Drexel Rheumatology Associates
219 North Broad Street, 9th Floor
Philadelphia, PA 19107
Phone: 215-762-2688
Fax: 215-762-2689

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Physicians located at this practice:

Attendings
Humaira Hussain, M.D.
Lawrence Leventhal, M.D.
Carolyn O'Connor, M.D.
Vincent Zarro, M.D.

Fellows
Malini Rusia, M.D.
Vijay Singh, M.D.
Sarah Coleman, M.D.
Humaira Adenwalla, M.D.

Physicians' Assistant
Lori Walton, P.A.

Services Provided: Out-patient office visits and consultations.

Appointments
If you would like to schedule an appointment with one of our physicians, please call us at 215-965-6000. For physician clinical hours, please scroll down.

Office Hours
Our general office hours are Monday through Friday, 8:00 a.m. to 5:00 p.m. For additional information, please contact our office at 215-762-2688.

Insurance Information
We accept most major medical insurance plans. To view the list of insurance carriers accepted at our practice, please click here.

Clinic Hours for Our Physicans

Dr. Hussain:
Monday, 1:00 p.m. to 4:30 p.m
Thursday, 1:00 p.m. to 4:30 p.m. 
Friday, 8:00 a.m. to 12:00 noon

Dr. Leventhal:
Monday, 8:30 a.m. to 12:00 noon and 1:00 p.m. to 4:30 p.m.
Wednesday, 1:00 p.m. to 4:30 p.m.
Thursday, 8:30 a.m. to 12:00 noon
Friday, 8:30 a.m. to 12:00 noon

Dr. O'Connor:  
Monday, 8:30 a.m. to 12:00 noon
Friday, 8:00 a.m. to 12:00 p.m.

Lori Walton, PA: 
Monday, 2:00 p.m. to 3:30 p.m.
Tuesday, 8:30 a.m. to 12:00 noon
Wednesday, 2:00 p.m. to 3:30 p.m.
Thursday, 8:30 a.m. to 12:00 noon
Friday, 8:30 a.m. to 12:00 noon

Dr. Zarro:   
Wednesday, 1:00p.m. to 4:30p.m.  
Thursday, 1:00 p.m. to 4:30 p.m.

For our fellows' clinic hours, please call 215-762-2688.