Our Veterinarians

Dr. Greenwood, DVM


Dr. Lori Greenwood grew up in northern Virginia where, as a teenager, she worked as a manager, technician, and receptionist at Minnieville Animal Hospital. She received a bachelor’s of science degree in Biology at Coastal Carolina University in South Carolina, where she graduated with foreign language honors in Spanish. 

After receiving her degree, she attended St. George’s University  School of Veterinary Medicine on the Caribbean Island of Grenada and then transferred after two years to Iowa State University. In May of 2009, Dr. Greenwood obtained her veterinary degree from Iowa State University. 

Dr. Greenwood has a special interest in dermatology and soft tissue surgery.  She also actively serves on the board of directors for the Prince William County Humane Society.

She lives in Dumfries with her husband and two daughters enjoys boating, fishing, traveling, and spending time with her kids.
On June 4th, 2018, Dr. Greenwood became the new owner of Minnieville Animal Hospital.

Dr. Johnston, DVM


Dr. Megan Johnston originally grew up in Brewster, Massachusetts on beautiful Cape Cod. She moved to Lincoln, Nebraska in 2001 to attend the University of Nebraska where she earned a Bachelors of Science degree in Veterinary Science. She then attended the Iowa State University, College of Veterinary Medicine and graduated in 2009. During her time in veterinary school Dr. Johnston completed externships at the San Francisco Humane Society and at the Refugio de Animales de Heredia, an animal shelter in Costa Rica.Dr. Johnston is a proud United States Marine Corps wife and following veterinary school she has lived in California, Nebraska, North Carolina, and Germany.When Dr. Johnston is not caring for your beloved pets she is relaxing at home with her husband-Ian, son-Owen, and her wonderful dog-Lil’One. She loves traveling, hiking, and drawing.Dr. Johnston’s favorite aspects of veterinary medicine include dermatology and soft tissue surgery cases. She strives to offer the best quality veterinary medicine to all of her patients and she is honored to care for your furry family members!

Dr. Wagner, DVM


Dr. Kimber Wagner is a recent graduate of Ross University. She obtained her degree after completing her clinical year at Iowa State University.

Her veterinary adventure started 13 years ago as a veterinary technician working under Dr. Greenwood at Minnieville Animal Hospital. While being mentored by Dr. Greenwood, Dr. Wagner fell in love with the profession from day one.

Dr. Wagner grew up as a Marine Brat and has lived across the United States but considers the DMV area as home. Soon after relocating, she met her soon to be husband, Sam. Dr. Kimber and Sam live with their 6 year old Rottweiler “Khan” and Cane Corso “Bane”.

In her spare time she enjoys activities such as continuing advanced canine training sessions with her dogs, landscape architecture, golf, and racing motorcycles on the racetrack. She is a lover of outdoor activities.

Dr. Wagner has special interest in advanced diagnostic imaging, soft tissue and orthopedic surgery as well as proactive wellness care.

Get the best care for your best friend.