Si Hyung Woo, MD

Medicare activity in 2024

Official CMS public-use data for Si Hyung Woo, 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. Emergency department visit with moderate level of medical decision making (99284)368 services
2. Emergency department visit with high level of medical decision making (99285)105 services
3. Critical care, first 30-74 minutes (99291)62 services
4. Emergency department visit with low level of medical decision making (99283)19 services
5. Emergency department visit with straightforward medical decision making (99282)14 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 cholesterol74%
• Arthritis51%
• Anxiety46%
• Depression39%
• Diabetes33%

Hospitals where Si Hyung Woo works

Medicare's Facility Affiliation Data lists Si Hyung Woo 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.

• John Dempsey Hospital of the University of ConnectFarmington, CT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 070036

Practice locations

Addresses where Si Hyung Woo is enrolled with Medicare (CMS data updated October 2, 2026).

• 263 Farmington AveFarmington, CT 06030 (860) 679‑2000

Group practices

Medicare enrollment lists Si Hyung Woo as a member of this group (CMS data updated October 2, 2026).

• State of Connecticut260 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in Connecticut →

Other emergency medicine doctors in Farmington

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

• Lauren Bacon, MD
• Kevin Gentile, DO
• Natalie J. Moore, MD
• Aleksandr Gorenbeyn, MD
• Nicole Sales, DO
• Suzanne Doyon, MD
• Matthew Barr, MD
• Genevieve C. Oconnell, MD

All emergency medicine doctors in Farmington →

Other clinicians in State of Connecticut

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

• Juliann Garcia
• Lauren Bacon, MD
• Angela M. Virella
• Catalin Pralea, MD
• Christine M. Demaio
• Fabiola Arbelo Cruz, 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