GARRETT THOMAS DEUTERMANN LADC
NPI 1225925191
Counselor - Addiction (Substance Use Disorder) in Canaan, CT
NPI Status: Active since June 23, 2025
Contact Information
22 PROSPECT ST
CANAAN, CT
ZIP 06018
Phone: (860) 541-1947
- Individual
- Male
- Counselor
- Addiction (Substance Use Disorder)
About GARRETT DEUTERMANN
This page provides the complete NPI Profile along with additional information for Garrett Deutermann, a provider established in Canaan, Connecticut with a medical specialization in Counselor, focusing in addiction (substance use disorder) . The healthcare provider is registered in the NPI registry with number 1225925191 assigned on June 2025. The practitioner's primary taxonomy code is 101YA0400X with license number 1592 (CT). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1225925191
- Provider Name
- GARRETT THOMAS DEUTERMANN LADC
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 22 PROSPECT ST CANAAN, CT 06018
- Location Phone
- (860) 541-1947
- Mailing Address
- 22 PROSPECT ST CANAAN, CT 06018
- Mailing Phone
- (860) 541-1947
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 06-23-2025
- Last Update Date
- 06-23-2025
- Code Navigator
A Substance Abuse or Addiction Counselor like Garrett Deutermann 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.
- 1592
- License State
- CT
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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 1225925191, 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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
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.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1225925191, enumerated as an "individual" on June 23, 2025.
The provider is located at 22 PROSPECT ST CANAAN, CT 06018 and the phone number is (860) 541-1947.
Counselor with taxonomy code 101YA0400X and a focus in Addiction (Substance Use Disorder).
