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We love our patients like members of our own families.
About Us
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Conveniently located in Cary, North Carolina, we provide a wide range of high-quality veterinary care services for dogs and cats throughout the region, including Raleigh, Apex, and Holly Springs.

Mission Statement

At Walnut Street Animal Hospital, we believe in providing high-quality veterinary services for dogs and cats at affordable prices. We love our patients like members of our own families, and their owners love our fair rates.
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Our Team

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Dr. Sunil Kakarla

DVM, Ph.D., Owner
Dr. Sunil Kakarla, an experienced and compassionate veterinarian in Cary, NC, grew up in India. After graduating from the College of Veterinary Medicine in India, he practiced as a companion animal veterinarian for five years in a metropolitan city in India. He moved to the United States in 2005 with a passion for practicing high-quality veterinary medicine in an advanced setting. During that process, he pursued his MS and Ph.D. in a renowned lab at Marshall University in West Virginia.

As a graduate student, Dr. Kakarla performed cutting-edge research and had several high impact publications to his credit. While pursuing graduate studies, he simultaneously completed the North American Veterinary Licensing Exam (NAVLE) in 2010. Soon after this accomplishment, he began volunteering at several local animal hospitals. He completed his clinical experience program and obtained his license to practice in the US the same year.
In 2011, after graduating with a doctoral degree, he joined a small animal practice in Durham/RTP where he established a huge clientele and treated about 6000 to 7000 pets per year.

With his continued passion to provide the best quality veterinary care, he joined the state-of-the-art Walnut Street Animal Hospital in June 2016. As a veterinarian in the RTP area of NC, he strongly believes in quality care for pets and in being available to his patients when needed.

Sunil Kakarla is a member of the American Veterinary Medical Association and has special interests in dermatology and soft tissue and orthopedic surgery, as well as emergency medicine. Dr. Kakarla is married and has a son and a daughter. He enjoys spending quality time with his family, including his 1-year-old Golden-Doodle, Brownie, and a 4-year-old Poodle, Milky. He enjoys serving his community by actively helping rescue groups and shelter pets, and in his free time, he plays volleyball.
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Dr. Victoria Hopson

DVM
Dr. Hopson is a native of North Carolina and is originally from Chapel Hill. Before pursuing her dream of becoming a veterinarian, she proudly served her country as a member of the US Army, the US Army Reserves, and the Army National Guard.

She received her undergraduate degree from North Carolina Central University, majoring in Biology with minors in both Spanish and General Chemistry. Dr. Hopson is a graduate of NC State’s College of Veterinary Medicine and has been working as a small animal clinician for the past 12 years. During that time, she developed a very large and loyal client base.

She has a special interest in feline medicine and is ecstatic to be a part of the Walnut Street Animal Hospital team. She and her husband are proud parents to a son, a daughter, and a very opinionated Pit Bull named Diamond.
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Dr. Samantha Sangster

DVM
Dr. Sangster grew up in Louisville, KY, where she studied biology and chemistry at Georgetown College in the heart of horse country outside of Lexington, KY. She attended Tufts University for veterinary school in Grafton, MA. After graduating, Dr. Sangster participated in a large animal ambulatory medicine internship at Cornell University. She enjoys working with both large and small animal patients. Her clinical interests include internal medicine, parasitology, and dermatology. She moved to NC and joined the practice in 2021. When not in the clinic, Dr. Sangster enjoys spending time with her husband and their menagerie of animals.
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Dr. Phani Madhuri Mummareddi

DVM
Dr. Mummareddy has been practicing as a veterinarian in the USA since 2021. She received her Doctor of Veterinary Medicine degree from one of the reputed universities in India. Then, she worked as a large animal veterinarian for three years at animal husbandry in India. To pursue a higher degree and follow her passion for career advancement, she moved to the United States. She obtained her Master’s degree in Microbiology, Immunology, and Biochemistry from Texas A&M University, Kingsville, TX.

After graduating from her Master’s program, she started volunteering at a few local hospitals in Houston while completing her clinical experience program. She earned her DVM in 2012. She then worked for three years as an emergency veterinarian in Pennsylvania. There, she gained extensive experience in emergency and critical care while working in a 24-hour clinic. Dr. Mummareddy moved to North Carolina in 2015 and has since worked as a general practitioner. Her professional interests include internal medicine, soft-tissue surgery, and preventative medicine, and she has a growing interest in ultrasound.
Dr. Mummareddy is an active member of the American Veterinary Medical Association and the North Carolina Veterinary Medicine Association.

Dr. Mummareddy loves her job and strives to deliver high-quality medical care to enable happy and healthy patients to continually bring joy to their owners. In her spare time, she enjoys spending time with her family and traveling.
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Dr. Patrick Brennan

DVM
BIO Coming Soon.
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Kayla Robinson

Chief Operations Manager
Kayla has been an integral part of our team since she graduated from Anderson University in 2018. She has gained experience with us in just about every role other than veterinarian and is happy to apply that knowledge to her current administrative position. As an aspiring veterinarian, she has always carried a passion for animal health and welfare, and that is evident in her compassionate care towards our patients and their humans alike. When she is not doing vet-related work, you can find her traveling, curled up with a new book, or exploring nature with her camera in hand.
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Sarah Van Staalduinen

Administrative Director
Sarah is an NC State graduate with double majors in Animal Science and Applied Nutrition. She has lived with animals her entire life and has always had a special place in her heart for them. She has been with the company since 2019, and she loves her job. Not only does she have the opportunity to meet new people and pets on a daily basis, but she also gets to help those fur babies stay happy and healthy with their families. Her favorite things to do outside of work include spending time with her furry kiddos; two dogs named Ochi and Denali, and two cats named Juniper and George. When she’s not at work, you can find her hiking with her dog, or taking part in any other activities in which she can include them.
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Jimmie Smith

Practice Manager
Growing up on a farm with horses, chickens, goats, cats, and dogs, Jimmie developed a deep passion for caring for animals. She is currently working on her Veterinary Technician degree in hopes of adding an LVT skill set to her resume. Jimmie lives with her boyfriend, Nick, and they own a dog named Gibbs and a kitty named Cricket. Cricket is a little obsessed with Gibbs, and they are the cutest together! When Jimmie started here at Walnut Street Animal Hospital in 2020, she never imagined she would become our Practice Manager. She is understanding and compassionate when helping with problems and is always here to help the patient and client have the best possible visit. Jimmie hopes to continue growing with our company for years to come while making long-lasting connections with clients and patients.
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Lucy Dombrowski

Surgery Technician
Lucy graduated from SUNY Farmingdale in 1982 as a New York State Licensed Veterinary Technician and has been in the veterinary industry for more than 35 years! She moved to North Carolina in 2008 and worked at Banfield for some years before joining the Walnut Street Animal Hospital family when it opened in the summer of 2016. She has been happily married since August of 1995 and has three dogs and three cats with her husband, Eric. In her spare time, she enjoys reading, needlecrafts, and gardening. She has even made some of the decor we have here in the clinic!
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Josie Whichard

Lead Assistant
Josie (pronouns: she/her) joined our team in March of 2021 while she was finishing up her Associate’s Degree at Wake Technical Community College. Since then, she has finished said degree and is taking a gap year before furthering it. She is an NC Native, and she currently lives with her life partner and their newly adopted fur child, Forest, who is hopefully only the first of many. She enjoys being outside, reading books, and crocheting, as well as learning about dinosaurs, red pandas, and true crime.
Jenna Hackett

Jenna Hackett

Lead Assistant
Jenna joined our team in 2021 and is an undergraduate student at NCSU. She is an animal science major with a pre-vet focus. She plans to attend veterinary school and spend her life working with animals. Jenna has two rescue dogs named Olaf and Marbles. She spends her free time painting and playing the piano, and her favorite animal is the sea cucumber.
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Ron Milano

Veterinary Assistant
Ron is a new resident of North Carolina. Ron, his wife Lexi, and their one-year-old puppy, Luna, recently made the big move from the Northeast to Raleigh. Ron has many years of experience in the animal world, but most recently spent seven years as an EMT. He’s excited to rejoin the veterinary world and help out your furry family members! In his free time, you can find him hiking or relaxing outside with an ice-cold coffee, reading a good book.
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Gracie Manigault

Assistant
BIO Coming Soon.
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Brittany Thompson

Assistant
Brittany has been working with animals since 2017, right after she graduated from high school. She worked as a kennel technician at a doggy daycare for years before joining our family at Walnut Street at the beginning of 2021. She loves every part of her job and earns a great deal of joy from working with our clients and their wonderful fur babies. She has three of her own fur babies at home: Payton Millie, Sylvester James Pussycat, and Willow Grace. Payton is a sweet, spoiled little pomeranian who definitely runs the house. She’s the queen of everyone and everything! Sylvester was adopted in 2021 and very quickly stole Brittany’s heart. He may only have one eye, but that doesn’t stop him from being adventurous and just as happy as a kitty could possibly be. Lastly, Miss Willow is another sweet pomeranian who just has to have things her way. If she doesn’t get what she wants, she’ll make sure it happens one way or another. She’s really the boss, that silly girl.
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Madelin Arbo

Assistant
Madelin is a veterinary graduate from the National University of Asunción in her home country of Paraguay. She is currently going through the educational equivalency certification program to practice veterinary medicine in the United States and is simultaneously working as a veterinary assistant. She especially enjoys soft tissue surgeries and likes understanding all of the puzzle pieces in a clinical case. Her favorite dog breed is a dachshund. She has two back home in Paraguay that live with her sister. Their names are Petunia and Mulan, and she misses them so much!
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Renee Sessoms

Assistant
Renee is a senior in Animal Science at NC State University and has been with us here at Walnut Street since 2021. She’s grown up with pets her whole life and has always had a passion for working with animals. She has worked as an assistant for the past five years, throughout high school and college, at previous animal hospitals. She feels honored to have been given the opportunity to do what she loves and take care of your precious fur babies.
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Joseph Bonin

Assistant
Joseph is a Triangle native who has been working at Walnut Street Animal Hospital since July 2020. He is currently studying to be an ultrasound technician in hopes of specializing in veterinary ultrasonography. In his free time, he enjoys running, exploring the great outdoors, and spending time with his friends and family, including his two dogs, Joey and Moxie.
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Kimmie Crow

Assistant
Kimmie joined our team in 2021 and is currently a senior at North Carolina State University. She is majoring in Animal Science with a concentration in Veterinary Bio-Science and a minor in Zoology. Since the age of 5, she has been very passionate about animals and wanted to work with them. During her free time, she likes to take her two dogs, Mojo and Auggie, on hikes at the park. She also enjoys traveling and exploring new places and cultures.
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Jada Davenport

Assistant
Jada has been a member of our team since 2021 and is currently a student at NC State. She has a plethora of different animals, and her home is nicknamed “The Zoo”. She is owned by a dog, cat, snake, frogs, bearded dragon, cockatiel, fish, and a rabbit. She loves her job and the amazing work that she gets to do! Her favorite activities outside of work include equestrian activities, weightlifting, and spending time with her family and her fur/scaly babies.
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Brittani Rainess

Assistant
Brittani has been a member of our team since 2020 and is currently a veterinary student at North Carolina State College of Veterinary Medicine. She grew up in the Lake Norman area, and she loves spending time in the water. She’s lived in Raleigh for seven years now and graduated in 2015 from NC State with a Bachelor’s Degree in Animal Science - minoring in nutrition.

She has a soft spot for dachshunds and currently owns two named Dobby and Draco. She loves working with animals and holds a special interest in emergency medicine. She can’t wait to help your fur babies during their next visit!
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Kiara Bhiro

Assistant
Kiara originates from New Jersey and is a new resident of the Raleigh area. She graduated in May 2022 from the University of New Haven with a degree in psychology and a concentration in forensics. Kiara is an avid animal lover and grew up with all kinds of pets. In New Jersey, she had a blue-fronted parrot named Amazon, a golden retriever named Cinnamon, and a cat named Mystique. With her in Raleigh, Kiara also has two pittie mixes named Lola and Hela. Over the next few years, Kiara plans on expanding and utilizing her veterinary skills to give the best care to all of our patients. In her free time, she loves cuddling with her animals, dancing, and trying new foods.
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Danietta Gayton

Receptionist
Dani grew up in the heart of the Black Hills in South Dakota, right at the base of Mt. Rushmore in Rapid City. She moved to Cary in the summer of 2021 and started looking to follow her passion for animal care. She joined the Walnut Street Animal Hospital team in November of 2021 and has been incredibly grateful for the opportunity to learn about and care for the multitude of patients that they serve.

Dani lives in Cary with her husband, Logan, her two Miniature Australian Shepherds, Nyx and Calypso, her cat, Oliver, and is welcoming her first child in the Spring of 2022. In her spare time, she enjoys spending time with her family and fur babies and is an avid reader.
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Rebecca Adamik

Receptionist
Rebecca’s educational background is in languages and linguistics. She studied at both UNC Charlotte and UNC Chapel Hill. She is excited to join the veterinary field where she combines her communication skills and love of animals (especially Corgis!) to happily work with our clients at the front desk. At home, Rebecca enjoys spending time with her Pembroke Welsh Corgi, Watson, reading, and playing video games.
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Denise Jone

Receptionist
BIO Coming Soon.
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Maliah Wise

Receptionist
BIO Coming Soon.
Choosing us as your pet’s

Veterinarian in Cary

Walnut Street Animal Hospital provides top-of-the-line veterinary services for dogs and cats in Cary, Raleigh, Apex, Holly Springs, and the surrounding areas.
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Located in Cary, North Carolina, we provide a wide range of high-quality veterinary care services.
Hospital Hours
Mon-Sun: 8:00am - 7:00 pm