DR. JAN ALAN MAYER M.D.
NPI 1689710485
Psychiatry & Neurology - Addiction Medicine in Nashville, TN

NPI Status: Active since January 29, 2007

Contact Information

8283 RIVER ROAD PIKE
NASHVILLE, TN
ZIP 37209
Phone: (615) 690-4572
Fax: (615) 354-1577

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

Individual
Male
Psychiatry & Neurology
Addiction Medicine

About JAN MAYER

This page provides the complete NPI Profile along with additional information for Jan Mayer, a provider established in Nashville, Tennessee with a medical specialization in Psychiatry & Neurology, focusing in addiction medicine . The healthcare provider is registered in the NPI registry with number 1689710485 assigned on January 2007. The practitioner's primary taxonomy code is 2084A0401X with license number TN0000010148 (TN). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI: 1689710485
Provider Name: DR. JAN ALAN MAYER M.D.
Gender: Male
Entity Type: Individual
Location Address: 8283 RIVER ROAD PIKE NASHVILLE, TN 37209
Location Phone: (615) 690-4572
Location Fax: (615) 354-1577
Mailing Address: PO BOX 92225 NASHVILLE, TN 37209
Mailing Phone: (615) 690-4572
Mailing Fax: (615) 354-1577
Is Sole Proprietor?: No
Enumeration Date: 01-29-2007
Last Update Date: 07-08-2007
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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: Psychiatry & Neurology Addiction Medicine
Taxonomy Code: 2084A0401X
Type: Allopathic & Osteopathic Physicians
License No.: TN0000010148
License State: TN
Taxonomy Description: A doctor of osteopathy board eligible/certified in the field of Psychiatry by the American Osteopathic Board of Neurology and Psychiatry is able to obtain a Certificate of Added Qualifications in the field of Addiction Medicine

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 1689710485, 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 16 → 1 + 6

Pos 4

Unchanged

Pos 5

Doubled → 14 → 1 + 4

Pos 6

Unchanged

Pos 7

Doubled → 0

Pos 8

Unchanged

Pos 9

Doubled → 16 → 1 + 6

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 8 → 16 → 7 7 → 14 → 5 0 → 0 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 6 + 9 + 1 + 4 + 1 + 0 + 4 + 1 + 6 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5

This NPI is valid

The calculated check digit is 5, which matches the last digit of 1689710485.