Orange County Radiation Oncology Center

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1100 N Tustin Ave
Santa Ana, CA 92705
+1 (714) 835-8520
http://www.ocroc.net
Orange County Radiation Oncology Center Exciting advances in cancer care are always big new events. Thanks to these advances in technology and healthcare, cures are being discovered, survival rates are improving and side effects of treatments are dramatically decreasing, improving a patient's quality of life. Our doctors bring those advances to you, close to home, where you have support of family, friends and community, regardless of your cancer diagnosis.

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Reviews

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4.04 reviews
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Sara Y.
6/17/2025

From the adorable and always friendly front desk girls, always remembering names (even on 1st visit I swear) to Gina- everyone could not be more caring and kind. After leaving my 1st treatment I...

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Sasha P.
2/11/2024

During the two weeks my dad received treatment here, Dr. Feng and Dr. Lee were very sympathetic and provided my dad with utmost care. The radiation techs also were so kind and professional. My...

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April R.
5/30/2018

Being diagnosed with breast cancer at 30 yrs old was the scariest thing in my life. So I am immensely grateful for people like Dr.Ngo & his staff here at OC radiation. I went in nervous and...

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Rochelle R.
3/16/2021

I dont have any issues with their service i just have an issue with the reseptionist who think that theyre all that.

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Internal medicine practitioners

Kenneth M. Tokita, MD

2
"This review is long overdue for my husband's consultation and treatment in 2014. Dr. Kenneth Tokita is the best doctor we have ever known to date. We wish that all doctors were at least half as..."
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Internal medicine practitioners

Irene Morae Kang, M.D. | Medical Oncologist

Irene Kang, M.D., is medical director of women's health medical oncology and assistant professor in medical oncology and therapeutics research.
Sean Maroongroge, M.D., M.B.A. | Radiation Oncologist

Sean Maroongroge, M.D., M.B.A. | Radiation Oncologist

Sean Maroongroge, M.D., M.B.A., is a board-certified radiation oncologist and assistant clinical professor at City of Hope's Comprehensive Cancer Center in Duarte and our Glendale campus, where he is involved in many stages of patient care, from tumor detection through treatment and survivorship. He is an expert in treating head and neck, skin, prostate, and breast cancer, among others, and works closely with his patients to find the best solution for their individual needs. Dr. Maroongroge also has a special interest in the use of ultra-low dose radiation for non-cancer indications like osteoarthritis.
United States›California›Santa Ana›Orange County Radiation Oncology Center

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