Michael K. O’Brien M.D., Ph.D., FACS, is an Assistant Clinical Professor of Surgery at Yale University, Associate Section Chief in the section of general surgery at Yale New Haven Hospital, and the surgical coordinator in Clinical Anatomy at Yale University School of Medicine.  He is a member of the American Society of Breast Surgeons and has completed advanced courses in Breast Ultrasound.  Dr. O’Brien joined Surgical Associates of New Haven in 1996. He enjoys sharing his knowledge with others, educating not only his students, but his patients as well. He takes time to get to know his patients, developing relationships with them in an effort to deliver the best possible patient care and coupling that with up-to-date techniques and treatments.

Dr. O’Brien has office hours in New Haven.

Advanced Certification

• American Board of Surgery, Certified
• State of Connecticut, Licensed

Education

Undergraduate:

B.A.
St. Anselm College
Manchester, New Hampshire

Graduate:

Ph.D.
Bowman Gray School of Medicine
Wake Forest University
Winston-Salem, North Carolina
Anatomy and Neuroscience

Medical:

M.D.
Bowman Gray School of Medicine
Wake Forest University
Winston-Salem, North Carolina

Postgraduate Medical:

Waterbury Hospital Health Center
Yale University School of Medicine
Department of Surgery
Intern

Yale New Haven Hospital
Yale University School of Medicine
Department of Surgery
Resident, Chief Resident

Hospital Appointments

Attending – Surgery

Yale New Haven Hospital
York Street Campus
Smilow Cancer Hospital
St. Raphael’s Campus
New Haven, Connecticut

Academic Appointments

Assistant Clinical Professor of Surgery
Yale School of Medicine
New Haven, Connecticut