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Welcome to Sandy Springs Animal Clinic
Your Veterinarian in Sandy Springs GA
Call us at (770)-642-7797

Pet Emergency? Call us right away at (770)-642-7797!

Image of a dog wearing a stethoscope.

If you live in Sandy Springs or the surrounding area and need a trusted veterinarian to care for your pets – look no further. Dianna Joseph is a licensed GA veterinarian, treating all types of pets. Your pets’ health and wellbeing are very important to us, and we take every possible measure to give your animals the care they deserve.

Sandy Springs Animal Clinic is a full-service animal hospital and welcomes both emergency treatment cases as well as pet patients in need of routine medical, surgical, and dental care. Dianna Joseph has years of experience treating serious conditions and offering regular pet wellness care. Beyond first-rate pet care, we make our clinic comfortable, kid-friendly, and calm, so your pet can relax in the waiting room and look forward to meeting our Sandy Springs veterinarian.

We are happy to offer a number of resources that enable you to learn about how to take better care of your pets. Please feel free to browse our site, particularly the informational articles. The best veterinary care for animals is ongoing nutrition and problem prevention, so becoming knowledgeable about preventative pet care is essential to the ongoing success of your animal’s health. If you have any questions, call (770)-642-7797 or email us and we'll promptly get back to you. Our Sandy Springs veterinarian office is very easy to get to -- just check out the map below! We also welcome you to subscribe to our newsletter, which is created especially for Sandy Springs pet owners.

At Sandy Springs Animal Clinic, we treat your pets like the valued family members they are.

Dianna Joseph
Sandy Springs Veterinarian | Sandy Springs Animal Clinic | (770)-642-7797

350 Northridge Rd Suite 3A
Sandy Springs, GA 30350 3326

Contact Us

Meet Our Skilled Team

Learn Who We Are

  • Dianna Joseph

    Dr. Dianna Elizabeth Joseph, DVM, is the Hospital, Surgical, and Medical Director of Sandy Springs Animal Clinic. She is a 1999 graduate of the North Carolina State College of Veterinary Medicine. Her veterinary interests include internal medicine and soft tissue surgery. When Dr. Joseph isn’t working, she loves to travel. Her other interests are running, horseback riding, biking, and skiing. “I love being the family pet doctor. I do my best to give the patients and their owners 100% of my abilities at all times, in hopes of gaining their trust and confidence.”

  • Peter J. Muller III
    DVM, ABVP, Diplomate

    Dr. Peter J. Muller III, DVM, is a relief doctor at Sandy Springs Animal Clinic and the Medical Director of the Briarcliff Animal Clinic. He is a 1984 graduate of the University of Georgia and is board certified with the American Board of Veterinary Practitioners (ABVP) in companion animal practice. His medical interests include cardiology, ultrasound and internal medicine. “I love working with families and pets to solve complicated medical and behavioral issues,” said Dr. Muller, who is a pilot and has used his airplane in a number of pet rescue missions. “Seeing a sick pet regain its spirit and start interacting with the family again is very rewarding.” Dr. Muller has a dog, Rudy, and two cats, Charlie and Einstein.

  • Andrea Powell

    Dr. Andrea Powell, DVM, is a 2003 graduate of the University of Georgia where she received her bachelors in animal science. She received her veterinary degree in 2007 from Ross University School of Veterinary Medicine. She did her clinical rotations at Purdue University School of Veterinary Medicine. Helping pets and their families has been a calling from a young age and she can't imagine doing anything else with her life. Dr. Powell says, 'I strive to treat every pet I see with as much concern and attention as I would want for my own'. She grew up in Georgia and lives in Atlanta with her 3 boys, husband, 2 dogs and cat.

  • Brittany Martin
    Veterinary Technician, Practice Manager

    Brittany Martin is our most senior technician and our practice manager! She is currently attending technical school to become a Registered Veterinary Technician. She joined Sandy Springs Animal Clinic in the spring of 2013. Originally from Montana, she has a deep love and respect for the human-animal bond that was fostered by her family's love of animals.

  • Maria Paredes
    Veterinary Assistant

    Maria Paredes is our other veterinary assistant. She is from Ecuador. She received her Veterinary Degree in 2008 from University of Cuenca. She did an internship in the Teaching Hospital of the University of Buenos Aires - Argentina in 2014. She had her own practice in Ecuador for 7 years. Veterinary Medicine is her great passion and helping animals is priceless. She has a dog, Havanna. Her other interests are mountain biking and swimming.

  • Cassidy Sims

    Cassidy Sims is another one of our senior staff members. She has worked in the veterinary field for over 5 years and loves helping both animals and people. Her love of animals shows through her own household, which consists of 4 cats and a dog!

  • John Johnson

    John Johnson joined SSAC in January of 2016. He came to us from Knoxville Tennessee where he managed a boarding kennel for 7 years. His interests include hiking, swimming and spending time with friends, family and his dog 'Katie'.


Read What Our Clients Say

    "The staff is always so nice and on top of everything. They make everything go so smoothly. You even check out and pay right there in the exam room and they bring the medicine to you right there as well. My dogs love to go to the vet. That says a lot!"

    Patrice Poulin

    "I had a very good experience yesterday when I brought my dog in after evacuating due to hurricane Irma he had a cyst rupture on his neck. Wasn't crazy about them taking him back without me to do his vitals but I understand the need for triaging at an emergency clinic. Everyone was very kind and the dr was fabulous. I wouldn't hesitate to bring him back there."

    Dayle Rado Thomas

    "Very nice staff, took my dogs for 5 days free of charge due to hurricane Irma! Can't say enough good things about them they love their animals there! If you need to board this place is amazing with so many vets there and 24/7 care! Thank you for taking my dogs and taking such good care of them!"

    Gwen Rohe

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Office Hours

Our Regular Schedule

Sandy Springs Animal Clinic


8:00 am-12:00 pm

2:00 pm-7:00 pm


7:00 am-12:00 pm

2:00 pm-6:00 pm


7:00 am-6:00 pm


7:00 am-6:00 pm


7:00 am-12:00 pm

2:00 pm-6:00 pm


8:00 am-2:00 pm