Dr. Jim FitzSimons

Dr. Jim FitzSimons

Dr. Jim FitzSimons has over 20 years experience serving the companion animals of Cumming and the surrounding communities. A graduate of the UGA College of Veterinary Medicine in 1996, Dr. FitzSimons is experienced in emergency medicine as well as general practice. His areas of special interest include senior pet wellness, internal medicine, and oncology (the treatment of cancer). His furry family includes Edy and Tidbit.



Heather Harkins-Barroso

Dr. Heather Harkins-Barroso

Dr. Heather Harkins-Barroso was born in Port Allen, Louisiana, near Baton Rouge. She attended the Louisiana State University School of Veterinary Medicine. She was awarded "Excellence in Surgery and Medicine" prior to graduating in 2006. She was then accepted into a one-year internship at Carolina Veterinary Specialists in Greensboro, NC. She joined Cumming Veterinary Clinic in 2010. Her special interests in veterinary medicine include preventative behavior disorders, internal medicine, and dermatology. She lives in John's Creek with her husband and two daughters, and a dog named Barkley. She enjoys outdoors activities such as camping, hiking, skiing, and whitewater rafting. Her favorite camping trip was to Glacier National Park in MT.



Dr. David Martinez-Jimenez

Dr. David Martinez-Jimenez

Dr. David Martinez-Jimenez was born in Spain, where he completed his veterinary degree in 2002. After graduation, he performed several externships in exotic pet, zoo, and wildlife medicine in Spain and the United Kingdom. In 2004, he completed a Master's degree in Wild Animal Health at the Royal Veterinary College and Institute of Zoology of London. He then moved to the United States, where he completed an internship in exotic, zoo, and wildlife medicine at the College of Veterinary Medicine, University of Georgia. Prior to joining the CVC team, he has worked in private practice and zoo medicine. Dr. Martinez has several publications in scientific veterinary journals, book chapters and has presented in veterinary meetings. He loves veterinary medicine as a whole but some of his areas of special interest are internal medicine and surgery, ultrasound, endoscopy and cardiology. Dr. Martinez and his wife (also a veterinarian) enjoy time together taking care of their two daughters, two Chihuahuas (Alfie and Pippin), one Shih Tzu (Sprinkle Donut) and one cat (Makenna).



Dr. Ed Mitchell

Dr. Ed Mitchell

Dr. Ed Mitchell is currently a practicing veterinarian in Atlanta Metro area who's main focus is advanced small animal soft tissue and orthopedic surgery. Dr. Mitchell is a 1995 graduate of Tuskegee University School of Veterinary Medicine. He started his career in Michigan and moved to Georgia in 1998. In the year 2000 Dr. Mitchell and Dr. Hannah Guishard established and built Union City Veterinary Medical Center & Emergency Clinic, Inc. In 2007 Dr. Mitchell sold his shares of practice to Dr.Guishard to further pursue his passion for surgery.

Over the next few years he traveled around the country and Canada taking courses and classes focusing on soft tissue surgery, orthopedic surgery, and oral surgery. In that same year of 2007 he traveled to VanCouver Canada to learn the TPLO procedure for repairing Anterior Cruciate ligaments in dogs and in 2008 took more TPLO courses in the US for better proficiency. Since that time the majority of his days are spent repairing ACL injuries and all sorts of orthopedic/soft tissue small animal diseases. Dr. Mitchell travels around Metro Atlanta performing surgeries for 13-15 different private Veterinary Clinics, he also does orthopedic and soft tissue surgeries for multiple Banfield Pet Hospitals, and does many of the orthopedic/advanced soft tissue surgeries for the Atlanta Animal Humane Society, Paws of Atlanta, Decatur Animal Shelter. In his spare time he regularly lectures on Anterior Cruciate Disease/Diagnosis and Prevention to veterinarians and veterinary students.

He also regularly lectures on Alternative Healing Modalities for humans and pets.

He has a passion for metaphysics, outdoor life, and traveling abroad. He has two cats (Phoenix and Pharoah), two dogs (Gelato and Cody), two grown teenagers (Morgan and Jordan), and one wife (Nicole).




The Cumming Veterinary Clinic Team


Practice Manager

  • Ashley Forrester

Client Service Team

  • Pam Petrakovich, Office Manager/Client Service Team Lead
  • Jennifer DeFoor
  • Brandi Roberson
  • Jenni Herrington

Nursing Staff

  • Ann Williams, LVT Head of Technician Services
  • Sarah Echols
  • Taylor Greer
  • Jessica Sellers
  • Mary Catherine Scozzari
  • Dawn Lenhardt, RVT
  • Gabbi Johnston

Animal Caretakers

  • Angie Rainoff
  • Nicole Concepcion
  • Elizabeth Hernandez
  • Stormy Smith

Grooming Services

  • Stefanie Thellman Groomer