Veterinary Surgeons & Specialists

Meet Our Doctors

W. Thomas McNicholas, Jr.

Doctor of Veterinary Medicine (DVM)

Diplomate American College of Veterinary Surgeons

  • Member, American Canine Sports Medicine Association
  • Candidate, Canine Certified Rehabilitation Practitioner – University of Tennessee College of Veterinary Medicine
acvs veterinary surgeon
Background Summary
  • 2017 President, First Coast Veterinary Specialists
  • 2017 President, First Coast Veterinary ER
  • 2016 Internship, North Texas Animal Rehabilitation
  • 2015-2016 Surgeon, Dallas Veterinary Surgical Center
  • 2014-2016 President, First Coast Veterinary Surgery
  • 2012-2014 Surgeon, Affiliated Veterinary Specialists
  • 2004-2012 President, Affiliated Veterinary Specialists
  • 2002-2004 Surgeon, Palm Beach Veterinary Specialists
  • 2003 Board certified upon first exam sitting, American College of Veterinary Surgeons
  • 1999-2002 Post-doctoral residency, Purdue University School of Veterinary Medicine
  • 1998-1999 Post-doctoral internship, Dallas Veterinary Surgical Center
  • 1994 Doctorate of Veterinary Medicine, cum laude, University of Florida, May 1994

Dr. McNicholas (Tom) is an academically trained surgeon with more than 18 years in an exclusive surgical setting. Board certified in veterinary surgery since 2003, Dr. McNicholas has performed countless soft tissue and oncologic procedures and in excess of 3000 TPLOs, 3000 cruciate extracapsular stabilizations, 2000 Medial Patella Luxation (MPL) stabilizations and 1000 neurosurgical procedures. He also has a special interest in utilizing non-surgical and physical therapy protocols as a complement to or as an alternative to surgery.

Dr. McNicholas is the former owner of Affiliated Veterinary Specialists (AVS) and Animal ER in Jacksonville, where he practiced for more than 10 years. Following AVS, he established a successful consulting veterinary surgery practice, pursued advanced studies in canine physical therapy and rehabilitation, and was privileged to be a staff surgeon at Dallas Veterinary Surgical Center (DVSC), one of the oldest and largest veterinary surgical centers in the country. Dr. McNicholas is excited to work again in the First Coast, providing compassionate care for patients and pet owners while respecting the relationship the family veterinarian has with their clients and patients.

A past president of the Jacksonville Veterinary Medical Society, Dr. McNicholas has maintained an active role in contributions to the practice of veterinary surgery through research, publications, presentations, and consulting. He developed an innovative technique in Achilles tendon repair which was presented at the 2015 Annual Veterinary Orthopedic Society Conference in Sun Valley, Idaho, the 2014 Arthrex Veterinary Association of Arthrology Advancement in Naples Florida, and the October 2014 JVMS Grand Rounds in Jacksonville. He has had the privilege of working with the Jacksonville Zoo and Gardens performing procedures on Quito (RIP) the Silverback Gorilla, a giraffe calf, several primates including a Mandrill, neurosurgery on a Grey wolf, and orthopedic surgery on a federally protected Whooping crane. His resident research project (2002) was recently named 1 of “4 scientific articles vets need to know.”

Veterinary Practice News Article Feat. Dr.McNicholas

Dr. McNicholas is married to Janna. They have two daughters (Madison and Evelyn), three dogs (Star, Piper, and Princess), and a cat (Toby.) In his free time, Dr. McNicholas enjoys golf, tennis, spending time outdoors, and enjoying the beach and boating with his family and dogs.


Megan L. Wilson

Doctor of Veterinary Medicine (DVM), MS

Diplomate, American College of Veterinary Surgeons-SA

acvs veterinary surgeon

Megan L. Wilson, DVM, MS, Diplomate, American College of Veterinary Surgeons, has been a board certified veterinary surgeon since February of 2019. Dr. Wilson graduated from the Western College of Veterinary Medicine at the University of Saskatchewan, followed by a rotating internship at the university and a surgical internship in Orlando, FL. She completed her surgical residency at Kansas State University’s College of Veterinary Medicine, where she also obtained a Master of Science in Biomedical Sciences. Dr. Wilson enjoys all aspects of veterinary surgery. During her residency, she conducted research on weight-bearing improvement variables for dogs following TPLO surgery and on dogs with hind limb lameness. She presented her findings to veterinary surgeons at the American College of Veterinary Surgeons conference in Phoenix in October of 2018.



Comparison of the Effect of Dog, Surgeon and Surgical Procedure Variables on Improvement in Eight-Week Static Weight-Bearing following Tibial Plateau Levelling Osteotomy
Wilson, Megan L ; Roush, James K ; Renberg, Walter C
Veterinary and comparative orthopaedics and traumatology : V.C.O.T, November 2018, Vol.31(6), pp.396-404

Comparison of surgical time and complication rate of subcutaneous and skin closure using barbed suture or traditional knotted suture in dogs
Nutt, Laura K ; Wilson, Megan L ; Sakals, Sherisse Nutt, Laura K (correspondence author) ; Nutt, Laura K (record owner)
The Canadian veterinary journal = La revue veterinaire canadienne, December 2017, Vol.58(12), pp.1281-1286

Single-day and multiday repeatability of stance analysis results for dogs with hind limb lameness
Wilson, M.L. ; Roush, J.K. ; Renberg, W.C.
American Journal of Veterinary Research, April 2019, Vol.80(4), pp.403-409

Surgical Correction of Grade III Medial Patellar Luxation in a Pet Rabbit (Oryctolagus cuniculus)
Hyde, Elizabeth W. ; Eshar, David ; Wright, Louden ; Wilson, Megan ; Roush, James K
Journal of Exotic Pet Medicine, 4/2019

James E. Bailey

Doctor of Veterinary Medicine (DVM), MS

Diplomate American College Veterinary of Anesthesia and Analgesia

acvaa american college of veterinary anesthesia
Background Summary
  • 2006-2016 President, Innovative Veterinary Medicine, Marine Mammal Veterinary Anesthesiologist, Gainesville, Florida
  • 2005-2016 Assistant Professor, Anesthesiology, University of Florida College of Veterinary Medicine
  • 2005 Visiting Assistant Professor & Apprentice in Veterinary Medicine, Louisiana State University School of Veterinary Medicine
  • 2000-2005 Veterinary Anesthesiologist and Director of Operations, VASC Corporation, Littleton, Colorado
  • 1996-1999 Assistant Professor, University of Florida, Gainesville
  • 1996 Board certified by American College of Veterinary Anesthesiology and Analgesia
  • 1993-1996 Residency and Clinical Instructor, Anesthesiology, University of Florida College of Veterinary Medicine
  • 1992-199393 Consulting Anesthesiologist, Ethicon Endo-surgery, Cincinnati, Ohio
  • 1993 Master of Science, Veterinary Physiology and Pharmacology, The Ohio State University
  • 1990-1993 Clinical instructor, Colorado State University, Anesthesiology, 1990
  • 1991-1993 Graduate Research Veterinary Physiology and Pharmacology, The Ohio State University, College of Veterinary Medicine
  • 1989-1991 Clinical Instructor, Anesthesiology, Colorado State University College of Veterinarian Medicine
  • 1993 Master of Science, Micro Biology and Veterinary Science, Colorado State University
  • 1989 Doctorate of Veterinary Medicine, Colorado State University College of Veterinary Medicine

With over 20 years of experience in veterinary anesthesiology, Dr. James Bailey has safely anesthetized everything from critically ill cats, dogs, horses and cows to manatee, elephants, ostriches, dolphins and polar bears. Dr. Bailey is the President and founder of Innovative Veterinary Medicine, Inc., a biomedical research and development firm in Gainesville, FL. He has a doctorate in veterinary medicine from Colorado State University, a Master of Science in veterinary physiology and pharmacology from The Ohio State University and is a diplomate of the American College of Veterinary Anesthesia and Analgesia.

Further, he spent 11.5 years as a professor of veterinary anesthesia and analgesia at the University of Florida, College of Veterinary Medicine, leading the service as service chief for five of those years. He has served in academia, industry, private practice, marine mammal field research and as a marine mammal anesthesia specialist. Dr. Bailey has a long history in managing multi-disciplinary medical and research teams. He is currently the only veterinary anesthesiologist with experience in both sea lion and dolphin anesthesia, as well as experience with the APRV and AAV modes of ventilation. Dr. Bailey has been performing clinical anesthesia on marine mammals since 1993 when he joined the University of Florida, College of Veterinary.


Ken Greenwood

Doctor of Veterinary Medicine (DVM), MS

acvs veterinary surgeon
Background Summary
  • Dr. Greenwood is a graduate of the University of Illinois College of Veterinary Medicine
  • He completed his internship at Purdue University followed by a small animal surgical residency and Master's degree program at the University of Georgia

Dr. Greenwood founded Northlake Veterinary Surgery in 1980, becoming the first ACVS boarded surgeon in the greater Atlanta area. He now works part time at NVS and First Coast Veterinary Surgery. Dr. Greenwood has also provided over 40 years of pro bono surgical services for Zoo Atlanta, operating on a wide variety of exotic animals.

Dr. Greenwood remains active in training the next generation of veterinary surgeons, having established weekly video-conference rounds between Northlake and the University of Georgia and serving as a locum professor at UGA and the University of Illinois mentoring and advising many surgical residents. A longtime leader in the Atlanta veterinary community, Dr. Greenwood was voted the 2006 Veterinarian of the Year by the Greater Atlanta Veterinary Medical Society.

In his free time, Dr. Greenwood volunteers at the Southeastern Railway Museum running and maintaining the 1950s vintage Miniature Train. He also enjoys travel photography and has been to the Northern and Southern poles of the world photographing and researching whales and wildlife. He remains fascinated by animals in the wild and continues to travel the seas in hopes of one day encountering the blue whale. Dr. Greenwood and his wife, Dr Beth Caldwell, have four adult daughters, Sarah, Anna, Bonnie, Grace, and a clowder of cats.

Daniel Linden

Doctor of Veterinary Medicine (DVM), MS

Diplomate, American College of Veterinary Surgeons-SA

ACVS Fellow, Surgical Oncology

acvs veterinary surgeon
Background Summary
  • Dr. Linden is a graduate of Ross University School of Veterinary Medicine
  • He completed his internship in small animal surgery and medicine at Louisiana State University, followed by a surgical residency and master’s degree program at Auburn University
  • Dr. Linden completed a fellowship in surgical oncology at Auburn University

Daniel Linden, DVM, MS, Diplomate, American College of Veterinary Surgeons- SA, ACVS Fellow, Surgical Oncology , has been a board-certified veterinary surgeon since 2018. Dr. Linden graduated from Ross University School of Veterinary Medicine, followed by a one-year rotating internship in small animal surgery and medicine at Louisiana State University. After his internship, Dr. Linden completed a three-year residency in surgery at Auburn University, at which time he obtained his Master of Science in Biomedical Sciences. In 2018, he became board certified and, in 2019, completed a fellowship in surgical oncology at Auburn University. Upon completion and publication of his research, Dr. Linden was granted the status of ACVS Fellow in Surgical Oncology. His interests and research areas include lymphatic metastasis and head and neck cancers. Dr. Linden has published in multiple journals such as Veterinary Comparative Oncology, Veterinary Surgery, Veterinary Comparative Orthopedics and Traumatology, and has served as a peer reviewer for multiple journals as well. Dr. Linden and his wife Samantha, a veterinary medical oncologist, have a young daughter as well as three dogs and three cats. In his free time, Dr. Linden enjoys running, biking, and fishing. .