WILLIAM ELIAS WILLIAMS
NPI 1124966122
Counselor - Addiction (Substance Use Disorder) in Warwick, RI

NPI Status: Active since March 23, 2026

Contact Information

1990 ELMWOOD AVE
WARWICK, RI
ZIP 02888
Phone: (401) 781-2700

Get Directions Write a Review

  • Individual
  • Male
  • Counselor
  • Addiction (Substance Use Disorder)

About WILLIAM WILLIAMS

This page provides the complete NPI Profile along with additional information for William Williams, a provider established in Warwick, Rhode Island with a medical specialization in Counselor, focusing in addiction (substance use disorder) . The healthcare provider is registered in the NPI registry with number 1124966122 assigned on March 2026. The practitioner's primary taxonomy code is 101YA0400X with license number CDP01097 (RI). The provider is registered as an individual and his NPI record was last updated March 2026.

NPI
1124966122
Provider Name
WILLIAM ELIAS WILLIAMS
Gender
Male
Entity Type
Individual
Location Address
1990 ELMWOOD AVE WARWICK, RI 02888
Location Phone
(401) 781-2700
Mailing Address
1990 ELMWOOD AVE WARWICK, RI 02888
Mailing Phone
(401) 781-2700
Is Sole Proprietor?
No
Enumeration Date
03-23-2026
Last Update Date
03-26-2026
Code Navigator

A Substance Abuse or Addiction Counselor like William Williams advices patients who experience alcoholism, drug addiction, eating disorders, mental health issues, or other mental or behavioral problems. Substance Abuse counselors provide treatment and support to help clients recover from addiction or modify problem behaviors. Many counselors incorporate the principles of 12-step programs, such as Alcoholics Anonymous (AA). They educate clients how to cope with stress and life’s issues in ways that help them recover. Counselors also help patients improve their personal relationships and find ways to discuss their addiction or other problems with family and friends.

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

Counselor Addiction (Substance Use Disorder)

Taxonomy Code
101YA0400X
Type
Behavioral Health & Social Service Providers
License No.
CDP01097
License State
RI

Reviews for WILLIAM ELIAS WILLIAMS

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1124966122, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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
2
Doubled → 4
Pos 4
4
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
6
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
1
Unchanged
Pos 9
2
Doubled → 4
Check
2
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 2 → 4 9 → 18 → 9 6 → 12 → 3 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 4 + 4 + 1 + 8 + 6 + 1 + 2 + 1 + 4 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1124966122.

Other Providers at the Same Location


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

Counselor (Addiction (Substance Use Disorder))
1990 ELMWOOD AVE
WARWICK, RI 02888
Counselor (Addiction (Substance Use Disorder))
1990 ELMWOOD AVE
WARWICK, RI 02888
Counselor
1990 ELMWOOD AVE
WARWICK, RI 02888
Counselor (Addiction (Substance Use Disorder))
1990 ELMWOOD AVE
WARWICK, RI 02888

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1124966122, enumerated as an "individual" on March 23, 2026.

The provider is located at 1990 ELMWOOD AVE WARWICK, RI 02888 and the phone number is (401) 781-2700.

Counselor with taxonomy code 101YA0400X and a focus in Addiction (Substance Use Disorder).