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Meet the providers at​

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Dr. Rick Tiller received his Bachelor’s degree in Physiology from Michigan State University, where he served as a student athletic trainer.  He went on to William Scholl College of Podiatric Medicine, graduating with honors.  Dr. Tiller trained at Oakwood Downriver Medical Center during his surgical residency. He is currently board certified in foot surgery through the American Board of Foot and Ankle Surgery.   Dr. Tiller serves at auxiliary clinical staff at Western Michigan University School of Medicine, and is also a consulting podiatrist for the WMU Sports Medicine Clinic.  He is a former consulting podiatrist at the Borgess Hyperbaric and Wound Clinic.  Dr. Tiller currently holds surgical staff privileges at Bronson Hospital, Ascension- Borgess Hospital as well the Endoscopy and Surgery Center at Woodbridge Hills.  He has been in private practice since 1991, serving the greater Kalamazoo area.  He is well known in the community for his excellence in patient care and surgical skills.

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Dr. Elizabeth Horton is a native of Michigan.  She received her Bachelor's degree from Siena Heights University, in Adrian, MI.  Dr. Horton graduated from Ohio College of Podiatric Medicine with honors. She completed a three year surgical residence at University Hospitals Medical Center in Richmond Heights, OH, as well as a surgical fellowship specializing  in reconstructive surgery and trauma.  She is board certified in foot surgery through the American Board of Foot and Ankle Surgery. Dr. Horton's special interests include sports medicine and surgery.  She and her husband enjoy spending time with their three children.  She also enjoys staying active with running and yoga. 

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Sikhanyiso Maphosa is a nurse practitioner and certified foot care specialist.  She received her Master’s degree in nursing from Walden University, her Bachelor’s degree in nursing from the University of Michigan, and her Associates degree from KVCC.  Khanyie has graduated with honors with her each of her degrees.  She received Wound Ostomy and Continence Certification through Emory University in Atlanta, and is a member of the Wound Ostomy and Continence Society (WOCN).  She is also a member of MICNP, the Michigan Council of Nurse Practitioners.  Khanyie has extensive experience in wound care, having previously served as a clinical nurse manager at the Borgess Hyperbaric and Wound Clinic.  She also has 7 years of experience working as a home health care nurse. 

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Andrew Robitaille, DPM


Dr. Andrew Robitaille was born and raised in Kalamazoo, MI. He received his bachelor’s degree at Hope College in Holland, MI. He graduated with honors from William M. Scholl College of Podiatric Medicine in North Chicago, Illinois. Dr. Robitaille completed a 3-year surgical residency at Beaumont Health in Wayne, MI specializing in forefoot and reconstructive rearfoot/ankle surgery. He is board qualified in both forefoot and rearfoot surgery by the American Board of Foot and Ankle Surgery. Dr. Robitaille and his family are excited to return to the Kalamazoo community.

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