JENNA MARIE ARMSTRONG
NPI 1851268668
Lactation Consultant, Non-RN in Franklin, TN

NPI Status: Active since October 17, 2025

Contact Information

207 MONKS WAY
FRANKLIN, TN
ZIP 37064
Phone: (615) 673-4688

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Female
Lactation Consultant, Non-RN

About JENNA ARMSTRONG

This page provides the complete NPI Profile along with additional information for Jenna Armstrong, a provider established in Franklin, Tennessee with a medical specialization in Lactation Consultant, Non-rn. The healthcare provider is registered in the NPI registry with number 1851268668 assigned on October 2025. The practitioner's primary taxonomy code is 174N00000X. The provider is registered as an individual and her NPI record was last updated one year ago.

NPI: 1851268668
Provider Name: JENNA MARIE ARMSTRONG
Gender: Female
Entity Type: Individual
Location Address: 207 MONKS WAY FRANKLIN, TN 37064
Location Phone: (615) 673-4688
Mailing Address: 107 COTTONWOOD CIR FRANKLIN, TN 37069
Is Sole Proprietor?: Yes
Enumeration Date: 10-17-2025
Last Update Date: 10-17-2025
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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: Lactation Consultant, Non-RN
Taxonomy Code: 174N00000X
Type: Other Service Providers
License State: TN
Taxonomy Description: An individual trained to provide breastfeeding assistance services to both mothers and infants. Lactation Consultants are not required to be nurses and are trained through specific courses of education. The Lactation Consultant may have additional certification through a national or international organization.

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 1851268668, 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 10 → 1 + 0

Pos 4

Unchanged

Pos 5

Doubled → 4

Pos 6

Unchanged

Pos 7

Doubled → 16 → 1 + 6

Pos 8

Unchanged

Pos 9

Doubled → 12 → 1 + 2

Check

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 5 → 10 → 1 2 → 4 8 → 16 → 7 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 0 + 1 + 4 + 6 + 1 + 6 + 6 + 1 + 2 + 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 1851268668.