Board-Certified Oncology Dietitian · CSO · CNSC

Personalized Cancer Nutrition: The Expert Support You Need to Thrive

Personalized, evidence-based nutrition care from a Registered Dietitian Nutritionist with over 17 years of clinical experience — including 13+ years at one of the nation’s top cancer hospitals. Care in English, Mandarin, and Cantonese.

Elaine Siu, MS, RDN, CSO, CNSC — oncology dietitian
In-network MNT
Aetna · United Healthcare
Licensed in
CA · AZ · VA · CO · NJ · IA
Care in
English · 普通话 · 廣東話
Experience
17+ yrs · 13+ yrs oncology
As featured in
The New York Times PEOPLE City of Hope Healio Cancer Fighters
Services

Two areas of deep specialization

Sessions in English, Cantonese, or Mandarin. In-network coverage in 6 states; digital products available worldwide.

Cancer Nutrition

Personalized care for chemotherapy, radiation, surgery, hormonal therapy, targeted therapy, immunotherapy, and stem cell treatment. Side-effect management, weight and muscle preservation, survivorship eating.

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Nutrition Support · TPN & Tube Feeding

CNSC-level guidance for G-tube, J-tube, TPN, ostomy, and post-GI-surgery nutrition. Formula tolerance, feeding schedules, hydration, and long-term planning.

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Portrait of Elaine Siu, MS, RDN, CSO, CNSC
About me

Meet your oncology dietitian, Elaine Siu

Elaine Siu, MS, RDN, CSO, CNSC — 17+ years of clinical experience, including 13+ years at one of the nation’s top cancer hospitals.

I’m a Registered Dietitian Nutritionist, Board Certified Specialist in Oncology Nutrition, and Certified Nutrition Support Clinician. I provide evidence-based, individualized nutrition care for patients facing every stage of cancer treatment and recovery.

My philosophy is grounded in balance and a deep belief that food should bring both healing and joy — without extreme diets or unnecessary restrictions.

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Featured speaker

West Coast Lymphoma Symposium

I regularly speak to patient and clinician audiences on cancer nutrition, side-effect management, and culturally tailored eating for Chinese-speaking patients.

Elaine Siu presenting at the West Coast Lymphoma Symposium

Oncology nutrition for lymphoma patients

Spoke on practical nutrition strategies for patients undergoing treatment for lymphoma — including managing chemotherapy side effects, supporting stem cell transplant recovery, and culturally tailored eating recommendations.

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Endorsements

From physicians at City of Hope

An outstanding resource for anyone seeking specialized nutrition care in oncology and hematology. Elaine embodies compassion, patience, and an unwavering commitment to improving patient outcomes.

Cornelia Ranchi-Odell, MD Associate Clinical Professor, Department of Medicine
City of Hope National Medical Center

She effortlessly calculates precise calorie needs for even our most complex cancer patients. I highly recommend her without reservation — she is one of my top go-to resources for patient referrals.

Marjorie Hein, DNP, FNP Doctor of Nursing Practice, City of Hope
Adjunct Professor, Azusa Pacific University

Truly one of the most knowledgeable and compassionate dietitians I’ve encountered. Patients and physicians consistently express how much they appreciate Elaine’s thorough and personalized approach to nutrition.

Adern Yu, MS, RD, CSO Director of Clinical Nutrition Services
City of Hope National Medical Center

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Ready to get oncology-trained nutrition support?

Book a free 15-minute consult and find out whether working together makes sense for your treatment, your goals, and your life.

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