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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

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

Active since February 06, 2006
12221 LESLIE RD, HELOTES, TX 78023(210) 397-4859(210) 695-5864 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mr. William Latham St.charles Ms, Lat, Atc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. WILLIAM LATHAM ST.CHARLES MS, LAT, ATC (NPI 1790757664) is an individual specialist in Helotes, Texas, licensed in Texas (AT0390) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1790757664
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameMR. WILLIAM LATHAM ST.CHARLESCredential: MS, LAT, ATC
Location Address12221 LESLIE RDHelotes, TX 78023-4404
Mailing Address18 Eton Green CirSan Antonio, TX 78257-1633 · (210) 698-5235
Phone(210) 397-4859
Fax(210) 695-5864
Sole ProprietorNo
Enumeration DateFebruary 6, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1790757664 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in TX · AT0390
Definition
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.
12221 LESLIE RD, Helotes, TX 78023
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Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ASHLEY BRIGHTMAN M.A., CCC-SLP
Speech-Language Pathologist
12221 LESLIE RD
HELOTES, TX 78023
Bexar County (210) 397-4800
MR. DOMINGO CESAR SIFUENTES III LAT
Specialist/Technologist (Athletic Trainer)
12221 LESLIE RD
HELOTES, TX 78023
Bexar County (210) 884-5330
BARBI MARIE CARROLL MS, LAT, ATC
Specialist/Technologist (Athletic Trainer)
12221 LESLIE RD
HELOTES, TX 78023
Bexar County (210) 397-4800

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William St.charles's NPI number?

The NPI number for William St.charles is 1790757664. It was assigned to this individual provider in the NPPES registry on February 6, 2006.

Where is William St.charles located?

William St.charles practices at 12221 Leslie Rd, Helotes, TX 78023. The listed phone number is (210) 397-4859.

What is William St.charles's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

When was this NPI record last updated?

The NPPES record for William St.charles was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.