Christos G. Tsokos, MD

Medicare activity in 2024

Official CMS public-use data for Christos G. Tsokos, 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. Pathology examination of tissue using a microscope, intermediate complexity (88305)503 services
2. Special stained specimen slides to examine tissue, each additional procedure (88341)243 services
3. Special stained specimen slides to examine tissue, initial procedure (88342)107 services
4. Special stained specimen slides to examine tissue including interpretation and report (88313)81 services
5. Pathology examination of tissue using a microscope, moderately high complexity (88307)47 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 cholesterol70%
• High blood pressure67%
• Arthritis45%
• Anxiety31%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)31%
• Ischemic heart disease30%

Hospitals where Christos G. Tsokos works

Medicare's Facility Affiliation Data lists Christos G. Tsokos 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.

• Beth Israel Deaconess Hospital - NeedhamNeedham, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220083
• Beth Israel Deaconess Hospital PlymouthPlymouth, MA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 220060
• Beth Israel Deaconess Medical CenterBoston, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220086
• Massachusetts General HospitalBoston, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220071

Practice locations

Addresses where Christos G. Tsokos is enrolled with Medicare (CMS data updated October 2, 2026).

• 330 Brookline AveBoston, MA 02215 (617) 754‑8612
• 55 Fruit StBoston, MA 02114 (617) 724‑0287

Group practices

Medicare enrollment lists Christos G. Tsokos as a member of these groups (CMS data updated October 2, 2026).

• Massachusetts General Physicians Organization Inc3,558 clinicians in the group
• Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc1,740 clinicians in the group

Specialties

• Pathologyprimary

Find other Pathology doctors in Massachusetts →

Other pathologists in Boston

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

• Angela R. Shih, MD
• Michelle S. Hirsch, MD
• Narges Jahanseir, MD
• Andras Schaffer, MD
• Cynthia Hayne, MD
• Maria Cristina Riascos Morillo, MD
• Ashley Ward, MD
• Stuti Shroff, MD

All pathologists in Boston →

Other clinicians in Massachusetts General Physicians Organization Inc

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

• Nutan Sharma, MD
• Angela R. Shih, MD
• Khushboo Jhala, MD
• Juan C. Villa Camacho, MD
• Maria Duran-Mendicuti, MD
• Sarah E. Turbett, 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