Contact   |    Careers   |    Employees   |    Physicians

Find a Doctor




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 Radiologist

Pouneh Razavi, 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.
David Mitchell, M.D.
Lisa Olin, M.D.
Sian Spurney, M.D.
Peter Tait, M.D.
Patrima Thotakura, M.D.

Sibley Memorial Hospital
Phone: 202-537-4342

Internal Medicine, Primary Care

Matty Mathivannan, M.D.
Mark D. Strong, M.D.

Iona Senior Services
4125 Albemarle Street, NW
Washington, DC 20016
Phone: 202-660-7800

Palliative Care

Chris Butler, CRNP
Sibley Memorial Hospital
Phone: 202-370-6580


About Johns Hopkins Community Physicians

For information about the Johns Hopkins Community Physicians (JHCP) visit

For information about JHCP General Surgery Foxhall, click here.

© Copyright 2014 Sibley Memorial Hospital