Dr. Kozak specializes in digestive health and advanced endoscopic procedures. He earned his medical degree from the Chicago College of Osteopathic Medicine at Midwestern University and went on to complete both his residency and fellowship at Riverside Medical Center in Kankakee, Illinois.
His clinical expertise includes EGD, colonoscopy, capsule endoscopy, ERCP, and the treatment of liver disease. Dedicated to delivering comprehensive and patient-centered care, Dr. Kozak is committed to advancing the field of gastroenterology through both clinical excellence and compassionate service.
He is an active member of the American College of Gastroenterology and the American Society for Gastrointestinal Endoscopy, staying at the forefront of developments in his specialty.
Born and raised in the south suburbs of Chicago, Dr. Kozak values maintaining an active lifestyle and spending time with his family. Outside of his medical practice, he enjoys walking, working out, and playing tennis.
Dr. Scarlett Cao specializes in digestive health and advanced endoscopic procedures. She earned her medical degree from the University of Iowa Carver College of Medicine and completed her residency at the Mayo Clinic, followed by a fellowship at Vanderbilt University.
Her clinical expertise includes EGD, colonoscopy, esophageal manometry, capsule endoscopy, ERCP, EUS, sacral nerve stimulation, and the treatment of liver disease. Dedicated to providing comprehensive and patient-centered care, Dr. Cao is committed to advancing the field of gastroenterology through both clinical excellence and compassionate service.
Outside of her medical practice, Dr. Cao enjoys staying active through pickleball and tennis, exploring state parks through hiking, and experimenting with new recipes in the kitchen.
Jacob Grisham received his degree from the University of Southern Indiana, where he was born and raised.
He has his FNP certification.
When not working, Jacob enjoys spending time with his fiance, trying new restaurant,s and traveling. When they are not out of town, he enjoys reading (mostly fantasy and mystery books) or playing video games.
Alexandria Klueg was born and raised in the Tri-State area. She was born in Evansville and grew up in Mt. Vernon. She received her degree from the University of Southern Indiana and has her NDP certification.
When not working, Alexandria enjoys reading, traveling to new countries, and listening to true crime podcasts. She also enjoys getting out in nature and hiking.
Katlyn Langebrake was born in Owensboro, KY and raised in Tell City, IN. She received her degree from Chamberlian University College of Nursing and has her NFP certification.
When she isn’t working at DCC, she is raising her 2 sons and loves spending time outdoors, spending time with family, her plants, and shopping.
Melissa Nurrenbern was born and raised in Evansville, IN and graduated with her undergraduate degree from Purdue University and received her graduate degree from the University of Southern Indiana. She has her FNP certification.
When not working, Melissa enjoys spending time with friends and family, and attending craft shows/vendor fairs and cheering on the Purdue Boilermakers.
Abby Dossett, born and raised in Newburgh, Indiana, received her graduate degree from the University of Southern Indiana in 2020.
She is certified as an Acute Care Nurse Practitioner – Adult Gerontology.
When not practicing medicine, Abby can be found reading, being a part-time vegan, perfecting her skills as a sugar coffee connoisseur, and is an avid seasonal blader.
Dr. Boroda completed his Gastroenterology fellowship at Albert Einstein College of Medicine – Montefiore Medical Center in 2020. He is board certified in Gastroenterology by the American Board of Internal Medicine.
Dr. Boroda treats a wide range of gastroenterological and liver diseases. He performs several procedures including upper endoscopy, colonoscopy, capsule endoscopy, esophageal manometry, and ambulatory pH studies.
Dr. Boroda is a member of the American College of Gastroenterology.
Dr. Potteiger was born and raised in Chambersburg, PA and he received his graduate degree from Philadelphia College of Osteopathic Medicine in 1998, and has completed his internal medicine residency at Geisinger Medical Center. He was Chief Medical Resident for internal medicine at Geisinger Medical Center. Dr. Potteiger has completed his fellowship in gastroenterology and
nutrition at Geisinger Medical Center. He has been with Digestive Care Center since 2019.
He is certified by the American Board of Internal Medicine – Gastroenterology. In addition to providing consultative gastroenterology care, he specializes in EGD, and colonoscopy.
Dr. Potteiger is involved in many professional societies include: American College of Gastroenterology, American College of Physicians and American Society for Gastrointestinal Endoscopy.
When he isn’t practicing medicine, Dr. Potteiger can be found enjoying the outdoors, practicing archery, and staying fit.
