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Our Doctors2019-11-07T18:45:53+00:00

The Nielsen Advantage: The Doctor, The Technology, and The Service You Deserve

Steven Nielsen, M.D.

Dr. Steven A. Nielsen has performed more than 25,000 successful refractive (LASIK) procedures. Dr. Nielsen maintains the highest standards for both himself and his staff members and is dedicated to providing his patients with the best visual outcomes possible.

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Helen Moreira, M.D.

Dr. Helen Moreira is committed to providing a holistic approach to eye care. Each patient receives a customized treatment plan based on their lifestyle and visual needs. She is a skilled surgeon who has already performed thousands of successful LASIK and refractive cataract surgeries.

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Namrata Nandakumar, M.D.

Dr. Namrata Nandakumar is a Board Certified Ophthalmologist with expertise in vitreo-retinal surgery. Dr. Nandakumar is dedicated to the highest standards of patient care to provide the best possible visual outcomes, preserving the gift of sight.

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Lawrence Rand, M.D.

Dr. Rand  is a Board Certified Ophthalmologist with expertise in diabetic eye care and medical retinal diseases.

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George Violin, M.D., FACS

Dr. Violin specializes in cataract, LASIK, and other refractive vision correction procedures.

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John J. Weiter, M.D., Ph.D.

Dr. John J. Weiter is a Board Certified Ophthalmologist with expertise in vitreo-retinal surgery and ophthalmic pathology.

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Xiang Q. Werdich, M.D., Ph.D.

Dr. Xiang Q. Werdich is a medical retina specialist and comprehensive ophthalmologist at the Nielsen Eye Center. She provides comprehensive eye care with expertise in retinal diseases such as diabetic retinopathy, macular degeneration, retinal inflammatory diseases and inherited retinal degenerations.

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Robert Condon, O.D.

Dr. Condon specializes in primary eye care, pre and post-refractive care, and custom contact lens fitting.

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Rodney L. Immerman, O.D., FAAO

Dr. Rodney Immerman is a certified Optometrist and has been practicing exclusively low vision since 1982. He has spent the last 34 years designing low vision devices for reading, distance, occupational and recreational tasks. He also designs low vision glasses for driving and computer use and prescribes electronic magnification devices for reading.

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Lily Ng, O.D.

Dr. Lily Ng is an optometrist dedicated not only to the patient’s ocular health but also to their visual needs. She also believes patient education is essential for proper management of the patient’s eye condition. Dr. Ng specializes in corneal disease and contact lens fittings for a variety of needs including: astigmatism, multifocals, post-trauma, post-surgical, and corneal ectasias.

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Yen-Linh Nguyen, O.D.

Dr. Nguyen is a certified optometrist at the Nielsen Eye Center, focused on ocular health and identifying the visual needs of her patients. Some of Dr. Nguyen’s specialties include contact lens fittings for a range of ocular conditions, as well as corneal diseases. Dr. Nguyen is a member of the Massachusetts Society of Optometrists, the American Optometric Association, and the American Academy of Optometry.

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Katelyn Xeuling Song, O.D.

Dr. Katelyn Song specializes in primary eye care, contact lens fitting, pediatric optometry, ocular diseases management and treatment.

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H. David Tabaie, O.D.

Dr. Tabaie is a graduate of National University of Iran School of Medicine 1977 and a 1988 graduate of New England College of Optometry, Boston, MA.

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