My Sanford Chart allows you secure online access to your personal health information and your child's health information. It's available anywhere you have internet access. There is no cost to you and registering is quick and simple.

Sign Up for My Sanford Chart

Robert Van Demark Jr., MD  |  location phone (605) 328-2663

Accepting New Patients

Robert Van Demark Jr., MD - Orthopedic Surgery


Medical School
Tufts University School of Medicine (Boston, MA)
Orthopedic Surgery: Mayo Graduate School of Medicine (Rochester, MN)
Hand Surgery: Dr. Herbert H. Stark & Associates (Los Angeles, CA)
McKennan Hospital (Sioux Falls, SD)
American Board of Orthopaedic Surgery
American Board of Orthopedic Surgery: Hand Surgery

Areas of Expertise

Orthopedic Surgery
Hand Surgery
Carpal Tunnel
Cubital Tunnel
Dupuytren's Disease

Philosophy of Care

What makes orthopedics a gratifying speciality is we can help a patient with their orthopedic problem and have a direct impact on their quality of life.

Unique Medical Experience and Research

Dr. VanDemark is a member of the American Society for Surgery of the Hand and has a Certificate of Added Qualifications in Surgery of the Hand.

Academic Appointments:
Clinical Professor: Department of Anatomy
Sanford School of Medicine at The University of South Dakota (Vermillion, SD)

Section Head: Clinical Professor: Orthopaedics
Sanford School of Medicine at The University of South Dakota (Vermillion, SD)

Languages Spoken



Sanford Health Physician of the Year (2013)


Primary Practice Location

Sanford Orthopedics & Sports Medicine

1210 W 18th Street
Suite G01
Sioux Falls, SD  57104
Get Directions


M–F: 8:00 AM–5:00 PM



(605) 328-2663
(800) 367-0899


(605) 328-3737
Additional Practice Locations

Sanford USD Medical Center

1305 W 18th Street
Sioux Falls, SD  57117-5039
Get Directions


(605) 333-1000