TIFFANI AMBER SEBASTIAN MFT-IT
NPI 1861335119
Marriage & Family Therapist in Madison, WI
NPI Status: Active since April 13, 2026
Contact Information
1934 MONROE ST
MADISON, WI
ZIP 53711
Phone: (815) 520-6023
- Individual
- Female
- Marriage & Family Therapist
About TIFFANI SEBASTIAN
This page provides the complete NPI Profile along with additional information for Tiffani Sebastian, a provider established in Madison, Wisconsin with a medical specialization in Marriage & Family Therapist. The healthcare provider is registered in the NPI registry with number 1861335119 assigned on April 2026. The practitioner's primary taxonomy code is 106H00000X with license number 1029228 (WI). The provider is registered as an individual and her NPI record was last updated April 2026.
- NPI
- 1861335119
- Provider Name
- TIFFANI AMBER SEBASTIAN MFT-IT
- Other Name
- AMBER SEBASTIAN MFT-IT
- Other Name Type
- Other Name (5)
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 1934 MONROE ST MADISON, WI 53711
- Location Phone
- (815) 520-6023
- Mailing Address
- 1934 MONROE ST MADISON, WI 53711
- Mailing Phone
- (815) 520-6023
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-13-2026
- Last Update Date
- 04-13-2026
- Code Navigator
A marriage and family therapist like Tiffani Sebastian help patients manage problems with their family and other relationships. Marriage and family therapists encourage clients to discuss their emotions and experiences and, develop strategies and skills to change behavior and cope with difficult situations. Many therapists apply cognitive behavioral therapy to help patients understand harmful thoughts, feelings, and also teach patients how to replace them with positive, life-enhancing ones.
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
Marriage & Family Therapist
- Taxonomy Code
- 106H00000X
- Type
- Behavioral Health & Social Service Providers
- License No.
- 1029228
- License State
- WI
- Taxonomy Description
- A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
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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 1861335119, 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 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.
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 51 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 3 providers are registered at the same or a nearby location.
MADISON, WI 53711
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1861335119, enumerated as an "individual" on April 13, 2026.
The provider is located at 1934 MONROE ST MADISON, WI 53711 and the phone number is (815) 520-6023.
Marriage & Family Therapist with taxonomy code 106H00000X.
