Williston Specialty Clinic

20/20 Professional Center 1500 14th St. West, Suite 300, Williston, ND 58801

CHI St. Alexius Health Williston Specialty Clinic offers several specialty services under one roof.  Our providers consists of doctors, physician assistants and nurse practitioners.  They work closely with nurses, support staff, and one another to offer you the best care, in the most seamless way possible.

Contact Information
Medical Staff
  • Roxanne R Keene, MD
  • Leah Wiedrich, PA

No matter what kind of pain you’re living with, our team of orthopedic specialists can help you get back to the things you enjoy.


Shoulder Pain

As the third leading cause of orthopedic disability, shoulder pain can be debilitating. It doesn’t have to be. We provide excellent physical therapy in conjunction with medications to alleviate pain

Knee & Hip Pain

Through a highly personalized program of pre- and post-operative education, specialized treatment, and active therapy, we’re getting knee and hip patients back to enjoying their normal lifestyles.

Joint Pain
Whether it’s chronic arthritis or the aggravation of tendonitis, no one should have to live with joint pain. Our specialists can show you a variety of options that can relieve or end your everyday pain

Orthopedic services include:
  • Partial and total joint replacement surgery
  • Arthroscopic surgery
  • Fracture care
  • Orthopedic trauma
  • Hand and wrist conditions including carpal tunnel syndrome
  • Sports injuries
  • Work injuries
  • Arthritis
  • Occupational therapy and physical therapy
Contact Information
Medical Staff
  • Lisa M Peterson, PA - C
  • Theresa Hegge , MD

Dr. Hegge offers appearance enhancing procedures such as body contouring (including liposuction, tummy tucks, and breast and thigh lifts), breast augmentation, nose reshaping, eyelid surgery and face-lifts. She also offer many types of preventative skin care including Botox, facials and skin care products, plus laser therapies and treatment of dermatological conditions. Dr. Hegge treats issues including skin cancer, hand injuries, facial fractures, burns, frostbite, and cleft lip and palate, and provide breast reconstruction after cancer surgery and wound care.

Contact Information
Medical Staff
  • Tessa Marburger , MD

Neurologists specialize in the treatment of various aspects of the nervous system (central, peripheral and autonomic) plus the neuromuscular junction and muscles and their disorders. The neurologists work closely with their colleagues in neurosurgery, spine surgery and physical medicine as well as healthcare providers from other departments and other clinics and hospitals to provide superior care to patients.

Contact Information
Medical Staff
  • Anson S Li, MD, PhD
  • Ashley Lemere, MD
  • Wayne L Anderson, MD, FACS

The Surgery Team at CHI St. Alexius Health Williston is comprised of first-rate surgeons, anesthesiologists, CRNAs, specially trained nurses, technicians and support staff. They work together to care for patients' surgical needs and minimize recovery time. Our operating rooms utilize state-of-the-art equipment and technology.

As part of the Level IV Trauma team, we are available 24 hours a day, 7 days a week for surgical procedures.