Meet Our Providers

Andrea Zimmerman, OD, FAAO

Dr. Andrea Zimmerman, Low Vision Specialist with Lighthouse Guild, obtained a BA in Biology from New York University, graduating Magna Cum Laude with Phi Beta Kappa distinction. She received her Doctor of Optometry degree from SUNY College of Optometry and completed further educational training at Lighthouse Guild for treatment of individuals with Low Vision. Dr. Zimmerman is a fellow of the American Academy of Optometry and an Adjunct Assistant Clinical Professor to SUNY College of Optometry. Dr. Zimmerman is also published in professional journals for work in Low Vision Optometry.

Laura Sperazza, OD, FAAO

Dr. Laura C. Sperazza is the Director of Vision Rehabilitation Services at Lighthouse Guild. She has practiced low vision for 24 years at Lighthouse Guild. Dr. Sperazza is also experienced in pediatric low vision care. She graduated from SUNY College of Optometry in 1992 and completed a residency in geriatric optometry, ocular disease and low vision at Coler Memorial Hospital in New York. Dr. Sperazza is a member of the Beta, Sigma, Kappa Honor Society, the American Optometric Association and the New York State Optometric Association.

Bruce P. Rosenthal, OD, FAAO

Dr. Bruce Rosenthal is the Chief of Low Vision Services at Lighthouse Guild, Adjunct Professor at Mt. Sinai Hospital, and was a Distinguished Professor and Chief of Low Vision at SUNY College of Optometry in New York City. He has lectured extensively and received numerous awards worldwide and was editor of eight books on low vision. One of the major passions of his career has been the training of Ophthalmology and Optometry residents on the importance of vision rehabilitation in the continuum of eye care across the lifespan.


Susan Weinstein, OD

Dr. Susan Weinstein graduated from Queens College with a BA in psychology. She graduated from the SUNY College of Optometry and then completed a residency in low vision rehabilitation at the SUNY College of Optometry and Lighthouse Guild. She is certified with the New York State Optometric Association to provide low vision rehabilitation. She is also board certified in optometry, a diplomate of the American Board of Optometry.

Leonard Feingold, MD

Dr. Leonard Feingold is the Medical Director of the Lighthouse Guild Health Center and GuildCare Adult Day HealthCare program. He has more than 20 years’ experience practicing medicine in New York Area and was Clinical Instructor in Medicine at Cornell Weill Medical School. Dr. Feingold is Board Certified in Internal Medicine and Nephrology.

Jenny Tang-Chan, MDJenny Tang-Chan, MD

Dr. Jenny Tang-Chan has been a primary care physician at Lighthouse Guild since 2013. Dr. Tang-Chan has practiced internal medicine in New York City for over 20 years, providing comprehensive health care to diverse communities.  She earned a Bachelor’s Degree in Biology and Psychology from New York University.  Dr. Tang-Chan graduated from Mount Sinai School of Medicine and completed her Internal Medicine Residency at Lenox Hill Hospital.  She is Board Certified in Internal Medicine.


Inna Babaeva, OTR/L, PhDInna Babaeva, OTR/L, PhD

Inna Babaeva has 18 years of experience working as an Occupational Therapist. She has been part of the Low Vision Rehabilitation Team since joining Lighthouse Guild in 2013. She was a co-presenter of the “Monocular Vision” workshop at the AOTA Conference. Inna was a contributing member of Lighthouse Guild’s team for the study on the “Effects of feedback on eye movement for people with retinal disease”. She also contributed to Lighthouse Guild Continuing education workshop “Traumatic Brain Injury and Visual Dysfunction”. Inna holds a Bachelor of Science degree from Barry University, an MFA from Rutgers University, and PhD. in Biomechanics from Moscow University.

Dr. BaluranRichard Baluran, PhD

Dr. Richard Baluran has 25 years of extensive experience in a variety of Rehabilitation settings including Hospitals, SNFs, Out-patient clinics, Acute/Sub-acute Rehab, Public School/Board of Education, Home Care. He has treated conditions such as chronic or acute pain, soft tissue injuries, arthritis, sports-related injuries, pre/post-surgery, balance problems, gait disorders, amputation and physical impairments typically of musculoskeletal, neurological, cardiopulmonary, vision impairment, TBI, and endocrinological origins. Dr. Baluran uses physical intervention like kinesiotape, suction cups, modalities like ultrasound, TENS, hot/cold therapy , Rehab techniques for strength, flexibility and balance improvement, exercise prescriptions, patient/health education to improve  patient’s overall physical function. He has been with Lighthouse Guild since 2005 working in the Health Center as well as in the GuildCare Adult Day Health Care Program as PT Supervisor. Dr. Baluran completed his Bachelor of Science degree in Physical Therapy (PT) from Liceo de Cagayan University, Philippines and earned a Doctor of Physical Therapy degree (DPT) at Stony Brook University, New York.

Carmen Pal, MD

Dr. Carmen Pal specializes in internal medicine, endocrinology, diabetes and metabolism in Lighthouse Guild’s Maxine and John M. Bendheim Center for Diabetes Care.




Debra Gross, RDN-CDEDebra Gross, RDN-CDE

Debra S. Gross is a Registered Dietitian, Nutritionist and a Certified Diabetes Educator, with a Master of Science in Clinical Nutrition. She studied at City University of New York- Hunter College and passed her national registration exam in 1994. She decided to focus her practice in diabetes management and became a certified diabetes educator in 1998. Debra has helped thousands of patients understand their diabetes, empowering them to control their blood sugars and avoid or delay complications associated with poor diabetes management. She has taught as an Adjunct Professor at City University of New York- Hunter College. Debra enjoys and often lectures to professionals, including physicians, nurses (for CME credits) and patients. She is able to take complex scientific information and explain it to anyone’s ability. Debra is knowledgeable in all nutrition-related diseases as well as alternative nutrition therapy.

Harold Paez, MDHarold Paez, MD

Dr. Harold Paez is a Board Certified Foot and Ankle specialist with over 20 years of clinical experience. He completed his residency training in foot and ankle surgery at New York Methodist Hospital and has been active in residency instruction throughout his career. He is a life-long New Yorker with a commitment to the city’s underserved communities. Dr. Paez is fluent in both English and Spanish. Outside of the medical practice, he is equally committed to community work having served on his Community Education Council and currently serving as a member of Community Board 14 in Queens.