SHANNON TEWELL CADC
NPI 1871479329
Counselor - Addiction (Substance Use Disorder) in Jerseyville, IL

NPI Status: Active since August 12, 2025

Contact Information

219 NORTHMOOR DR
JERSEYVILLE, IL
ZIP 62052
Phone: (618) 818-7104

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

About SHANNON TEWELL

This page provides the complete NPI Profile along with additional information for Shannon Tewell, a provider established in Jerseyville, Illinois with a medical specialization in Counselor, focusing in addiction (substance use disorder) . The healthcare provider is registered in the NPI registry with number 1871479329 assigned on August 2025. The practitioner's primary taxonomy code is 101YA0400X. The provider is registered as an individual and her NPI record was last updated one year ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization.

NPI
1871479329
Provider Name
SHANNON TEWELL CADC
Gender
Female
Entity Type
Individual
Location Address
219 NORTHMOOR DR JERSEYVILLE, IL 62052
Location Phone
(618) 818-7104
Mailing Address
219 NORTHMOOR DR JERSEYVILLE, IL 62052
Mailing Phone
(618) 818-7104
Is Sole Proprietor?
Yes
Enumeration Date
08-12-2025
Last Update Date
08-12-2025
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A Substance Abuse or Addiction Counselor like Shannon Tewell 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.

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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

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Reviews for SHANNON TEWELL CADC

  • 5 out of 5 stars - Review by K.Sitzmore on November 09, 2025

    Shannon Is a very sweet woman and you can tell she genuinly cares about others.

  • 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 1871479329, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

    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
    7
    Doubled → 14 → 1 + 4
    Pos 4
    1
    Unchanged
    Pos 5
    4
    Doubled → 8
    Pos 6
    7
    Unchanged
    Pos 7
    9
    Doubled → 18 → 1 + 8
    Pos 8
    3
    Unchanged
    Pos 9
    2
    Doubled → 4
    Check
    9
    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 7 → 14 → 5 4 → 8 9 → 18 → 9 2 → 4

    Step 2: Add all digits plus the NPI constant

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

    2 + 8 + 1 + 4 + 1 + 8 + 7 + 1 + 8 + 3 + 4 + 24 = 71

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

    The next multiple of ten after 71 is 80. The difference is the calculated check digit.

    80 - 71 = 9
    This NPI is valid
    The calculated check digit is 9, which matches the last digit of 1871479329.

    Frequently Asked Questions

    The NPI number assigned to this healthcare provider is 1871479329, enumerated as an "individual" on August 12, 2025.

    The provider is located at 219 NORTHMOOR DR JERSEYVILLE, IL 62052 and the phone number is (618) 818-7104.

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