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Emergency Medicine

Alexander Williams, MD

Works at hospitals in McKinney, TX · Texas

Summary

Alexander Williams, MD (Emergency Medicine) is listed by Medicare at 1 hospital in McKinney, TX. NPI 1134615917. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Alexander 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

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
8Years since medical school (graduated 2018)
Texas Tech University Health Science Center School Of MedicineMedical school
MaleGender (as listed)
Century Integrated Partners, IncGroup practice

Quick answers

Which hospitals does Alexander Williams work at?
Medicare's official clinician data lists Alexander Williams at 1 hospital: Baylor Scott and White Medical Center McKinney. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Alexander Williams see patients?
Medicare's clinician data lists 2 practice locations, including Frisco, TX and Dallas, TX. Call before your visit to confirm the address.
What is Alexander Williams's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Alexander Williams accept Medicare assignment?
Yes. Medicare's clinician data says Alexander Williams accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Alexander Williams?
(469) 764-8000, as listed in official Medicare / NPI Registry data.
What is Alexander Williams's NPI number?
1134615917. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Alexander Williams works

Medicare's Facility Affiliation Data lists Alexander 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 Alexander Williams is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Century Integrated Partners, Inc340 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Texas →

Other emergency medicine doctors in Frisco

Clinicians with the same Medicare primary specialty in Frisco, TX — not a recommendation.

All emergency medicine doctors in Frisco →

Clinician information

CredentialMD
Medical schoolTexas Tech University Health Science Center School Of Medicine
Graduation year2018
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1134615917
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