About Us

Medical Spa & Weight Loss Clinic

Advanced Aesthetics is an outreach service of Sidney Health Center that offers medical procedures that are aimed at improving your health and well-being. The full-service medical spa and weight loss clinic is conveniently located in the heart of the MonDak region between Sidney, MT and Williston, ND. Dr. Shari Twigg, who is Board Certified in Aesthetic Medicine performs all the medical procedures using non-invasive to minimally invasive cosmetic procedures or medically supervised weight loss programs that are customized to your individual goals and satisfaction. 

About Shari Twigg, M.D. 

Dr. Shari Twigg originally started her career years ago in the aesthetic skincare field, working in a world renowned spa and making a name for herself as an award-winning makeup artist. 

After going on to become a physician and working in obstetrics and gynecology for several years, she is now combining her medical expertise with her passion for aesthetics. She is Board Certified in Aesthetic Medicine and joined the American Academy of Aesthetic Medicine. All procedures that are offered at Sidney Health Center’s Advanced Aesthetics are performed by Dr. Twigg. 

To schedule a consultation, please call the office at 406-742-5256.

Read more about Dr. Twigg.


Member of:

  • American Academy of Aesthetic Medicine
  • Obesity Medicine Association
  • Aesthetic Multispecialty Society
  • American College of Obstetrics and Gynecology
  • American Medical Association
  • Montana Medical Association
  • Alpha Omega Alpha Honor Medical Society
  • West Virginia University School of Medicine Alumni Association
  • Golden Key National Honor Society
Obesity Medicine Association - Proud Member - Clinical Leaders in Obesity Medicine