Andrew W. Mack, MD

Employed by Trinity Medical, WNY
Employed by Catholic Health
 Accepting New Patients


Orthopedic Surgery





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Dr. Mack is board certified in orthopaedic surgery and fellowship trained in both primary and revision total hip, total knee, and partial knee replacement. He is a graduate of the University of Pennsylvania School of Medicine and most recently served in the Department of Orthopaedic Surgery at Walter Reed National Military Medical Center in Bethesda, MD. Named the White House Medical Consultant for Joint Replacement Surgery in 2016, Dr. Mack was also recognized with the Master Clinician Award at Walter Reed. For meritorious combat service in the U.S. Army, Dr. Mack was also awarded the Bronze Star Medal. He is an Associate Professor at the Uniformed Services University of the Health Sciences. As a native of WNY, Dr. Mack is excited to return and care for the patients in the region.

He treats conditions including hip and knee pain, osteoarthritis, rheumatoid arthritis, inflammatory arthritis, avascular necrosis, and orthopaedic trauma. Treatments include minimally invasive direct anterior total hip replacement, both total and partial knee replacement, revision total hip and knee replacement, orthopaedic trauma and fracture care, and general orthopaedic surgical care.

Care Philosophy

Dr. Mack provides comprehensive and expert orthopaedic care for all patients, compassionately treating their musculoskeletal conditions. He aims to optimize patient health and function, promoting a healthy lifestyle and disease prevention, offering surgical treatment when necessary. His goal is to make a positive impact on his patients’ lives by improving function, eliminating pain, and improving quality of life. He is focused on forming lasting relationships with his patients and their families through a lifetime of musculoskeletal care.

Education & Training


New England Baptist Hospital

Adult Reconstructive Surgery Fellowship

Walter Reed National Military Medical Center

Orthopaedic Surgery Residency

University of Pennsylvania

Doctorate of Medicine

Certification / Memberships

  • American Board of Orthopaedic Surgery - Certified


Office Locations

Trinity Medical Orthopaedics

192 Park Club Ln Ste 100
Williamsville, NY 14221

Hospital Affiliations

St. Joseph Campus
2605 Harlem Road
Buffalo, NY 14225
Mercy Hospital of Buffalo
565 Abbott Road
Buffalo, NY 14220