William Hoefle, DVM, MS, DACVS

Special interests – fracture repair, joint injuries, juvenile orthopedic diseases, training residents

Board Certified, American College of Veterinary Surgeons

Las Vegas Veterinary Referral Center, Founding Partner & Senior Staff Surgeon 2005 – present

Professor of Veterinary Clinical Sciences, Iowa State University

Consultant, veterinary practices throughout area

Mobile Veterinary Orthopedic Surgical Practice, Las Vegas area, 1984 – present

Iowa State University, MS, 1966

Iowa State University, DVM, 1966

Dr. Hoefle’s many accomplishments include:

Numerous publications, presentations, research projects, and honors

Membership in several veterinary and university organizations

Past-presidency of Veterinary Orthopedic Society and the Iowa Veterinary Medical Association

Multiple presentations for such groups as the American Animal Hospital Association, American Veterinary Medical Association, North American Veterinary Conference, Western Veterinary Conference, Central States Veterinary Conference, Veterinary Orthopedic Society, and the ACVS Surgical Forum

Robert D. Barstad, DVM, MS, Practice Limited to Surgery

Dr. Barstad is married and has a son and daughter. He has a Golden Retriever Kealey and a cat Tiger. His activities include family, woodworking, fly- fishing, and mentoring.

Las Vegas Veterinary Specialty Center, Founding Partner 2005 – present

Texas Academy of Veterinary Practice Clinical Consultation Award, 1997 (Texan who has most helped peers with consultation and patient care)

Dallas Veterinary Surgical Center, Owner and Staff Surgeon in all disciplines of surgery, orthopedics, soft tissue, neurosurgery, 1986 – present

Surgical Residency and MS, Iowa State University, in Veterinary Clinical Sciences, 1983

Private Practice, Small Animals, Colorado and Wisconsin, 1979 – 1983

Iowa State University, College of Veterinary Medicine, DVM, Reiser Award for Proficiency in Small Animal Medicine and Surgery, 1978

David R. Mason, B. Vet. Med, MRCVS, DACVS, DECVS, DACVSMR

Special interests – arthroscopy, elbow dysplasia, thoracic surgery, porto-systemic shunts

Board Certified, American College of Veterinary Surgeons 2006

European College of Veterinary Surgeons 2007

American College of Veterinary Sports Medicine and Rehabilitation 2014

Staff Surgeon, Las Vegas Veterinary Referral Center, 2005 – present

Associate Veterinarian, Mobile Surgical Practice, Las Vegas Veterinary Referral Center, 2005

Small Animal Orthopedic Surgery Clinician, 2005 – present

Small Animal Surgical Residency, Iowa State University, 2004

Research Associate, JD Wheat Veterinary Orthopedic Research Laboratory, University of California Davis, 2003

The Royal Veterinary College, University of London, BVM (Honours), 1999

David Mason, B Vet Med (Honours), MRCVS, is a Board Certified Small Animal Veterinary Surgeon specializing in Orthopedic, Neurologic, Oncologic and General Soft Tissue Surgical Procedures.

A native of Northern England who grew up on a dairy farm and has been involved with animals his entire life, Dr. Mason earned his veterinary degree with honours from the Royal Veterinary College, University of London in 1999. After graduation he moved across the Atlantic Ocean in order to pursue a Small Animal Medicine and Surgery Internship at Kansas State Veterinary Medical Teaching Hospital.

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Suzanne L. Hunter, DVM, DACVS

Special Interests: oncologic surgery, wound management, thoracic surgery, urogenital surgery, gastrointestinal surgery, portosystemic shunts.

Board Certified, American College of Veterinary Surgeons, 2004

Staff Surgeon, Las Vegas Veterinary Specialty Center, January 2016-present

Staff Surgeon, Gulf Coast Veterinary Specialists, Houston TX, September 2004-December 2015

Staff Surgeon, Oradell Animal Hospital, Paramus, NJ, August 2003-August 2004

Small Animal Surgical Residency, The Ohio State University, 2000-2003

Small Animal Rotating Internship, Oradell Animal Hospital, Oradell, NJ, 1999-2000

Cornell University College of Veterinary Medicine, DVM, 1995-1999

Cornell University, BS (Biology), 1991-1995

Dr. Hunter has presented at local and national continuing education meetings on various soft tissue topics. She has also written and collaborated on several publications in peer-reviewed journals. She enjoys spending time with her husband and two sons when not working. Their Golden and Labrador Retrievers, one cat, and two horses keep everyone very busy.

Katja Lin DVM, DACVS

Special interests: Canine sports medicine and rehabilitation, arthroscopy, regenerative medicine, thoracic surgery, trauma and fracture repair

Board Certified, American College of Veterinary Surgeons

Staff Surgeon, Las Vegas Veterinary Specialty Center, August 2015 to present

Staff Surgeon, Valley Oak Veterinary Center, Chico, CA Aug 2012 to 2015

Small Animal Surgical Residency and Orthopedic Fellowship, University of Minnesota, Saint Paul, MN 2008-2012

Associate Veterinarian, Minnetonka Animal Hospital, Minnetonka, MN 2007-2008

Small Animal Rotation Internship, , University of Minnesota, Saint Paul, MN 2006-2007

University of Minnesota, DVM, 2006

Dr Lin has given several presentations at local and national conferences on topics such as non- surgical management of canine cruciate disease and cartilage imaging for the canine elbow. She has published her findings in peer reviewed veterinary journals and abstracts. She is currently serving on the board of the Veterinary Orthopedic Society as their communications officer. When she is not at work, she spends her time with her two dogs, Nema and Tia Rosa and her cat Stanley. She is an avid long distance runner, rock climber and skier.

Joshua Rexing, DVM, Practice Limited to Surgery

Special interests – fracture repair, gastrointestinal surgery, degenerative disc disease

Las Vegas Veterinary Referral Center, 2011 – Present

Northeast Indiana Veterinary Emergency and Specialty Hospital, 2008-2011

Small Animal Surgical Residency, Iowa State University, 2005-2008

Small Animal Rotating Internship, University of Illinois, 2004-2005

Small Animal Emergency Clinician and Surgery Intern, Northeast Indiana Veterinary Emergency and Specialty Hospital, 2003-2004

Small Animal Private Practice, Petsburgh Animal Hospital, Lafayette, IN, 2001-2003

Purdue University School of Veterinary Medicine, DVM, 1997-2001

Purdue University, BS in Animal Sciences, 1992-1997

Lauren Sanders, DVM, DACVS-SA

Special interests: Arthroscopy and regenerative medicine, gastrointestinal surgery, orthopedic disease and fracture repair

Staff Surgeon, Las Vegas Veterinary Specialty Center, August 2018 to present

Small Animal Surgical Residency, Veterinary Specialty & Emergency Center-Levittown, PA, 2015-2018

Small Animal Surgical Internship, Central Texas Veterinary Specialty Hospital-Austin, TX 2014-2015

Small Animal Rotating Internship, Carolina Veterinary Specialists-Charlotte, NC 2013-2014

University of Missouri College of Veterinary Medicine, DVM, 2010-2013

Oklahoma State University, BS in Animal Science, 2006-2010

Dr. Sanders is originally from Missouri. Her free time is spent outdoors with her dog and riding her Arabian horse, April.

Dana Gale, DVM, Surgical Resident

A native of Maryland, Dr. Dana Gale graduated Ohio State vet school. She did an internship at Friendship Hospital in DC and a surgical internship at Gulf Coast Vet Specialist in Texas.

Shawnon Kaiser, DVM

Dr. Kaiser originally hails from Sonoma County, part of the beautiful northern California bay area. She received her undergraduate degree from UC Davis, her veterinary didactic training at Ross University School of Veterinary Medicine on the Island of St Kitts, and her clinical year at Cornell University. Since receiving her veterinary degree she has completed a small animal rotating internship with the Veterinary Medical and Surgical Group as well as a surgical specialty internship with the Animal Specialty Group of Los Angeles. She is excited to join the LVVSC family this year for a second surgical specialty internship. Her interests include minimally invasive surgical techniques, fracture repair, and orthopedic/joint replacement surgery. At home she has a one year old chocolate lab named Tiki, a coconut retriever named Leeloo, and a very supportive and understanding significant other. If she finds a few spare minutes she enjoys anything outdoor, Disneyland, Star Wars, and helping her boyfriend in his workshop creating costumes and props for Hollywood films and private collectors.

Mira Patel, DVM

Dr. Mira Patel is originally from Princeton, New Jersey. After receiving her Bachelor of Animal Science degree from Rutgers, The State University of New Jersey, she continued her education at Ross University, and completed her clinical year at The Ohio State University. She then completed a rotating internship at Gulf Coast Veterinary Specialists in Houston, Texas. Her professional interests include fracture repair and joint replacement surgery.

Dr. Patel is passionate about the sport of bodybuilding and powerlifting and hopes to one day compete again.

About Our Practice

Our board certified surgeons use advanced tools and methods to perform surgical procedures not available in most veterinary clinics. Our excellent pain management therapies offer relief to both pets and their owners, before and after surgery.

Our surgical specialists provide consultations for many different types of advanced surgical cases, such as soft tissue, orthopedic, and neurologic problems. We are dedicated to providing thorough communication to both the owner and primary veterinarian at all times, and providing our patients with the most advanced and compassionate care possible. Our staff reviews procedures, possible complications, prognosis, and home and follow-up care at the time of consultation, before and after surgery, and at discharge.

In addition, the surgical practice has immediate access to the other specialty practices at Las Vegas Veterinary Specialty Center to make sure our patients get the most thorough care available.

About Our Services

Our patients receive thorough surgical monitoring by Licensed Veterinary Technicians, and have a dedicated, quiet recovery ward where they are monitored 24 hours a day by both doctors and technicians. This allows for excellent post-procedure pain management, medical treatment, and observation.

Our facility provides access to advanced diagnostic imaging, including CT, MRI, digital radiography, and ultrasound, as well as advanced treatment options such as critical care and physical rehabilitation.

Some of our surgical procedures include:

  • Arthroscopy
  • Cardiovascular Surgery
  • Fracture Repair
  • Gastrointestinal Surgery
  • Growth Deformities
  • Joint Surgery
  • Neurosurgery
  • Oncologic Surgery
  • Reconstructive Surgery
  • Tibial Plateau Leveling Osteotomy (TPLO)
  • Thoracic Surgery
  • Triple Pelvic Osteotomy (TPO)
  • Total Hip Replacement
  • Urogenital Surgery


Appointments are by referral basis Monday through Sunday. Surgical emergencies can be seen through the surgery department during those times, or through Veterinary Emergency and Critical Care at any time.

Please call us with any questions at 702-871-1152


The Las Vegas Veterinary Specialty Center is a specialty practice comprised of dedicated, board certified and residency trained doctors, licensed veterinary technicians, and support teams who are highly trained in cardiology, internal medicine, oncology, ophthalmology, surgery, neurology, and physical rehabilitation.

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