1000 N. Broad Street, Suite 2, Lansdale PA 19446
Tel: 215-412-9115
Montgomery Surgery Center
Ophthalmology Services
Cataract, Glaucoma, and Oculoplastics Surgery
At Montgomery Surgery Center, our experienced ophthalmology team is dedicated to providing the best care using state-of-the-art technology and techniques to provide optimal eyecare for every patient. We specialize in treating a wide range of eye conditions, including cataracts and glaucoma.
Our physician-owners have a conveniently located office right next door to the surgery center. Ophthalmic Associates can be reached at (215) 368-1646 to schedule an appointment, or you can visit them on their website by clicking on the link below.
Our Physicians
The physicians from Ophthalmic Associates, in keeping with the principles set forth by the American Medical Association and the American Academy of Ophthalmology, pledge to provide optimal eyecare for every patient. Our surgeons utilize state-of-the-art technology with corresponding excellence in support services. We are committed to helping our patients see as well as possible by maintaining the highest degree of excellence in ophthalmic care.
Dr. Thomas Coats
Thomas D. Coats, M.D. has been a resident of Montgomery County for more than forty years. He graduated from Abington High School and Lafayette College. He worked briefly as an engineer before returning to medical school at Jefferson Medical College. After medical school, he took his internship at Abington Memorial Hospital and an ophthalmology residency at Wills Eye Hospital.
Dr. Coats is board-certified in ophthalmology. He is currently on staff at Wills Eye Hospital, Abington Memorial Hospital, Montgomery Surgery Center and Lansdale Hospital. He is a member of the American Academy of Ophthalmology, American Society of Cataract and Refractive Surgeons, the Pennsylvania Medical Society, and the Montgomery County Medical Society. His interests are in cataract surgery and contact lenses.
Dr. Thomas O'Connor
Thomas J. O’Connor, M.D. is a graduate of Boston College. He completed his medical training at Tufts University School of Medicine, and his ophthalmology residency training at Eye and Ear Hospital at the University of Pittsburgh. He is board-certified by the American Board of Ophthalmology and is a member of the American Academy of Ophthalmology, the American Society of Cataract and Refractive Surgery, and is a Fellow of the American College of Surgeons.
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Dr. O’Connor is on the medical staff of Montgomery Surgery Center, Lansdale Hospital, and Wills Eye Hospital, where he is an associate surgeon. His special interests include cataract and intraocular lens surgery, refractive surgery including LASIK and PRK, and anterior segment – “front of the eye.” He performs medical and surgical care of glaucoma, diabetic retinopathy and eyelid disease.
Dr. Geoffrey Schwartz
Geoffrey P. Schwartz, M.D. is a graduate of Bowdoin College, Columbia University, and Jefferson Medical College. He completed his internship at Saint Vincent’s Hospital in New York City, his residency in Ophthalmology at Wills Eye Hospital in Philadelphia, and his glaucoma fellowship at Bascom Palmer Eye Institute in Miami, Florida. He is board-certified by the American Board of Ophthalmology. He has published several book chapters on glaucoma, as well as multiple articles on Ophthalmology in peer-reviewed Journals.
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Dr. Schwartz is a member of the American Board of Ophthalmology, the Alpha Omega Alpha Honor Medical Society, the American Medical Association, and the Pennsylvania Academy of Ophthalmology. He is on the medical staff of the Montgomery Surgery Center, Lansdale Hospital, and the Glaucoma Service at Wills Eye Hospital where he teaches residents and medical students. His special areas of interest are in the medical, laser, and surgical treatment of glaucoma.
Dr. Melissa Sieber
Melissa R. Sieber, MD is a graduate of Gettysburg College where she majored in physics with special interest in the medical applications of lasers. She graduated magna cum laude with membership in Phi Beta Kappa along with multiple other honor societies. Dr. Sieber obtained her MD at the University of Maryland School of Medicine in Baltimore, Maryland. She spent her intern year at Medstar Harbor Hospital where she was awarded "Intern of the Year." She completed her ophthalmology residency at Wills Eye Hospital in Philadelphia, PA where she was elected chief resident in her final year.
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Dr. Sieber is a comprehensive ophthalmologist with specialty in refractive and cataract surgery. She also performs microinvasive glaucoma surgeries in addition to Botox and other cosmetic procedures. Her specific interests are with advanced intraocular lenses, such as those that correct for both near and far vision in addition to those that correct for astigmatism.
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Dr. Sieber continues to be a member of the Cataract and Primary Eye Care Service at Wills Eye Hospital and serves on faculty at Abington Lansdale Hospital and Thomas Jefferson University Hospital. She is a member of the American Academy of Ophthalmology, Pennsylvania Academy of Ophthalmology, American Society of Cataract and Refractive Surgery, and the American Medical Association.
Dr. Thaddeus Nowinski
Thaddeus Nowinski, MD is a graduate of the University of Scranton and Jefferson Medical College at Thomas Jefferson University. He did an internship at Pennsylvania Hospital, his residency at Wills Eye Hospital, and a Fellowship at University of Utah School of Medicine. Dr. Nowinski is certified by the American Board of Ophthalmology and the American Society of Ophthalmic Plastic and Reconstructive Surgery, and is a fellow of the American College of Surgeons.
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Dr. Nowinski focuses primarily on oculoplastics, eyelid malpositions and tumors, and tearing disorders. He is a member of the American Academy of Ophthalmology and the Pennsylvania Academy of Ophthalmology. He lectures and has authored many articles and book chapters in oculoplastics.
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