Bariatric Surgery Program

Our Experts

A Team Approach

The specially trained bariatric specialists on staff at St. Joseph Hospital provide the latest technology and advanced procedures in the field. Our comprehensive, patient-centered care focuses on a multidisciplinary approach to successful long-term weight loss using the expertise of surgeons, the program coordinator, psychologist, registered dietitians, physical therapists, exercise physiologist, the meditation/spirituality specialist, acute-care surgical and post-op staff, and office personnel.

Our Experts

Sami Hamamji, M.D.

Board Certified, General Surgery

Bariatric Care Center at St. Joseph Hospital Orange, CA

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Jeffrey M. Johnsrud, M.D.

Board Certified, General Surgery

Medical Director Bariatric Care Center at St. Joseph Hospital, Orange, CA

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Eric H. Pham, M.D.

Board Certified, General Surgery

Bariatric Care Center at St. Joseph Hospital Orange, CA

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Heidi Daniel, R.N.

Manager, St. Joseph Hospital

Bariatric Surgery Program at St. Joseph Hospital Orange, CA

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Geoffrey Phillips, M.D.

Psychiatrist

Bariatric Surgery Program at St. Joseph Hospital Orange, CA

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Natalie Buntzen, M.S., R.D.

Dietitian

Bariatric Surgery Program at St. Joseph Hospital Orange, CA

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Siham (Sue) Arevalo

Exercise Physiologist

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Shirley Hartshorn

Guided Imagery

Bariatric Surgery Program at St. Joseph Hospital Orange, CA

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Mary-Nell Jeffries, PT

Physical Therapist

Bariatric Surgery Program at St. Joseph Hospital Orange, CA

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