Sarah H. O Connell, MD

Medicare activity in 2024

Official CMS public-use data for Sarah H. O Connell, 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. Screening 3d breast mammography (77063)400 services
2. Screening mammography (77067)400 services
3. X-ray of chest, 1 view (71045)157 services
4. Ct scan head or brain without contrast (70450)134 services
5. Complete ultrasound scan of 1 breast (76641)105 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 pressure73%
• Arthritis47%
• Anxiety36%
• Ischemic heart disease31%
• Depression29%

Hospitals where Sarah H. O Connell works

Medicare's Facility Affiliation Data lists Sarah H. O Connell 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.

• Danbury HospitalDanbury, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070033
• Johnson Memorial HospitalStafford Springs, CT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 070008
• St Francis Hospital & Medical CenterHartford, CT · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 070002

Practice locations

Addresses where Sarah H. O Connell is enrolled with Medicare (CMS data updated October 2, 2026).

• 114 Woodland StHartford, CT 06105 (203) 426‑3002
• 24 Hospital AveDanbury, CT 06810 (203) 739‑7532
• 34 Maple StNorwalk, CT 06850 (203) 748‑0834

Group practices

Medicare enrollment lists Sarah H. O Connell as a member of these groups (CMS data updated October 2, 2026).

• Advanced Imaging Specialists LLC46 clinicians in the group
• Premier Imaging LLC46 clinicians in the group
• Danbury Radiological Associates, PC37 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in Connecticut →

Other radiologists in Hartford

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

• Bipinchandra Jagjivan, MD
• Gregory Nevsky, MD
• Glenn Mason, MD
• Timothy Tash, MD
• Joseph Fonte, MD
• Michael I. Firestone, MD
• Sofiya Greenberg, MD
• Ahmed Elakkad, MD

All radiologists in Hartford →

Other clinicians in Advanced Imaging Specialists LLC

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

• Paul McGuire, MD
• Matthew Mikhail, MD
• Neerav R. Mehta, MD
• Folco Scappaticci, MD
• Diana M. James, MD
• Jeffrey H. Hawley, 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