LEO JOHN-PAUL SHANLEY
NPI 1881480804
Counselor - Addiction (Substance Use Disorder) in Brooklyn, NY

NPI Status: Active since April 16, 2025

Contact Information

1125 FULTON ST
BROOKLYN, NY
ZIP 11238
Phone: (917) 659-8673

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  • Individual
  • Counselor
  • Addiction (Substance Use Disorder)

About LEO SHANLEY

This page provides the complete NPI Profile along with additional information for Leo Shanley, a provider established in Brooklyn, New York operating as a Counselor, focusing in addiction (substance use disorder) . The healthcare provider is registered in the NPI registry with number 1881480804 assigned on April 2025. The practitioner's primary taxonomy code is 101YA0400X with license number 32430 (NY). The provider is registered as an individual and their NPI record was last updated one year ago.

NPI
1881480804
Provider Name
LEO JOHN-PAUL SHANLEY
Gender
Entity Type
Individual
Location Address
1125 FULTON ST BROOKLYN, NY 11238
Location Phone
(917) 659-8673
Mailing Address
1125 FULTON ST BROOKLYN, NY 11238
Mailing Phone
(017) 659-8673
Is Sole Proprietor?
No
Enumeration Date
04-16-2025
Last Update Date
04-16-2025
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A Substance Abuse or Addiction Counselor like Leo Shanley 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.
32430
License State
NY

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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 1881480804, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
8
Doubled → 16 → 1 + 6
Pos 4
1
Unchanged
Pos 5
4
Doubled → 8
Pos 6
8
Unchanged
Pos 7
0
Doubled → 0
Pos 8
8
Unchanged
Pos 9
0
Doubled → 0
Check
4
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 8 → 16 → 7 4 → 8 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 + 8 + 1 + 6 + 1 + 8 + 8 + 0 + 8 + 0 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1881480804.

Other Providers at the Same Location


The following 13 providers are registered at the same or a nearby location.

Chiropractor
1125 FULTON ST, 3RD FLR
BROOKLYN, NY 11238
Early Intervention Provider Agency
1125 FULTON ST, 3RD FLOOR
BROOKLYN, NY 11238
Social Worker (Clinical)
1125 FULTON ST, 2ND FLOOR
BROOKLYN, NY 11238
Social Worker
1125 FULTON ST, SECOND FLOOR
BROOKLYN, NY 11238
Social Worker
1125 FULTON ST
BROOKLYN, NY 11238
Social Worker
1125 FULTON ST
BROOKLYN, NY 11238
Social Worker
1125 FULTON ST
BROOKLYN, NY 11238
Specialist/Technologist, Other (Art, Medical)
1125 FULTON ST
BROOKLYN, NY 11238
Social Worker
1125 FULTON ST
BROOKLYN, NY 11238
Social Worker (Clinical)
1125 FULTON ST
BROOKLYN, NY 11238
Registered Nurse (Psychiatric/Mental Health)
1125 FULTON ST
BROOKLYN, NY 11238
Community/Behavioral Health
1125 FULTON ST
BROOKLYN, NY 11238
Counselor (Mental Health)
1125 FULTON ST
BROOKLYN, NY 11238

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1881480804, enumerated as an "individual" on April 16, 2025.

The provider is located at 1125 FULTON ST BROOKLYN, NY 11238 and the phone number is (917) 659-8673.

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