Meet Our Team

At Cortaro Farms Pet Hospital we strive to offer not only sound advice, but also optimal veterinary care, thus allowing you the enjoyment of your companion for a maximum number of years. Our job is not only to treat your pet when he or she isn’t feeling well, but also to help you learn how to keep your best friend happy and healthy.

Dr. Linda J. Lueth

Dr. Lueth grew up in a small town in central Michigan. She earned a B.S. in Biology at Central Michigan University. Before attending veterinary school, Dr. Lueth worked in the family electrical supply distribution business. She is a 1999 graduate of Michigan State University, College of Veterinary Medicine. Following graduation, Dr. Lueth completed a rotating internship at Southwest Veterinary Specialty Center in Tucson, Arizona. After a brief return to her home state of Michigan, Dr. Lueth spent most of the next eight years working in emergency medicine in the Tucson and Phoenix areas. Dr. Lueth joined Cortaro Farms Pet Hospital in 2007.

Dr. Lueth is a member of the American Veterinary Medical Association, the Southern Arizona Veterinary Medical Association, and the Michigan Veterinary Medical Association.

When not at work, Dr. Lueth enjoys hiking, skiing, and woodturning. She lives in Northwest Tucson with her family, including a yorkie, a lab-pointer mix, a 100% pure-bred mutt, and three large cats.

Dr. Phillips

Dr. Phillips has been a Tucsonan since 1960. Through the years, she has had a family of beloved pets – cats, dogs, horses, birds, fish, hamsters, and a chinchilla.  She graduated from Canyon del Oro High School and the University of Arizona.  After receiving her DVM from Colorado State in 1987, she returned to Tucson to practice small animal medicine – general and emergency.

Her hobbies include growing African violets (and any plants indoors and outside), reading, working puzzles and dog walking.

Support Staff

Tammy Moore, CVT Clinical Operations Manager

Tammy joined our hospital in September 2011, as Clinical Coordinator. She is a certified veterinary technician with more than twenty years of experience, both in technical and administrative management positions. She began her career as a veterinary assistant in general practice and quickly discovered the exciting opportunities of specialty medicine. Tammy worked in internal medicine for 10 years, and then in emergency for 4 years, as supervisor. Most of her leisure time is spent with her husband, Steve, and their son, Tyler.

Diane Arellano, Veterinary Assistant

Diane grew up right here in Tucson. She attended Sunnyside High School and went on to attend Pima Community College. Diane has always loved animals and has had cats and dogs her whole life. Diane has worked at CFPH for many years and remembers well the many lives she has touched, including Gus Gus, a hit by car she helped save. She has two dogs, Cambi the Golden Retriever and Czech a New Zealand Huntaway, and one kitty, Cuba, who is small but mighty. When Diane is not at work, she likes to relax with family and friends.

Guadalupe Santillan, Veterinary Assistant

Lupe grew up in Los Angeles, California and moved to Tucson in 2019. She graduated from Penn Foster College with a degree in Veterinary Technology and also holds a Bachelor Degree in Biology. She’s been working with animals for over 10 years and has been loving it ever since. She enjoys her spare time with her 3 Chihuahuas, 2 cats, lizards and her Guinea pig. She also enjoys outdoor activities such as hiking, camping and sight-seeing.

Doreen Carbajal, Client Services

Doreen was born in Arizona but spent the majority of her life in Los Angeles. She moved back to Tucson in 2017 to be closer to her family and joined the Cortaro Farms Pet Hospital team in January 2018. In her spare time she enjoys hiking the local Arizona trails with her dogs Sitka and Loki. She is also an avid fish hobbyist.

Ray Dewyer, Kennel Technician

Ray grew up on the shores of Lake Michigan in Ludington. After 3 years in the Army, including a year in Vietnam, he attended The Institute of Medical Technology in Colorado Springs. His first job as a medical technologist was at Navapache Hospital in Lakeside Arizona. He moved to Tucson in 1974 and worked 19 years at Thomas Davis Clinic and 5 years at Tucson Medical Center. Ray has 2 children, 2 grandsons, 2 dogs, 2 fishponds and 2 large aquariums. He also enjoys gardening and painting in watercolors and acrylics and has done animal sculptures in paper mache. Ray has displayed and sold his art at a local gallery and a galley in Michigan. In his spare time he works for Big Brothers Big Sister of Tucson and as Kennel Technician at Cortaro Farms Pet Hospital.