Our Team

Dr. Joyce Pedersen, ACVIM

is board certified in small animal internal medicine. She joined Redwood Veterinary Clinic in 2003. Dr. Pedersen received her Doctorate of Veterinary Medicine from Louisiana State University. She then completed an internship in small animal medicine and surgery at Michigan State University and a residency in small animal internal medicine at Cornell University. Dr. Pedersen is specifically interested in hematology, oncology,endocrinology, and dermatology as well as liver and kidney disease. Before moving to Sonoma County in 2003, Dr. Pedersen had practiced in New York as well as the San Francisco Bay area and brings a wealth of knowledge and experience to our practice.

Dr. Stacey Llanes, DVM.

Dr. Stacey Llanes was born and raised in Sonoma County, CA. She attended Sonoma State University and obtained her Bachelor of Science in Biology with an emphasis in Animal Physiology. Dr. Llanes attended the University of California at Davis School of Veterinary Medicine. Her hobbies include spending time with her husband and two children, horse back riding, and attending competitions with her family's German Short-Haired and German Wire-Haired Pointers.

Dr. Richard Hoskins, DVM.

Doctor Hoskins joined the staff in 1990. His interests in veterinary medicine are broad. As a team member Dr. Hoskins offers a diversity of services, surgical and diagnostic, for the patient/client.

Dr. Sarah Lee, DVM.

Dr Lee is a San Francisco Bay Area native. She received her B.S. degree in Psychology from U.C. Davis in 2004. After graduating from U.C. Davis Dr. Lee moved to southern California and received her Doctorate of Veterinary Medicine at Western University of Health Sciences Veterinary School in 2008. During school she worked with various local Humane Societies and animal rescue groups. Dr. Lee has a special interest in avian and exotic animal medicine. After graduating she accepted a position at Berkeley Dog and Cat Hospital as a general practitioner with mentorship by Dr. Harkewicz, exotic animal specialist. Dr. Lee joined Redwood Veterinary Clinic in 2010 originally as an emergency clinician and now takes appointments week days for Redwood Veterinary Clinic.

Dr. Cynthia Heiller, DVM.

has been with the Emergency Animal Hospital of Santa Rosa, an affiliation of Redwood Veterinary Clinic, since 1999. Dr. Heiller began her veterinary career as a licensed veterinary technician. She received her Doctorate of Veterinary Medicine from Colorado State University. She has been a practicing veterinarian since 1972. Dr. Heiller spends much of her free time training and showing German Wirehaired Pointers with over ten dogs currently, most of which are actively in shows and trials!

Dr. Sergio Espinosa, DVM

In August of 2015 we were thrilled to announce the addition of veterinarian Dr. Espinosa to the Emergency Animal Hospital of Santa Rosa's team and welcome him back! Dr. Espinosa was born in Mexico and moved to Sonoma County at the age of 4. he joined Redwood Veterinary Clinic in 2004 as a veterinary technician while attending Sonoma State University. In 2010, he left for veterinary school to attend St. George's University in Grenada and completed his clinical year at the University of Florida. After graduating in 2014, he went on to complete a one-year small animal rotating internship at Miami Veterinary Specialists in South Florida. he is happy to be back home in the Bay Area and practicing veterinary medicine here at the Emergency Animal Hospital of Santa Rosa.

Dr. Susan Ostapak, DVM

Dr. Ostapak joined our Emergency Animal Hospital of Santa Rosa staff in 1998 as an emergency veterinarian. She is also a veterinarian for the San Francisco Zoo and is active in many projects worldwide.

Dr. Sean Wells, DVM, ACVS.

Dr. Wells is a board certified veterinary surgeon that comes into our clinic on call as needed. His surgical interests include orthopedic and oncologic surgery with a special interest in minimally invasive techniques, reconstructive procedures, and joint replacement. Dr. Wells is a welcome addition to the Redwood Veterinary Clinic team!

Lydia Nunez, RVT.

Lydia has been a part of the Redwood Veterinary Clinic team since 2007. Working at both the Emergency Animal Hospital of Santa Rosa and Redwood Veterinary Clinic has given her a good overall view of our practice and led her into a supervisory role for us. Ms. Nunez graduated from Santa Rosa Junior College's Veterinary Technician program in 2009 and currently attends Dominican University to complete a degree in business. In Ms. Nunez's spare time she runs Special Pets Rescue - a dog rescue nonprofit. The link for this successful and helpful service is found on our link page.

Gail McGuffey, RVT.

Gail has been a Redwood Veterinary Clinic staff member on and off dating back over 30 years. She returned in 2013 and works part time for the Emergency Animal Hospital of Santa Rosa. She is a well known dressage trainer and has competed and trained both nationally and internationally. Gail has rescued multiple Shar Pei pups.

Sarah Harris, RVT.

Sarah is a vital member of the Redwood Veterinary Clinic team. She manages our lab and assists with surgeries and treatments. In her spare time she enjoys horseback riding, especially eventing which combines the three disciplines of dressage, cross country, and show jumping. She also loves to travel far and wide. Her side kick "Shelby", a very personable rescued chihuahua, keeps us entertained throughout the day.