Dr. Linda Schumacher-Feero

Dr. Gregory G. Gensheimer is an ophthalmologist with MaineHealth, providing medical and surgical eye care focused on protecting long-term vision. He helps patients navigate everything from routine eye concerns to more complex changes in sight through careful exams, accurate diagnosis, and treatment plans tailored to each person’s daily needs. Dr. Gensheimer completed his ophthalmology residency at Wills Eye Hospital and earned his medical degree from the University of Rochester School of Medicine and Dentistry. He is board certified in ophthalmology. Within MaineHealth Ophthalmology, he evaluates and treats a wide range of eye conditions, including cataracts, glaucoma, infections and inflammation of the eye, and sudden or gradual changes in vision. He emphasizes prevention, early detection, and thoughtful follow-up so patients understand what to watch for and when to seek care.

Deborah I. Witkin, MD, is a comprehensive ophthalmologist at Eye Care of Maine in Waterville. She welcomes patients for full-spectrum medical and surgical eye care and is especially interested in small-incision cataract surgery, glaucoma, and the medical management of retina conditions such as diabetic retinopathy and age-related macular degeneration. Dr. Witkin earned her medical degree from Tufts University School of Medicine and completed ophthalmology residency through the Tufts program. She is board-certified by the American Board of Ophthalmology. Dr. Witkin offers individualized cataract surgery planning, including monofocal, toric, and multifocal intraocular lens options, and performs micro-invasive glaucoma surgery when appropriate. She partners closely with each patient to explain findings, set clear expectations, and design practical treatment plans that fit daily life. Outside the clinic, she enjoys outdoor activities throughout Maine with her family. Patients appreciate her warm, collaborative style and the convenience of receiving evaluation, treatment, and surgical care within Eye Care of Maine’s coordinated network.

Dr. Brooke E. Miller is a board-certified comprehensive ophthalmologist who provides a wide spectrum of eye care, from routine exams to the evaluation and management of eye emergencies. She focuses on making visits straightforward and informative, taking time to explain what is happening and what to do next—especially when symptoms are sudden or concerning. Dr. Miller received her medical degree from the University of Rochester School of Medicine, where she was elected to Alpha Omega Alpha and the Gold Humanism Honor Society. She completed her ophthalmology residency at the University of Rochester Medical Center and earned her undergraduate degree from Wesleyan University. Prior to joining Maine Eye, she served as an attending physician at Tufts New England Eye Center in Boston. Committed to education, she serves on a national committee with the American Academy of Ophthalmology and is an assistant clinical professor at Tufts University School of Medicine.