Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Anesthesiology

Dominique Y. Williams, MD

Works at hospitals in Saint Louis, MO · Missouri

Summary

Dr. Dominique Y. Williams, MD is an anesthesiologist at PO Box, Chicago, IL 60674. May accept Medicare assignment. NPI 1588232409. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: PO Box, Chicago, IL 60674 · Directions
  • Medicare: May accept Medicare assignment
  • Hospital: Barnes Jewish Hospital
  • Medical school: Medical University Of South Carolina College Of Medicine · graduated 2021 (5 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Dominique Y. 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 Dominique Y. Williams accept Medicare assignment?
Medicare's clinician data says Dominique Y. Williams may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Dominique Y. Williams's NPI number?
1588232409. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Dominique Y. Williams works

Medicare's Facility Affiliation Data lists Dominique Y. 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 Dominique Y. Williams is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Anesthesiology doctors in Illinois →

Other anesthesiologists in Chicago

Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.

All anesthesiologists in Chicago →

Clinician information

CredentialMD
Medical schoolMedical University Of South Carolina College Of Medicine
Graduation year2021 (5 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1588232409
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians