MRS. JOHNITA ANTONETTE WILLIAMS LMT
NPI 1285571463
Mechanotherapist in Stafford, VA

NPI Status: Active since May 04, 2026

Contact Information

21 WILLIES LN
STAFFORD, VA
ZIP 22554
Phone: (703) 622-1596

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  • Individual
  • Female
  • Mechanotherapist

About JOHNITA WILLIAMS

This page provides the complete NPI Profile along with additional information for Johnita Williams, a provider established in Stafford, Virginia with a medical specialization in Mechanotherapist. The healthcare provider is registered in the NPI registry with number 1285571463 assigned on May 2026. The practitioner's primary taxonomy code is 172M00000X with license number 0019015637 (VA). The provider is registered as an individual and her NPI record was last updated May 2026.

NPI
1285571463
Provider Name
MRS. JOHNITA ANTONETTE WILLIAMS LMT
Gender
Female
Entity Type
Individual
Location Address
21 WILLIES LN STAFFORD, VA 22554
Location Phone
(703) 622-1596
Mailing Address
21 WILLIES LN STAFFORD, VA 22554
Mailing Phone
(703) 622-1596
Is Sole Proprietor?
Yes
Enumeration Date
05-04-2026
Last Update Date
05-04-2026
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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

Mechanotherapist

Taxonomy Code
172M00000X
Type
Other Service Providers
License No.
0019015637
License State
VA
Taxonomy Description
A practitioner of mechanotherapy examines patients by verbal inquiry, examination of the musculoskeletal system by hand, and visual inspection and observation. In the treatment of patients, mechanotherapists employ the techniques of advised or supervised exercise; electrical neuromuscular stimulation; massage or manipulation; or air, water, heat, cold, sound, or infrared ray therapy.

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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 1285571463, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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
2
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
5
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
7
Unchanged
Pos 7
1
Doubled → 2
Pos 8
4
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
3
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 8 → 16 → 7 5 → 10 → 1 1 → 2 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 6 + 5 + 1 + 0 + 7 + 2 + 4 + 1 + 2 + 24 = 57

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1285571463.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1285571463, enumerated as an "individual" on May 04, 2026.

The provider is located at 21 WILLIES LN STAFFORD, VA 22554 and the phone number is (703) 622-1596.

Mechanotherapist with taxonomy code 172M00000X.