychologist with taxonomy code 103G00000X.