On average, patients gave Dr. Markmann a rating of 3.5 stars out of 5. His areas of expertise include knee problems, arthroscopic surgery, and replacement arthroplasty (joint replacement). He is in-network for United Healthcare Platinum, United Healthcare Navigate, Coventry, and more. He obtained his medical school training at Temple University School of Medicine and performed his residency at a hospital affiliated with Thomas Jefferson University. Dr. Markmann's hospital/clinic affiliations include Holy Redeemer Health System and Jeanes Hospital.