Physicians Assistants


premier orthopedics

Kara Starkman Plaster, P.A. -C

As a physician assistant, Kara Starkman, P.A.-C helps provide effective and timely medical care. Under physician supervision she takes medical histories, examines patients, orders and interprets laboratory tests and imaging studies such as X-rays and MRIs, as well as diagnosing patients. She also prescribes medication, treats minor injuries, and assists in orthopedic surgeries.

Kara began a career as an orthopedic physician assistant because it allowed her to utilize her proficiency towards helping individuals return to function and activity. As a physician assistant her areas of concentration and specialization are the treatment of hip and knee conditions. She is trained in assisting with operative and nonoperative procedures of the hip and knee, including adult reconstruction, injections, and joint aspiration. Additionally her clinical duties include pre- and postoperative care.

Her medical philosophy is centered on striving to develop an interactive relationship with each patient. She believes in working together to restore patient’s health and get them back to doing what they love most. Being able to make a difference in her patient’s lives is truly a gratifying experience for Kara.

In addition to her clinical commitments, she has co-authored several publications and presentations about join replacements. When not seeing patients, she stays active through fitness training, hiking and cycling. Kara also enjoys golfing and boating.

Education, Training and Affiliations

  • Undergraduate Degree: Bachelor of Science in Kinesiology, University of Illinois at Urbana-Champaign
  • Graduate Degree: Master of Health Science, Physician Assistant Program, University of Oklahoma Health Sciences Center
  • Board-Certified, National Commission on Certification of Physician Assistants


Callen Ragsdale, PA-C

Callen Ragsdale, PA-C started her career as a physician assistant at Premier Orthopedic Specialists of Tulsa upon graduating from Harding University’s Physician Assistant Program. She attended Harding University in Arkansas on a collegiate tennis scholarship where she earned her Bachelor degree, followed by her Master of Science degree in Physician Assistant Studies. Although Little Rock was home for a few years, Callie is a Tulsa native and moved back to Oklahoma to be near family.

 Callie enjoys working as an orthopedic physician assistant because she is able to help patients return to mobility and health. It is very rewarding for her to see patients improve every day. Her role includes taking history and physicals, patient education, lab and imaging interpretation, joint injections and aspirations, prescribing medications, and assisting in adult hip and knee reconstructive surgeries. She is also trained in the evaluation and treatment of patients, pre and post-operatively, as well as recognizing when patients need to be seen by an additional specialist.

 She is a member of the Oklahoma Academy of Physician Assistants and is nationally certified by the NCCPA. Callie is married and has a 1-year-old son. She loves spending time with family, traveling, playing tennis, and is active in her church.

 Education, Training and Affiliations:

  • Undergraduate Degree: Bachelor of Business Administration, Harding University
  • Graduate Degree: Master of Science in Physician Assistant Studies, Harding University Physician Assistant Program
  • Board-Certified: National Commission on Certification of Physician Assistants