Robert S. Kramer, M.D.

Photo: Robert S. Kramer, M.D.
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A board-certified orthopedic surgeon with fellowship training in hip and knee replacement surgery, Dr. Robert Kramer has continued to add new orthopedic advances to his 25-plus years of experience through continued education and active membership in the American Association of Hip and Knee Surgeons and the American Academy of Orthopaedic Surgeons. Dr. Kramer specializes in diagnosing and caring for patients with the following needs:

  • Hip & Knee Joint Replacement Surgery
  • Outpatient Total Knee Joint Replacement Surgery
  • Injuries to Hips, Knees & Shoulders
  • Knee & Shoulder Arthroscopic Surgery
  • Treatment of Work-Related Injuries

Dr. Kramer has always provided compassionate care for his patients with great emphasis on their well-being and with a keen regard for the benefits of surgical versus nonsurgical solutions. Preoperative and postoperative visits as well as follow-up visits will always be handled personally by Dr. Kramer. If requested by the patient, Dr. Kramer will include the patients’ family in their care plan.

Dr. Kramer attended Harvard College and Washington University School of Medicine and completed his residency at the University of Minnesota. He received his fellowship training in hip and knee replacement at Johns Hopkins School of Medicine in Baltimore, Maryland.

Dr. Kramer is on the medical staff of Missouri Baptist Medical Center (Joint Center of Excellence), Des Peres Square Surgery Center, and St. Luke’s Des Peres Hospital. He also sees patients at the Missouri Baptist Medical Center Outpatient Center in Sunset Hills, Missouri (South Lindbergh Road).

Dr. Kramer began his practice in 1989 at Metropolitan Orthopedics, where he served as president until its merger with Orthopedic Associates in January 2017. He is a member of the American Academy of Orthopaedic Surgeons, American Association of Hip and Knee Surgeons, Missouri State Orthopaedic Association, Missouri State Medical Association, St. Louis Metropolitan Medical Society, and St. Louis Orthopaedic Society (past president).

Additionally, Dr. Kramer is an experienced workers’ compensation provider with specialty training in work-related conditions. He sees workers ‘compensation patients from both Missouri and Illinois. Dr. Kramer has extensive experience in doing independent medical examinations and medical-legal record reviews.

Through Castle Connolly, Dr. Kramer is proud to be voted Best Doctor by St. Louis Magazine in 2020, 2021, 2022, and 2023. He also holds a distinguished ranking among the top 7% of practicing physicians in the U.S. Castle Connolly curates one of the most recognizable databases of physicians in the United States. The selection process is entirely merit-based; physicians do not pay to be listed on Castle Connolly. They are nominated by peers, and the Top Doctors selection is based on criteria such as professional qualifications, education, hospital and faculty appointments, research leadership, professional reputation, and disciplinary history. St. Louis Magazine narrows down Castle Connolly’s list to practicing doctors in the St. Louis area and features this group of physicians in their August issue every year.

Dr. Kramer sees patients at our main Orthopedic Associates location in St. Louis and at our satellite location at Sunset Hills Healthcare in St. Louis, Missouri.


Missouri Baptist patient, Nina Spener, talks about her experience of knee joint replacement surgery at the Joint Replacement Center.

Education & Training

  • Bachelor of Arts in Biochemical Science: Harvard College, Cambridge, MA
  • Doctor of Medicine: Washington University School of Medicine, St. Louis, MO
  • General Surgery Internship: University of Minnesota Medical Center, Minneapolis, MN
  • Orthopedic Surgery Residency: University of Minnesota Affiliated Hospitals, Minneapolis, MN
  • Adult Hip and Knee Reconstructive Surgery Fellowship: Johns Hopkins School of Medicine, Baltimore, MD


  • Board Certification: American Board of Orthopaedic Surgery

Professional Associations

  • American Academy of Orthopaedic Surgeons
  • American Association of Hip and Knee Surgeons
  • Missouri State Medical Association
  • Missouri State Orthopaedic Association
  • St. Louis Medical Society
  • St. Louis Orthopaedic Society

Hospital Affiliations

  • Missouri Baptist Medical Center
  • Des Peres Square Surgery Center
  • St. Luke’s Des Peres Hospital

Awards & Recognitions

  • 2020 – Best Doctor: St. Louis Magazine
  • 2021 – Best Doctor: St. Louis Magazine
  • 2022 – Best Doctor: St. Louis Magazine
  • 2023 – Best Doctor: St. Louis Magazine