About Our Doctors

About Our Doctors

Dr. Amy Chi

Dr. Amy (Adams) Chi earned her undergraduate degree from the University of Minnesota’s College of Biological Sciences and went on to Dental School at the University of Minnesota. After receiving her DDS Degree in 2008, Amy pursued an elective residency at the VA Medical Center in Minneapolis. At that time she was honored to serve Minnesota’s veterans and their dental needs.

Following residency Dr. Chi has been in private practice for over 15 years serving patients in the Twin Cities. She took over the practice from Dr. Derr and is continuing the tradition of exceptional dental care. She was nominated Top Dentist by Minnesota Monthly.


Dr. Chi enjoys all aspects of dentistry and treats patients of all ages and dental needs. She is committed to utilizing the latest dental techniques and materials. She participates in a variety of continuing education courses and is a member of the American Dental Association, the Minnesota Dental Association and The Minneapolis District Dental Society.

Amy and her husband Erick, an Edina native, live locally and are members of Shepherd of the Hills Lutheran Church. Amy and Erick enjoy spending time with their children Annie and Jack, being outdoors, traveling, and relaxing with family and friends.

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Dr. Emily Allen

We are pleased to have added Dr. Emily Allen to our team. She has been practicing family dentistry for a number of years, previously for a group practice in Saint Paul. We love having her in our private practice in Eden Prairie and appreciate her gentle touch and artistic skills that fit nicely in the practice.


Dr. Allen first studied bioproducts and biosystems engineering at the University of Minnesota- Twin Cities. After her undergraduate degree, she completed her doctor of dental surgery program at the University of Michigan. She loves transforming smiles and caring for long-term dental health of our patients.

Dr. Emily Allen grew up in Minnetonka and currently lives in the western suburbs with her husband Nate and their dog Asher.  In her spare time, she enjoys being outdoors and going for walks with the dog.

Dr. Steve Rzepecki - Dr. Chi & Dr. Derr Family Dentistry - Eden Prairie Dentist Minnesota

Dr. Steve Rzepecki

Dr. Steve Rzepecki joined our practice in 2020. He was in private practice for many years in Eden Prairie. He attended and was a part-time professor at the University of Minnesota.  Dr. Rzepecki is a member of the visiting faculty dentists with Spear Education where he mentors dentists in advanced restorative skills.  His extensive experience and friendly manner will put you at ease. Dr. Steve really enjoys smile makeovers (full mouth reconstructions) to restore function and beauty to his patients.

He, his wife Sheila, and son Patrick live in Edina.  He also likes woodworking, Twins games, and spending time with his family and 2 dogs (also part of the family.)

Dr. Derr selected into Mpls.:St. Paul Magazine Top Dentist Hall of Fame

Dr. Robert E. Derr-Retired

Dr. Derr retired June 2022, after 44 years of practice in Eden Prairie. He is missed dearly by his patients, but we are continuing his legacy of personalized care and comfortable dentistry.  He earned his dental degree from the University of Nebraska Medical Center College of Dentistry. He completed a General Practice Residency at the Minneapolis VA Medical Center in affiliation with Minneapolis Children’s Hospital and St. Paul Ramsey (Region’s) Hospital.

Dr. Derr served part-time over 20 years at the University of Minnesota School of Dentistry where he was promoted three times to the rank of Clinical Professor. He helped direct the General Practice Residency at the University of Minnesota Hospital Dental Clinic. Dr. Derr has been selected as a Top Dentist for numerous consecutive surveys of the Mpls/St. Paul and Minnesota Monthly Magazines. He provides volunteer dental service locally and internationally with various organizations

Dr. Derr will enjoy his retirement with his wife Karen, Portuguese water dog, and continue to be active in town and in Oregon with his family.