About Us

We provide top-quality care to patients and exceptional customer service to their people.
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Full-Service Veterinary Hospital in Ashburn

From routine wellness care to orthopedic surgery, our skilled and compassionate veterinarians and staff do it all.

Our Goal

Our goal is to be your partner in pet parenthood.
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Great Location

We are proud to serve the communities of Ashburn, Leesburg, Chantilly, Sterling, and the surrounding areas.

Our Team

Our dedicated team cares for you and your pet

Dr. Sunil Kakarla

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.
Dr. Raam Krishna Karanam

Dr. Raam Krishna Karanam

Veterinary Director & Chief of Operations

After graduating from the College of Veterinary Medicine in India, he practiced and managed a companion animal hospital for twenty years. He moved to the United States with a passion to work as an associate in advanced-setting animal hospitals. His main aim is to cultivate a positive, happy, and inclusive working environment for the staff, providing a friendly and welcoming environment for all the clients. Outside of work, he enjoys spending time with his better half, Jyotsna, and their two children, Bhuvan and Rutvi.
Dr. David Iskandar

Dr. David Iskandar

Chief Veterinarian

Dr. Iskandar grew up in a small town in southern Egypt, where his love of animals began early in life. He graduated from veterinary school in Egypt in 2007, worked there as a veterinarian until 2015, and then moved to Canada to chase his dream. He completed the American Board of Veterinary Medicine exams and licensure in September 2019. During that time, he was working as a veterinary technician. After marriage in 2020, he moved to Massachusetts in the US and worked as DVM, then recently moved here to NOVA animal hospital to continue practicing and helping pets. He strongly believes in providing quality care for pets and being available to his patients when needed.
Dr. Iskandar is a member of the American Veterinary Medical Association and has special interests in dermatology, soft-tissue and oral surgery, dental extractions, and emergency medicine. Dr. David Iskandar is married and has a new baby. He enjoys spending quality time with his family, including his 3-year-dog Simba. He enjoys serving his community.
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Dr. Jonathan Schlossberg


Bio coming soon!
Sarah Van Staalduinen

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.
Caitlin O’Neil

Caitlin O’Neil

Client Coordinator

Hello! My name is Caitlin, and I have been with Walnut Street Animal Hospital since 2017. I started out as a receptionist and after being with this practice for a year, I was promoted to Manager and transferred to our sister location, Capital Boulevard Animal Hospital. I absolutely loved the experience of opening a new clinic and getting acquainted with all of the rescues. I am excited to start my new role as Client Coordinator with the company. I have always loved working with clients and making sure the owner and furbaby have a positive experience. In my free time, I am with my 2 human kiddos as well as my own furbabies.
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Kai Lumpkin

Team Lead

Kai has been an integral part of the Nova team since their start with the company in 2022. After coming to Nova, they quickly created a team atmosphere and helped the hospital become a family environment for everyone. Kai has been working with animals for over seven years and harnessed their leadership skills while previously supervising an emergency animal hospital treatment team. Kai enjoys complex medical cases and has a special interest in Parvovirus and Feline Infectious Peritonitis (FIP). Outside of work, Kai is a devoted parent and enjoys spending time with their children. They can also be found spending time with their dog, Artax, and cats, Lando, Lady Meow Meow, and Sage. Kai also enjoys hiking, rock hounding, traveling, and cooking a variety of foods.
Natalie Darby

Natalie Darby

Veterinary Assistant

Natalie has always held a special passion for animals, and because of this, she decided working with animals was the career field for her. Natalie has been working in veterinary medicine for five years now, and her path to obtaining her veterinary technician license is already underway. Natalie is a mom to two sugar gliders, Melon and Blue, Stitch the bearded dragon, Grizzly the oversized German shepherd, and Harley the little Aussie mix, as well as being a mother to a brand new little girl. Natalie has the utmost pride in her work and is always happy to help with all furry family members.
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Nicole Bowman

Veterinary Assistant

Bio coming soon!
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You’ve Come to the Right Place

High-quality veterinary care in Ashburn

Nova Animal Hospital provides loving, high-quality veterinary care for dogs and cats in Ashburn, Leesburg, Chantilly, Sterling, Brambleton, Broadlands, Centreville, Reston, Herndon, Ashburn Village, Ashburn Farm, Lansdowne, and the surrounding areas.
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Nova Animal Hospital provides loving, high-quality veterinary care for dogs and cats in Ashburn.

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Open 7 Days a Week
from 8am - 8pm