MARK WELBORN
NPI 1740548569
Psychiatry & Neurology - Neurology in San Antonio, TX

NPI Status: Active since April 30, 2012

Contact Information

22535 LYNRIDGE DR
SAN ANTONIO, TX
ZIP 78260
Phone: (214) 750-6110

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Neurology

About MARK WELBORN

This page provides the complete NPI Profile along with additional information for Mark Welborn, a provider established in San Antonio, Texas with a medical specialization in Psychiatry & Neurology, focusing in neurology . The healthcare provider is registered in the NPI registry with number 1740548569 assigned on April 2012. The practitioner's primary taxonomy code is 2084N0400X with license number G5756 (TX). The provider is registered as an individual and his NPI record was last updated 14 years ago.

NPI
1740548569
Provider Name
MARK WELBORN
Gender
Male
Entity Type
Individual
Location Address
22535 LYNRIDGE DR SAN ANTONIO, TX 78260
Location Phone
(214) 750-6110
Mailing Address
22535 LYNRIDGE DR SAN ANTONIO, TX 78260
Is Sole Proprietor?
Yes
Enumeration Date
04-30-2012
Last Update Date
04-30-2012
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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 Neurology

Taxonomy Code
2084N0400X
Type
Allopathic & Osteopathic Physicians
License No.
G5756
License State
TX
Taxonomy Description
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

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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 1740548569, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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
7
Unchanged
Pos 3
4
Doubled → 8
Pos 4
0
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
4
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
5
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
9
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 4 → 8 5 → 10 → 1 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 + 7 + 8 + 0 + 1 + 0 + 4 + 1 + 6 + 5 + 1 + 2 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1740548569.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1740548569, enumerated as an "individual" on April 30, 2012.

The provider is located at 22535 LYNRIDGE DR SAN ANTONIO, TX 78260 and the phone number is (214) 750-6110.

Psychiatry & Neurology with taxonomy code 2084N0400X and a focus in Neurology.