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1-315-478-2339 (Office)

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1-315-478-0439 (Fax)

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5793 Widewaters Pkwy., Suite 250
Syracuse, New York 13214

About Us

The practice was started in 1963 by Dr. Richard Sheehan, in the former Midtown Plaza building, on Water Street, Syracuse. Dr. Michael Sheehan, joined the practice in 1994. Dr. Richard Sheehan, a pediatrician, retired when Dr. Harcharan Singh, joined us in 2002. In the professional corporation, both Dr. Michael Sheehan and Dr. Harcharan Singh are the principal Medical Directors. AARA moved in March 2017 to the present location, at 5793 Widewaters Plaza, Syracuse.

Allergy-Asthma-Rheumatology Associates has established itself as a principle referring center for a variety of Allergy & Immunologically related conditions for children and adults. AARA has had the privilege of serving over 43,000 patients!


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Our Doctors

Dr. Michael Sheehan

Dr. Sheehan is a Syracuse native. He completed his undergraduate studies at Le Moyne College and, additionally, his undergraduate medical studies at the Upstate Medical Center, in Syracuse. Subsequently, he completed his Internship and Residency in Internal Medicine at the Allegheny General Hospital in Pittsburgh, Pennsylvania. After residency, he did one year of fellowship training in Infectious Diseases at the University of Pittsburgh Medical Center.

Following this, he decided to change his direction by completing a three-year integrated Fellowship in Allergy, Clinical Immunology and Rheumatology at the Strong Memorial Hospital in Rochester, NY.

Dr. Michael Sheehan joined his father’s practice in Syracuse in 1994 and has been seeing patients ever since. He now only practices Allergy and Clinical Immunology, specifically dealing with Immunodeficiency. Dr. Sheehan is Board Certified in Internal Medicine, Allergy and Immunology. He is a member of the American Academy and a Fellow of the American College of Allergy, Asthma and Immunology. He has broad clinical experience in patient care. His hobbies include, music, photography, gardening, cooking and reading.

Dr. Harcharan Singh

Dr. Harcharan Singh received his medical degree at University of Delhi, India. Subsequently he did postgraduate training in Pediatrics in India, UK and USA. Between late 1989 and the summer of 1994 he worked in General Pediatrics and Pediatric Hematology at various hospitals in UK. During this time he became a member of the Royal College of Physicians in UK.

He moved to the United States in 1994 for his Residency in Pediatrics at the North Shore University Hospital, affiliated with Cornell University. After finishing his residency he worked as a general Pediatrician at the Hocking Valley Medical Group in Logan, Ohio before starting his Fellowship in Allergy and Immunology at SUNY Buffalo, NY in 1999. After finishing his fellowship and practicing as an allergist in Portland Oregon for one year, he joined Allergy Asthma Rheumatology Associates in Syracuse NY in September of 2002.

He has received board Certification in Allergy and Immunology, Pediatrics and Integrative Medicine. He is a member of the American Academy of Allergy, Asthma and Immunology and the American College of Allergy Asthma and Immunology.

He currently resides in Fayetteville NY with his family. He enjoys nature, hiking, painting and computer programming.

HIPPA disclaimer

Allergy, Asthma, Rheumatology Associates, PC DOES NOT respond to Healthcare questions or prescription requests online due to HIPPA restrictions. For an appointment, PLEASE CALL OUR OFFICE or send your name and phone number. We will get back to you within 48hrs.


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