MR. WILLIAM LATHAM ST.CHARLES MS, LAT, ATC
NPI 1790757664
Specialist in Helotes, TX

NPI Status: Active since February 06, 2006

Contact Information

12221 LESLIE RD
HELOTES, TX
ZIP 78023
Phone: (210) 397-4859
Fax: (210) 695-5864

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  • Individual
  • Male
  • Specialist

About WILLIAM ST.CHARLES

This page provides the complete NPI Profile along with additional information for William St.charles, a provider established in Helotes, Texas with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1790757664 assigned on February 2006. The practitioner's primary taxonomy code is 174400000X with license number AT0390 (TX). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1790757664
Provider Name
MR. WILLIAM LATHAM ST.CHARLES MS, LAT, ATC
Gender
Male
Entity Type
Individual
Location Address
12221 LESLIE RD HELOTES, TX 78023
Location Phone
(210) 397-4859
Location Fax
(210) 695-5864
Mailing Address
18 ETON GREEN CIR SAN ANTONIO, TX 78257
Mailing Phone
(210) 698-5235
Is Sole Proprietor?
Yes
Enumeration Date
02-06-2006
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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
AT0390
License State
TX
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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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 1790757664, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
9
Doubled → 18 → 1 + 8
Pos 4
0
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
5
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
6
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
4
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 7 → 14 → 5 7 → 14 → 5 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 + 1 + 8 + 0 + 1 + 4 + 5 + 1 + 4 + 6 + 1 + 2 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1790757664.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Specialist/Technologist (Athletic Trainer)
12221 LESLIE RD
HELOTES, TX 78023
Specialist/Technologist (Athletic Trainer)
12221 LESLIE RD
HELOTES, TX 78023
Speech-Language Pathologist
12221 LESLIE RD
HELOTES, TX 78023

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1790757664, enumerated as an "individual" on February 06, 2006.

The provider is located at 12221 LESLIE RD HELOTES, TX 78023 and the phone number is (210) 397-4859.

Specialist with taxonomy code 174400000X.