Dr. Mohamed Guenena

Dr. Timothy Sullivan is a board certified ophthalmologist and glaucoma specialist serving patients in New Hampshire. He brings comprehensive expertise in both the medical and surgical management of eye conditions, with a particular focus on glaucoma care. Dr. Sullivan graduated magna cum laude from Dartmouth College and earned his medical degree from the University of Michigan Medical School. He completed his ophthalmology residency at New York Eye and Ear Infirmary and pursued advanced training through a glaucoma fellowship at Wills Eye Hospital in Philadelphia. Beyond his clinical practice, Dr. Sullivan is actively involved in clinical research, with his articles and findings published in various journals and presented at multiple ophthalmology meetings. He is dedicated to community service and volunteerism within his local communities and maintains memberships in several professional organizations.

Dr. Laura A. Gadzala is an ophthalmologist who focuses on conditions of the eyelids, orbit, and tear drainage system. She enjoys helping patients get back to daily life, and she prioritizes clear explanations so patients and families understand the diagnosis and the options for care. She also values collaboration, encouraging questions and working with patients' support networks when planning treatment. Her clinical interests include eyelid, orbit and tear duct surgery; evaluation and management of orbital tumors and eyelid skin cancer; thyroid eye disease; and specialized procedures such as corneal neurotization. She also uses Botox for appropriate conditions, including blepharospasm and hemifacial spasm. Dr. Gadzala completed medical school at the University of Michigan, ophthalmology residency at Oregon Health Sciences University, and an oculoplastic surgery fellowship at West Virginia University Hospital.

Dr. Purak Parikh is a board-certified ophthalmologist who specializes in cornea, external disease, and refractive surgery. He completed his medical school at Dartmouth/Geisel School of Medicine, where he was recognized with the Arnold P. Gold Humanism in Medicine award. He then completed his ophthalmology residency at the University of Pennsylvania/Scheie Eye Institute, earning the Resident Teaching Award. Dr. Parikh further advanced his expertise through a fellowship in cornea, anterior segment, and refractive surgery at the University of Michigan/Kellogg Eye Institute. In addition to his clinical practice, Dr. Parikh has served as President of the New Hampshire Society of Eye Physicians and Surgeons. He is actively involved in research and education, having authored book chapters and research manuscripts on corneal transplantation and cataract surgery. He frequently lectures and moderates sessions at national conferences on topics such as LASIK, PRK, cataract surgery, and keratoconus. Originally from New Jersey, Dr. Parikh was drawn to New Hampshire by the great outdoors. In his spare time, he enjoys woodworking, tennis, skiing, and hiking in the White Mountains with his wife, Caitlin, and their two children. He is proud to call New Hampshire home and looks forward to providing exceptional eye care to his patients.