THOMAS BARKER
NPI 1235262247
Counselor - Addiction (Substance Use Disorder) in Littleton, NH

NPI Status: Active since March 13, 2007

Contact Information

29 MAPLE ST
LITTLETON, NH
ZIP 03561
Phone: (603) 444-5358

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

About THOMAS BARKER

This page provides the complete NPI Profile along with additional information for Thomas Barker, a provider established in Littleton, New Hampshire with a medical specialization in Counselor, focusing in addiction (substance use disorder) . The healthcare provider is registered in the NPI registry with number 1235262247 assigned on March 2007. The practitioner's primary taxonomy code is 101YA0400X with license number 489 (NH). The provider is registered as an individual and his NPI record was last updated 15 years ago.

NPI
1235262247
Provider Name
THOMAS BARKER
Gender
Male
Entity Type
Individual
Location Address
29 MAPLE ST LITTLETON, NH 03561
Location Phone
(603) 444-5358
Mailing Address
87 WASHINGTON ST CONWAY, NH 03818
Mailing Phone
(603) 447-3347
Is Sole Proprietor?
No
Enumeration Date
03-13-2007
Last Update Date
01-10-2011
Code Navigator

A Substance Abuse or Addiction Counselor like Thomas Barker 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.
489
License State
NH

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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 1235262247, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
2
Unchanged
Pos 3
3
Doubled → 6
Pos 4
5
Unchanged
Pos 5
2
Doubled → 4
Pos 6
6
Unchanged
Pos 7
2
Doubled → 4
Pos 8
2
Unchanged
Pos 9
4
Doubled → 8
Check
7
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 3 → 6 2 → 4 2 → 4 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 6 + 5 + 4 + 6 + 4 + 2 + 8 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1235262247.

Other Providers at the Same Location


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

Psychiatry & Neurology (Psychiatry)
29 MAPLE ST
LITTLETON, NH 03561
Counselor (Mental Health)
29 MAPLE ST
LITTLETON, NH 03561
Social Worker (Clinical)
29 MAPLE ST
LITTLETON, NH 03561
Social Worker (Clinical)
29 MAPLE ST
LITTLETON, NH 03561
Psychologist (Clinical)
29 MAPLE ST
LITTLETON, NH 03561
Counselor (Mental Health)
29 MAPLE ST
LITTLETON, NH 03561
Counselor (Mental Health)
29 MAPLE ST
LITTLETON, NH 03561
Social Worker (Clinical)
29 MAPLE ST
LITTLETON, NH 03561
Counselor (Addiction (Substance Use Disorder))
29 MAPLE ST
LITTLETON, NH 03561
Psychiatry & Neurology (Psychiatry)
29 MAPLE ST
LITTLETON, NH 03561
Social Worker (Clinical)
29 MAPLE ST
LITTLETON, NH 03561
Registered Nurse
29 MAPLE ST
LITTLETON, NH 03561
Student in an Organized Health Care Education/Training Program
29 MAPLE ST
LITTLETON, NH 03561
Counselor (Mental Health)
29 MAPLE ST
LITTLETON, NH 03561
Counselor (Mental Health)
29 MAPLE ST
LITTLETON, NH 03561
Student in an Organized Health Care Education/Training Program
29 MAPLE ST
LITTLETON, NH 03561
Social Worker (Clinical)
29 MAPLE ST
LITTLETON, NH 03561
Counselor (Mental Health)
29 MAPLE ST
LITTLETON, NH 03561
Community/Behavioral Health
29 MAPLE ST
LITTLETON, NH 03561
Counselor (Mental Health)
29 MAPLE ST
LITTLETON, NH 03561

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1235262247, enumerated as an "individual" on March 13, 2007.

The provider is located at 29 MAPLE ST LITTLETON, NH 03561 and the phone number is (603) 444-5358.

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