Our Board Certified Rheumatologists

“Advances in the diagnosis and management of rheumatic disease has lead to earlier detection and improved the possibility of remission for many of our patients. It is an exciting time to be a rheumatologist”.


Peter D. Nicholas, Jr. M.D. FACR

Dr. Nicholas is an AOA graduate of Temple University School of Medicine and completed IM residency at the RHMC. Dr. Nicholas completed his Rheumatology Fellowship at the TUFTS-New England Medical Center Hospitals in Boston and is Section Chief of Rheumatology at the RHMC.

He is also trained in UTS-guided arthrocentesis with clinical interest in all aspects of musculoskeletal care. He has provided arthritis associated care to the Berks County area for 25 years.

In his free time he enjoys biking, reading, family life and travel.


Dr. Michael Borofsky

Dr. Borofsky is a graduate of the University of Pittsburgh school of Medicine. He completed an Internal Medicine Residency at Thomas Jefferson University Hospital and Rheumatology Fellowship at The University of Pennsylvania.

Clinical interests include Rheumatoid Arthritis and developing comprehensive programs for physical therapy techniques in rheumatic diseases.

Outside of his Rheumatology practice Dr. Borofsky enjoys his family, travel & is an avid inline skater.


Dr. Robert Griffin

Dr. Griffin is a graduate of the New York College of Osteopathic Medicine and completed an Internal Medicine Residency at Albert Einstein Medical Center. Dr. Griffin completed his Rheumatology Fellowship at Thomas Jefferson Medical College.

Clinical interests include Rheumatoid Arthritis, Systemic Lupus and Osteoporosis.

Outside of Rheumatology, Dr. Griffin participates in medical missions in Haiti and Africa.


Dr. Nancy Walker

Dr. Walker completed medical school at McMaster University in Hamilton, Ontario, Canada. She completed her Internal Medicine Residency at Harvard and Brown Universities followed by Rheumatology Training at the University of Massachusetts. Dr. Walker has completed advanced training in Ultrasound for guided injections and diagnosis of soft tissue disorders.

Clinical interests include Psoriatic Arthritis and Osteoporosis.

Outside of rheumatology Dr. Walker enjoys spending time with her family, travel and running.


Dr. Saurin Mehta

Dr. Mehta is a graduate of Temple University School of Medicine. He completed his Internal Medicine Residency at Emory University in Atlanta, GA, followed by Rheumatology Fellowship at the University of Pennsylvania.

Clinical interests include Rheumatoid Arthritis, Osteoporosis, and Gout.

Outside of Rheumatology, Dr. Mehta enjoys fitness, travel and relaxing with his family.


Amy Keefe PA-C

Amy is our Physician Assistant.  She has a Bachelor’s of Science in Athletic Training from California University of Pennsylvania in 2004, and received her Master’s in Physician Assistant Sciences at St. Francis University in Loretto, PA in 2006.  Prior to joining AOC, Amy worked in Orthopaedic Surgery at the Sports Medicine Institute at OAA Orthopaedic Specialists in Allentown, PA. She comes to us with almost 8 years of Orthopaedic experience.

Clinical interests include treating patients with rheumatoid arthritis and osteoarthritis.

Outside of Rheumatology, Amy enjoys spending time with her family, photography and baking.


Susan Durkin DNP, CRNP, MHA

Susan Durkin is our Doctoral prepared Nurse Practitioner who completed both her Nurse Practitioner Program and Doctorate of Nursing Practice Program at Temple University in Philadelphia. She also completed a Master’s Program in Health Administration at St. Joseph’s University in Philadelphia. She is trained in Ultrasound for guided injections and is a certified Bone Clinical Densitometrist. Susan has over 35 years of health care experience, including 14 years of experience in Rheumatology and 9 years in Orthopaedics. Her clinical interests include all aspects of musculoskeletal disease and autoimmune conditions. Along with her colleagues, Susan tailor’s treatment using an integrated health care approach, driven by individualized needs and goals, as well as current rheumatologic standards of care. In her free time, Susan enjoys boating, gardening and spending time with family and friends.