Susanna S. Park, M.D., Ph.D. for UC Davis Health

Susanna S. Park, M.D., Ph.D.

Professor, Department of Ophthalmology & Vision Science

Chief, Retina Division

To see if Susanna S. Park is accepting new patients, or for assistance finding a UC Davis doctor, please call 800-2-UCDAVIS (800-282-3284).




Vitreoretinal Surgery

Ocular Surface Disease


Retina Surgery

Ocular Oncology

Locations and Contact

Ernest E. Tschannen Eye Institute

UC Davis Health Eye Center, Ernest E. Tschannen Eye Institute
4860 Y St.
Sacramento, CA 95817

Get Directions

Additional Numbers

Clinic Fax


Clinic Referral Phone


Physician Referrals

800-4-UCDAVIS (800-482-3284)

Philosophy of Care

Dr. Park is committed to providing the best care for her patients with retinal disorders. She believes that this is best achieved by a team approach combining the latest diagnostic tests and therapeutics and thorough patient education. As such, Dr. Park and her team are readily available to answer any questions and concerns from her patients.

Clinical Interests

Dr. Park is an ophthalmologist specializing in the diagnosis and treatment of retinal disorders such as macular degeneration, diabetic retinopathy and retinal detachment. She also has expertise in intraocular tumors including ocular melanomas and retinoblastomas.

Research/Academic Interests

Dr. Park’s research focuses on developing new therapies for patients with retinal disorders, including the use of stem cells for retinal regeneration. She also has interest in using the latest retinal imaging tools to improve our understanding of retinal disorders.


Vitreo-Retinal Disease and Oncology

Center/Program Affiliation

Eye Center

Undergraduate School

B.S., University of Hawaii, Manoa, Honolulu HI 1981

Medical School

M.D., Yale University School of Medicine, New Haven CT 1988

Other School

Ph.D., Pharmacology, Yale University, New Haven CT 1988


Internal Medicine, Hospital of St. Raphael; Yale School of Medicine, New Haven CT 1988-1989


Ophthalmology, Massachusetts Eye & Ear Infirmary, Harvard Medical School, Boston MA 1989-1992


Vitreo-retinal Surgery, Massachusetts Eye & Ear Infirmary, Harvard Medical School, Boston MA 1992-1994

Barbara A. & Alan M. Roth, MD, Endowed Chair of Discovery, Education and Patient Care in Vision Science, UC Davis, 2020, 2021, 2022, 2023, 2024, 2025

Retina Society Research Award, Retina Society, 2021

Best Doctors in America (Best Doctors, Inc), 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021

Ophthalmology Teaching Award (UC Davis), 2010, 2015

Best Doctors, Sacramento Magazine, 2011, 2012, 2015

Joan Oettinger Memorial Award for Excellence in Cancer Research, UC Davis, 2011

Senior Honor Award, American Society of Retinal Specialists, 2010

Achievement Award, American Academy of Ophthalmology, 2009

Honor Award, American Society of Retinal Specialists, 2008

Research to Prevent Blindness Career Development Award, 1994, 1995, 1996, 1997, 1998

Heed Foundation Fellowship Award, 1992

Park UC, Park SS, Kim BH, Park SW, Kim YJ, Cary W, Anderson JD, Nolta JA, Yu HG. Subretinal versus intravitreal administration of human CD34+ bone marrow-derived stem cells in a rat model of inherited retinal degeneration. Ann Transl Med. 2021 Aug;9(15):1275. doi:10.21037/atm-20-4662. PMID:34532412.

Cheung KW, Yazdanyar A, Dolf C, Cary W, Marsh-Armstrong N, Nolta JA, Park SS. Analysis of the retinal capillary plexus layers in a murine model with diabetic retinopathy: effect of intravitreal injection of human CD34+ bone marrow stem cells. Ann Transl Med. 2021 Aug;9(15):1273. doi:10.21037/atm-20-3930. PMID:34532410.

Mukkamala L, Nguyen M, Chang M, Park SS. Repeatability of Vascular Density Measurement of the Three Retinal Plexus Layers Using OCT Angiography in Pathologic Eyes (OCTA Vascular Density Repeatability of Three Plexus Layers). Clin Ophthalmol. 2021 Jan 8;15:93-103. doi:10.2147/OPTH.S284872. PMID:33447014.

Singh MS, Park SS, Albini TA, Canto-Soler MV, Klassen H, MacLaren RE, Takahashi M, Nagiel A, Schwartz SD, Bharti K. Retinal stem cell transplantation: Balancing safety and potential. Prog Retin Eye Res. 2020 Mar;75:100779. doi:10.1016/j.preteyeres.2019.100779. Epub 2019 Sep 5. PMID:31494256.

Mukkamala LK, Mishra K, Daftari I, Moshiri A, Park SS. Phase I/II randomized study of proton beam with anti-VEGF for exudative age-related macular degeneration: long-term results. Eye (Lond). 2020 Feb 13. doi:10.1038/s41433-020-0807-2. Epub ahead of print. PMID:32055016.

Yazdanyar A, Zhang P, Dolf C, Smit-McBride Z, Cary W, Nolta JA, Zawadzki RJ, Marsh-Armstrong N, Park SS. Effects of intravitreal injection of human CD34+ bone marrow stem cells in a murine model of diabetic retinopathy. Exp Eye Res. 2020 Jan;190:107865. doi:10.1016/j.exer.2019.107865. Epub 2019 Nov 1. PMID:31682846.

Lu JE, Welch RJ, Mishra KK, Daftari IK, Park SS. Ultrasonography and transillumination for uveal melanoma localisation in proton beam treatment planning. Eye (Lond). 2019 Dec;33(12):1904-1910. doi:10.1038/s41433-019-0512-1. Epub 2019 Jul 5. PMID:31278380.

Emami-Naeini P, Vuong VS, Tran S, Morse LS, Moshiri A, Park SS, Yiu G. Outcomes of Pneumatic Retinopexy performed by Vitreoretinal Fellows. Retina. 2019 Jan;39(1):186-192. doi:10.1097/IAE.0000000000001932. PMID:29135800.

Moisseiev E, Anderson JD, Oltjen S, Goswami M, Zawadzki RJ, Nolta JA, Park SS. Protective Effect of Intravitreal Administration of Exosomes Derived from Mesenchymal Stem Cells on Retinal Ischemia. Curr Eye Res. 2017 Oct;42(10):1358-1367. doi:10.1080/02713683.2017.1319491. Epub 2017 Jun 21. PMID:28636406.

Osmanovic S, Moisseiev E, Mishra KK, Daftari I, Moshiri A, Morse L, Park SS. Phase I/II Randomized Study of Proton Beam with Anti-Vascular Endothelial Growth Factor for Exudative Age-Related Macular Degeneration: One-Year Results. Ophthalmol Retina. 2017 May-Jun;1(3):217-226. doi:10.1016/j.oret.2016.11.003. Epub 2016 Dec 28. PMID:31047424.