Steven R. Mattson, M.D. is a board certified internist and pediatrician. A graduate of the University of North Dakota, he received his medical degree from Michigan State University and completed his residency at Mayo Graduate School of Medicine and the University of North Dakota Affiliated Hospitals. He has practiced in Minot since 1988. Mattson is a fellow of the American Academy of Pediatrics and the American College of Physicians.
Allison Lesmann, FNP-C
Allison Lesmann, DNP, APRN, PMHNP-BC, FNP-C, is a board-certified nurse practitioner specializing in children’s health. Born and reared in Minot, she received her nurse training in western North Dakota and practiced at Thomason Hospital, El Paso, TX and at Trinity Health before earning her master’s in advanced nursing practice. She completed her Doctorate in Nursing Practice from College of St. Scholastica, Duluth, MN, and later accomplished post-graduate certification in psychiatric mental health nursing from Washburn University to expand her mental health knowledge to more effectively care for her pediatric patients. Allison is a member of the American Academy of Nurse Practitioners, the North Dakota Nurse Practitioners Association, and the American Nurses Association. She also has certifications in ACLS, PALS, and basic life support. Allison has a husband and three sons, with outside interests in kids activities and reading.
Michael Holland, MD
A Minneapolis native, Dr. Holland provides care for healthy and sick newborns, children, adolescents and young adults. He graduated from the University of Minnesota School of Medicine and completed his pediatric residency at Mayo Clinic in Rochester. He’s board certified in Pediatrics.
Jennifer Hunter, MD, FAAD
Jennifer L. Hunter, M.D., is a board certified dermatologist – a physician who specializes in treating diseases of the skin, hair and nails. Dr. Hunter specializes in General Dermatology, Cosmetic Surgery and Dermatologic Surgery. A graduate of Duke University School of Medicine, she completed her Internship at Harvard Medical School’s Brigham & Women’s Hospital in Boston and completed her dermatology residency at the University of California, San Francisco, where she served as chief resident. She is a Fellow of the American Academy of Dermatology.
Frederick Jones, MD
Dr. Fredrick Jones is a board certified pediatrician and a Fellow of the American Academy of Pediatrics. With extensive experience caring for children of all ages, he is knowledgeable in all aspects of Pediatrics, including infections, injuries, disease and dysfunction, well-child checkups and immunizations. Dr. Jones is a native of Washington D.C., and received his medical degree from the University of Missouri, Kansas City School of Medicine. He completed his residency in pediatrics at Keesler AFB in Biloxi, MS, and practiced at U.S. air bases in Japan and Virginia. While at Langley AFB, he served as Chief of Pediatric Services, Chief of Maternal Child Flight, and Assistant Chief of Medical Staff.
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.
Katharyn Burgardt, FNP-C
A member of our Pediatrics Team, Katharyn Burgardt is a certified Family Nurse Practitioner. She earned her Bachelor of Science degree in Nursing from Southwestern College in Winfield, Kansas and received her master’s from the Family Nurse Practitioner program at the University of Kansas in Kansas City, Kansas.
She has more than 900 hours of clinical experience during her Family Nurse Practitioner Program. She also has more than nine years in the nursing field including serving as a Nursing Educator at Garden City Community College in Garden City, Kansas where she gave clinical instruction in areas including Obstetrics, Pediatrics, Medical and Surgical.
In addition to being a nursing educator, she has also served as a Pediatric Nurse at Saint Catherine Hospital in Garden City Kansas. Katharyn is a member of the American Academy of Nurse Practitioners. Katharyn and her husband have two daughters.
Ann Cadwalader, MD
A Minot native, Ann Cadwalader, M.D., went to medical school at Washington University School of Medicine, in St. Louis, Missouri. Dr. Cadwalader completed her internship and residency at John Hopkins Hospital. She is board certified in Pediatrics and is board eligible in Gastroenterology. Dr. Cadwalader has practiced Pediatric medicine at Medical Arts Clinic since 1989.
Thomas Carver, DO
A native of Great Falls, MT, Dr. Carver earned his medical degree from the University of Health Sciences College of Osteopathic Medicine, Kansas City, MO. He completed his residency at Fitzsimmons Army Medical Center, Aurora, CO, and his Fellowship at University of Colorado Health Science Center. He’s board certified in Pediatrics and Neonatal/Perinatal Medicine.