Total Knee Replacement

Knee replacement is a surgical procedure in which a diseased or damaged joint is replaced with an artificial joint called a prosthesis, which is designed to move just like a healthy human joint.

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Total Hip Replacement

Hip replacement may provide the pain relief you long for and enable you to return to your favorite activities. Hip replacement may be considered when arthritis limits your everyday activities.

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Sports Medicine

Sports medicine focuses on the prevention and treatment of conditions and injuries associated with athletic training and competition.

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Mark A. Gardner, DO

Board-Certified Orthopedic Surgeon

Dr. Mark Gardner was born and raised in Ellwood City, Pennsylvania. In high school, he excelled in sports and academics. He was offered a scholarship to Duquesne University in Pittsburgh. At Duquesne, he played football for 4 years and earned a bachelor of health sciences degree in 2001. He gained admittance to Philadelphia College of Osteopathic Medicine (PCOM). In medical school, he focused on his studies graduating at the top of his class in 2005. He was also involved in the Christian Medical and Dental Association (CMDA) and intramural sports on campus.

After receiving his medical degree, Dr. Gardner completed a one year internship and four year orthopedic surgery residency program at Humility of Mary Health Partners in Warren, Ohio and Youngstown, Ohio. Upon completion of residency training, Dr. Gardner accepted a position with Parkside Orthopedics-UPMC. He has offices in Hermitage, Greenville, and New Castle. He has privileges at UPMC Horizon in Farrell and Greenville.

Dr. Gardner has a heart for medical missions. After Haiti’s devastating earthquake in 2010, Dr. Gardner partnered with a medical/surgical team from In His Image International. Dr. Gardner spent a week in Port-Au-Prince performing surgeries and ministering to earthquake victims. In 2011, Dr. Gardner joined a medical mission team in coordination with Hearts in Action. This mission provided medical and spiritual care to those in Peten Jungle, Guatemala. Most recently, Dr. Gardner traveled with a team back to a Haiti in 2012 to provide medical care through Missions to the World (MTW).

Dr. Gardner resides in Hermitage, Pennsylvania. He has a wife and three children. He enjoys spending time outdoors. His hobbies include fishing, boating, sports, and spending time with family and friends.


  • Undergraduate: Duquesne University, Pittsburgh, PA
  • Medical: Philadelphia College of Osteopathic Medicine, Philadelphia, PA


  • Internship: St. Joseph’s Hospital / Humility of Mary Health Partners, Warren, OH
  • Orthopedic Surgery Residency: St. Joseph’s Hospital, Warren, OH

Professional Affiliations

  • American Osteopathic Association
  • American Osteopathic Academy of Orthopedics
  • American Academy of Orthopaedic Surgeons
  • Christian Medical & Dental Associations

Hospital Affiliations

Make an Appointment (724) 962-9622
Dr. Mark A. Gardner

Mark A. Gardner, DO

Dr. Gardner specializes in the treatment of a variety of orthopedic conditions and performs several orthopedic procedures including:

  • Knee Replacement
  • Hip Replacement
  • Sports Medicine
  • Minimally Invasive Surgery
  • Shoulder Replacement
  • General Orthopedics
  • Hand & Upper Extremity Surgery
  • Trauma
Mark A. Gardner, DO