Our first priority is the health, wellness and safety of everyone who walks through our doors.

Bryn Mawr Medical Specialists Association is open for medically necessary office visits and procedures only. BMMSA as a corporation is taking all necessary precautions and following public health safety guidelines in regards to the COVID-19 pandemic.

TeleMedicine appointments are now available. Please contact your physicians office for eligibility, additional information, and with any concerns or questions.

As per order of the Commonwealth of Pennsylvania, any person entering our office building is required to wear a face mask at all times. Patients will not be permitted to enter the building without a face mask.

All patients should expect to be phone screened by Bryn Mawr Medical Specialists Association staff for COVID-19 symptoms or exposures prior to their appointment and again upon arrival. Patients should also expect to be temperature screened upon arrival in the office.

If your answer to any of the following questions is “Yes”, we ask that you call to reschedule your appointment.

In the past 14 days, have you developed any fever, cough or shortness of breath?
In the past 14 days, have you developed any of the following new symptoms?

  • Body aches or muscle pains?
  • Chills or repeated shaking with chills?
  • Headache?
  • Sore throat?
  • New loss of taste or of smell?
  • Have you, or anyone you have close contact with, been recently referred for COVID-19 testing?

In the past 14 days, have you traveled outside of PA? If “Yes”, please call the office to notify us of travel BEFORE your appointment. Patients recently returning from travel restricted states or countries will be asked to reschedule their appointment.

For the safety of our staff and other patients, patient family members or companions are not permitted at this time to accompany patients to their appointments (unless medically necessary or the patient is a minor). Bryn Mawr Medical Specialists Association respectfully asks family members or companions to wait outside or safely in their vehicle.

We encourage all of our patients to visit the CDC website and Main Line Health COVID-19 Response website to read more about everyday preventative measures and for the most up to date guidance regarding the Coronavirus (COVID-19). If you are concerned that you may have the Coronavirus (COVID-19), please contact your local Health Departments.

If you have any questions regarding our policy and your appointment, please call your doctor’s office.

Belinda Birnbaum, M.D.



  • Internal Medicine

    Board Certified in 2003
  • Rheumatology

    Board Certified in 2005


Bryn Mawr Medical Arts Pavilion
825 Old Lancaster Road
Suite 470
Bryn Mawr, PA 19010

Phone: (610) 525-4463
Fax: (610) 527-2854


Medical School

University of Rochester School of Medicine and Dentistry, 2000


New York University and Bellevue Medical Center, 2003


New York University/ Hospital For Joint Diseases 2005


Bryn Mawr Hospital

Lankenau Hospital

Memberships and Activities

American College of Rheumatology

Philadelphia Rheumatism Society

Lupus Foundation of America

Guest speaker, Lupus Foundation of America

Previous Positions

Temple University; Assistant Professor of Rheumatology 2005-2007

The University of Pennsylvania; Assistant Professor of Rheumatology 2008-2016


Peer-Reviewed Publications

“Reliability and Validity of Cutaneous Sarcoidosis Outcome Instruments Among Dermatologists, Pulmonologists, and Rheumatologists”
Yeung H, Farber S, Birnbaum BK, Dunham J, Ogdie A, Patterson KC, Payne AS, Porteous MK, Rossman MD, Sharim R, Takeshita J, Werth VP, Shin DB, Price S, Rosenbach M:
JAMA Dermatology 151(12): 1317-1322, Dec 2015

“Using temporal artery biopsy to diagnose giant cell arteritis in a patient with bilateral arm ischemia”
Glaser J, Sharim R, Birnbaum B, Montone K, Wang G
International Journal of Surgery Case Reports 13: 95-8, 2015

“Ureaplasma septic arthritis in an immunosuppressed patient with juvenile idiopathic arthritis”
George MD, Cardenas AM, Birnbaum BK, Gluckman SJ
Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases 21(4): 221-4, Jun 2015

“Voriconazole-induced periostitis after allogeneic stem cell transplantation”
Baird JH, Birnbaum BK, Porter DL, Frey NV
American Journal of Hematology 90(6): 574-5, Jun 2015

“Disease progression in mothers of children enrolled in the Research Registry for Neonatal Lupus”
Rivera TL, Izmirly PM, Birnbaum BK, Byrne P, Brauth JB, Katholi M, Kim MY,Fischer J, Clancy RM, Buyon JP
Ann Rheum Dis. 68(6): 828-35, Jun 2009

“Fulminating Hydralazine-Induced Lupus Pneumonitis”
Birnbaum B, Sidhu G, Smith R, Pillinger M, Tagoe C
Arthritis Care and Research 55(3): 501-506, Jun 2006


“Prospective evaluation of diesease progression in mothers of children enrolled in the Research Registry for Neonatal Lupus”
Birnbaum B, Katholi M, Buyon J
Oral presentation, American College of Rheumatology, 2005

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