AOR Doctors
Armando Avolio Jr., MD
Dr. Avolio is a native of Aliquippa, PA and is board certified in
Orthopaedic surgery. He specializes in both surgical and nonsurgical
treatment options for most orthopaedic conditions. He
has extensive experience in joint replacement surgery and Sports
Medicine procedures including Arthroscopic surgery. He
completed his Orthopaedic residency at Hahnemann University in
Philadelphia, PA and is one of the original founding members of
Advanced Orthopaedics and Rehabilitation.
Undergraduate
Gannon University
Medical School
Baylor College of Medicine
Residency
Hahnemann University
Titles & Certifications
American Board of Orthopaedic Surgery (ABOS)
Hospital Affiliations
Advanced Surgical Hospital
Washington Health System – Washington Hospital
Washington Health System – Greene County Hospital
Organizations
Diplomate American Board of Orthopaedic Surgery
Fellow American Academy of Orthopaedic Surgeons
Pennsylvania Orthopaedic Society
Eastern Orthopedic Association
American College of Sports Medicine
American Medical Association
Gregory B. Christiansen, MD
Undergraduate
Pennsylvania State Unversity
Medical School
Jefferson Medical College
Residency
Medical College of Ohio
Board Certification
American Board of Orthopaedic Surgery (ABOS)
Hospital Affiliaions
Advanced Surgical Hospital
Washington Health System – Washington Hospital
St. Clair Hospital
Tri-State Surgery Center
Organizations
Fellow American Academy of Orthopaedic Surgery
American Board of Orthopaedic Surgeons
Pennsylvania Orthopaedic Society
John M. Gibbons, MD
Undergraduate
Harvard University
Medical School
College of Physicians & Surgeons, Columbia University
Residency
Columbia Presbyterian Medical Center
New York Orthopaedic Hospital
Fellowship
Knee Reconstruction & Sports Medicine Insall Scott Kelly Institute, New York
Board Certification
American Board of Orthopaedic Surgery (ABOS)
Hospital Affiliations
Advanced Surgical Hospital
Washington Health System – Washington Hospital
St. Clair Hospital
Organizations
American Academy of Orthopaedic Surgeons
Pennsylvania Orthopaedic Society
Pennsylvania Medical Society
Allegheny County Medical Society
Patrick T. McCulloch, MD
Undergraduate
University of Dayton
Medical School
West Virginia University
Residency
West Virginia University
Fellowship
UPMC Hand & Upper Extremity
Board Certification
American Board of Orthopaedic Surgery (ABOS)
Subspecialty Certificate in Surgery of the Hand
Hospital Affiliations
Advanced Surgical Hospital
UPMC
St. Clair Hospital
Organizations
American Society for Surgery of the Hand
American Association for Hand Surgery
DiplomateAmerican Academy of Orthopaedic Surgery
FellowAmerican Academy of Orthopaedic Surgery
Pennsylvania Orthopaedic Society
Pennsylvania Medical Society
Allegheny County Medical Society
American Medical Association
Vincent J. Ripepi, DO
Undergraduate
John Carroll University
Medical School
University of New England
Residency
SUMMA Health System/Akron City Hospital
Titles & Certifications
Board Certified by the American Osteopathic Board of Orthopedic Surgery (AOBOS)
Hospital Affiliations
Advanced Surgical Hospital
MonValley Hospital
St. Clair Hospital
Spartan Hospital
Organizations
American Academy of Orthopaedic Surgery
Pennsylvania Orthopaedic Society
Arthroscopy Association of North America
Michael J. Scheel, MD
Undergraduate
Pennsylvania State Unversity
Medical School
Unversity of Pittsburgh School of Medicine
Residency
West Virginia University Department of Orthopaedics
Board Certification
American Board of Orthopaedic Surgery (ABOS)
Hospital Affiliations
Advanced Surgical Hospital
St. Clair Hospital
Washington Health System – Washington Hospital
Washington Health System – Greene County Hospital
Tri-State Surgery Center
Organizations
Fellow American Academy of Orthopaedic Surgery
Pennsylvania Orthopaedic Society
Pennsylvania Medical Society
Allegheny County Medical Society
Veteran Operation Iraqi Freedom
Joseph P. Stracci, DO
Undergraduate
Washington & Jefferson College
Medical School
Philadelphia College of Osteopathic Medicine
Residency
Pinnacle Health System, Harrisburg
Titles & Certifications
American Osteopathic Board of Orthopaedic Surgery (AOBOS)
Hospital Affiliations
Advanced Surgical Hospital
Washington Health System – Washington Hospital
Washington Health System – Greene County Hospital
Tri-State Surgery Center
Organizations
American Osteopathic Association
American Osteopathic Academy of Orthopaedics
Pennsylvania Orthopaedic Society
Washington County Medical Society
Pennsylvania Medical Society
David M. Welker, MD
Undergraduate
Juniata College
Medical School
West Virginia University
Residency
West Virginia University
Titles & Certifications
American Board of Orthopaedic Surgery (ABOS)
Hospital Affiliations
Advanced Surgical Hospital
Washington Health System – Washington Hospital
St. Clair Hospital
Tri-State Surgery Center
Organizations
Fellow American Academy of Orthopaedic Surgeons
American Orthopaedic Foot & Ankle Society
Pennsylvania Orthopaedic Society
Sierra L. Mathos, PA-C
Undergraduate
Juniata College
Medical School
West Virginia University
Residency
West Virginia University
Titles & Certifications
American Board of Orthopaedic Surgery (ABOS)
Hospital Affiliations
Advanced Surgical Hospital
Washington Health System – Washington Hospital
St. Clair Hospital
Tri-State Surgery Center
Organizations
Fellow American Academy of Orthopaedic Surgeons
American Orthopaedic Foot & Ankle Society
Pennsylvania Orthopaedic Society
AOR Physician Assistants
Jaime Anderson, MPAS, PA‑C
Hometown
Washington, PA
Undergraduate
Bachelor of Science in Biology, Bob Jones University
Graduate School
M.P.A.S., Physician Assistant Program, Chatham College
Certification
Physician Assistant National Certification Examination
Organizations
American Academy of Physician Assistants
Pennsylvania Society of Physician Assistant
Kayla Hess, MPAS, PA‑C
Kristen L. Knerr, MPAS, PA‑C
Hometown
Washington, PA
Undergraduate
Bachelor of Science in Kinesiology, Pennsylvania State University
Graduate School
Masters in Science in Physician Assistant, Seton Hill University
Certification
Physician Assistant National Certification Examination
Organizations
Pennsylvania Society of Physician Assistants
American Academy of Physician Assistants