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Bobeck (Bob) Modjtahedi, MD

Biography

Associate Professor

Clinical Science

Dr. Bobeck (Bob) Modjtahedi is a vitreoretinal surgeon and serves as Director of the Kaiser Permanente Southern California Eye Monitoring Center, which oversees large-scale virtual eye care programs across Southern California, Georgia, Colorado, and Hawaii. At KPSOM, Dr. Modjtahedi serves as a mentor for students for the Department of Clinical Science. A Clinician Investigator with the Department of Research and Evaluation at Southern California Permanente Medical Group, Dr. Modjtahedi leads research focused on health disparities, telemedicine, artificial intelligence, and population-level outcomes using ophthalmic imaging data. He holds multiple leadership roles with the American Academy of Ophthalmology, including lead authorship on the organization’s Myopia Task Force and co-chair of the Autoimmune Retinopathy Task Force.

Profile headshot of Bobeck (Bob) Modjtahedi, MD

Education and Training

Degrees
BS, University of California, Davis
MD, University of California, Davis School of Medicine
Postdoctoral Training
Internship, Internal Medicine, University of California, Davis
Residency, Ophthalmology, University of California, Davis
Fellowship, Vitreoretinal Surgery, Massachusetts Eye and Ear Infirmary/Harvard Medical School

Professional Positions

Clinician Investigator, Research and Evaluation
Southern California Permanente Medical Group
2018-present
Assistant Chief of Ophthalmology
Kaiser Permanente Baldwin Park Medical Center
2019-2021
Director, Eye Monitoring Center
Kaiser Permanente Southern California, Georgia, Colorado, and Hawaii
2021-present
Ophthalmology Specialty Director
Kaiser Permanente Bernard J. Tyson School of Medicine
2021-present
Associate Professor, Clinical Science
Kaiser Permanente Bernard J. Tyson School of Medicine
2021-present

Honors and Awards

Fellow of the Year
Massachusetts Eye and Ear Infirmary/Harvard Medical School
2015
Top 50 Rising Stars in Ophthalmology
The Ophthalmologist
2017
Fellowship
Fostering Innovative Retina Stars of Tomorrow Program
2018–2020
Achievement Award
American Academy of Ophthalmology
2021
Distinguished Contributor Award
American Society of Retina Specialists
2023
Transformational Leadership Award
UC Davis School of Medicine Alumni Association
2023
Excellence in Research and Scholarship Mentorship Award
Kaiser Permanente Bernard J. Tyson School of Medicine
2025
Honor Award
American Society of Retina Specialists
2025

Community Engagement

Chair, Laser Safety Committee
Kaiser Permanente Baldwin Park Medical Center
2017-2025
Lead Author, Myopia Task Force
American Academy of Ophthalmology
2019-2020
Regional Research Committee
Southern California Permanente Medical Group
2019-present
Member, Public Health Committee
American Academy of Ophthalmology
2019-present
Co-Chair, Autoimmune Retinopathy Task Force
American Academy of Ophthalmology
2020-present
Founding Co-Chair, Center for Ophthalmology Research and Innovation
Kaiser Permanente
2020-present
Member, Medical Information Technology Committee
American Academy of Ophthalmology
2022-present
Member, Task Force on Community Health Clinics
American Academy of Ophthalmology
2022-present
Artificial Intelligence Advisory Council
Southern California Permanente Medical Group
2023-present

Scholarly Activities

See Dr. Bobeck Modjtahedi’s Researcher Profile

Selected Peer-Reviewed Research Manuscripts
  • Modjtahedi BS, Paschal JF, Batech M, Luong TQ, Fong DS. Perioperative topical non-steroidal anti-inflammatory drugs for macular edema prophylaxis following cataract surgery. American Journal of Ophthalmology. 2017;176:174–182.
  • Modjtahedi BS, Fong DS, Jorgenson E, Van Den Eeden SK, Quinn V, Slezak JM. The relationship between nonsteroidal anti-inflammatory drug use and age-related macular degeneration. American Journal of Ophthalmology. 2018;188:111–122.
  • Modjtahedi BS, Patel AP, Barb S, MacLachlan MJ, van Zyl T, Papakostas TD, Eliott D. Characteristics and outcomes of endogenous endophthalmitis: eight-year experience at a tertiary care center. Ophthalmology Retina. 2019;3(1):61–72.
  • Modjtahedi BS, Theophanous C, Chiu S, Nguyen N, Luong T, Fong DS. Two-year incidence of retinal intervention in patients with minimal or no diabetic retinopathy screened within a telemedicine program. JAMA Ophthalmology. 2019;137(2):193–195.
  • Modjtahedi BS, Hull MM, Adams J, Munz S, Luong LQ, Fong DS. Pre-operative vision and surgeon volume as predictors of visual outcomes following cataract surgery. Ophthalmology. 2019;126(3):355–361.
  • Niffenegger JH, Fong DS, Wong KL, Modjtahedi BS. Treatment of secondary full-thickness macular holes with topical therapy. Ophthalmology Retina. 2020;4(9):882–884.
  • Modjtahedi BS, Wu J, Luong TQ, Gandhi NK, Fong DS, Chen W. Severity of diabetic retinopathy and the risk of future cerebrovascular disease, cardiovascular disease, and all-cause mortality. Ophthalmology. 2021;128(7):1036–1045.
  • Modjtahedi BS, Abbott RL, Fong DS, Lum F, Tan D; Task Force on Myopia. Reducing the global burden of myopia by delaying the onset of myopia and reducing myopic progression in children: the Academy’s Task Force on Myopia. Ophthalmology. 2021;128(11):1561–1563.
  • Modjtahedi BS, Do D, Luong T, Shaw J. Changes in the incidence of retinal vascular occlusions after COVID-19 diagnosis. JAMA Ophthalmology. 2022;140(5):523–527.
  • Modjtahedi BS, Palestine AG, Jampol LM, et al. Guidelines for the diagnosis, management, and study of autoimmune retinopathy from the American Academy of Ophthalmology's Task Force. Ophthalmology Retina. 2025;9(4):391–403.