MARK CHASE FINLAY
NPI 1760351704
Counselor - Addiction (Substance Use Disorder) in Austin, TX
NPI Status: Active since October 29, 2025
Contact Information
1010 LAND CREEK CV STE 100
AUSTIN, TX
ZIP 78746
Phone: (203) 556-6766
- Individual
- Male
- Counselor
- Addiction (Substance Use Disorder)
About MARK FINLAY
This page provides the complete NPI Profile along with additional information for Mark Finlay, a provider established in Austin, Texas with a medical specialization in Counselor, focusing in addiction (substance use disorder) . The healthcare provider is registered in the NPI registry with number 1760351704 assigned on October 2025. The practitioner's primary taxonomy code is 101YA0400X with license number 17332 (TX). The provider is registered as an individual and his 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
- 1760351704
- Provider Name
- MARK CHASE FINLAY
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1010 LAND CREEK CV STE 100 AUSTIN, TX 78746
- Location Phone
- (203) 556-6766
- Mailing Address
- 2803 CANUS CV AUSTIN, TX 78748
- Mailing Phone
- (203) 556-6766
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 10-29-2025
- Last Update Date
- 10-29-2025
- Code Navigator
A Substance Abuse or Addiction Counselor like Mark Finlay 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.
- 17332
- License State
- TX
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.
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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 1760351704, 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 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.
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 56 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 2 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1760351704, enumerated as an "individual" on October 29, 2025.
The provider is located at 1010 LAND CREEK CV STE 100 AUSTIN, TX 78746 and the phone number is (203) 556-6766.
Counselor with taxonomy code 101YA0400X and a focus in Addiction (Substance Use Disorder).
