Our Team

Dr. Jeffrey Sassmannshausen

Dr. Sass

Dr. Sassmannshausen is board-certified in Dermatology practicing medicine since July, 1993, after earning his medical degree at the Indiana University School of Medicine in Indianapolis, Indiana. His residency training included Internal Medicine at Indiana University Medical Center and Dermatology at Henry Ford Hospital in Detroit, Michigan.

Dr. Sassmannshausen is a Fort Wayne native. Growing up, he caddied at a golf course near his office. He now has patients that he once “looped” for and enjoys talking about those good ol’ days at The Ridge. While golf was a big part of his life as he grew up, even allowing him to attend college on an Evan’s Scholarship, he has little time to spend on the links. Time is spent with his wife and three children. The doctor has been taking guitar lessons for the last several years and could be mediocre if he only practiced a little. The guitar can be a wonderful stress reliever after a busy day in the office. In the summer, if not caring for the flowerbeds around the house, Dr. Sassmannshausen enjoys fishing and cooking.

Having been trained and board- certified as an Internist, Dr. Sassmannshausen is very confident in treating all skin disease. He not only thrives on treating the everyday wart and acne, but looks forward to the challenging cases which have run out of treatment options, need a diagnosis or require very sophisticated therapies.

Michelle Ferguson, PA-C

Michelle PA

Michelle is a native of Fort Wayne. She spent time in Minnesota growing up but returned here for high school at Snider, and college at IPFW and University of St. Francis. She worked as a surgical technologist at Lutheran Hospital for several years before returning to school. She graduated from the Physician Assistant Program at St. Francis in 2002. As a PA, she has worked in Occupational Medicine, Urgent Care, Psychiatry, and joined Three Rivers Dermatology in 2008 where she has developed her passion for helping people achieve and maintain healthy and beautiful skin.

Michelle is a mother of two wonderful daughters and loves watching them perform (theater, dance, etc.)! A few of her favorite things are Disney Movies, chocolate, many types of music and her latest journey to Africa for a photographic safari.

Loretta Sassmanshausen


Loretta is the Director of Operations and has been with Three Rivers Dermatology since opening in February of 2002.  She has a Bachelors Degree in Microbiology from Indiana University. After graduating from college, she spent 4 years doing laboratory research on herpes viruses.  For the next 10 years she worked in the clinical research division at Eli Lilly & Company coordinating worldwide human studies on medicines for HIV, Hepatitis B, and Osteoporosis.  Her final 2 years at Eli Lilly were spent as a medical writer.

She and Dr. Sassmannshausen have been married since 1991 and have 3 children.  In what little free time she has, she enjoys reading, yoga, golfing and scrapbooking.

 

Amanda Gilliom

Amanda has a bachelor’s degree in Hospitality and Tourism Management and has been with our team since June 2010. She coordinates our events, social media and marketing efforts. For fun she loves doing DIY crafts and projects as well as spending time with family and friends.

Michelle Fraser

Michelle has been with Three Rivers Dermatology since March of 2014 and is the Reception and Reservation Team Leader. She graduated from IPFW with a Bachelor’s Degree in Organization, Leadership, & Supervision (OLS) with a concentration in Health Services. Outside of work she enjoys going shopping, working out and spending time with her family, friends and puppy.

Peggy Bandor

Peggy has been part of the Reception & Reservation team at Three Rivers Dermatology & Windy Ridge Skin Care Centre since June of 2014. When not working, she enjoys spending time with her husband, son and their dog Bentley.

Chelsea Keeler

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Chelsea joined the team at Three Rivers Dermatology & Windy Ridge Skin Care Centre in April of 2016. She is always willing to go out of her way to help others and strives to do her best. In her spare time she enjoys traveling, scrapbooking, working out, biking and spending time with friends and family.

Bethany Kendig

Bethany is a graduate of Ivy Tech Community College with a certification in phlebotomy. She joined the team at Three Rivers Dermatology & Windy Ridge Skin Care Centre in June of 2008 and is currently one of the clinical team leaders. Outside of work, she enjoys gardening, traveling and spending time with her family. She especially enjoys spoiling her daughter.

Julia Lassen

Julia

Julia has been with us since 2004 and is the queen of multi-tasking! She is an upbeat person and loves living life to the fullest. She loves spending time with her husband and her little boy. Her hobbies include reading, watching movies, and hanging out with family and friends.

Carsen Sassmannshausen

Carsen has been part of the team at Three Rivers Dermatology & Windy Ridge Skin Care Centre since 2013. She started as part of the R&R team and moved to the clinical team in order to get experience for Physician Assistant School. She is attending IPFW to receive a Bachelor of Arts in Psychology and a Bachelor of Science in Biology and plans on attending PA school once she graduates. Outside of the office, she loves to read, ride bikes and spend time with family.

 

Sydney Lopshire

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Sydney is our Lead Aesthetician and has been part of the aesthetics team since June 2014. She received her aesthetics license from Rudae’s School of Beauty Culture in 2013. She loves working in the area of medical aesthetics because she gets to work closely with the patients. Helping guests/patients transform their skin and seeing real change is the most gratifying part of her job. Working alongside Dr. Sass and PA Michelle every day is a great honor and she is constantly learning something new from them & continuing her education. Outside of work she loves to spend time with her energetic son.

 

Kayla Stamets

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Kayla has been part of the team at Three Rivers Dermatology & Windy Ridge Skin Care Centre since October of 2015 and is a part of our Aesthetics team. She obtained her aesthetics license at the Aveda Fredric’s Institute and also has an Associate’s Degree in Women’s Studies with a concentration in Psychology from Purdue University. Outside of work, she enjoys traveling, watching movies, and playing with her French bulldog puppy.

 

 

LeAnn Castleman

LeAnn has been with Three Rivers Dermatology & Windy Ridge Skin Care Centre since 2002 and has over 30 years of experience in dermatology. She is the mother of three children and enjoys spending time with them and her grandchildren. She is active in her church and sings with the choir and praise team. She also enjoys traveling and riding bikes on the Rivergreenway.

Abbie Boyd

Shelly Nelson

Shelly is our Director of Guest Services and joined our team in June of 2010. She is always enthusiastic and does a great job at infusing fun in the office on a day to day basis. If you like the décor here at our office, you can thank Shelly. As a Professional Interior Designer she used her design talent in decorating Three Rivers Dermatology. Shelly has two children and in her spare time she enjoys socializing with family and friends.

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