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Meet Our Physicians

Physicians associated with North Vista Hospital include:

Bernie Hanna, M.D.,
Medical Director

Bernie HannaDr. Hanna is a board-certified general surgeon who has performed bariatric surgery procedures in Southern Nevada for more than 10 years.

He completed his undergraduate work at Barry University in Miami and graduated from Howard University Medical School and its general surgery residency program.

In addition to his extensive experience performing weight loss surgeries, Dr. Hanna has served as a trauma surgeon, an assistant clinical professor and is a published medical researcher.

Dr. Hanna is a diplomate of the American Board of Surgeons, a member of The American Society for Metabolic and Bariatric Surgeons, the American College of Surgeons, the American Medical Association, the National Medical Association, the Nevada State Medical Association, Clark County Medical Society, the Association for the Advancement of Wound Care and the Society of Laparoendoscopic Surgeons.

Mustafa Ahmed, M.D. , FACS

Mustafa Ahmed Dr. Mustafa Ahmed graduated from Ohio State University College of Medicine and Public Health before doing an internal medicine residency at Mount Carmel Medical Center, Columbus Ohio.

Dr. Ahmed has certifications with the American Board of Surgery, Surgical Critical Care, Advanced Cardiac Life Support and Advanced Trauma Life Support.
The experience he had as an internist ultimately led him to finish with a Bariatric Fellowship. The most common denominator with patients who suffer from diabetes, high blood pressure, coronary artery disease, osteoarthritis, and other life debilitating diseases is often obesity. Dr. Ahmed believes that in order to treat and improve a patient's overall health you have to address the obesity.

Dr. Ahmed's practice is centered on patient care and empowering patients who suffer from Obesity. "Until we treat obesity, we can only chase the diseases that are associated with it."

On a personal note, he is married with five boys. One of the passions they have as a family is spending time together hiking, swimming, and playing soccer.

Francis Teng, M.D, FACS

Francis TengDr. Teng received his medical degree in 1991 from the University of NV School of Medicine, Reno, NV. He is a diplomat of the American Board of Surgeons, Society of Laparoendoscopic Surgeons Member, and a member of the American Society of Metabolic and Bariatric Surgeons.

Dr. Teng is board certified in general surgery and has been practicing bariatric surgery since 2002. He specializes in advanced laparoscopic procedures and general surgery.

Shawn Tsuda M.D.

Shawn TsudaDr. Shawn Tsuda is a board-certified general surgeon. He is fellowship trained in laparoscopic weight loss surgery.

Dr. Tsuda specializes in minimally invasive surgical techniques including the laparoscopic Roux-en-Y gastric bypass, laparoscopic adjustable gastric band, sleeve gastrectomy, foregut surgery, ventral and inguinal hernia repairs, endoscopy, and basic laparoscopy.

In 2008 he won first place in the Top Gun Laparoscopic Skills Shoot-Out at the Society of American Gastrointestinal and Endoscopic Surgeons meeting.

Morgan M. Pomeranz, M.D.

Morgan M. PomeranzDoctor Pomeranz is board-certified by the American Board of surgery.

He is fellowship-trained in advanced minimally invasive foregut and Bariatric surgery. With hundreds of surgeries under his belt he comes to Las Vegas very experienced in all Bariatric procedures.

His training experience includes:

  • University of Texas Health Sciences Center at Houston – Fellowship
  • Bariatric Medical Institute of Texas – Fellowship
  • Sunrise Health – Residency
  • Yale School of Medicine – Internship
  • Bariatric surgery
  • Anti reflux surgery
  • General surgery
  • Advanced laparoscopic and robotic surgery

He is a compassionate and meticulous surgeon who puts his clients first. We are happy to have him on our team.