Our Physicians, complemented by Physician Assistants and Nurse Practitioners, are dedicated to providing you and your family with expert medical care.


John Corcoran, MD

John Corcoran, MD

Primary Specialty: Internal Medicine / Infectious Disease
Roy Loewenstein, MD

Roy Loewenstein, MD

Primary Specialty: Internal Medicine
Mark Mecikalski, MD

Mark Mecikalski, MD

Primary Specialty: Internal Medicine
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Maureen Middleton, NP

Primary Specialty: Nurse Practitioner
This provider supports  the physicians at Tucson Internal Medicine.
Elle Ross, DO

Elle Ross, D.O., Ph.D., M.S.

Primary Specialty: Internal Medicine