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HSS Medical Staff

Please find below a directory of our physicians listed by department. If you wish to search for a physician by specialty and/or location, go to our Find a Doctor search form. If you would like help finding the right doctor for you, contact our Physician Referral Service at 877.606.1555.

Honorary Staff

Stephen W. Burke, MD - Orthopedic Surgery
Lawrence J. Kagen, MD - Medicine
Richard L. Kahn, MD - Anesthesiology
David B. Levine, MD - Orthopedic Surgery
Chitranjan S. Ranawat, MD - Orthopedic Surgery
Nigel E. Sharrock, MD - Anesthesiology
Peter Tsairis, MD - Neurology
Andrew J. Weiland - Orthopedic Surgery

Medical Staff

Surgeon-in-Chief and Medical Director

Douglas E. Padgett, MD

Associate Surgeon-in-Chief and Deputy Medical Director

Answorth A. Allen, MD

Associate Surgeon-in-Chief and Director of Quality and Safety
Mathias P. Bostrom, MD


Surgeons-in-Chief Emeriti

Todd J. Albert, MD
Bryan T. Kelly, MD
Thomas P. Sculco, MD
Russell F. Warren, MD
Andrew J. Weiland, MD

Department of Orthopedic Surgery

Orthopedic Surgeons Emeriti

Stanley E. Asnis, MD
Oheneba Boachie-Adjei, MD
Walther H. Bohne, MD
Stephen W. Burke, MD
Edward V. Craig, MD, MPH
Michael J. Errico, MD

Lewis B. Lane, MD
David B. Levine, MD
Peter J. Marchisello, MD
Richard R. McCormack, Jr., MD
Chitranjan S. Ranawat, MD
Andrew J. Weiland, MD

Attending Orthopedic Surgeons
Associate Attending Orthopedic Surgeons 
Assistant Attending Orthopedic Surgeons
Ambulatory Care Center
Assistant Attending Physiatrist

David Hyams, MD

Associate Attending Surgeons

Gary A. Fantini, MD (Vascular Surgery)
Lloyd B. Gayle, MD (Plastic Surgery)

Assistant Attending Surgeons

Kenneth O. Rothaus, MD (Plastic Surgery)

Consulting Staff

Asheesh Bedi, MD (Hip Preservation)
Harvey Strauss, DPM (Podiatry)

Department of Medicine

Physician-in-Chief and Director

S. Louis Bridges, MD, PhD

Physicians-in-Chief Emeriti

Mary K. Crow, MD
Stephen A. Paget, MD

Attending Physicians
Associate Attending Physicians

C. Ronald MacKenzie, MD
Andy O. Miller, MD (Infectious Disease)
Linda A. Russell, MD
Sergio Schwartzman, MD
Emily M. Stein, MD (Endocrinology)

Assistant Attending Physicians

Juliet Aizer, MD, MPH (Rheumatology)
Dalit Ashany, MD (Rheumatology)
Medha Barbhaiya, MD (Rheumatology)
Jennifer M. Berger, MD
Ashira D. Blazer, MD, MSCI (Rheumatology)
Matthew L. Buchalter, MD
Trang M. Bui, MD
Natalie Burg, MD (Rheumatology)
James J. Calloway, MD (Perioperative)
Karmela K. Chan, MD (Rheumatology)
Helen H. Chung, MD
Obinna D. Eneanya, MD
David R. Fernandez, MD (Rheumatology)
Veronica Garcia Fusco, MD (Perioperative)
Nilasha Ghosh, MD, MS (Rheumatology)
Jacobo Futran, MD
Katherine N. Haseltine, MD (Endocrinology)
Dahlia Hassan, MD (Rheumatology)
Michael W. Henry, MD (Infectious Disease)
Miriam B. Hoffman, MD (Perioperative)
Wesley Hollomon, MD
Michael I. Jacobs, MD (Dermatology)
Abdulkader Kasabji, MD
Mary J. Kollakuzhiyil, MD
Lindsay S. Lally, MD (Rheumatology)
Geeta G. Laud, MD
Lawrence F. Levin, MD (Chief, Cardiovascular)

Alana B. Levine, MD (Rheumatology)
Sarah B. Lieber, MD, MS (Rheumatology)
Lisa A. Mandl, MD (Rheumatology)
Bella Mehta, MBBS, MS (Rheumatology)
Charis F. Meng, MD (Rheumatology)
Iris Y. Navarro-Millan, MD (Rheumatology)
Mitchell C. Nelson, MD
Dana E. Orange, MD, MS
Nancy Pan, MD (Pediatrics)
Edward J. Parrish, MD (Rheumatology)
Elizabeth Robilotti, MD (Infectious Disease)
Lauren Ambler Robinson, MD (Pediatrics)
Elizabeth Schulman, MD (Rheumatology)
Kimberly (Showalter) Lakin, MD (Rheumatology)
Mili Shum, MD
Caroline H. Siegel, MD, MS (Rheumatology)
Alana E. Sigmund, MD (Perioperative)
Melanie H. Smith, MD, PhD (Rheumatology)
Jessica R. Starr, M.D (Endocrinology)
Sarah F. Taber, MD (Pediatrics)
Ariel D. Teitel, MD
Theresa Wampler Muskardin, MD (Pediatrics)
Dee Dee Wu, MD (Rheumatology)
Arthur M. Yee, MD, PhD (Rheumatology)
Christine M. Yu, MD
Florence Yu, MD
Jennie Yu, MD (Perioperative)
Weijia Yuan, MD (Rheumatology)

Physicians to Ambulatory Care Center

Alana C. Serota, MD

Consulting Staff
Michael S. Farber, MD
Thomas M. Novella, DPM
(Podiatric Medicine, Performing Arts Medicine (Dance))

Physicians Emeriti

Harry Bienenstock, MD
Michael D. Lockshin, MD
Bento R. Mascarenhas, MD
Joseph A. Markenson, MD
Irwin Nydick, MD
Martin Nydick, MD
Ernest Schwartz, MD
James P. Smith, MD
Mary Beth Walsh, MD

Clinical Psychology



Lisa S. Ipp, MD

Attending Pediatrician

Lisa S. Ipp, MD
Karen Brandt Onel (Chief, Pediatric Rheumatology)

Associate Attending Pediatricians

Alexa B. Adams, MD
Jessica G. Davis, MD (Genetics)
Jordan D. Metzl (Primary Sports Medicine)

Assistant Attending Pediatricians

Susan B. Bostwick, MD
Mary F. DiMaio, MD
Matthew R. Murray, MD
Nancy Pan, MD
Stephanie L. Perlman, MD
Melanie C. Prior, MD
Sarah F. Taber, MD
Theresa Wampler Muskardin, MD



John W. Barnhill, MD

Attending Psychiatrist

John W. Barnhill, MD

Assistant Attending Psychiatrist

Ruth Cohen, MD

Consulting Psychiatrist

Allan M. Lans, DO

Primary Sports Medicine

Department of Anesthesiology, Critical Care & Pain Management

Anesthesiologist-in-Chief and Director

Stavros G. Memtsoudis, MD, PhD

Anesthesiologist-in-Chief Emeritus

Gregory A. Liguori, MD

Attending Anesthesiologists

Gregory A. Liguori, MD
Spencer S. Liu, MD
Stavros G. Memtsoudis, MD, PhD

Associate Attending Anesthesiologists
Assistant Attending Anesthesiologists
Assistant Attending Physician (Non-Interventional Pain Medicine)

Christine J. Peterson, MD

Assistant Attending Neurologist (Pain Management)

Vladimir N. Kramskiy, MD

Department of Neurology

Neurologist Emeritus

Peter Tsairis, MD

Attending Neurologists

Ronald G. Emerson, MD
Matthew E. Fink, MD
Dexter Y. Sun, MD, PhD

Associate Attending Neurologist

Teena Shetty, MD

Assistant Attending Neurologists

Bridget T. Carey, MD
Vladimir Kramskiy, MD
Dora K. Leung, MD
Erin E. Manning, MD
Puja Jain, MD
Brion D. Reichler, MD
Alexander Shtilbans, MD, PhD

Department of Pathology and Laboratory Medicine

Pathologist-in-Chief and Director

Thomas W. Bauer, MD

Attending Pathologists

Edward F. DiCarlo, MD
Michael J. Klein, MD

Associate Attending Pathologist

Roberto A. Garcia, MD
Yaxia Zhang, MD, PhD

Assistant Attending Pathologists

Fermina M. Mazzella, MD
Daniel C. Ramirez, MD

Department of Physiatry

Department of Radiology and Imaging


Department of Rehabilitation Medicine

Director and Chief

Michael M. Alexiades, MD