Mesa Veterinary Hospital

Meet the Team at Mesa Veterinary Hospital

It takes a dedicated team of doctors, assistants, technicians, office staff, and specialists to ensure that your pet receives the very best care. We are united in our commitment to excellence and to developing meaningful, long-term relationships with our clients and their pets. On behalf of our entire team, we look forward to meeting you. Please utilize the following pages to get to know our doctors and support staff.

Dr. Stefan Rachwal

Stefan Rachwal


Veterinarian and Partner

Dr. Stefan Rachwal grew up in Lakewood and came to us as a student at Wheat Ridge High School as ...

Dr. Steve Batch Veterinarian

Steve Batch


Veterinarian and Partner

Dr. Batch is originally from Helena, Montana, and grew up in the Golden area. He joined Mesa Veterinary Hospital in ...

Dr. Christine Horst Veterinarian

Christine Horst


Veterinarian and Partner

Dr. Horst is from Golden, Colorado and is a mom to two awesome boys. She tries to mountain bike as ...

Kitren Nickerson


Veterinarian and Partner

Originally from Colorado Springs, Dr. Nickerson joined the Mesa team in 2006.  She is a practicing veterinarian and partner in ...

Julia Katzenbach


Associate Veterinarian

Dr. Katzenbach hails from a northwest suburb of Chicago and attended the University of Illinois for both her undergraduate and ...

Alison McNeilly


Associate Veterinarian

Dr. McNeilly grew up in Western NY. After graduating with her undergraduate degree in 2003, she packed up and moved ...

Sarah Levine


Associate Veterinarian

Dr. Levine grew up in Massachusetts and attended Colby College in Maine for her undergraduate degree. She then moved to ...

Marie Walker


Associate Veterinarian

Dr. Walker grew up in Colorado Springs, Colorado. She left this beautiful state to attend St. Olaf College in Northfield, ...

Hayley Dieckmann


Associate Veterinarian

Dr. Dieckmann grew up in Oakland, CA where her best memories were exploring the coast, riding horses and traveling with ...

Kelsey Hamilton

Hospital Manager

Kelsey grew up in Tupper Lake, NY and has been with Mesa since 2014. She has a bachelor’s degree in ...


Administrative Assistant

Tanya is originally from Appleton, WI. She graduated from CU Denver and Bel-Rea Institute, and then started as a Certified ...

Anthony C.

Anthony R.

Yesica Our Certified Veterinary Technician


Certified Veterinary Technician Supervisor

Yesica received her Associate of Applied Science in veterinary technology and has been with the practice since 2015. She enjoys ...


Certified Veterinary Technician

Cheryl is from Lakewood, CO and received her Associate of Applied Sciences in animal technology at Bel-Rea Institute. She has ...

Anthony R.

Certified Veterinary Technician

Bio coming soon!

Elizabeth Certified Veterinary Technician


Certified Veterinary Technician

Elizabeth joins us from Darlington, WI, where she graduated with a BA in finance from the University of Wisconsin. In ...

Kristen Our Veterinary Technician


Certified Veterinary Technician

Kristen is from Onalaska, WI and has an Associate of Applied Medicine in veterinary technology. She loves being busy and ...

Sam Certified Veterinary Technician

Sam P.

Certified Veterinary Technican

Sam is from Kapolei, Hawaii and graduated from the University of Oklahoma in 2016 with her Bachelor’s Degree in Chemical ...


Certified Veterinary Technician

Ellie is from Orange County, CA and received her BS in Animal Sciences from Oregon State University in 2015. She ...













Veterinary Assistant, Client Service Representative

Alexis was born and raised in Colorado. She loves taking advantage of living in this beautiful state by doing outdoor ...

Anthony C.

Building Maintenance

Bio coming soon!


Animal Care Attendant Supervisor

Annmarie is from Thornton, CO and holds an associate's degree in Art. She has been with our practice since April ...


Animal Care Attendant

Brendan is from Arvada, CO and has always grown up with animals in his life. He has had dogs, cats, ...

Chrysann Our Support Staff


Support Staff

Chrysann has been with the practice since 1977! In her spare time, she loves gardening and baking.

Denise Our Veterinary Assistant


Veterinary Assistant

Denise is a veterinary assistant at Mesa Veterinary Hospital. She received her Bachelor’s in Chemistry and her Master’s in Geology. ...

Elise Our Animal Care Attendant


Technician Assistant, Animal Care Attendant

Elise joined the team a year and a half ago and shares a loving bond with her three dogs at ...

Hillary Our Veterinary Assistant Supervisor


Veterinary Assistant

Hillary is from Syracuse, NY. She is a graduate of Onondaga Community College and has been with the practice for ...

Ivy Animal Care Attendant


Technician Assistant, Animal Care Attendant

Ivy is from Brandon, FL and has been with the practice for three years. She loves getting to know all ...


Veterinary Assistant

Levi grew up in Conifer, CO so he naturally loves the mountains and enjoys outdoor activities like hiking. He was ...

Lynn Our Veterinary Assistant


Veterinary Assistant

Lynn was born in Tupelo, MS and raised in Skokie, IL before moving to Colorado. She has enjoyed hiking up ...


Veterinary Assistant, Client Service Representative

Originally from north New Jersey, Melissa graduated from Drew University with a BS in Psychology and Philosophy. She moved to ...

Paulina Veterinary Assistant


Veterinary Assistant, Client Service Representative

Paulina was born in Guadalajara, Mexico, and raised in Broomfield, CO. She attended the PIMA Medical Institute and Metropolitan State ...


Animal Care Attendant

Ronin was born and raised in Colorado and he has always loved animals. He has three dogs and a cat ...


Client Service Representative

Sandra feels that her dream position was realized when she had the honor of joining the Mesa family team in ...

Suzzy Our Client Service Representative


Client Service Representative Supervisor

Suzzy was born and raised in beautiful Colorado and loves interacting with people and their pets. She especially likes to ...


Animal Care Attendant

Traci is currently pursuing an Associate of Science degree with a designation in Biology. She aspires to attend CSU's College ...

Providing Quality Care for Your Pets
Our Lobby is Open!

6/22/21: We are happy to welcome our clients back into the lobby! The hospital is open but we do require that face masks be worn inside for anyone who wishes to enter. Please call us with any questions or concerns at 303-237-9542. Our team can also be reached by email at