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Family Practice

James S. Williams, MD

Works at hospitals in Big Lake, TX · Texas

Summary

James S. Williams, MD (Family Practice) is listed by Medicare at 1 hospital in Big Lake, TX. NPI 1447353750. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about James S. Williams, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Family PracticePrimary specialty
May acceptAccepts Medicare assignment
35Years since medical school (graduated 1991)
MaleGender (as listed)
Reagan Hospital DistrictGroup practice

Quick answers

Which hospitals does James S. Williams work at?
Medicare's official clinician data lists James S. Williams at 1 hospital: Reagan Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does James S. Williams see patients?
Medicare's clinician data lists 1 practice location in Big Lake, TX. Call before your visit to confirm the address.
What is James S. Williams's specialty?
Medicare lists Family Practice as the primary specialty.
Does James S. Williams accept Medicare assignment?
Medicare's clinician data says James S. Williams may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is the phone number for James S. Williams?
(325) 884-2561, as listed in official Medicare / NPI Registry data.
What is James S. Williams's NPI number?
1447353750. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where James S. Williams works

Medicare's Facility Affiliation Data lists James S. Williams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where James S. Williams is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists James S. Williams as a member of this group (CMS data updated 2026-10-02).

  • Reagan Hospital District2 clinicians in the group

Specialties

Find other Family Practice doctors in Texas →

Other family doctors in Texas

Clinicians with the same Medicare primary specialty in Texas — not a recommendation.

All family doctors in Texas →

Clinician information

CredentialMD
Graduation year1991
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1447353750
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians