Dr. Katherine E. Brown provides vascular surgery care at the Cass Health Specialty Clinic. She cares for patients with a variety of vascular conditions, including circulation issues and limb concerns, and is focused on helping people feel better and stay active. Dr. Brown was inspired to go into medicine at a young age and chose vascular surgery because she enjoys solving complex problems and making a real difference for her patients. She completed her medical degree at Kansas City University in 2001, her residency at the University of Illinois Hospital in 2006, and her vascular surgery fellowship at Northwestern University Feinberg School of Medicine in 2008. Dr. Brown is board certified in general surgery and takes a team-based, personalized approach to care.

Dr. Amy Bingaman provides gynecological and women’s health care to patients at Atlantic Medical Center. Dr. Bingaman has been in practice since 2006.

She graduated from Drake University and earned her Doctor of Medicine from the University of Iowa. Dr. Bingaman is a proud United States Navy veteran, having served 8.5 years on active duty. She completed her OB/GYN internship and residency at the Naval Medical Center Portsmouth in Virginia. She is board-certified by the American Board of Obstetrics & Gynecology. She is a Menopause Society Certified Practitioner, and a member of both the American College of Obstetricians and Gynecologists and the Iowa Medical Society.

Her clinical areas of focus include adolescent gynecology, perimenopausal and menopausal care, and LGBTQ+ health. Dr. Bingaman will see patients in the clinic and perform surgeries at Cass Health as well.

Greg Keller, D.O., is a board-certified psychiatrist who provides care to patients in the Atlantic Medical Center. Originally from Cedar Rapids, Iowa, Dr. Keller completed his undergraduate studies at the University of Montana, earning a bachelor’s degree in Cellular Molecular Biology.  He received his Doctor of Osteopathic Medicine degree from the University of Health Sciences College of Osteopathic Medicine in Kansas City. Dr. Keller then completed his general adult psychiatry residency through the Creighton University and University of Nebraska combined training program, where he earned multiple awards, including Resident of the Year.

Dr. Keller is board-certified by the American Board of Psychiatry and Neurology.

Gentri Meier is a Licensed Mental Health Counselor. She grew up in Greenfield and earned an undergraduate degree from Wartburg College, followed by a master’s degree from Drake University. Gentri has experience in forensic community treatment, care coordination across southern Iowa, and school-based therapy in multiple districts. Most recently, she worked with the Atlantic Community School District, primarily supporting elementary students.

Gentri is passionate about providing mental health services in rural southwest Iowa and utilizes evidence-based approaches including cognitive behavioral therapy (CBT), mindfulness, and creative modalities such as music, play, and art. She also has training in EMDR and sand tray therapy.

Laurie Ayers, ARNP provides Nephrology care to patients in the Cass Health Specialty Clinic. She is affiliated Advanced Kidney Care in Council Bluffs.

Laurie earned her Family Nurse Practitioner degree from the University of Cincinnati in 2023 after completing her Bachelor of Science in Nursing at Briar Cliff University. She is passionate about educating and empowering patients, building strong relationships, and partnering with individuals to help them achieve their personal health goals.

Dr. Charles Rosipal provides orthopedic care to patients in the Cass Health Surgery Clinic. He is affiliated with MD West One. Dr. Rosipal helps patients with both acute and chronic shoulder and elbow disorders. His clinical interests include rotator cuff repair, shoulder instability, and both traditional and reverse shoulder replacement procedures.

Dr. Rosipal completed a fellowship in shoulder and elbow surgery at the University of Texas Health Science Center at San Antonio. He completed his orthopedic residency through the combined Creighton University and University of Nebraska Medical Center program and earned his medical degree from the University of Texas Health Science Center at Houston. Dr. Rosipal is board certified by the American Board of Orthopedic Surgery.

Dr. Kimberly Turman provides orthopedic care to patients in the Cass Health Surgery Clinic. She is affiliated with MD West One. Her clinical interests include ACL and multi-ligament knee reconstructions as well as labral repairs of the hip and shoulder.

Dr. Turman earned her medical degree from the University of Nebraska Medical Center and completed her orthopedic surgery residency through the Creighton and University of Nebraska Medical Center program in Omaha. She completed fellowship training in orthopedic sports medicine at the University of Virginia, where she also served as an associate team physician for the University of Virginia and James Madison University athletic programs. Dr. Turman is board certified in orthopedic surgery with a subspecialty certification in orthopedic sports medicine.

Dr. Todd Sekundiak provides orthopedic care to patients in the Cass Health Surgery Clinic. He is affiliated with MD West ONE. Dr. Sekundiak is a nationally recognized orthopedic surgeon, specializing in hips and knees. He has over 20 years of experience training surgeons in advanced joint replacement techniques. He is the only surgeon in Iowa who performs the Jiffy Knee surgery.

He earned his medical degree from the University of Manitoba and completed orthopedic surgery residencies at the University of British Columbia and the University of Manitoba. He completed fellowship training in joint replacement at the Arizona Centre for Joint Replacement and at Rush-Presbyterian St. Luke’s and Central DuPage Hospitals. Dr. Sekundiak is board certified by both the American Board of Orthopedic Surgery and the Royal College of Physicians and Surgeons.

As a hospitalist, Ashley Barajas provides care for patients during their hospital stay while coordinating and communicating with each patient’s primary care physician. Ashley earned her Bachelor of Science in Nursing in December 2014, her Master of Science in Nursing in December 2018, and her Post-Master’s Certificate in Adult-Gerontology Acute Care Nurse Practitioner in June 2021, all from Clarkson College.