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Our Veterinarians

Dr. Pedro Boria is board certified in veterinary oncology.
Pedro Boria
DVM, MS, DACVIM (Oncology)
Oncology
Pedro Boria
DVM, MS, DACVIM (Oncology)
BluePearl Veterinarian
Board Certified in Veterinary Oncology
Oncology
Servicing Locations
Dr. Pedro Boria completed residencies in both internal medicine and oncology, and he enjoys all aspects of oncology.
  • Diplomate, American College of Veterinary Internal Medicine (Oncology)
  • Master of Science, Veterinary Clinical Sciences, Purdue University, West Lafayette IN
  • Residency, Oncology, Purdue University, West Lafayette IN
  • Residency, Small Animal Internal Medicine, Tufts University, North Grafton MA
  • Internship, Small Animal Medicine & Surgery, Virginia-Maryland Regional College, Blacksburg VA
  • Doctor of Veterinary Medicine, Tuskegee University, AL
  • Bachelor of Science, Animal Science & Biology, Kansas State University, Manhattan
  • Bachelor of Science, Natural Science, University of Puerto Rico, Humacao
A sports fan, Dr. Boria especially likes playing golf and scuba diving. He also enjoys spending time with his wife and two kids.
Dr. Breanna Erwin is a clinician in our emergency medicine service. She is holding a black and white, long-haired cat.
Breanna Erwin
DVM
Emergency Medicine
Breanna Erwin
DVM
BluePearl Veterinarian
Emergency Medicine
Servicing Locations
Dr. Breanna Erwin enjoys being able to provide support and care for clients and their pets during emergency situations.
  • Internship, Oncology, BluePearl Veterinary Partners, IL
  • Internship, Small Animal Medicine & Surgery, BluePearl Veterinary Partners, IL
  • Doctor of Veterinary Medicine, University of Missouri, Columbia
  • Bachelor of Arts, Zoology, Miami University, Oxford OH
Dr. Erwin's favorite pastimes include hiking, reading and visiting national parks with her husband. They have two dogs, Harvey and Emerson, and a cat named Addison.
Dr. Ross Feldgreber is a doctor in our cardiology service. He is next to gray and white dog..
Ross Feldgreber
DVM
Cardiology
Ross Feldgreber
DVM
BluePearl Veterinarian
Cardiology
Servicing Locations
Dr. Ross Feldgreber enjoys all aspects of cardiology, especially working with pet owners to help them understand their pet’s condition. His particular clinical interests include interventional procedures for congenital heart disease, which is a disease a pet is born with, treating congestive heart failure, and diagnosing and treating arrhythmias, or irregular heartbeats.
  • Residency, Cardiology, Red Bank Veterinary Hospital, Tinton Falls NJ
  • Internship, Cardiology, Red Bank Veterinary Hospital, Tinton Falls NJ
  • Internship, Small Animal Medicine & Surgery, BluePearl Veterinary Partners, Northfield IL
  • Doctor of Veterinary Medicine, University of Illinois, Urbana-Champaign
  • Bachelor of Science, Psychology, University of Miami, FL
Dr. Feldgreber is married and has one daughter. Outside of work, he enjoys spending time with family and friends, watching and playing sports, exercising, exploring new places, and playing with his sheepadoodle, Harvey.
Dr. William Fischbach is a clinician in our emergency medicine service.
William Fischbach
MS, DVM
Emergency Medicine
William Fischbach
MS, DVM
BluePearl Veterinarian
Emergency Medicine
Servicing Locations
Dr. William Fischbach enjoys all aspects of emergency medicine and has special interests in emergency surgery and trauma.
  • Internship, Sonora Veterinary Specialists, Phoenix AZ
  • Doctor of Veterinary Medicine, The Ohio State University, Columbus
  • Master of Science, The Ohio State University, Columbus
Dr. Fischbach enjoys golf, traveling and spending time with his wife and daughter.
Dr. Rachel Geiger is an veterinarian in our emERge program.
Rachel Geiger
BVetMed
Emergency Medicine
Rachel Geiger
BVetMed
BluePearl Veterinarian
Emergency Medicine
Servicing Locations
Dr. Rachel Geiger is part of our emergency medicine training program for clinicians. She is particularly interested in neurological conditions and pain management and finds supporting owners and pets through stressful moments in the ER the most gratifying.
  • Bachelor of Veterinary Medicine, Royal Veterinary College, London, England
  • Bachelor of Science, Animal Science, Cornell University, Ithaca, NY
Dr. Geiger enjoys running, biking, cooking new foods and traveling. She has two cats, Olive and Kona, who love to cuddle and watch movies with her.
Dr. Caitlin Goeres is a clinician in our emergency medicine service. She is holding four young puppies in her arms.
Caitlin Goeres
DVM
Emergency Medicine
Caitlin Goeres
DVM
BluePearl Veterinarian
Emergency Medicine
Servicing Locations
Dr. Caitlin Goeres particularly enjoys surgical cases, such as trauma, lacerations and fractures because she is able to see almost immediate improvement. She also finds pain management gratifying.
  • Doctor of Veterinary Medicine, University of Saskatchewan, Saskatoon, Canada
  • Bachelor of Science, Biology, University of Winnipeg, Manitoba, Canada
Favorite pastimes of Dr. Goeres include hot yoga, English pleasure horseback riding, social and ballroom dance and dog agility. She and her husband have a daughter and many pets: Mya, a husky lab cross; Milou, a miniature poodle cross; Moksha, a spaniel mix; sibling cats, Daniel and Levon; and Thoroughbred ex-racehorse Ringer.
Dr. Emily Harison is board certified in veterinary internal medicine. She is sitting with a black and white dog.
Emily Harison
DVM, DACVIM
Internal Medicine
Emily Harison
DVM, DACVIM
BluePearl Veterinarian
Board Certified in Veterinary Internal Medicine
Internal Medicine
Servicing Locations
Dr. Emily Harison enjoys the challenges of complicated internal medicine cases and long-term care in chronic illnesses. She is most interested in immune-mediated disease, hematology, kidney disease, gastrointestinal and endocrine diseases. Dr. Harison loves performing diagnostic and therapeutic procedures including endoscopy and ultrasound.
  • Diplomate, American College of Veterinary Internal Medicine
  • Residency, Internal Medicine, Animal Medical Center, New York City
  • Internship, Small Animal Medicine & Surgery, Mission MedVet, Kansas City KS
  • Doctor of Veterinary Medicine, Oklahoma State University, Stillwater
  • Bachelor of Science, Oklahoma State University, Stillwater
Dr. Harison enjoys hunter jumper equestrian sports with her horse Olive. She also enjoys yoga, outdoor activities and live music. Her pets include pit bull mix Piglet, Boston terrier Finn, and cat Simon.
Dr. Janice Hsieh is a clinician in our emergency medicine service.
Janice Hsieh
DVM
Emergency Medicine
Janice Hsieh
DVM
BluePearl Veterinarian
Emergency Medicine
Servicing Locations
Dr. Hsieh has a special interest in wound management and surgery.
  • Internship, Surgery, VCA Veterinary Referral and Emergency Center, Connecticut
  • Internship, Small Animal Medicine & Surgery, Carolina Veterinary Specialists, North Carolina
  • Doctor of Veterinary Medicine, University of Georgia, Athens
  • Bachelor of Science, University of Georgia, Athens
Dr. Hsieh enjoys traveling and trying out different ethnic cuisines. You can often find her at the park or coffee shop, with book in hand, if she’s not busy cheering for her beloved football team, the Georgia Bulldogs
Dr. Macenzie Johnson is a veterinarian in our emergency medicine training program for clinicians.
Macenzie Johnson
DVM
Emergency Medicine
Macenzie Johnson
DVM
BluePearl Veterinarian
Emergency Medicine
Servicing Locations
Dr. Macenzie Johnson is part of our emergency medicine training program for clinicians. She particularly likes treating trauma and toxicity cases, but seeing her patients go home to their families is the most rewarding. Prior to joining BluePearl, Dr. Johnson led courses for pre-veterinary students through a non-profit rainforest conservancy in Costa Rica.
  • Doctor of Veterinary Medicine, Iowa State University, Ames
  • Bachelor of Science, Animal Science, Iowa State University, Ames
Dr. Johnson enjoys traveling, hosting game nights, listening to music, exploring the city and spending time with friends and family.
Dr. Carli Koonce is a clinician in our emergency medicine service.
Carlie Koonce
DVM
Emergency Medicine
Carlie Koonce
DVM
BluePearl Veterinarian
Emergency Medicine
Servicing Locations
Dr. Carlie Koonce worked a number of years with a livestock market, the USDA and in a rural mixed animal practice before coming to BluePearl. Some of her favorite conditions to treat include pancreatitis, endocrinopathies and feline urinary obstruction. Another clinical interest is enteral tube feeding.
  • Doctor of Veterinary Medicine, Iowa State University, Ames
  • Bachelor of Science, Animal and Veterinary Sciences, University of Wyoming, Laramie
  • Bachelor of Science, Zoology, University of Wisconsin, Madison
Dr. Koonce’s favorite pastimes include hiking, reading, photography, hunter/jumper horseback riding and museums. Roo is her border collie mix, and her three cats are Draco, Badger and Baby.
Matthew Levinson is a doctor in our dermatology service. He is with his dog.
Matthew Levinson
DVM, DACVD
Dermatology
Matthew Levinson
DVM, DACVD
BluePearl Veterinarian
Board Certified in Veterinary Dermatology
Dermatology
Servicing Locations
Dr. Matthew Levinson finds it gratifying to treat/manage auto-immune diseases, canine viral papillomas, atopic dermatitis and chronic otitis cases. Particular procedures he enjoys include allergy testing, deep ear flushes using video otoscopy, and treating persistent canine papilloma disease with a CO2 laser and cryotherapy.
  • Diplomate, American College of Veterinary Dermatology
  • Residency, Animal Dermatology Clinic, Tustin CA
  • Internship, Small Animal Medicine & Surgery, BluePearl Veterinary Partners, Northfield IL
  • Doctor of Veterinary Medicine, Oklahoma State University, Stillwater
  • Bachelor of Arts, Economics, Indiana University, Bloomington
Some of Dr. Levinson’s favorite pastimes include going to Cub’s games, playing basketball, and being outside with dogs Willow and Romeo.
Dr. Ian McSweeny is a part of our emergency medicine training program for clinicians.
Ian McSweeny
DVM
Emergency Medicine
Ian McSweeny
DVM
BluePearl Veterinarian
Emergency Medicine
Servicing Locations
Dr. Ian McSweeny is a part of our emergency medicine training program for clinicians. He has a special interest in fluid therapy and finds managing feline urinary obstruction cases rewarding.
  • Doctor of Veterinary Medicine, University of Wisconsin, Madison
  • Bachelor of Science, Biology, University of Wisconsin, Green Bay
Dr. McSweeny’s favorite pastimes include hiking, bird watching, participating in triathlons, and long naps with his cat Videl.
Dr. Julia Merriam is a clinician in our internal medicine service. She is holding a large white and tan dog.
Julia Merriam
DVM
Internal Medicine
Julia Merriam
DVM
BluePearl Veterinarian
Internal Medicine
Servicing Locations
Dr. Julia Merriam’s particular interests include infectious disease, feline medicine and auto-immune disease. She also enjoys ultrasound, endoscopy and interventional radiology.
  • Residency, Internal Medicine, BluePearl Veterinary Partners, Detroit MI
  • Internship, Small Animal Medicine and Surgery, VCA Veterinary Care and Referral Center, Albuquerque NM
  • Doctorate, Doctor of Veterinary Medicine, University of California at Davis
  • Bachelor of Science, Arizona State University, Tempe AZ
Dr. Merriam stays active volunteering for a number of social and political organizations. In addition to being a bad gardener, her favorite pastimes include knitting, weaving, cooking, forging metal and blades, making beer and beekeeping. Her pets include cats Lance Corporal Carrot, Granny Esmerelda Weatherwax and Matisse are blind Persian cats, AKC champion Borzoi Gossip, and king snake Diego.
Dr. Emily Mettenburg is a clinician in our emergency service. She is pictured with her English bulldog.
Emily Mettenburg
DVM
Emergency Medicine
Emily Mettenburg
DVM
BluePearl Veterinarian
Emergency Medicine
Servicing Locations
Dr. Emily Mettenburg enjoys all aspects of emergency medicine, especially trauma cases and wound repairs.
  • Internship, Small Animal Medicine & Surgery, Premier Veterinary Group, Chicago IL
  • Doctor of Veterinary Medicine, Iowa State University, Ames
  • Bachelor of Arts, Biology, University of Iowa, Iowa City
Dr. Mettenburg’s hobbies include running, thrifting, hand embroidery and cross-stitch, usually while listening to podcasts. She has an English bulldog named Beef, and a cat named Artie Bertram Thumbcat II.
Dr. David Wilson is board certified in small animal surgery. He is holding a small tan dog.
David Wilson
DVM, DACVS-SA
Surgery
David Wilson
DVM, DACVS-SA
BluePearl Veterinarian
Board Certified in Veterinary Surgery-Small Animal
Surgery
Servicing Locations
Dr. David Wilson has participated in clinical and basic research earning multiple awards in the areas of fracture traumatology, minimally invasive treatment of canine disorders, angular limb deformities and treatment of upper airway disease. His surgical interests include minimally invasive techniques laparoscopy, thoracoscopy, arthroscopy and minimally invasive fracture fixation, cardiothoracic procedures, surgical oncology, surgical therapy of elbow dysplasia, treatment of cranial cruciate ligament disease and fracture traumatology. In addition, he has a special interest in bracing and prosthetic solutions for the primary or supplemental treatment of an assortment of orthopedic conditions. Dr. Wilson also enjoys working closely with patients in post-surgical rehabilitation.
  • Diplomate, American College of Veterinary Surgeons-Small Animal
  • Residency, Small Animal Surgery, Colorado State University, Fort Collins
  • Internship, Small Animal Medicine & Surgery, Colorado State University, Fort Collins
  • Doctor of Veterinary Medicine, Iowa State University, Ames
  • Bachelor of Science, Iowa State University, Ames
Dr. Wilson enjoys traveling, scuba diving, running, swimming, supporting the Chicago sports teams, wine collecting and exploring all the great things the city has to offer.
Dr. Jordan Yesesky is a clinician in our emergency medicine service.
Jordan Yesesky
DVM
Emergency Medicine
Jordan Yesesky
DVM
BluePearl Veterinarian
Emergency Medicine
Servicing Locations
Dr. Jordan Yesesky is particularly interested in surgery and emergency stabilization.
  • Internship, Small Animal Surgery, BluePearl Veterinary Partners, Michigan
  • Internship, Small Animal Medicine & Surgery, BluePearl Veterinary Partners, Michigan
  • Doctor of Veterinary Medicine, Iowa State University, Ames
  • Bachelor of Science, Biology, University of Findlay, Ohio
Dr. Yesesky and his lab mix, Fitz, can often be found at the park playing with a tennis ball or walking around the city exploring. Kipper Noodleman Snugglesworth, III is the cat in the family. Dr. Yesesky, Fitz and Kip like to curl up on the couch reading a book or watching cooking shows.