TRACY LEYSEN
NPI 1649196551
Dental Therapist in Windom, MN
NPI Status: Active since June 25, 2026
Contact Information
820 2ND AVE N STE 2
WINDOM, MN
ZIP 56101
Phone: (507) 831-3717
This NPI profile has been added to the NPI registry within the last 30 days.
- Individual
- Dental Therapist
About TRACY LEYSEN
This page provides the complete NPI Profile along with additional information for Tracy Leysen, a provider established in Windom, Minnesota operating as a Dental Therapist. The healthcare provider is registered in the NPI registry with number 1649196551 assigned on June 2026. The practitioner's primary taxonomy code is 125J00000X with license number DT196 (MN). The provider is registered as an individual and their NPI record was last updated June 2026.
- NPI
- 1649196551
- Provider Name
- TRACY LEYSEN
- Gender
- Entity Type
- Individual
- Location Address
- 820 2ND AVE N STE 2 WINDOM, MN 56101
- Location Phone
- (507) 831-3717
- Mailing Address
- 1860 MURRAY AVE SLAYTON, MN 56172
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 06-25-2026
- Last Update Date
- 06-25-2026
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
Dental Therapist
- Taxonomy Code
- 125J00000X
- Type
- Dental Providers
- License No.
- DT196
- License State
- MN
- Taxonomy Description
- A Dental Therapist is an individual who has completed an accredited or non-accredited dental therapy program and who has been authorized by the relevant state board or a tribal entity to provide services within the scope of their practice under the supervision of a dentist. Functions that may be delegated to the dental therapist vary based on the needs of the dentist, the educational preparation of the dental therapist and state dental practice acts and regulations.
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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 1649196551, 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 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 69 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 1 provider is registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1649196551, enumerated as an "individual" on June 25, 2026.
The provider is located at 820 2ND AVE N STE 2 WINDOM, MN 56101 and the phone number is (507) 831-3717.
Dental Therapist with taxonomy code 125J00000X.
