Elizabeth C. Riordan, MD

Medicare activity in 2024

Official CMS public-use data for Elizabeth C. Riordan, 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. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)207 services
2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)29 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 cholesterol75%
• High blood pressure72%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)71%
• Arthritis50%
• Osteoporosis30%
• Anxiety23%

Hospitals where Elizabeth C. Riordan works

Medicare's Facility Affiliation Data lists Elizabeth C. Riordan 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.

• Uconn Health Waterbury HospitalWaterbury, CT · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 070005

Practice locations

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

• 18 Haynes St, Uppr LevelManchester, CT 06040 (860) 649‑7557
• 32 Poverty RdSouthbury, CT 06488 (203) 262‑6797

Group practices

Medicare enrollment lists Elizabeth C. Riordan as a member of these groups (CMS data updated October 2, 2026).

• Prospect Ct Medical Foundation Inc282 clinicians in the group
• Uconn Health Community Network Medical Group, Inc.78 clinicians in the group

Specialties

• General Surgeryprimary

Find other General Surgery doctors in Connecticut →

Other general surgeons in Manchester

Clinicians with the same Medicare primary specialty in Manchester, CT — not a recommendation.

• Eyone Jones, MD
• Varvara S. Mironova, MD
• Mohamad M. Suede, MD
• Laureen Forgione-Rubino, MD

All general surgeons in Manchester →

Other clinicians in Prospect Ct Medical Foundation Inc

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

• Sun-Joo Jang, MD
• David J. Pizzuto, MD
• Lori A. Washenko
• Allison L. Waggoner, DO
• Richard C. Orris, DO
• Edward Vegliante

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