HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / MA

JEFFREY A BARNES, MD

MEDICAL ONCOLOGY

Medical school: UNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)

Graduated: 2004

Also: INTERNAL MEDICINE

Offers telehealth

NPI: 1326238411

Practice Locations (4)

THE GENERAL HOSPITAL CORPORATION

55 FRUIT ST

BOSTON, MA 021142621

6177262000

MASSACHUSETTS GENERAL PHYSICIANS ORGANIZATION INC

55 FRUIT ST

BOSTON, MA 021142696

6177240287

THE GENERAL HOSPITAL CORPORATION

2014 WASHINGTON ST

NEWTON, MA 024621607

6172191200

MARTHA'S VINEYARD HOSPITAL INC

1 HOSPITAL RD

OAK BLUFFS, MA 025571406

508693041079525

Source: CMS National Downloadable File, September 2026.

JEFFREY BARNES, MD | HealthCareAtlasUSA