SHANE WILLIAMS JR. PT, DPT
NPI 1639950058
Physical Therapist - Orthopedic in Vashon, WA

NPI Status: Active since October 11, 2023

Contact Information

17630 VASHON HWY SW
VASHON, WA
ZIP 98070
Phone: (206) 657-7879

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  • Individual
  • Male
  • Physical Therapist
  • Orthopedic

About SHANE WILLIAMS

This page provides the complete NPI Profile along with additional information for Shane Williams, a provider established in Vashon, Washington with a medical specialization in Physical Therapist, focusing in orthopedic . The healthcare provider is registered in the NPI registry with number 1639950058 assigned on October 2023. The practitioner's primary taxonomy code is 2251X0800X with license number 61477372 (WA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1639950058
Provider Name
SHANE WILLIAMS JR. PT, DPT
Gender
Male
Entity Type
Individual
Location Address
17630 VASHON HWY SW VASHON, WA 98070
Location Phone
(206) 657-7879
Mailing Address
16217 CRESCENT DR SW VASHON, WA 98070
Mailing Phone
(810) 471-2384
Is Sole Proprietor?
Yes
Enumeration Date
10-11-2023
Last Update Date
08-21-2025
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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

Physical Therapist Orthopedic

Taxonomy Code
2251X0800X
Type
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License No.
61477372
License State
WA
Taxonomy Description
A licensed physical therapist, including but not limited to an individual who is a Board Certified Specialist in Orthopaedic Physical Therapy, who has demonstrated specialized knowledge and skill in human anatomy and physiology, movement science; pathology/pathophysiology, pain science, medical and surgical considerations, orthopaedic physical therapy theory and practice, and critical inquiry for evidence-based practice.

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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 1639950058, 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.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
3
Doubled → 6
Pos 4
9
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
5
Unchanged
Pos 7
0
Doubled → 0
Pos 8
0
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
8
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 3 → 6 9 → 18 → 9 0 → 0 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 6 + 6 + 9 + 1 + 8 + 5 + 0 + 0 + 1 + 0 + 24 = 62

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.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1639950058.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1639950058, enumerated as an "individual" on October 11, 2023.

The provider is located at 17630 VASHON HWY SW VASHON, WA 98070 and the phone number is (206) 657-7879.

Physical Therapist with taxonomy code 2251X0800X and a focus in Orthopedic.