Riverbrook is staffed by knowledgeable and caring professionals who are sensitive to the needs of you and your pet. As pet owners themselves, each staff member values the importance of pets as family members and is eager to assist you with any questions you may have about your pet’s health.

Dr. Jana Layton, DVM

Riverbrook Animal Hospital was started by Dr. Robin Johnson in 1998. Dr. Layton started working at Riverbrook in June 2007 and purchased the practice from Dr. Johnson in March 2009. Dr. Layton considers it a true gift to have the opportunity to carry on the mission of Riverbrook Animal Hospital. The hospital will continue to strive for providing exceptional care, customer service and making a positive impact on all the lives the hospital comes in contact with. A commitment to continued education and training for the entire staff so they may provide the best veterinary medicine possible is a vision passed on by Dr. Johnson and embraced by Dr. Layton.

Dr. Layton was born in Tulsa and raised in Claremore, Oklahoma. She completed her undergraduate degree in biological science at the University of Tulsa in 1994. After spending a summer working on her dad’s farm, she decided to merge her love of animals and devotion to science into a career in veterinary medicine. Dr. Layton received her Doctor of Veterinary Medicine degree from Oklahoma State University in May of 2000.

Her pet family consists of two Pitbulls named Tigger and Winnie and three cats: Phoebe, Elliott and Sambino. Aside from her love of animals, Dr. Layton is active in her church and loves to garden, read, knit, and play the banjo.

Dr. Lauren Davied, DVM

Dr. Lauren Davied has cared for pets as a general practitioner at Riverbrook Animal Hospital since February of 2011. Born and raised in Tulsa, Dr. Davied is a graduate of Tulsa Memorial High School. She loves animals and is passionate about veterinary medicine. Strengthening and improving the human-animal bond is very rewarding for her and she enjoys interacting with clients and their pets each day.

Dr. Davied attended Oklahoma State University and received her Bachelor’s Degree in Animal Science (with an emphasis on pre-veterinary medicine) in 2006. She continued her veterinary education at the Oklahoma State University College of Veterinary Medicine and was awarded her Doctorate of Veterinary Medicine in 2009.

Internal medicine, ophthalmology and surgery are among her many professional interests. She is a member of the Oklahoma Veterinary Medical Association, Tulsa’s Young Professionals, Forte! and is a Kappa Alpha Theta Alumni.

Outside of the hospital, she enjoys music, painting, working on her house, and spending time with her friends and family. She shares her home with two rescue pets, an Australian Shepherd named Sydney and a Rottweiler named Clyde.




Dr. Jessica Collins, DVM

Dr. Jessica Collins started with Riverbrook Animal Hospital as a general practitioner in May 2018. She grew up in the Tulsa area and graduated from Broken Arrow High School. She attended Eastern Oklahoma State College and then transferred and finished her undergraduate degree in Natural Resources and Agricultural Sciences at Oklahoma State University. While attending Eastern Oklahoma State College in 2012 she was named “outstanding pre-vet major”.

Dr. Collins graduated from Oklahoma State University College of Veterinary Medicine and received her Doctorate of Veterinary Medicine in 2018. Being a veterinarian has always been her passion, her mother Kari told her to choose a career for which she is passionate and excited to go to everyday. She has a special interest in ophthalmology and surgery.

She lives in Coweta with her fiance, cat - Preston and dog - Chester. In her spare time she loves listening to music, going to the movies and out to eat with her fiance, cross-stitching, reading, camping and “hammocking”.





Karen has been working for Riverbrook Animal Hospital since May 2000. She works in the back as a treatment technician and also does a wonderful job grooming the dogs & cats that come in for baths, shaves & nail trims. Born in Atlanta, Georgia and raised in Chicago, Illinois, she has lived in the Tulsa area since 1997. She has several different kinds of pets in her family including dogs, cats, a tortoise, a rabbit, a guinea pig, ducks, geese, chickens and birds. Karen enjoys bird watching. She has been married since 1972, has 2 children & grand children from each.



Karen has been working for Riverbrook Animal Hospital since October 2008. She stepped into the management position April 2015. She also works as a receptionist, technician and treatment technician. She was raised in Tulsa, Oklahoma. Her pet family consists of a Lab/Pit Mix Lolli, a pitbull named Pita and her cat Snickers. Karen enjoys spending time with friends, yoga, cooking, watching sports, traveling, & volunteering at her church.


Julee has been working for Riverbrook Animal Hospital since November 2010 as one of our technicians. One of her specialties is in helping to handle challenging cat patients, helping to make them as comfortable as possible. She was born & raised in Tulsa, Oklahoma. Her pet family consists of different kinds of animals including dogs, cats, rabbits, snakes and a hedgehog. Julee enjoys photography, screen printing, woodburning, wood/acrylic pen turning, crocheting, cross stitching, reading, baking and decorating cupcakes, crafting, going to the range, showing some of her rabbits at shows, running in fun runs like the Color Run or Glow Run, hunting, hiking, fishing, web design, spending time with family & going to church.



Tori has been working for Riverbrook Animal Hospital since April 2015 as one of our technicians and receptionists. She was born in Cushing, OK raised in Tulsa, OK. Her pet family consists of a Chihuahua named Bella, a cat named Sasha, and 1 snake named Rick. Her favorite holiday is Halloween. Tori enjoys volunteering at the zoo, outdoor activities such as riding bicycles, playing volleyball, fishing and hiking, shopping, arts and crafts, painting nails, and spending time with family and friends.


Jordan, R.V.T.  

Jordan has been working for Riverbrook Animal Hospital since July 2015 as one of our technicians. She was born and raised in Tulsa, Oklahoma. She graduated from the veterinary technician program from Tulsa Community College in May 2015. Her pet family consists of three dogs and several cats. Jordan enjoys reading, watching movies, cooking, baking and spending time with friends and family.




Hilary has been working for Riverbrook Animal Hospital since August 2016 as one of our receptionists. She was born and raised in Tulsa, OK. She is married and has two beautiful little girls. She enjoys cooking, arts and crafts, spending time with her family and friends, kayaking, watching funny classic movies and reading. Her humor, encouragement and warmth are just some of the reasons she’s so loved at Riverbrook. 




(bio and photo coming soon)




Amber has been working for Riverbrook Animal Hospital since February 2018. She went to Berryhill highschool and graduated in 2010. She then went to and graduated from TCC with her associates degree. Pursuing her veterinary assisting career she attended Community Care College and graduated at the top of her class in Veterinary Assisting. She began working in the veterinary field in late 2016. Her hobbies include doing anything with her daughter, anything outdoors (fishing, camping and building things), arts and crafts and disc golf. Her pet family consists of a Blue Heeler named Lola, a Maine Coon mix named Bernard and 5 chickens - Rosemary, Basil, Sage, and Hay-Hay.  Her daughter, parents, grandpa and brother mean everything to her.




Mattie has been working for Riverbrook Animal Hospital since July 2018. She was born and raised in Tulsa, Oklahoma. She worked at Riverbrook Animal Hospital from 2014-2015 as well but moved to Colorado and Missouri for a few years before landing back in Oklahoma. She graduated from Tulsa School of Arts and Sciences. Her hobbies include loving all animals, baking, watching horror movies and good food and drink.