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221 W. County Line Rd. Littleton, CO 80129


Beth A. Lewis - DVM Board Certified Surgeon
Diplomate American College of Veterinary Surgeons

Dr. Lewis is originally from Corydon, Indiana where she grew up on a popcorn farm near the border of Kentucky. She traveled to the University of California, San Diego for her undergraduate studies to obtain a BS in Neurophysiology. She returned to her home state of Indiana in 1998 to attend veterinary school at Purdue University. After graduating from Purdue in 2002, Dr. Lewis participated in a small animal rotating internship at the University of Illinois, Champaign/Urbana. Wanting to further develop her surgical skills she also participated in a small animal surgical internship the following year at the Dallas Veterinary Surgical Center in Dallas,Texas. Dr. Lewis completed a three year surgical residency at Mission MedVet in Kansas City in May of 2007. She joined the team at Colorado Veterinary Specialists in the summer of 2007 and became co-owner of the practice in 2012.  Dr. Lewis enjoys the mountains and being close to the rest of her family. She currently performs orthopedic, neurological, and soft tissue procedures. Her surgical interests include oncologic procedures, minimally invasive techniques and skin reconstructive techniques. Her personal interests include hiking, snowboarding, Ultimate Frisbee and spending time with family.

Darren Imhoff -  DVM Board Certified Surgeon
Diplomate American College of Veterinary Surgeons

Originally from Ann Arbor, Michigan, Dr. Imhoff received his bachelor’s degree from Princeton University.  He worked as a both an economics consultant and then as a carpenter and cabinetmaker prior to becoming a veterinarian.  In 2006, he enrolled at the University of Illinois College of Veterinary Medicine, where he received his DVM in 2010.  Dr. Imhoff then moved to Fort Collins where he completed a 1-year internship in small animal medicine and surgery.  He stayed at Colorado State University to complete a 3-year small animal surgery residency and Master’s degree in Clinical Sciences.  Dr. Imhoff has been working in the Denver area since 2014 and recently joined CVSG. 

Dr. Imhoff enjoys all aspects of small animal surgery, and has a particular interest in minimally invasive procedures for both orthopedics and soft tissue surgeries. 

When not working, Dr. Imhoff enjoys spending time playing, hiking, biking, and skiing with his wife, their two sons, and their Safe Harbor Lab Rescue, Toby. 


Milan Hess - DVM, MS Board Certified Reproductive Specialist
Diplomate American College of Theriogenologists

Dr. Hess attended Colorado State University for both undergraduate and veterinary school. She then completed an internship in small animal medicine, surgery and critical care at Alameda East Veterinary Hospital in Denver. Dr. Hess completed a three year residency in theriogenology (reproduction) at Virginia Tech. Dr. Hess joined Colorado Veterinary Specialists as a small animal reproductive specialist in 2002 and became co-owner of the practice in 2012.

Dr. Hess is a member of the American Kennel Club's Canine Health Foundation Grants Committee and serves as a  theriogenology consultant for the Veterinary Information Network (VIN).

Milan is an active competitor with her curly-coated retrievers and Dutch shepherd in multiple dog sports including conformation, agility, hunt tests, tracking, and obedience.


Sandy Wang - DVM Board Certified Radiologist
Diplomate American College of Veterinary Radiology

Dr. Wang attended the University of California at Davis for veterinary school. She then completed an internship in small animal medicine, surgery and critical care at Alameda East Veterinary Hospital in Denver. Following her internship, Sandy worked in private practice in the Denver area. Sandy completed a residency in radiology at North Carolina State University and has been working with Colorado Veterinary Specialists since January of 2005.


Carrie Ginieczki - DVM, MS Board Certified Cardiologist
Diplomate American College of Veterinary Internal Medicine (Cardiology)

Dr. Carrie Ginieczki received her Doctorate of Veterinary Medicine from the College of Veterinary Medicine at Texas A&M University.  She then pursued a rotating small animal internship at Purdue University Veterinary Teaching Hospital.  Following her internship, Carrie completed a combined cardiology residency and Masters program at the College of Veterinary Medicine at Purdue University.  Immediately following her residency, she achieved board certification in the discipline of veterinary cardiology through the American College of Veterinary Internal Medicine.

During her time at Purdue, Dr. Ginieczki was thoroughly trained in echocardiography, the clinical discipline of veterinary cardiology and catheter-based techniques that offer minimally invasive options at correcting congenital heart disease.  She also performed research and published articles related to many aspects of veterinary cardiology.  Topics she has covered include therapy for Atrial Fibrillation, anticoagulant therapy and pacemaker patients. 

Dr. Ginieczki is the founder and sole owner of Colorado Veterinary Cardiology.  She has a passion for assisting clients and their family veterinarians in diagnosing and treating dogs and cats with heart disease.  She has a particular interest in treating subclinical heart disease (heart disease in patients without clinical signs), congestive heart failure and feline heart disease.  Dr. Ginieczki lives in Evergreen, Colorado with her husband, son, cat and the many wild animals that visit their home daily.  She is an active mountain biker, rock climber, cross-country skier and yogi.

Emergency/Critical Care

Laura Russell, DVM

Dr. Russell grew up on a cattle ranch and wheat farm in Roggen, Colorado.  She knew she wanted to be a veterinarian from the time she was three and followed her uncle—a large animal veterinarian—around from an early age.  She obtained her BS in Microbiology followed by her DVM degree from Colorado State University.   She is currently finishing a PhD in Cellular and Molecular Biology with an emphasis in Neuro-oncology and Immunobiology from the same institution.  She is a diehard Rams fan who never takes for granted being a Colorado native—loving camping, fishing and sports including basketball, rugby, running and snowboarding.  Though livestock medicine will always hold a place near and dear to her heart, Dr. Russell has narrowed her focus to Emergency Medicine and Critical Care, as well as oncology.  She is specifically fascinated with novel, minimally invasive therapeutics and techniques for treatment of cancers when traditional approaches are unsuccessful.  Dr. Russell is married and lives with her partner and their soul dog Tyrone Rae and mutant cat Kulu Dobby (she does not play favorites).

Jesse Strong, DVM

Dr. Strong is originally from Newport, KY and received her Bachelors of Science degree in Environmental Science from the University of Cincinnati in 2000.  She graduated from The Ohio State University in 2009 with her Doctorate of Veterinary Medicine and immediately went into practice as an emergency veterinarian at a large 24 hour referral and emergency animal hospital in Cincinnati, OH.  Dr. Strong has worked in the veterinary field for over 15 years and in emergency medicine for 12 years.  Dr. Strong relocated to Colorado at the beginning of 2014 with her husband, who operates the new Habitat for Humanity ReStore in Conifer.  In her spare time, she enjoys spending time with her energetic pit bull and 3 cats.  Dr. Strong is hoping to tackle some of Colorado's 14ers and enjoys hiking, camping, rock climbing and fishing.  Her professional interests include toxicology and trauma, as well as organized veterinary medicine.  

Litto Suu, DVM

Dr. Litto Suu received her Doctor of Veterinary Medicine and BS in Biology from Colorado State University. She was born and raised in India, and moved to Colorado to complete her college education. She worked at a busy general and 24 hour emergency practice before joining the CVS and Animal ER team. Her professional interests include anesthesia, pain management, and critical care. She has a rambunctious, one-eyed bandit cat and a hyper, chocolate Labrador. In her spare time, she enjoys rock climbing, 14ers peak bagging, and backpacking, but most of all, traveling to experience various cultures.

Carolina Orellana Rosell, DVM

Dr. Orellana was born and raised in Caracas-Venezuela where she first obtained her BS in Economics. In 2002 she moved to her family's hometown in Barcelona-Spain to attend veterinary school. After graduation in 2008, she started working in the emergency field before completing a one-year Small Animal Rotating Internship in the Universitat Autònoma de Barcelona. Dr. Orellana decided to pursue professional development in the US.  While obtaining her license to practice veterinary medicine in the US,  she went back to her previous emergency position for a few more months and worked as a veterinary technician at the Denver Dumb Friends League shelter. By December 2014 she completed the ECFVG program and obtained her DVM degree. Her first job as a Doctor in the US was at Denver Pet Urgent Care were she gained valuable surgical experience before joining the team at CVS and Animal ER to continue working as an emergency clinician which is what she has always enjoyed the most. When she is not working, studying or volunteering at the Denver Animal Shelter performing routine spay and neuters, she spends all her free time with her family. Dr. Orellana loves taking her 2 dogs Bella and Maximus on fun walks, spoiling her two cats Muskis and Minunis and taking care of  foster kittens while they recover from orthopedic problems to be adopted at the shelter. She also tries to ride her bike regularly and to escape once or twice a year to go spend time next to the ocean that she loves. 

Wendy Herlihy - DVM

Dr. Herlihy graduated from Colorado State University Veterinary school.  She then went on to complete a small animal emergency and rehabilitation internship at the Fort Collins Veterinary ER and Rehabilitation Hospital. Dr. Herlihy currently works both in rehabilitation medicine and in the emergency room, her two professional interests.  She also brings a bit of rehabilitation medicine to the ER by performing acupuncture on patients that would benefit. Prior to veterinary school, Dr. Herlihy was a mountaineering and climbing instructor for the National Outdoor Leadership School in Lander, Wyoming.  During that time she also raced sled dogs throughout Canada and the American west, representing the Caribou Creek Racing Kennel.  Her favorite race was the Pedigree Stage Stop Sled Dog race that runs 300 miles from Jackson, Wyoming to Park City, Utah. Her experiences racing dogs inspired her to go to veterinary school after ten years of teaching in the mountains. She currently lives in Golden with her husband and two pups,  “bad dog” Sage and “old man” Bo.

Veterinary Topics