Marc S. Sabatine, MD

Medicare activity in 2024

Official CMS public-use data for Marc S. Sabatine, 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. Critical care, first 30-74 minutes (99291)129 services
2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)25 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)18 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%
• Ischemic heart disease75%
• Heart failure75%
• Atrial fibrillation63%
• Chronic kidney disease61%

Hospitals where Marc S. Sabatine works

Medicare's Facility Affiliation Data lists Marc S. Sabatine 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.

• Brigham and Women's HospitalBoston, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220110
• Massachusetts General HospitalBoston, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220071

Practice locations

Addresses where Marc S. Sabatine is enrolled with Medicare (CMS data updated October 2, 2026).

• 55 Fruit StBoston, MA 02114 (617) 724‑0287
• 70 Francis StBoston, MA 02115 (857) 307‑4100

Group practices

Medicare enrollment lists Marc S. Sabatine as a member of these groups (CMS data updated October 2, 2026).

• Massachusetts General Physicians Organization Inc3,558 clinicians in the group
• Brigham and Womens Physicians Organization Inc2,994 clinicians in the group

Specialties

• Cardiovascular Disease (Cardiology)primary
• Internal Medicinealso

Find other Cardiovascular Disease (Cardiology) doctors in Massachusetts →

Other cardiologists in Boston

Clinicians with the same Medicare primary specialty in Boston, MA — not a recommendation.

• Craig Basson, MD
• Safwat A. Aly, MD
• Yuliya Mints, MD
• Brendan M. Everett, MD
• Danielle Sganga
• Maria A. Pabon Porras, MD
• Steven Lampert, MD
• Marie D. Gerhard-Herman, MD

All cardiologists in Boston →

Other clinicians in Massachusetts General Physicians Organization Inc

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

• David E. Alvarez Cespedes, MD
• Hannah M. King, PSY
• Chih-Chun Lin, MD
• Sherrin L. Gallagher
• Carolyn M. Collins, CNA
• Youngwu Kim, 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