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Anesthesiology

Aubrey L. Samost Williams, MD

Works at hospitals in Houston, TX · Texas

Summary

Dr. Aubrey L. Samost Williams, MD is an anesthesiologist at 5656 Kelley St, Houston, TX 77026. Phone: (713) 566-5000. Accepts Medicare assignment. In 2024, Aubrey L. Samost Williams had 31 Original Medicare patients and 34 services. NPI 1376994202. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 5656 Kelley St, Houston, TX 77026 · Directions (1 more location)
  • Phone: (713) 566‑5000
  • Medicare: Accepts Medicare assignment
  • Hospital: Memorial Hermann - Texas Medical Center
  • Group practice: UT Physicians
  • Medical school: University Of Massachusetts Medical School · graduated 2019 (7 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Aubrey L. Samost Williams, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Aubrey L. Samost Williams accept Medicare assignment?
Yes. Medicare's clinician data says Aubrey L. Samost Williams accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Aubrey L. Samost Williams see?
In 2024, CMS data shows 31 Original Medicare patients and 34 services for Aubrey L. Samost Williams. This counts Original Medicare only and measures volume, not quality.
What is Aubrey L. Samost Williams's NPI number?
1376994202. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Aubrey L. Samost Williams, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients31
Services billed to Medicare34
Different services or procedures20
Participating Medicare providerYes
Average age of these patients75

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis55%
  • Ischemic heart disease48%
  • Chronic kidney disease42%
  • Stroke or mini-stroke39%

Hospitals where Aubrey L. Samost Williams works

Medicare's Facility Affiliation Data lists Aubrey L. Samost Williams at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Aubrey L. Samost Williams is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Aubrey L. Samost Williams as a member of this group (CMS data updated October 2, 2026).

  • UT Physicians1,765 clinicians in the group

Specialties

Find other Anesthesiology doctors in Texas →

Other anesthesiologists in Houston

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

All anesthesiologists in Houston →

Other clinicians in UT Physicians

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Massachusetts Medical School
Graduation year2019 (7 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1376994202
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians