TAMMY PAYNE-WARREN
NPI 1518378397
Counselor - Professional in Oak Ridge, TN

NPI Status: Active since May 14, 2014

Contact Information

335 EAST DR
OAK RIDGE, TN
ZIP 37830
Phone: (865) 742-0071

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  • Individual
  • Female
  • Counselor
  • Professional

About TAMMY PAYNE-WARREN

This page provides the complete NPI Profile along with additional information for Tammy Payne-warren, a provider established in Oak Ridge, Tennessee with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1518378397 assigned on May 2014. The practitioner's primary taxonomy code is 101YP2500X with license number 7041 (TN). The provider is registered as an individual and her NPI record was last updated February 2026.

NPI
1518378397
Provider Name
TAMMY PAYNE-WARREN
Gender
Female
Entity Type
Individual
Location Address
335 EAST DR OAK RIDGE, TN 37830
Location Phone
(865) 742-0071
Mailing Address
335 EAST DR OAK RIDGE, TN 37830
Mailing Phone
(865) 742-0071
Is Sole Proprietor?
Yes
Enumeration Date
05-14-2014
Last Update Date
02-05-2026
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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

Counselor Professional

Taxonomy Code
101YP2500X
Type
Behavioral Health & Social Service Providers
License No.
7041
License State
TN

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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 1518378397, 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
1
Doubled → 2
Pos 2
5
Unchanged
Pos 3
1
Doubled → 2
Pos 4
8
Unchanged
Pos 5
3
Doubled → 6
Pos 6
7
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
3
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
7
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 1 → 2 3 → 6 8 → 16 → 7 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 2 + 8 + 6 + 7 + 1 + 6 + 3 + 1 + 8 + 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 1518378397.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1518378397, enumerated as an "individual" on May 14, 2014.

The provider is located at 335 EAST DR OAK RIDGE, TN 37830 and the phone number is (865) 742-0071.

Counselor with taxonomy code 101YP2500X and a focus in Professional.