LVVSC doctors provide knowledgeable, skilled, and compassionate care. Our doctors and staff set high standards, and challenge themselves daily to meet them. We understand the importance of the patient to you, and we greatly appreciate your trust in us to deliver optimum results.

Our board certified veterinarians have in-depth training and are highly experienced. They are supported by other skilled staff, including licensed rehabilitation doctors, nurses, and technicians who are well prepared to deliver the care your pet deserves. They monitor patients around-the-clock while providing timely communication throughout the process.


Scott Forney, DVM, DACVIM Cardiology

Special interest and clinical research – cardiovascular biomarkers in diagnosis of heart disease

Board-certified in Small Animal Internal Medicine; Cardiology, American College of Veterinary Internal Medicine

Las Vegas Veterinary Specialty Center, 2008 – present

Internal Medicine

David Burgener, DVM, DACVIM

Special interest – cardiovascular disease, gastroenterology, endoscopic procedures

Board-certified in Small Animal Internal Medicine, American College of Veterinary Internal Medicine

Las Vegas Veterinary Specialty Center, 2006 – present

Las Vegas internal medicine consulting practice, 1990 – present

Small Animal Internal Medicine Specialty Practice, Phoenix AZ, 1988 – 2001

Assistant Professor of Small Animal Medicine, Michigan State University, 1987 – 1988

Residency in Internal Medicine and Oncology, Michigan State University, 1984 – 1987

Internship, Angell Memorial Animal Hospital, Boston, MA, 1981 – 1982

Colorado State University, DVM, 1981

University of Arizona

Nicole Smee, DVM, MS, DACVIM

Special interest – urinary tract disorders. In addition to receiving numerous awards and honors while at Kansas State University, Dr. Smee has published many research papers and taught numerous veterinary courses and lectures.

Las Vegas Veterinary Specialty Center, 2014 to present

Midwest Veterinary Imaging Associates Consultant, 2012 to 2014

VCA Mission, Small Animal Internist and Internship/Externship Coordinator, 2012 to 2013

Kansas State University, Small Animal Internal Medicine Residency and Masters in Clinical Sciences, 2009 to 2012

Veterinary Specialty Center of Lynwood, WA, Small Animal Intern, 2008 to 2009

Kansas State University, Doctor of Veterinary Medicine, 2004 to 2008

Board-certified in Small Animal Internal Medicine, American College of Veterinary Internal Medicine

Diplomate of the ACVIM, Specialty of Small Animal Internal Medicine

Erin McQuinn, DVM, Practice Limited to Internal Medicine


Andrew Vaughan, DVM, MS, DACVIM Oncology

Medical Oncologist, Las Vegas Veterinary Specialty Center 2006 – present

Board-certified in Oncology, American College of Veterinary Internal Medicine

Numerous scientific publications in fields of research including canine lymphoma and leukemia, osteosarcoma, and targeted chemotherapeutics

Special interests – investigation of novel targeted therapies for canine and feline cancers

Member of the Executive Board of the Animal Foundation, 2012 – present

Member of the Executive Board for the Veterinary Cancer Society, 2010 – 2013

Medical Oncology Residency, North Carolina State University, 2006

Rotating Small Animal Medicine & Surgical Internship, North Carolina State University, 2002-2003

Veterinary College, University of Prince Edward Island, DVM, 2002

University of California, San Diego, MS, 1998

Saint Mary’s University, BS, 1996

Outside interests include cycling, hiking, camping, canyoneering, skiing and spending time with family and friends

Holly Burr, DVM, DACVIM Oncology

Las Vegas Veterinary Specialty Center, 2011- present

VCA Animal Care Center of Sonoma County, 2010-2011

Residency in Medical Oncology, Tufts University, 2007-2010

Internship in Medical Oncology, Animal Cancer Care Clinic, 2006-2007

Hospitalist, Veterinary Specialists of South Florida, 2006-2007

Internship in Internal Medicine and Surgery, Veterinary Specialists of South Florida, 2005-2006

University of Wisconsin – Madison, DVM, 2005

University of Utah, BS, 1999

Ashley Bennett, DVM, DACVIM Oncology

Medical Oncologist, Las Vegas Veterinary Specialty Center 2016 – present

Board-certified in Oncology, American College of Veterinary Internal Medicine


William Weinstein, DVM, MS, DACVO

Special interests – mixed animal ophthalmology, including treatment of small and large animals, as well as exotic patients

Board Certified in Ophthalmology, American College of Veterinary Ophthalmology

Las Vegas Veterinary Specialty Center, 2009 – present

Research and publications involve canine Glaucoma and identification of molecular factors (matrix metalloproteinases) associated with the disease


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.

Jenna Lubitz, DVM

Dr. Lubitz, originally from the east coast, completed her DVM at Michigan State University. She then moved to New Jersey where she completed a one year rotating internship at Red Bank Veterinary Hospital.


Dana Gietzen, DVM, Practice Limited to Neurology

Dr. Dana Gietzen was born and raised in Minot, North Dakota. She attended North Dakota State University for her undergraduate studies in Microbiology (Go Bison!). She then obtained her veterinary degree from Iowa State University. After graduation, she completed a one year internship at ISU in critical care and emergency. This was followed by a one year surgical internship at Metropolitan Veterinary Hospital in Akron, Ohio. It was here where her interest in neurology began and she stayed on to complete a Neurology/Neurosurgery Residency.

After a lifetime of cold weather, Dr. Gietzen decided to try her hand at hotter temperatures and moved to Austin, Texas. She worked at a private practice for over three years before joining the team at LVVSC. She enjoys treating complicated seizure cases, CNS inflammatory disease, and all aspects of neurosurgery. When not at work, she is often spending time with her dog Maija (loves to paddle board) ad two cats, Frankenstein and Igor.


Jill Singsank-Coats, DVM, DACVAA

Special Interests- Pain management & local anesthesia, management of anesthesia for thoracic and airway procedures, and ruminant anesthesia

Las Vegas Veterinary Specialty Center, 2015- present

Research in inhalant anesthetic (Sevoflurane) sparing effects of Propofol infusions in dogs

Residency in Anesthesia, The University of Tennessee, Knoxville, TN, 2011-2014

Small Animal Rotating Internship, Kansas State University, Manhattan, KS, 2010-2011

Ross University School of Veterinary Medicine, 2006-2010

University of St. Thomas, St, Paul, MN- BA Biology & Spanish, 2006

Outside interests include cooking, coffee shops, hiking, and spending time with her husband, Charles, and their chocolate Labrador Retriever and two cats.

Diagnostic Imaging/Radiology


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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