MRS. STEPHANIE HERENDEEN CPHT
NPI 1598432577
Pharmacy Technician in Clarksville, TN

Q: What is the provider's specialty?

The provider's specialty is Pharmacy Technician with taxonomy code 183700000X.

NPI Status: Active since August 26, 2021

Contact Information

2622 MADISON ST STE A
CLARKSVILLE, TN
ZIP 37043
Phone: (931) 919-2491

NPPES record last updated: August 26, 2021. Verified against the NPPES registry weekly; last sync: July 12, 2026.

Table of Contents

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

Individual
Female
Pharmacy Technician

About STEPHANIE HERENDEEN

This page provides the complete NPI Profile along with additional information for Stephanie Herendeen, a provider established in Clarksville, Tennessee with a medical specialization in Pharmacy Technician. The healthcare provider is registered in the NPI registry with number 1598432577 assigned on August 2021. The practitioner's primary taxonomy code is 183700000X with license number 32946 (TN). The provider is registered as an individual and her NPI record was last updated 5 years ago.

NPI: 1598432577
Provider Name: MRS. STEPHANIE HERENDEEN CPHT
Gender: Female
Entity Type: Individual
Location Address: 2622 MADISON ST STE A CLARKSVILLE, TN 37043
Location Phone: (931) 919-2491
Mailing Address: 2622 MADISON ST STE A CLARKSVILLE, TN 37043
Mailing Phone: (931) 919-2491
Is Sole Proprietor?: No
Enumeration Date: 08-26-2021
Last Update Date: 08-26-2021
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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: Pharmacy Technician
Taxonomy Code: 183700000X
Type: Pharmacy Service Providers
License No.: 32946
License State: TN
Taxonomy Description: A person who works under the direct supervision of a licensed pharmacist and performs many pharmacy-related functions that do not require the professional judgment of a pharmacist.

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 1598432577, we treat the final digit (7) 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 7).

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 → 18 → 1 + 8

Pos 4

Unchanged

Pos 5

Doubled → 8

Pos 6

Unchanged

Pos 7

Doubled → 4

Pos 8

Unchanged

Pos 9

Doubled → 14 → 1 + 4

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 9 → 18 → 9 4 → 8 2 → 4 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 8 + 8 + 8 + 3 + 4 + 5 + 1 + 4 + 24 = 73

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

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7

This NPI is valid

The calculated check digit is 7, which matches the last digit of 1598432577.