Dr. Brewley is a board-eligible, fellowship-trained orthopedic surgeon who specializes in treating complex diseases of the upper extremity. His expertise includes advanced shoulder and elbow arthroscopy as well as primary and revision joint replacement surgery of the upper extremity. He earned his medical doctorate from Howard University College of Medicine in Washington, DC, and completed his orthopedic residency at Albany Medical Center in New York, where he served as chief resident. He completed a highly coveted shoulder and elbow fellowship in Tampa, FL, with Drs. Mark Frankle and Mark Mighell at the Florida Orthopaedic Institute. Under their supervision, Dr. Brewley performed over 150 shoulder replacements and over 100 arthroscopic shoulder procedures. Upon graduation, he completed additional training in Japan under Hiroyuki Sugaya, MD, and Teruhisa Mihata, MD, PHD, to learn additional arthroscopic techniques, including superior capsular reconstruction for irreparable rotator cuff tears. Dr. Brewley’s research interests include age-related outcomes in shoulder arthroplasty, alternative treatments for post traumatic elbow arthritis, and biomechanics stability in revision shoulder arthroplasty. He is a fellow member of the American Shoulder and Elbow Surgeons and an editorial reviewer for the Journal of Shoulder and Elbow Surgery. In his leisure he enjoys reading, hiking, writing poetry, and cheering for the New York Yankees.
Osteoarthritis
Emily Stevens, FNP-BC
Emily Stevens, FNP-BC, is a board certified nurse practitioner specializing in Orthopedic Medicine. She works with physicians and other members of the orthopedic team to manage the care of patients affected by a broad range of musculoskeletal conditions, including sports-related injuries. A longtime Minot-area resident, Emily earned an Associate of Science in Nursing from Dakota College at Bottineau, where she received the “Excellence in Nursing” award and was selected for membership in the Phi Theta Kappa Honor Society. She received her Bachelor of Science in Nursing from Concordia University Wisconsin and completed her Master of Science in Nursing as a Family Nurse Practitioner through the University of Cincinnati. Emily’s clinical experience includes seven years working as an RN in Trinity Hospital’s Surgery Department. She and her husband, Ryan, have two daughters. They enjoy spending time together at her husband’s family ranch. She’s a member of the American Association of Nurse Practitioners and North Dakota Nurses Association.
Brent Knudson, DO
Dr. Knudson is an orthopedic surgeon who brings advanced expertise to the care of people with bone, joint, and muscle disorders. His areas of focus include joint replacement surgery of the knee, hip, and shoulder. He is also passionate about sports and taking care of sport-related injuries, as well as routine fracture care.
Originally from Mandan, he earned a bachelor’s degree in Biochemistry/Nutrition from the University of Minnesota, Twin Cities, and received his medical degree at Kansas City University of Medicine and Biosciences. His residency training was completed through Michigan State University at McLaren Oakland, known for its advanced orthopedic program. During his residency, Dr. Knudson trained in all aspects of orthopedic surgery, with special emphasis on joint replacement, direct anterior hip replacement, sports medicine, and trauma care.
His experience also includes five years as a flight surgeon with the US Air Force and Air Force National Guard, two and a half years of which were spent with the 5th Medical Group at Minot AFB. The remaining time was spent in Japan, Afghanistan, and Michigan.
Dr. Knudson and his wife, Kelly, have three children. Whether fishing or hunting, they enjoy spending their free time in the beautiful North Dakota outdoors.
Andrea Sebelius, AGPCNP-BC
A nurse practitioner specializing in Adult Geriatric Primary Care, Andrea works with physicians and other members of the orthopedic team to manage the care of patients affected by a broad range of musculoskeletal conditions, including sports related injuries. Originally from Leeds, ND, she earned her Bachelor of Science in Nursing from the University of Mary, Bismarck, and completed her Master of Science in Nursing as an Adult Geriatric Primary Care Nurse Practitioner through the University of Cincinnati. A member of the American Association of Nurse Practitioners, Andrea enjoys all outdoor sports as well as basketball, which she played both in high school and college.
Cody Pehrson, MD
Dr. Pehrson specializes in orthopedic surgery with a focus on complex trauma and hip reconstruction. His expertise includes anterior hip replacement, an innovative approach that can significantly reduce pain and downtime. He also does total shoulder replacement. Dr. Pehrson is fellowship trained in orthopedic trauma, with specialized expertise in pelvic and acetabular fracture care. He’s dedicated to helping patients regain mobility and return to the activities they enjoy. A magna-cum-laude graduate of Utah State University, he earned his medical doctorate from the Medical College of Wisconsin and received residency training in orthopedic surgery at UCSF Fresno, where he was voted Resident of the Year for the 2014-2015 academic year. Following residency, he completed his Orthopaedic Trauma Fellowship with Sonoran Orthopaedic Trauma Surgeons in Phoenix, AZ, where he provided orthopedic trauma care at the four Level I trauma centers in the Phoenix area and trained extensively in reconstructive and revision surgery of the hip, with an emphasis on utilizing the anterior approach. Dr. Pehrson and his wife Jocelyn have five children. They enjoy spending time outside, traveling, and trying new things. Dr. Pehrson is a member of the American Academy of Orthopaedic Surgeons and the Orthopaedic Trauma Association.
Dawn Mattern, MD
Dawn Mattern, MD, FAMSSM is board certified in Family Medicine and Sports Medicine and a Fellow in the American Medical Society for Sports Medicine. She sees active patients and competitive athletes from all over the region and oversees the Trinity Sports Medicine Athletic Trainers as they serve the extended community. She received her training first at the Center for Family Medicine in Minot and then completed a fellowship at the Ohio State University Sports Medicine Center. Upon graduation, she served as the Head Team Physician for the men’s hockey team at OSU. She returned to Minot in 2002, and has devoted her time to covering local sports teams, education of medical students, residents and MSU Athletic Training students, all while ensuring quality care and rehabilitation of her patients. She is also a volunteer team physician with the United States Olympic Committee, US Ski and Snowboard, and the Justin Boots Sports Medicine Team with the professional rodeo. Her clinical interests include concussions and exercise as medicine.
Alexandre Kindy, MD
Board certified in Orthopedic Medicine, Dr. Alexandre Kindy has been a member of Orthopedic Associates since 1997. A native of Montreal, Canada, he earned his medical degree from the University of Alberta in Edmonton, interned at St. Thomas Medical Center in Akron, Ohio and completed his residency at the University of Calgary where he served as Chief Resident.
Dr. Kindy offers a full-spectrum of non-operative orthopedic services and also serves as the care system’s Medical Director of Value Initiatives driving strategies to help improve patient access and the quality of care across the system.
Daniel Lee, DO, MMS
An orthopedic surgeon board certified and fellowship trained in sports medicine, Dr. Lee specializes in arthroscopic procedures of the shoulder, hip, and knee, including ACL reconstruction. His expertise includes rotator cuff and labral repairs of the shoulder, meniscus repairs, arthroscopic procedures of the hip, as well as arthroscopic surgery of the elbow and ankle. A graduate of New York College of Osteopathic Medicine, Dr. Lee received residency training in orthopedic surgery at New York Medical College and the University of South Florida and completed his post-residency fellowship in sports medicine at Aspen Sports Medicine Foundation in Colorado. He subsequently practiced at Indiana University Health in Bloomington and later at Lake Huron Medical Center in Michigan, serving as attending physician in general orthopedics and sports medicine. Throughout his medical career Dr. Lee has applied his expertise to serve college and high school athletes both on and off the field. He’s dedicated to treating individuals of all ages, getting them back to the activities they most enjoy. When he’s not serving patients, Dr. Lee enjoys spending time with his family as well as skiing, golfing, and other outdoor activities.
Erdal Diri, MD
A board certified rheumatologist, Dr. Erdal Diri provides expert treatment for the more than 100 types of arthritis and related disorders of the joints, muscles, bones and tendons. He’s also board certified in Internal Medicine. Originally from Turkey, he received his medical degree from Cerrahpasa Medical Faculty at the University of Istanbul. He did post-doctoral training in pharmacology there and moved to the United States to pursue his rheumatology specialty. He was a research fellow at Louisiana State University Medical Center in New Orleans and completed a clinical fellowship in Rheumatology at the University of Texas Southwestern Medical Center in Dallas. Dr. Diri has maintained an active involvement in clinical research studies aimed at advancing treatment therapies for rheumatic diseases, including rheumatoid arthritis, fibromyalgia and lupus.
Lisa Brandt, ACNP-BC
A board certified acute care nurse practitioner, Lisa Brandt, ACNP-BC, works in coordination with other members of our Rheumatology team to provide compassionate, attentive care to patients affected by the various forms of arthritis and rheumatic diseases. A Bismarck native, she earned her Bachelor of Science in Nursing from the University of North Dakota, Grand Forks, and practiced in the ICU and later General Surgery. She received her Master of Science as an Acute Care Nurse Practitioner from the University of Michigan, Ann Arbor. A member of the American Association of Nurse Practitioners and the American Association of Critical Care Nurses, Lisa and her husband, Jerel, have three children. They enjoy spending time with family, especially now that she and Jerel, a Minot native, have returned home to North Dakota.