Bariatric Surgery Program

How to Contact Us

If you are considering weight-loss surgery, you will want to educate yourself on these life-changing procedures. The staff at the St. Joseph Hospital Bariatric Surgery Program are here to answer all of your questions and to determine whether you are a candidate for weight loss surgery. Just give us a call at 714-771-8298, or you can contact specific staff members as noted below.

Bariatric Surgery Program at St. Joseph Hospital

Sami Hamamji, M.D.
Bariatric Surgeon
714-541-5959
714-835-9550 fax

Eric Pham, M.D.
Medical Director

Bariatric Surgeon
714-541-4343
714-835-9550 fax

Heidi Daniel, M.S.N., R.N., C.B.N.
Bariatric Surgery Program Manager at St. Joseph Hospital, Orange, CA
714-771-8298
714-771-8239 fax

Geoffrey Phillips, M.D.
Bariatric Psychiatrist
714-453-0688
714-453-0689 fax

Thomas Donavan, PsyD.
Bariatric Psychologist
714-541-4343
949-272-0733

Natalie Buntzen, M.S., R.D.
Bariatric Dietitian - St. Joseph Heritage Center for Health Promotion
714-628-3242

Mary Nell Jeffries, P.T.
Bariatric Surgery Program at St. Joseph Hospital , Orange, CA
714-771-8204

Krissy Maurin, M.S., A.T.C.
St. Joseph Hospital Athletic Trainer and Lead Wellness Coordinator