We are extremely proud of our dedicated team, and hire only the best and most experienced employees to become a part of our family here at A Cat Clinic. Our veterinary team is filled with highly dedicated animal lovers who are well trained at their jobs. They will do anything possible for their patients and the owners who love them.

Learning and education are very important here at A Cat Clinic. We strive to have a state of the art hospital with a staff trained in the latest medical advances. Our patients deserve the very best veterinary care.

We make it a goal to treat each patient like our own, and give all cats plenty of love and attention. Our staff is prepared to discuss preventative medicine so that every cat can stay as healthy as possible. We want to do everything we can to make a sick patient feel better as soon as possible.

Since 1986, it’s been our mission to to practice individualized patient care for your cats and provide exceptional client service. Come visit our clinic today! Whether you’re from Germantown, Gaithersburg, Rockville, Clarksburg, or any of the surrounding areas in Montgomery County, Maryland and beyond, we’re proud to be an important member of your cat health team.

If you would like to speak to someone on our team, don’t hesitate to contact us today at (301) 540-7770.


Dr. Melissa Mustillo, DABVP

Dr. Melissa Mustillo|A Cat Clinic, Germantown, MD

Dr. Mustillo grew up in Buffalo, New York. She completed her undergraduate studies at Canisius College in NY, and received her DVM from The University of Tennessee. Following graduation, she moved to Maryland and joined the staff of Veterinary Referral Associates in Gaithersburg to complete the hospital’s intense one year internship program in medicine and surgery.

Dr. Mustillo always knew her true passion was feline medicine. She joined the team at A Cat Clinic following her internship. Dr. Mustillo has a strong interest in ultrasonography, dental health, and geriatric medicine. In 2020, Dr. Mustillo completed the rigorous requirements to become a Diplomate of the American Board of Veterinary Practitioners, certified in Feline Practice.  She is one of only 70 board-certified feline specialists in the U.S., and is a member of multiple local and national veterinary and feline organizations.

Dr. Mustillo shares her home with five cats (JoJo, Lilly, Chief, Danny, and Sherman), one dog (Elliot) and her husband. In her spare time, Dr. Mustillo enjoys reading, hiking, and traveling back to WNY to visit her family.


Dr. Nikhita De Bernardis, CVA

A Cat Clinic welcomes Dr. Nikhita De BernardisDr. De Bernardis grew up in the area and went to Wootton High School in Rockville, MD. She then attended Cornell University for her B.S. where she majored in Animal Science and Biology and minored in Spanish. She studied abroad for a year in Argentina, and took several trips around the world to volunteer and help animals in need. She stayed at Cornell University for veterinary school and then completed a rigorous one-year internship at the University of Georgia. She worked at Cornell for an additional year before joining the A Cat Clinic team. She became certified in veterinary acupuncture at the Chi Institute in Florida in 2018 and has enjoyed bringing this to the practice and seeing how it can improve the quality of life of our patients.

Dr. De Bernardis has always loved feline medicine, and is especially interested in feline friendly handling techniques and cat behavior, neonatal care, and internal medicine.

In her free time, Dr. De Bernardis enjoys traveling, spending time with her horse, and indoor cycling. Dr. De Bernardis and her husband live with their four cats – Sherlock Holmes, John Watson (pictured), Maxwell’s Equations, and Napoleon Bonaparte, who was an orphaned neonatal kitten raised by the clinic



Ann serves as our Hospital Manager at A Cat Clinic. She loves her job and loves to fuss over the cats that come through the clinic, She grew up with cats. Many of our boarders spend time keeping her company while she works. She has a husband and two wonderful children and a happy puppy named Molly at home.


Vicki is our Registered Veterinary Technician; having obtained her AAS in Veterinary Technology from Broadview University in Utah in 2013 and then her RVT registration in 2014 after passing the VTNE (Veterinary Technician National Exam). Prior to her career in veterinary medicine, she was a professional dog groomer for 6 years. Though she loves creatures of all sizes, she knew cats were it for her and she had found her niche when she started at A Cat Clinic. She loves working with all our patients and hopes to one day achieve a VTS certification in feline care. Vicki shares her home with her husband and their four kitties: Juno, Canary, Rufio and Fry. In her spare time, she enjoys cooking, photography, and watching scary movies.


Christina became a member of the A Cat Clinic team in March, 2017.  She is mainly at the front desk, but will also help out with the patients.  Her prior animal experience includes several years doing grooming. As a child, she was not allowed to have a cat, so that was the first pet she got when she became an adult.  She says, “As every cat owner knows, nobody owns a cat!”  Christina has three young children, and when she has a free moment enjoys reading.


Sarah joined our team in August, 2018 as a receptionist.  A Montgomery County native, she graduated from Montgomery Blair High School in Silver Spring. However, she has traveled extensively, and spent time living abroad (her husband is from England and her mother from Thailand). Sarah’s previous animal work experiences involved caring for dogs, at a dog daycare and at a large boarding facility.  She has also volunteered to foster dogs with three local dog rescues.  Yet she has become a “converted cat person”. She said one day in her adult life, “the light in my head suddenly switched on!” Now Sarah feels strongly that everyone should have a cat, at least once in their life.  She shares her home with two black cats named Iggy and Suzie Q, Iggy who she adopted in 2017 came from a feral colony outside of Baltimore, although he had likely been someone’s pet.  In her free time Sarah enjoys music and piano, and traveling.


Sam graduated from the University of Maryland, College Park in 2013 with a BS in Animal Science and works with us as a Veterinary Technician. She grew up on a farm with 6 horses, 2 dogs and several barn cats. She has a special affinity for working with cats, which she admits are her favorite. She is currently earning her Masters online at Clemson University in Wildlife and Fisheries Resources and is striving to become a Wildlife Biologist.


While attending Frederick Community College’s Veterinary Assistant program, Ian learned about A Cat Clinic and came to us to do a clinical internship for the program.  After he completed his internship, he joined our team as a part time Veterinary Assistant, and has worked his way up to full time Veterinary Technician. Ian’s passion for cats stems from the time when, as a young boy, his mother surprised him with a little Bengal kitten.  She was wrapped in a pink blanket in a box, and he recalls her being so small and soft.  That was the start of his love for animals!  Currently, with his 2 brothers and 3 sisters, he shares Lila, a Plott Hound, at home. He has two cats, Trixie – A bratty calico he loves with his entire heart, and Sir Orpheus R. Bean – a cross-eyed Kitten he raised from birth since starting at the clinic.


We are so fortunate that Alex has brought her five years experience at a cat hospital in California back with her as a Veterinary Technician! Alex joined our team in November, 2018. Her background is varied, receiving an Associate’s Degree from Montgomery College, a Cosmetology license from the Aveda Institute and finally settled into the role of feline technician in California.
She has had cats in her household all her life, so it was a natural switch over from caring for people to caring for cats. Alex enjoys doing dental cleanings, grooming and loves that her job allows her to learn more everyday.
Currently, she shares her home with her cats, Kittridge and Tiny, her dog, Renly and her partner’s cat. In her spare time, she enjoys gardening, going to the beach, and traveling to new places.


Rachel joined our team as a vet technician in June of 2021 and has always known she has wanted to work with animals. While studying biology at Stevenson University, Rachel had the chance to volunteer with P.A.W.S., in aiding events that helped raise awareness for animal rights. She has worked with many different animals at various farms, vet clinics, and NIH. Rachel is currently enrolled with the Penn Foster College preparing her for the VTNE to become a licensed vet technician.


Kim has been with A Cat Clinic since Aug 2016 as an assistant.  She graduated from Montgomery College with an Associate’s Degree in Life Sciences and is currently pursuing her undergraduate degree at the University of Maryland for Animal Science.  Kim has volunteered at a local senior pet rescue for several years, and she is currently volunteering at the National Zoo in D.C!  With her busy schedule, Kim has no pets right now, but hopes she will be able to share her home with a 4-legged friend soon.  In her spare time, she loves traveling and has been practicing watercolor painting and sewing.



Dr. Dale Rubenstein, ABVP (Retired April, 2020)


Dr. Rubenstein opened the doors of A Cat Clinic, the first all-feline veterinary practice in Montgomery County, in 1986. A Montgomery County native (and Bethesda-Chevy Chase High School graduate), Dr. Rubenstein earned her BA in Biology from Oberlin College and her DVM from Purdue University. She is one of only 70 board-certified feline specialists in the U.S., and is a member of multiple local and national veterinary and feline organizations.

In addition to participating in Career Days at local schools, A Cat Clinic has been mentoring interns from Northwest and Seneca Valley High Schools since 2009. Dr. Rubenstein and A Cat Clinic also started the Aurora’s Angels Fund to help support cats in the Germantown/Boyds area with needed veterinary care.

Senior cat care is Dr. Rubenstein’s special interest, but she can never resist new kittens! She has two grown children living in Chicago, and she and her husband enjoy hiking and travel.  She currently has one cat at home, Athena.