The Johns Hopkins Department of Medicine encompasses over 20 Divisions with over 450 full-time faculty members. Divisions are located in two main locations, East Baltimore (Broadway) and Bayview.

Allergy and Clinical Immunology (Bayview)
      Interim Division Director: Susan MacDonald, MD
      Administrator: Kate Walls

Cardiology (Broadway)
      Division Director: Gordon Tomaselli, M.D.
      Administrator: Anne Evual

Cardiology (Bayview)
      Division Director: Nisha Chandra-Strobos, M.D.
      Administrator: Amina Burthey

Chemical Dependence (Bayview)
      Division Director: Michael Fingerhood, M.D.
      Administrator: Debbie Blunt

CIMS/Hospitalist
      Division Director: Eric Howell, M.D.
      Administrator: Tiffani Panek

Clinical Pharmacology (Broadway)
      Division Director: Theresa Shapiro, M.D.
      Administrator: Jeannette Fanning

Endocrinology (Broadway)
      Division Director: Paul Ladenson, M.D.
      Administrator: Daniel Hager

Endocrinology (Bayview)
      Division Director: Suzanne Jan de Beur, M.D.
      Administrator: Clint Shifflett

Gastroenterology (Broadway)
      Division Director: Anthony Kalloo, M.D.
      Administrator: Tiffany Boldin

Gastroenterology (Bayview)
      Division Director: Jay Pasricha, M.D.
      Administrator: Andréa Fleming

General Internal Medicine (Broadway)
      Division Director: Jeanne  Clark, MD, MPH
      Administrator: Becky Hanst

General Internal Medicine (Bayview)
      Division Director: Scott Wright, M.D.
      Administrator: Clint Shifflett

Geriatrics (Bayview)
      Division Director: Samuel C. Durso, M.D.
      Administrator: Tom Berlin

Hematology (Broadway and Bayview)
      Division Director: Robert Brodsky, M.D.
      Administrator: April Lawner

Immunogenetics (Broadway)
      Division Directors: Mary Sue Leffell, Ph.D., and Andrea Zachary, Ph.D.
      Administrator: John Hart

Infectious Disease (Broadway)
      Division Director: David Thomas, M.D.
      Administrator: Jill Kearney

Infectious Disease (Bayview)
      Division Director: Jonathan Zenilman, M.D.
      Administrator: Jill Kearney

Molecular Medicine (Broadway)
      Division Director: Andy Feinberg, M.D.
      Administrator: Megan Martin

Nephrology (Broadway and Bayview)
      Division Director: Paul Scheel, M.D.
      Administrator: Ashlea Barrett

Occupational and Environmental Medicine (Broadway)
      Division Director: Edward Bernacki, M.D.
      Administrator: Amy Alfriend

Pulmonary and Critical Care (Broadway and Bayview)
      Division Director: Landon King, M.D.
      Administrator: Jennifer Nickoles

Rheumatology (Bayview and Broadway)
      Division Director: Anthony Rosen, M.D.
      Administrator: Aaron Williams