Alejandro A. Zaffaroni, M.D.

Dr. Zaffaroni graduated from the University of California – Berkeley and the University of California – Davis Medical School. He completed his Ophthalmology residency at the University of California – San Francisco, where he is currently an Associate Clinical Professor of Ophthalmology. Dr. Zaffaroni is a fellow of the American College of Surgeons. Dr. Zaffaroni was in private practice in San Francisco from 1984 until joining Altos Eye Physicians in 1996.

Ajita Grewal, M.D.

Ajita Grewal, M.D. | Ophthalmologists | Los Altos CADr. Grewal graduated Phi Beta Kappa and with Honors from Davidson College in North Carolina. After one year of basic science research at Johns Hopkins University, she attended Duke University School of Medicine. Dr. Grewal graduated medical school with a special achievement award from the American Medical Women’s Association. Dr. Grewal then completed her Internship in Internal Medicine at Stanford University Hospital and her Ophthalmology Residency at the University of California – San Francisco. While at UCSF, Dr. Grewal received the Asbury Award in clinical research. Dr. Grewal has a special interest in glaucoma, dry eyes and general eye disorders. Dr. Grewal is Adjunct Clinical Faculty in the Department of Ophthalmology at Stanford University School of Medicine. She has been at Altos Eye Physicians since 1999.

Dr. Grewal is a fellow of the American Board of Ophthalmology (Board Certified). She is a member of the American Academy of Ophthalmology, California Academy of Eye Physicians, Santa Clara County Medical Association, and California Medical Association. Dr. Grewal is also on the staff of El Camino Hospital.

Bryan S. Lee, M.D., J.D.

Dr. Lee graduated with honors from Harvard College and Law School and attended Washington University in St. Louis School of Medicine on a full merit scholarship. After his ophthalmology residency at Johns Hopkins, he completed a cornea fellowship at Minnesota Eye Consultants. Dr. Lee joined Altos Eye Physicians in 2015 after serving on the full-time faculty at the University of Washington.

He has been named one of the "Top 50 Rising Stars in Ophthalmology" and a "Premier Surgeon 300 Innovator in Refractive Cataract Surgery." Dr. Lee specializes in cataract surgery, cornea transplants, LASIK, and complex surgery. He currently serves on the American Academy of Ophthalmology’s Cataract Preferred Practice Pattern Committee, ONE Network Refractive Management Committee, and Refractive Surgery Basic and Clinical Science Course Committee. He also is on the American Society of Cataract and Refractive Surgery Bylaws Task Force and served two terms as the ASCRS representative on the Council.

Dr. Lee has published dozens of articles and textbook chapters and has taught other ophthalmologists nationally and internationally. He also has participated in multiple clinical trials as a principal investigator. His honors have included the Danforth Scholarship, Vanguard Scholar Award, Latham Vision Research Innovation Award, Maxwell Grand Prize for Excellence in Ophthalmology, Oliver Schein Research Grant Award, and Walter J. Stark Research Grant Award. Please visit his website www.bryanlee.pro for more information about him and the types of surgery he performs.

Stephanie P. Chen, M.D.

Dr. Stephanie P. Chen, MD, is a board-certified ophthalmologist specializing in cataract surgery, cornea transplantation, and refractive surgery at Altos Eye Physicians. She is also an Assistant Professor of Ophthalmology at the University of California, San Francisco (UCSF). Dr. Chen holds a Bachelor of Science degree in Biology from MIT and a Medical Degree from Stanford University School of Medicine. She completed her ophthalmology residency at UCSF and further specialized in Cornea, External Diseases, and Refractive Surgery at Bascom Palmer Eye Institute.

Dr. Chen is actively engaged in research, has authored numerous publications, and has spoken at national and international conferences. She is a member of prestigious organizations like the American Academy of Ophthalmology and the American Society of Cataract and Refractive Surgery. Dr. Chen has received various awards, including the Starr E. Shulman MPA Fellowship and recognition by the American-European Congress of Ophthalmic Surgery.

Beyond her professional achievements, Dr. Chen is known for her compassionate and patient-centric approach. She is fluent in Mandarin Chinese and proficient in Spanish, enhancing her ability to connect with patients. Dr. Chen, a California native, enjoys outdoor activities like cycling and snowboarding and loves exploring the natural beauty of the Bay Area and Northern California with her family and friends.


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762 Altos Oaks Drive
Los Altos, CA 94024

P: (650) 948-9123
F: (650) 948-0563

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