St. Joseph Hospital of Orange
1100 West Stewart Dr, Orange, CA 92868714.633.9111
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Bariatric Surgery Program
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Eric H. Pham, MD
Jeffrey M. Johnsrud, MD
Sami Hamamji, MD
Heidi Daniel, R.N., M.S.N.
Geoffrey Phillips, MD
Natalie Buntzen, M.S., R.D.
Mary Nell Jeffries, P.T.
Siham (Sue) Arevalo
Shirley Hartshorn
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Natalie Buntzen, M.S., R.D.
1140 W. La Veta Ave., Suite 460
Orange, CA 92868
714-771-8000 ext. 12972
714-771-8239 fax

Bariatric Care Center Dietitian

Natalie has always been very interested in overall health, including healthy eating and exercise. She has been a registered dietitian since 2002. Her background includes teaching nutrition and food safety classes, and working with a variety of patients including those with eating disorders, diabetes, gestational diabetes, heart disease, post surgical weight loss and weight loss needs.

She is here to help with pre- and post-op nutritional and dietary needs. “Weight loss surgery is not just another diet. Our program was developed to help patients make healthy lifestyle choices and change their current relationship with food. I enjoy assisting our patients in their weight loss journey and success,” says Natalie.

Natalie earned her Master's Degree in Nutritional Science from California State University, Long Beach and a Bachelor of Arts Degree in Psychology from the University of California, Irvine.

When not working, Natalie enjoys spending time with her family and friends as well as exercising, scrapbooking and traveling.