TONIA ANNETTE WILLIAMS
NPI 1306640735
Doula in Lexington, MO

NPI Status: Active since April 03, 2025

Contact Information

721 S BUSINESS HIGHWAY 13
LEXINGTON, MO
ZIP 64067
Phone: (816) 482-2749

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  • Individual
  • Female
  • Doula

About TONIA WILLIAMS

This page provides the complete NPI Profile along with additional information for Tonia Williams, a provider established in Lexington, Missouri with a medical specialization in Doula. The healthcare provider is registered in the NPI registry with number 1306640735 assigned on April 2025. The practitioner's primary taxonomy code is 374J00000X. The provider is registered as an individual and her NPI record was last updated one year ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization.

NPI
1306640735
Provider Name
TONIA ANNETTE WILLIAMS
Gender
Female
Entity Type
Individual
Location Address
721 S BUSINESS HIGHWAY 13 LEXINGTON, MO 64067
Location Phone
(816) 482-2749
Mailing Address
PO BOX 252 LEXINGTON, MO 64067
Mailing Phone
(816) 482-2749
Is Sole Proprietor?
Yes
Enumeration Date
04-03-2025
Last Update Date
04-03-2025
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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

Doula

Taxonomy Code
374J00000X
Type
Nursing Service Related Providers
Taxonomy Description
Doulas work in a variety of settings and have been trained to provide physical, emotional, and informational support to a mother before, during, and just after birth and/or provide emotional and practical support to a mother during the postpartum period.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

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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 1306640735, we treat the final digit (5) 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).

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

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 0 + 6 + 1 + 2 + 4 + 0 + 7 + 6 + 24 = 55

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

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1306640735.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Doula
721 S BUSINESS HIGHWAY 13
LEXINGTON, MO 64067

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1306640735, enumerated as an "individual" on April 03, 2025.

The provider is located at 721 S BUSINESS HIGHWAY 13 LEXINGTON, MO 64067 and the phone number is (816) 482-2749.

Doula with taxonomy code 374J00000X.