Healthcare Professionals

Internal Medicine Faculty

The Internal Medicine attending staff is made up of board-certified individuals who are committed to internal medicine and represent all medical disciplines and patterns of practice


Noel Robin

Noel Robin, M.D.

Chair, Department of Medicine
Professor of Clinical Medicine and Associate Dean at Stamford Hospital/Columbia University College of Physicians and Surgeons

Maria E. Maldonado, M.D.

Program Director, Internal Medicine Residency Program
Associate Chair, Department of Medicine
Assistant Professor of Clinical Medicine
Stamford Hospital/Columbia University College of Physicians and Surgeons

Kirsten B. Hohmann, M.D.

Assistant Program Director, Internal Medicine Residency Program
Medical Director of Ambulatory Practice, Optimus Healthcare
Assistant Professor of Clinical Medicine
Stamford Hospital/Columbia University College of Physicians and Surgeons

Maher I. Madhoun, M.D.

Assistant Program Director of Inpatient Teaching
Internal Medicine Residency Program
Instructor in Clinical Medicine
Stamford Hospital/Columbia University College of Physicians and Surgeons

James S. Krinsley, M.D.

Director of Critical Care Medicine
Professor of Clinical Medicine
Stamford Hospital/Columbia University College of Physicians and Surgeons

Dominic J. Roca, M.D., Ph.D.

Director of Sleep Medicine
Assistant Professor of Clinical Medicine
Stamford Hospital/Columbia University College of Physicians and Surgeons

Steven Thau

Steven A. Thau, M.D.

Medical Director of Intermediary Care Unit
Instructor in Clinical Medicine
Stamford Hospital/Columbia University College of Physicians and Surgeons

Steven F. Horowitz, M.D.

Director of Cardiology
Professor of Clinical Medicine
Stamford Hospital/Columbia University College of Physicians and Surgeons

Hiren Mody

Hiren I. Mody, M.D.

Hospitalist, Internal Medicine
Instructor in Clinical Medicine
Stamford Hospital/Columbia University College of Physicians and Surgeons

John Fitzgibbons

John P. Fitzgibbons, M.D.

Preceptor in Ambulatory Practice, Optimus Healthcare
Professor of Clinical Medicine
Stamford Hospital/Columbia University College of Physicians and Surgeons