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About Us

Mitra AOC

Mitra Arthritis and Osteoporosis Center, PC is a tertiary referral care center providing rheumatology services for a wide variety of rheumatic, musculoskeletal, metabolic and autoimmune disorders. We strive to provide holistic care to all our patients using a comprehensive approach to diagnosis, treatment and management of the various conditions.

Our core beliefs

Providing the highest quality of health care to all our patients.
Serving our local community by providing free health care services through the Free Community Clinic of Butler County 

Providing support and counseling to our patients for their medical, emotional and social needs.


Our goal is to provide holistic care with dignity, respect and compassion.

Why we are different

We know that we matter to our patients. They trust us to give them personal attention, quality care and hope. As an independent tertiary care specialty practice, we strive to meet these goals and to achieve better patient outcomes close to home. We provide personalized care. Once management of your disorder is finalized, you will be assigned to one individual in the practice who will work with you during the course of your journey with us to work with your insurance company to get authorization,
educate you and provide supportive care as and when needed. We endeavor to provide holistic care.

Best Team for Best Care


Devashis A. Mitra, MD, DM(PhD)

Devashis A. Mitra, MD, DM(PhD) is a well established independent Rheumatologist in Western PA. He practices with the belief that the patient is the only important aspect of a medical practice and should be the primary focus for a physician. As a strong clinician, he cares deeply for his patients and strives to improve each and every one's quality of life. He is popularly known by his colleagues as the “thinking doctor.”


Ashley Morley,  PA-C

Ashley is a certified Physician Assistant. She earned her Masters Degree in Physician Assistant Studies from Gannon University in 2012. While at Gannon, she was a student member of Pennsylvania Society of Physician Assistants and the Gannon University Society of Physician Assistant Students. She was also a member of Phi Sigma Sigma sorority. She joined Mitra Arthritis and Osteoporosis Center in 2014. She is trained in joint, bursa, and trigger point injections. In her spare time, she enjoys spending time with her family

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