TONI MARIE HEUCHAN SUDCC
NPI 1528604667
Counselor - Addiction (Substance Use Disorder) in Norwalk, CA
NPI Status: Active since November 25, 2019
Contact Information
11902 ROSECRANS AVE
NORWALK, CA
ZIP 90650
Phone: (562) 929-7188
Fax: (562) 929-7575
- Individual
- Female
- Counselor
- Addiction (Substance Use Disorder)
About TONI HEUCHAN
This page provides the complete NPI Profile along with additional information for Toni Heuchan, a provider established in Norwalk, California with a medical specialization in Counselor, focusing in addiction (substance use disorder) . The healthcare provider is registered in the NPI registry with number 1528604667 assigned on November 2019. The practitioner's primary taxonomy code is 101YA0400X. The provider is registered as an individual and her NPI record was last updated March 2026.
- NPI
- 1528604667
- Provider Name
- TONI MARIE HEUCHAN SUDCC
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 11902 ROSECRANS AVE NORWALK, CA 90650
- Location Phone
- (562) 929-7188
- Location Fax
- (562) 929-7575
- Mailing Address
- 11902 ROSECRANS AVE NORWALK, CA 90650
- Mailing Phone
- (562) 929-7188
- Mailing Fax
- (562) 929-7575
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 11-25-2019
- Last Update Date
- 03-13-2026
- Code Navigator
A Substance Abuse or Addiction Counselor like Toni Heuchan 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 State
- CA
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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 1528604667, 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.
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 63 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 13 providers are registered at the same or a nearby location.
NORWALK, CA 90650
NORWALK, CA 90650
NORWALK, CA 90650
NORWALK, CA 90650
NORWALK, CA 90650
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1528604667, enumerated as an "individual" on November 25, 2019.
The provider is located at 11902 ROSECRANS AVE NORWALK, CA 90650 and the phone number is (562) 929-7188.
Counselor with taxonomy code 101YA0400X and a focus in Addiction (Substance Use Disorder).
