Elizabeth C. Williams, MD

Medicare activity in 2024

Official CMS public-use data for Elizabeth C. 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.

Most frequent services

1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)137 services
2. Critical care, first 30-74 minutes (99291)91 services
3. Insertion of artery tube for blood sampling or infusion through skin (36620)43 services
4. Anesthesia for extensive surgery on spine (00670)29 services
5. Anesthesia for other procedure on brain (00210)12 services

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%
• Diabetes45%
• Ischemic heart disease43%
• Depression40%

Hospitals where Elizabeth C. Williams works

Medicare's Facility Affiliation Data lists Elizabeth C. 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.

• University of Maryland Medical CenterBaltimore, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210002

Practice locations

Addresses where Elizabeth C. Williams is enrolled with Medicare (CMS data updated October 2, 2026).

• 22 S Green StBaltimore, MD 21201 (410) 328‑6720

Group practices

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

• University of Maryland Anesthesiology Associates PA143 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in Maryland →

Other anesthesiologists in Baltimore

Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.

• Brenda Iriele, MD
• Maywin Liu, MD
• Karen Lindeman, MD
• Reney A. Henderson, MD
• Sara Sateri, MD
• Kyaw S. Mon, MD
• Nadya Averbach, MD
• Patrick N. Odonkor, MD

All anesthesiologists in Baltimore →

Other clinicians in University of Maryland Anesthesiology Associates PA

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

• Reney A. Henderson, MD
• Obi Udekwu, MD
• Taylor Albanese, CNA
• Phyllis Carmen Colbert, CNA
• Megan G. Anders, MD
• Seung J. Lee, MD

Clinician information

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