Gives Back
Meet Our NewFit Surgeons
Meet Our Doctors
Nathan Allison, MD
Laparoscopic, General, & Bariatric Surgery
"After surgery, patients are off their meds. They are able to walk, jog, exercise - do things they were never able to do before. And that's very rewarding."
Medical School: University of Florida College of Medicine
Internship and Residency: University of Texas, Houston
Fellowship: University of Texas, Houston Minimally-Invasive Surgery, Endoscopic Surgery, Robotics-assisted Surgery
Board Certification: The American Board of Surgery - General Surgery
Additional Focuses:
Robotic Surgery: General and Bariatric
Minimally-Invasive Surgery: Abdominal,Adrenal Disorders, Appendix, Colorectal & Intestinal Disorders, Gallbladder, Gastric, Hernia Repair, Reflux, Spleen Disorders
Revisional Bariatric Surgery
Endoscopic Procedures
Kenneth Tieu, MD
Laparoscopic and Robotic General & Bariatric Surgery
"With bariatric surgery, it is such an amazing certainty. You see patients just after their initial post-op visit and their diabetes is gone, their meds are cut significantly. Their lifestyle is changed, they are happier and able to do things they were not able to do before the surgery."
Medical School: The Pennsylvania State University College of Medicine, Hershey, Pennsylvania
Internship and Residency: University of Texas Health Science Center, Houston
Fellowship: University of Texas Health Science Center, Houston Minimally-Invasive Surgery, Endoscopic Surgery,Robotics-assisted Surgery
Board Certification: The American Board of Surgery - General Surgery
Additional Focuses:
Robotic Surgery: General and Bariatric
Minimally-Invasive Surgery: Abdominal,Adrenal Disorders, Appendix, Colorectal & Intestinal Disorders, Gallbladder, Gastric, Hernia Repair, Reflux, Spleen Disorders
Revisional Bariatric Surgery
Endoscopic Procedures
Peter Walker, MD
Laparoscopic, Robotic General & Bariatric Surgery
"I think what makes a great doctor is having compassion for your patients. It really allows you to put yourself in a patient's shoes and really have empathy for what they're feeling."
Medical School: Saint Louis University School of Medicine
Internship and Residency: University of Texas Health Science Center, Houston
Fellowship: University of Texas Health Science Center, Houston Minimally-Invasive Surgery, Endoscopic Surgery, Robotics-assisted Surgery
Board Certification: The American Board of Surgery — General Surgery
Additional Focuses:
Nutrition
Minimally-Invasive Surgery: Reflux Surgery, Gastric, Gallbladder, Colorectal, Abdominal, Hernia Repair
Endoscopic Surgery
Robotic Surgery: General and Bariatric