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Francis Teng, MD, F.A.C.S.

• Board Certified in General Surgery

• Practicing Bariatric Surgery in Las Vegas since 2002

• Medical Degree: Doctor of Medicine, 1991 University of Nevada School of Medicine, Reno, NV

• Surgery Division Director (2001 - 2007)

• Medical Director of Bariatric Surgery at MountainView Hospital (2005-Present)

  • Member Critical Care Committee MountainView (2003-2008)

  • University of Nevada School of Medicine Outstanding Community Teacher, 2001

  • Diplomat American Board of Surgeons

  • Society of Laparoendoscopic Surgeons Member

  • American Society of Metabolic and Bariatric Surgery Member

  • Specializes in:

    • Advanced Laparoscopic Surgery

Bernie Hanna, MD, F.A.C.S.

• Board Certified in General Surgery

• Practicing General Surgery in Las Vegas since 2000

• Medical Degree: Doctor of Medicine, 1995 Howard University College of Medicine Washington, DC

• Diplomat American Board of Surgeons

• Society of Laparoendoscopic Surgeons Member

• American College of Surgeons Member

• Specializes in:

  • Advanced Laparoscopic Surgery

  • General Surgery

Thomas Umbach, MD, F.A.C.S.

• Board Certified in General Surgery

• Practicing Bariatric Surgery since 2000

• Medical Degree: Doctor of Medicine, 1996 Medical College of Virginia, Richmond, VA

• Surgical Director, Bariatric Surgery, Oregon Bariatric Center 2006-2008

• Medical Director, Bariatric Surgery, Valley Health System 2008-2010

• Center of Excellence Bariatric Surgeon since 2007

• Fellowship: University of Southern California, Advanced Minimally Invasive Surgery

• Fellow of American Society of Metabolic and Bariatric Surgery

• Fellow of American College of Surgeons

• Member of American Board of Surgery

• Specializes in:

  • Complex Bariatric Surgery

  • Advanced Laparoscopic Surgery