Dr. David Portney

Ophthalmology

Bloomfield Hills, MI

Dr. David Portney is a comprehensive ophthalmologist at Grosinger, Spigelman & Grey who specializes in cataract and refractive surgery along with the medical management of diabetic eye disease and glaucoma. Trained from undergraduate through medical school, internship, and residency at the University of Michigan—including ophthalmology residency at the Kellogg Eye Center—he brings a consistent standard of excellence and a thoughtful, patient-first approach. In the clinic and surgery center, Dr. Portney focuses on clear communication and shared decision-making. He offers modern cataract surgery with advanced lens options, evaluates candidacy for laser vision correction, and guides patients with chronic conditions such as diabetes and glaucoma using current, evidence-based care. Patients appreciate his attentive manner, practical explanations, and commitment to seamless experiences before, during, and after treatment. His goal is to ensure every visit ends with clarity and confidence about the next steps.

Dr. Matthew Pieters

Ophthalmology

Lincoln Park, MI

Dr. Matthew Pieters is a board-certified ophthalmologist at Fraser Eye Care Center who specializes in anterior segment and cataract surgery. He provides patient-centered, evidence-based care, helping people understand their options and choose personalized treatment plans that fit their visual goals and lifestyle. In addition to surgical care, he offers comprehensive ophthalmology services and partners closely with the care team to ensure a smooth experience before and after surgery. Dr. Pieters graduated summa cum laude from Washington University in St. Louis and earned his medical degree at Emory University School of Medicine. He completed an ophthalmology residency at the renowned Wills Eye Hospital and an internship at St. Francis Hospital. Originally from the Chicago suburbs, he is proud to serve patients across metro Detroit with clear communication, attention to detail, and a calm, supportive bedside manner.

Dr. Pauline Dmitriev

Ophthalmology

Ann Arbor, MI

Dr. Pauline Dmitriev is a cornea, external disease, and refractive surgeon at the University of Michigan Kellogg Eye Center. She evaluates and treats cataracts and a broad range of corneal and ocular-surface disorders, and offers surgical and non-surgical options tailored to each patient’s needs. Her goal is to combine advanced techniques with thoughtful counseling so patients understand their choices and feel confident in their care plan. Dr. Dmitriev earned her medical degree from Duke University School of Medicine, completed ophthalmology residency at Wills Eye Hospital in Philadelphia, and advanced fellowship training in cornea, external disease, and refractive surgery at Michigan Medicine. She is involved in research on corneal transplantation, eye banking, and global ophthalmology, and is dedicated to teaching and collaborative, evidence-based care.