RYAN WILLIAMS LMT
NPI 1205777588
Massage Therapist in Mauston, WI
NPI Status: Active since April 02, 2026
Contact Information
N3540 STATE ROAD 58
MAUSTON, WI
ZIP 53948
Phone: (608) 847-1888
- Individual
- Male
- Massage Therapist
About RYAN WILLIAMS
This page provides the complete NPI Profile along with additional information for Ryan Williams, a provider established in Mauston, Wisconsin with a medical specialization in Massage Therapist. The healthcare provider is registered in the NPI registry with number 1205777588 assigned on April 2026. The practitioner's primary taxonomy code is 225700000X with license number 17450-146 (WI). The provider is registered as an individual and his NPI record was last updated April 2026.
- NPI
- 1205777588
- Provider Name
- RYAN WILLIAMS LMT
- Gender
- Male
- Entity Type
- Individual
- Location Address
- N3540 STATE ROAD 58 MAUSTON, WI 53948
- Location Phone
- (608) 847-1888
- Mailing Address
- W4031 PFAFF LN LYNDON STATION, WI 53944
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 04-02-2026
- Last Update Date
- 04-21-2026
- Code Navigator
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
Massage Therapist
- Taxonomy Code
- 225700000X
- Type
- Respiratory, Developmental, Rehabilitative and Restorative Service Providers
- License No.
- 17450-146
- License State
- WI
- Taxonomy Description
- An individual trained in the manipulation of tissues (as by rubbing, stroking, kneading, or tapping) with the hand or an instrument for remedial or hygienic purposes.
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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 1205777588, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).
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 62 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 1205777588, enumerated as an "individual" on April 02, 2026.
The provider is located at N3540 STATE ROAD 58 MAUSTON, WI 53948 and the phone number is (608) 847-1888.
Massage Therapist with taxonomy code 225700000X.
