JOSHUA R WILLIAMS
NPI 1508710203
Psychologist - Clinical in Huntington, WV

NPI Status: Active since February 21, 2026

Contact Information

917 3RD AVE STE 200E
HUNTINGTON, WV
ZIP 25701
Phone: (681) 417-7070

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  • Individual
  • Male
  • Psychologist
  • Clinical

About JOSHUA WILLIAMS

This page provides the complete NPI Profile along with additional information for Joshua Williams, a provider established in Huntington, West Virginia with a medical specialization in Psychologist, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1508710203 assigned on February 2026. The practitioner's primary taxonomy code is 103TC0700X with license number 1391 (WV). The provider is registered as an individual and his NPI record was last updated February 2026.

NPI
1508710203
Provider Name
JOSHUA R WILLIAMS
Gender
Male
Entity Type
Individual
Location Address
917 3RD AVE STE 200E HUNTINGTON, WV 25701
Location Phone
(681) 417-7070
Mailing Address
1 JOHN MARSHALL DR. MARSHALL UNIVERSITY, PSYCHOLOGY DEPT, 328 HARRIS HALL HUNTINGTON, WV 25755
Is Sole Proprietor?
No
Enumeration Date
02-21-2026
Last Update Date
02-21-2026
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A clinical psychologist like Joshua Williams assesses, diagnoses, and treats mental, emotional, and behavioral disorders. Clinical psychologists help people deal with problems ranging from short-term personal issues to severe, chronic conditions. Clinical psychologists interview patients, give diagnostic tests, provide psychotherapy and design behavior modification programs to help patients.

Location Map

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 Clinical

Taxonomy Code
103TC0700X
Type
Behavioral Health & Social Service Providers
License No.
1391
License State
WV
Taxonomy Description
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

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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 1508710203, 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 47. The final step is to find the difference between that total and the next multiple of ten (50 - 47 = 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
5
Unchanged
Pos 3
0
Doubled → 0
Pos 4
8
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
1
Unchanged
Pos 7
0
Doubled → 0
Pos 8
2
Unchanged
Pos 9
0
Doubled → 0
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 0 → 0 7 → 14 → 5 0 → 0 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 0 + 8 + 1 + 4 + 1 + 0 + 2 + 0 + 24 = 47

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

The next multiple of ten after 47 is 50. The difference is the calculated check digit.

50 - 47 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1508710203.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Clinic/Center (Mental Health (Including Community Mental Health Center))
917 3RD AVE STE 200E
HUNTINGTON, WV 25701
Psychologist
917 3RD AVE STE 200E
HUNTINGTON, WV 25701

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1508710203, enumerated as an "individual" on February 21, 2026.

The provider is located at 917 3RD AVE STE 200E HUNTINGTON, WV 25701 and the phone number is (681) 417-7070.

Psychologist with taxonomy code 103TC0700X and a focus in Clinical.