Priscilla K. Brastianos, MD

Medicare activity in 2024

Official CMS public-use data for Priscilla K. Brastianos, 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 high level of medical decision making, if using time, 40 minutes or more (99215)157 services
2. Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (G2212)41 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 pressure63%
• High cholesterol63%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)56%
• Arthritis42%
• Anxiety34%
• Depression32%

Hospitals where Priscilla K. Brastianos works

Medicare's Facility Affiliation Data lists Priscilla K. Brastianos 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 Eye and Ear Infirmary -Boston, MA · Acute Care Hospital · Emergency services: listed by Medicare · CCN 220075
• Massachusetts General HospitalBoston, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220071

Practice locations

Addresses where Priscilla K. Brastianos is enrolled with Medicare (CMS data updated October 2, 2026).

• 55 Fruit StBoston, MA 02114 (617) 726‑2000

Group practices

Medicare enrollment lists Priscilla K. Brastianos as a member of these groups (CMS data updated October 2, 2026).

• Massachusetts General Physicians Organization Inc3,558 clinicians in the group
• The General Hospital Corporation1,267 clinicians in the group

Specialties

• Medical Oncologyprimary
• Internal Medicinealso

Find other Medical Oncology doctors in Massachusetts →

Other oncologists in Boston

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

• Michael J. Dennis
• Brandon Huffman, MD
• Laura Baum, MD
• Geoffrey R. Oxnard
• Aaron N. Hata
• Jennifer L. Crombie, MD
• Lee M. Nadler, MD
• Matthew G. Oser

All oncologists in Boston →

Other clinicians in Massachusetts General Physicians Organization Inc

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

• John O. Hwabejire
• Erika L. Rangel, MD
• Yakeel T. Quiroz-Gaviria
• Ellen M. Leitman, MD
• James R. Stone, MD
• Nancy Wang, 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