Angela M. Stupi, MD

Owner/Physician

Angela M. Stupi, MD is the owner of Advanced Rheumatology & Arthritis Wellness Center, an independent practice located in Cranberry Township, PA. She is board certified in rheumatology and internal medical and has been practicing rheumatology in Pittsburgh since 1982. Dr. Stupi received her undergraduate training at the Medical College of Pennsylvania with internships and residency programs at the Medical College of Pennsylvania and Fellowship training at the University of Pittsburgh School of Medicine.

She holds a Clinical Assistant of Medicine at Drexel University College of Medicine, a Fellow of the American College of Rheumatology, a member of the Medical Advisory Committee for the Lupus Foundations and on the Board of Directors for the Allegheny County Medical Society.

From 1990-2002 Dr. Stupi held the position of Chief of Rheumatology at St. Francis Medical Center in Pittsburgh, PA.

Dr. Stupi has been involved in over 50 pharmaceutical sponsored clinical trials and has been a national speaker in the treatments of Osteoporosis and Rheumatoid Arthritis.

Christine Matelan, CCRC

Head of Operations & Certified Research Coordinator

Christine Matelan is a certified research coordinator accredited by the Association of Clinical Research Professionals and a member of the National Organization of Rheumatology Managers. She received her associates degree in 1999 and has been involved as the lead study coordinator in over 100 clinical trials over the last 25 years. Her experience started in cardiology being involved in early studies with infusible medications for congestive heart failure as well as early studies of Lipitor for hyperlipidemia.

In 2006 she joined Dr. Angela Stupi and began performing trials on drugs including Actemra, Cimzia and Enbrel. She is IATA certified and holds a certification in Cititraining for research professionals. As a biologic coordinator, Christine has had the privilege of being a speaker for Eli Lilly and as a part of their clinical advisory panel, as well as a committee member for NORM (National Organization of Rheumatology Managers), Abbvie, and Novartis.

In addition to researching drugs for auto-immune diseases, Christine’s goal is to bring private practice rheumatology groups together and form an independent organization for better quality in our specialty.

Rachel Pastorek, PA-C

Physician Assistant

Rachel is a certified Physician Assistant who earned a Master’s Degree in Physician Assistant Studies from Duquesne University in 2016. While at Duquesne, she was an active member of the Physician Assistant Student Association as well as Alpha Phi International Women’s Fraternity. She joined Advanced Rheumatology in August 2016 shortly after graduation and is a member of the American College of Rheumatology. In her free time, she enjoys spending time with her husband and dogs as well as doing outdoor activities.

Nicole Haas, PA-C

Physician Assistant

Nicole is a certified Physician Assistant who earned her Master’s degree in Physician Assistant Studies from Alderson Broaddus University in 2012. She joined Advanced Rheumatology in 2018.  Prior to starting here she worked in pain management for 5 years. Nicole is also a member of the American College of Rheumatology. In her downtime she enjoys being with her husband and 3 children. Her family is active in their church community and volunteers to teach preschoolers on Sunday mornings.  She is a lover of all things Pittsburgh especially the Pittsburgh Penguins and is overall a major hockey enthusiast.

Caroline O'Neil, M. PA-C

Physician Assistant

Caroline O’Neil is a certified Physician Assistant who earned a Masters Degree in Physician Assistant Studies from Duquesne University in Pittsburgh, PA in May 2019. She joined the Advanced Rheumatology practice shortly after in November 2019. During her studies at Duquesne University, she earned awards for her Physician Assistant Master’s Project Droxidopa: Finding Relief for Neurogenic Orthostatic Hypotension for excellence in Pharmacology. She is a Pittsburgh native and in her free time, she enjoys listening to Irish folk music and keeping her Irish heritage alive, attending Pittsburgh sporting events, and spending time with family and friends. She is a member of the American Academy of Physician Assistants and trained in small nerve biopsies as well as joint injections.