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Sibley Physician Group - About Sibley Physician Group (SPG)

Sibley Physician Group

The Sibley Physician Group (SPG) is an integrated team of exceptional, board-certified primary care and specialty physicians dedicated to delivering quality compassionate care and services.  The team is comprised of primary care and specialty physicians and nurse practitioners, physician assistants, nurses, clinical associates, diagnostic staff and non-clinical staff.

The diverse group of physicians delivers care across a range of clinical specialties. This growing list of specialty practices includes:

For general information, contact: 

Sumera Haque, MBBS, MPH, Clinical Operations Director
Phone: 202-537-4593

You may also reach each of the physicians at their individual phone numbers listed below.

The Sibley Physician Group is accepting new patients.  Our physicians accept most insurance carriers. Inquire about whether your insurance is accepted when making an appointment.

Unless otherwise noted, all physicians are located at Sibley Memorial Hospital, 5255 Loughboro Rd. N.W., Washington, D.C. 20016.

Breast Radiologists

Pouneh Razavi, M.D.
David Schlesinger, M.D.
Sara Shaylor, M.D.
Sibley Memorial Hospital
Sullivan Center for Breast Health
Phone: 202-537-4545

Breast Surgeons

Colette Magnant, M.D., Director, Breast Cancer Program
Bonnie Sun, M.D.
Sibley Memorial Hospital
Phone: 202-243-5230

General Surgeon & Intensivist

Hasan Zia, M.D., Director, Critical Care and Emergency Surgery
Tuesdays at Sibley Memorial Hospital: 
Phone: 202-370-6570

Gynecologic Oncology Surgeons

Jeffrey Lin, M.D., Director
Mildred Chernofsky, M.D.
Sibley Memorial Hospital
Phone: 202-243-5295


Mary Therese O'Donnell, M.D., MPH, Director
Michael Lee, M.D.
Aparna Miano, M.D.
Lisa Olin, M.D.
Peter Tait, M.D.
Patrima Thotakura, M.D.
Jonathan Cohen, M.D.
Pooja Gupta, M.D.
Kushal Karnik, M.D.
Charles Martinez, NP
Cristina Murdock, M.D.
Brent Skiver, M.D.
Aarati Yellamenchili, M.D.

Sibley Memorial Hospital
Phone: 202-537-4342

About Johns Hopkins Community Physicians

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