CHAD PARKER JOHNSON PH.D., LCP
NPI 1558736751
Clinical Neuropsychologist in Richmond, VA

NPI Status: Active since December 14, 2015

Contact Information

1250 E MARSHALL ST
CHILD NEUROLOGY
RICHMOND, VA
ZIP 23298
Phone: (804) 828-0442
Fax: (804) 827-0941

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  • Individual
  • Male
  • Clinical Neuropsychologist

About CHAD JOHNSON

This page provides the complete NPI Profile along with additional information for Chad Johnson, a provider established in Richmond, Virginia with a medical specialization in Clinical Neuropsychologist. The healthcare provider is registered in the NPI registry with number 1558736751 assigned on December 2015. The practitioner's primary taxonomy code is 103G00000X with license number 0810005309 (VA). The provider is registered as an individual and his NPI record was last updated 10 years ago.

NPI
1558736751
Provider Name
CHAD PARKER JOHNSON PH.D., LCP
Gender
Male
Entity Type
Individual
Location Address
1250 E MARSHALL ST CHILD NEUROLOGY RICHMOND, VA 23298
Location Phone
(804) 828-0442
Location Fax
(804) 827-0941
Mailing Address
PO BOX 91734 RICHMOND, VA 23291
Mailing Phone
(804) 358-6100
Mailing Fax
(804) 827-0941
Is Sole Proprietor?
No
Enumeration Date
12-14-2015
Last Update Date
12-14-2015
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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

Clinical Neuropsychologist

Taxonomy Code
103G00000X
Type
Behavioral Health & Social Service Providers
License No.
0810005309
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 1558736751, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
5
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
8
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
3
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
7
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
1
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 7 → 14 → 5 6 → 12 → 3 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 0 + 8 + 1 + 4 + 3 + 1 + 2 + 7 + 1 + 0 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1558736751.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine
1250 E MARSHALL ST, OB/GYN
RICHMOND, VA 23298
Psychiatry & Neurology (Psychiatry)
1250 E MARSHALL ST, PSYCHIATRY
RICHMOND, VA 23298
Thoracic Surgery (Cardiothoracic Vascular Surgery)
1250 E MARSHALL ST, SURGERY
RICHMOND, VA 23298
Nurse Anesthetist, Certified Registered
1250 E MARSHALL ST, ANESTHESIA CRNA
RICHMOND, VA 23298
Internal Medicine (Hematology)
1250 E MARSHALL ST, INTERNAL MEDICINE
RICHMOND, VA 23298
Family Medicine
1250 E MARSHALL ST, FAMILY MEDICINE
RICHMOND, VA 23298
Nurse Practitioner (Pediatrics)
1250 E MARSHALL ST, PEDIATRICS
RICHMOND, VA 23298
Specialist
1250 E MARSHALL ST, OB/GYN
RICHMOND, VA 23298
Obstetrics & Gynecology
1250 E MARSHALL ST, OB/GYN
RICHMOND, VA 23298
Nurse Practitioner (Family)
1250 E MARSHALL ST, MAIN HOSPITAL NURSING ADMINISTRATION
RICHMOND, VA 23298
Nurse Practitioner (Family)
1250 E MARSHALL ST, INTERNAL MEDICINE
RICHMOND, VA 23298
Nurse Practitioner
1250 E MARSHALL ST, SURGERY
RICHMOND, VA 23298
Emergency Medicine
1250 E MARSHALL ST, EMERGENCY DEPARTMENT
RICHMOND, VA 23298
Urology
1250 E MARSHALL ST, SURGERY
RICHMOND, VA 23298
Internal Medicine
1250 E MARSHALL ST, INTERNAL MEDICINE
RICHMOND, VA 23298
Radiology (Diagnostic Radiology)
1250 E MARSHALL ST, RADIOLOGY-DIAGNOSTIC RADIOLOGY
RICHMOND, VA 23298
Nurse Practitioner (Adult Health)
1250 E MARSHALL ST, ORTHOPAEDIC SURGERY
RICHMOND, VA 23298
Physician Assistant (Surgical)
1250 E MARSHALL ST, SURGERY
RICHMOND, VA 23298
Pathology (Anatomic Pathology & Clinical Pathology)
1250 E MARSHALL ST, PATHOLOGY
RICHMOND, VA 23298
Internal Medicine (Gastroenterology)
1250 E MARSHALL ST, INTERNAL MEDICINE
RICHMOND, VA 23298

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1558736751, enumerated as an "individual" on December 14, 2015.

The provider is located at 1250 E MARSHALL ST CHILD NEUROLOGY RICHMOND, VA 23298 and the phone number is (804) 828-0442.

Clinical Neuropsychologist with taxonomy code 103G00000X.