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Our Veterinarians

Dr. Allison Biddick is board certified in veterinary emergency and critical care medicine. She is holding a tiny black and tan dog.
Allison Biddick
DVM, MS, DACVECC
Critical Care
Allison Biddick
DVM, MS, DACVECC
Board Certified in Veterinary Emergency & Critical Care
Critical Care
Servicing Locations
Dr. Allison Biddick's clinical interests include trauma, mechanical ventilation, sepsis, immune-mediated diseases and fluid therapy. She's also passionate about educating others.
  • Diplomate, American College of Veterinary Emergency & Critical Care
  • Residency, Emergency & Critical Care, Auburn University, AL
  • Master of Science, Veterinary Biomedical Sciences, Auburn University, AL
  • Internship, Emergency & Critical Care, Veterinary Specialty & Emergency Center, Levittown PA
  • Internship, Small Animal Medicine & Surgery, Emergency Animal Clinic, Phoenix AZ,
  • Doctor of Veterinary Medicine, Oklahoma State University, Stillwater
  • Bachelor of Science, Zoology, University of Oklahoma, Norman
Dr. Biddick likes watching Oklahoma Sooners sports, OKC Thunder basketball, visiting the ocean, and do-it-yourself projects. She has four dogs: small mixed breeds Trixie and Toby, American bulldog T-Rex, and lab mix Queen B.
Dr. Linda Blair is an emergency medicine veterinarian. She is hugging a large black and gray dog.
Linda Blair
DVM
Emergency Medicine
Linda Blair
DVM
Emergency Medicine
Servicing Locations
Dr. Linda Blair enjoys all aspects of emergency medicine.
  • Doctor of Veterinary Medicine, Oklahoma State University, Stillwater
  • Bachelor of Science, Oklahoma State University, Stillwater
Dr. Blair likes watching her son play hockey, riding hunter/jumper horses with her daughter, mud adventure races and time on the lake. Nikki is the family dog, and they also have two cats, three goats, a chinchilla and a dozen big goldfish.
Dr. Jesse Bullock is board certified in veterinary emergency and critical care medicine.
Jesse Bullock
DVM, DACVECC
Critical Care
Jesse Bullock
DVM, DACVECC
Board Certified in Veterinary Emergency & Critical Care
Critical Care
Servicing Locations
Dr. Jesse Bullock enjoys the classic emergency cases - meat bones stuck in lower jaws, male cats with urinary issues, and even vomiting and diarrhea - but she especially likes toxicity cases.
  • Diplomate, American College of Veterinary Emergency & Critical Care
  • Residency, Emergency & Critical Care, University of Florida, Gainesville
  • Internship, Small Animal Medicine & Surgery, VCA Veterinary Referral Associates, Gaithersburg MD
  • Doctor of Veterinary Medicine, Texas A&M University, College Station Bachelor of Science, Biochemistry, University of Texas at Dallas, Richardson
Dr. Bullock likes to unwind reading the latest science fiction/fantasy, trying new recipes and quilting. She has two cats, Killer and John Doe.
Dr. Bryan Eason is board certified in veterinary cardiology.
Bryan Eason
DVM, DACVIM (Cardiology)
Cardiology
Bryan Eason
DVM, DACVIM (Cardiology)
Board Certified in Veterinary Cardiology
Cardiology
Servicing Locations
Dr. Bryan Eason's clinical interests include congenital heart disease and how medical, surgical and/or interventional therapy may be used to help manage these cases.
  • Diplomate, American College of Veterinary Internal Medicine (Cardiology)
  • Residency, Cardiology, Purdue University, West Lafayette IN
  • Internship, Cardiology, University of Missouri, Columbia
  • Internship, Small Animal Medicine & Surgery, University of Missouri, Columbia
  • Doctor of Veterinary Medicine, Oklahoma State University, Stillwater Bachelor of Arts, Biochemistry, Colorado College, Colorado Springs
Dr. Eason enjoys fishing the Pacific Northwest as well as traveling and cooking. Aggie is his Australian shepherd whose favorite words are “breakfast” and “dinner.”
Dr. Jo Eike is an emergency medicine veterinarian.
Holley “Jo” Eike
DVM
Emergency Medicine
Holley “Jo” Eike
DVM
Emergency Medicine
Servicing Locations
As an emergency clinician, Dr. Holley “Jo” Eike enjoys working on new diabetes cases and the client conversations relating to this condition. She also finds wound management and laceration repair cases particularly gratifying.
  • Doctor of Veterinary Medicine, Oklahoma State University, Stillwater
  • Bachelor of Animal Science, Oklahoma Panhandle State University, Goodwell
Dr. Eike’s hobbies include fitness and longbow archery. She has three cats, Smokey, Thetford and Teton, and a ball python, Britney Spears.
Dr. Tiffany Granone is board certified in veterinary anesthesia and pain management.
Tiffany Granone
DVM, MS, DACVAA
Anesthesiology & Pain Management
Tiffany Granone
DVM, MS, DACVAA
Board Certified in Veterinary Anesthesia & Analgesia
Anesthesiology & Pain Management
Servicing Locations
Dr. Tiffany Granone came to BluePearl after almost five years as an assistant clinical professor of anesthesiology at the University of Florida. She has a particular interest in the use of anesthesia in critically ill patients.
  • Diplomate, American College of Veterinary Anesthesia & Analgesia
  • Residency, Comparative Anesthesiology, University of Minnesota, St. Paul
  • Internship, Large Animal Medicine & Surgery, Ontario Veterinary College, Guelph, Canada
  • Master of Science, Comparative Anesthesia, University of Minnesota, St. Paul
  • Clinical Rotation, University of Minnesota, St. Paul
  • Doctor of Veterinary Medicine, Ross University, St. Kitts & Nevis, West Indies
  • Bachelor of Science, Agriculture, New Mexico State University, Las Cruces
Dr. Granone enjoys exploring the outdoors, including fishing and boating, as well as cooking and exploring different restaurants. She has three dachshunds, a Lab mix, a Caribbean island dog and an orange tabby cat.
Dr. Aubre Hnatusko is board certified in veterinary emergency and critical care medicine. She is sitting next to a red a white dog with one eye.
Aubrey Hnatusko
DVM, DACVECC
Critical Care
Aubrey Hnatusko
DVM, DACVECC
Board Certified in Veterinary Emergency & Critical Care
Critical Care
Servicing Locations
The fast pace of emergency and critical care medicine, as well as the diversity and complexity of the cases, are Dr. Aubrey Hnatusko's favorite aspects of the field. Sepsis, diabetic ketoacidosis, hypoadrenocorticism, and fluid therapy are some of her particular clinical interests.
  • Diplomate, American College of Veterinary Emergency & Critical Care
  • Residency, Emergency & Critical Care, BluePearl Veterinary Partners, Tampa FL
  • Internship, Small Animal Medicine & Surgery, BluePearl Veterinary Partners, Illinois
  • Doctor of Veterinary Medicine, Oklahoma State University, Stillwater
  • Bachelor of Science, Biochemistry and Molecular Biology, Oklahoma State University, Stillwater
Dr. Hnatusko loves country music, two steppin’ and cheering on the OSU Cowboys. She also enjoys running, reading, and trying new restaurants for brunch. Cade and Kenzie are her two West Highland white terriers, who are in charge of the household and keep her on her toes with their terrier antics.
Dr. Jennifer Jaycox is an emergency medicine veterinarian. She is holding a black and white dog.
Jennifer Jaycox
DVM
Emergency Medicine
Jennifer Jaycox
DVM
Emergency Medicine
Servicing Locations
Dr. Jennifer Jaycox worked for many years in private practice. Her particular interests include canine internal medicine and infectious disease cases.
  • Doctor of Veterinary Medicine, Oklahoma State University, Stillwater
  • Bachelor of Science, Biology, Northeastern State University, Tahlequah OK
Married to her high school sweetheart, Dr. Jaycox and her husband have a houseful of pets: a few fish, Boston terrier Lola, Siberian husky Odin, and three snakes - a western hognose, an Argentine boa and a Pueblan milk snake. An outdoor lover, the zoo is her favorite place to take a walk.
Dr. Jodie Lamb is board certified in small animal surgery. She is sitting with a blond lab.
Jodie Lamb
DVM, DACVS-SA
Surgery
Jodie Lamb
DVM, DACVS-SA
Board Certified in Veterinary Surgery-Small Animal
Surgery
Servicing Locations
Dr. Jodie Lamb's clinical interests include elbow, shoulder and knee arthroscopy, and hemilaminectomies.
  • Diplomate, American College of Veterinary Surgeons-Small Animal
  • Residency, Small Animal Surgery, Texas A&M University, College Station
  • Internship, Small Animal Surgery, Veterinary Surgery Center, Oklahoma City OK
  • Internship, Small Animal Surgery, Dallas Veterinary Surgical Center, Dallas TX
  • Internship, Small Animal Medicine & Surgery, Red Bank Veterinary Hospital, Tinton Falls NJ
  • Doctor of Veterinary Medicine, Texas A&M University, College Station
  • Bachelor of Science, Biomedical Science, Texas A&M University, College Station
Dr. Lamb likes to read, cook and watch movies with her husband and daughter. They have a yellow lab named Maggie who loves duck hunting.
Photo coming soon.
Rebecca Marchwinski
VMD
Emergency Medicine
Rebecca Marchwinski
VMD
Emergency Medicine
Servicing Locations
Dr. Rebecca Marchwinski is an emergency clinician. She completed EMERge, an intensive training program for emergency veterinarians through BluePearl Specialty + Emergency Pet Hospital. Her particular interests include treating Addison's disease, toxicities and anaphylaxis.
  • Doctor of Veterinary Medicine, University of Pennsylvania, Philadelphia
  • Bachelor of Science, Animal Science, University of Maryland, College Park
Dr. Marchwinski started refinishing and building her own furniture out of necessity as a poor college student and now it has become her favorite hobby. She also loves traveling and taking her two pit bulls, Tucker and Jax, hiking. Tucker has been with her since college and is deaf, and she adopted Jax in Oklahoma.
Photo coming soon.
Robert Martinez
DVM, CertAqV
Emergency Medicine
Robert Martinez
DVM, CertAqV
Emergency Medicine
Servicing Locations
Dr. Robert Martinez particularly enjoys helping pets get through and recover from trauma, such as dog fights, lacerations or being hit by a car.
  • Certified Aquatic Veterinarian, World Aquatic Veterinary Medical Association
  • Doctor of Veterinary Medicine, Kansas State University, Manhattan
  • Bachelor of Science, Animal Science, Texas Tech University, Lubbock
An endurance athlete, Dr. Martinez loves triathlons, marathons, multi-day events and similar activities. He and his wife have one dog.
Dr. Brent Newcomb is board certified in small animal surgery. He is nose to nose with a long-haired dachshund.
Brent Newcomb
DVM, MS, DACVS-SA
Surgery
Brent Newcomb
DVM, MS, DACVS-SA
Board Certified in Veterinary Surgery-Small Animal
Surgery
Servicing Locations
Dr. Brent Newcomb’s special interests lean toward orthopedic and neurosurgery. He enjoys TPLO and tightrope procedures for cranial cruciate stabilization, fluoroscopy for fracture repairs and percutaneous laser disc ablation for the prophylaxis of disc herniations.
  • Diplomate, American College of Veterinary Surgeons-Small Animal
  • Residency, Surgery, Oklahoma State University, Stillwater
  • Master of Science, Biomedical Science, Oklahoma State University, Stillwater
  • Doctor of Veterinary Medicine, Oklahoma State University, Stillwater
A volunteer worship pastor at his church, Dr. Newcomb is married and has a daughter. He loves hunting, fishing, skiing, hiking and camping. The family's long-haired dachshund is named Wendell.
Dr. Chad Powers is an emergency medicine veterinarian. He is holding a cat in his arms.
Chad Powers
DVM
Emergency Medicine
Chad Powers
DVM
Emergency Medicine
Servicing Locations
Dr. Chad Powers enjoys all aspects of emergency medicine, particularly trauma.
  • Doctor of Veterinary Medicine, Oklahoma State University, Stillwater
  • Bachelor of Science, Zoology, Oklahoma State University, Stillwater
Dr. Powers and his wife like sharing their love of the outdoors with their son and daughter. Camping and hiking are two of the family’s favorite pastimes.
Dr. Lana Rothenburg is board certified in veterinary internal medicine.
Lana Rothenburg
MSc, DVM, DACVIM
Internal Medicine
Lana Rothenburg
MSc, DVM, DACVIM
Board Certified in Veterinary Internal Medicine
Internal Medicine
Servicing Locations
Dr. Lana Rothenberg has a particular interest in hematology, immune-mediated and endocrine diseases.
  • Diplomate, American College of Veterinary Internal Medicine
  • Residency, Small Animal Internal Medicine, Oklahoma State University, Stillwater
  • Internship, Small Animal Medicine & Surgery, VCA Alameda East Veterinary Hospital, Denver CO
  • Doctor of Veterinary Medicine, Oklahoma State University, Stillwater
  • Master of Science, Pharmaceutical Sciences, University of Toronto, Ontario
  • Bachelor of Science, Psychology & Zoology, University of Toronto, Ontario
A vegetarian for more than 20 years, Dr. Rothenburg volunteers for the Toronto Vegetarian Association and is excited about her vegetable garden. Other hobbies include ashtanga yoga, camping and running.
Dr. J.T. Walker is board certified in small animal surgery. He is kneeling beside a white dog.
J.T. Walker
DVM, MS, DACVS-SA
Surgery
J.T. Walker
DVM, MS, DACVS-SA
Board Certified in Veterinary Surgery-Small Animal
Surgery
Servicing Locations
Dr. J.T. Walker enjoys all aspects of surgery especially orthopedic procedures like fracture repair and tibial plateau leveling osteotomy (TPLO), a procedure to stabilize a dog’s knee joint.
  • Diplomate, American College of Veterinary Surgeons-Small Animal
  • Residency, Small Animal Surgery, Oklahoma State University, Stillwater
  • Internship, Small Animal Surgery, Affiliated Veterinary Specialists, Maitland FL
  • Internship, Small Animal Medicine & Surgery, Affiliated Veterinary Specialists, Maitland FL
  • Master of Science, Veterinary Biological Sciences, Oklahoma State University, Stillwater
  • Doctor of Veterinary Medicine, Oklahoma State University, Stillwater
  • Bachelor of Science, Animal Science, Oklahoma State University, Stillwater
Some of Dr. Walker’s favorite pastimes include watching college football, reading and family time with his wife, daughter and dog Baylie.