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Our Veterinarians

Dr. Jennifer Adler is board certified in small animal internal medicine. She is next to a brown and black wire-haired dog.
Jennifer Adler
MSc, VMD, DACVIM (SAIM)
Internal Medicine
Jennifer Adler
MSc, VMD, DACVIM (SAIM)
Board Certified in Small Animal Internal Medicine
Internal Medicine
Servicing Locations
As an experienced veterinary interest, Dr. Jennifer Adler treats a variety of conditions in pets. She focuses on the entire client and patient experience and strives to provide exceptional care. Her approach to veterinary internal medicine involves fostering long-term relationships with clients to help them care for their pets.
  • Diplomate, American College of Internal Medicine (Small Animal Internal Medicine)
  • Residency, Small Animal Internal Medicine, University of Pennsylvania, Philadelphia
  • Internship, Small Animal Medicine & Surgery, VCA West Los Angeles Hospital, CA
  • Doctor of Veterinary Medicine, University of Pennsylvania, Philadelphia
  • Master of Science, Environmental Assessment and Evaluation, London School of Economics and Political Science, United Kingdom
  • Bachelor of Arts, Sociology, Boston College, Chestnut Hill MA
Dr. Adler is married with three children. She has two dogs, Gertie and Tilda. Outside of work, she enjoys staying active, visiting the beach, traveling, cooking and reading.
Dr. Donniel Astor is board certified in small animal surgery.
Donniel Astor
DVM, DACVS-SA
Surgery
Donniel Astor
DVM, DACVS-SA
Board Certified in Small Animal Surgery
Surgery
Servicing Locations
Dr. Jennifer Baez is board certified in both small animal internal medicine and veterinary oncology. She is next to a golden retriever.
Jennifer Baez
VMD, DACVIM (SAIM), DACVIM (Oncology)
Oncology, Internal Medicine
Jennifer Baez
VMD, DACVIM (SAIM), DACVIM (Oncology)
Board Certified in Small Animal Internal Medicine; Board Certified in Veterinary Oncology
Oncology, Internal Medicine
Servicing Locations
Dr. Claire Blohm is an emergency medicine veterinarian.
Claire Blohm
VMD
Emergency Medicine
Claire Blohm
VMD
Emergency Medicine
Servicing Locations
Dr. Morgan Callahan is an emergency medicine veterinarian. She is holding a small white dog.
Morgan Callahan
VMD
Emergency Medicine
Morgan Callahan
VMD
Emergency Medicine
Servicing Locations
Dr. Morgan Callahan has more than 15 years’ experience as an emergency clinician. She finds it rewarding when critically ill pets get better and return home with their owners.
  • Internship, Small Animal Medicine & Surgery, Garden State Veterinary Specialists, Tinton Falls NJ
  • Doctor of Veterinary Medicine, University of Pennsylvania, Philadelphia
  • Bachelor of Biological Science, University of Pennsylvania, Philadelphia
Dr. Callahan and her husband have two children and three cats, as well as a dog, guinea pig and leopard gecko. In her spare time, she enjoys biking, hiking and reading.
Dr. Sraboni Chatterjee is an emergency medicine veterinarian.
Sraboni Chatterjee
VMD
Emergency Medicine
Sraboni Chatterjee
VMD
Emergency Medicine
Servicing Locations
Dr. Edwin Darrin is board certified in veterinary neurology.
Edwin Darrin
VMD, DACVIM (Neurology)
Neurology
Edwin Darrin
VMD, DACVIM (Neurology)
Board Certified in Veterinary Neurology
Neurology
Servicing Locations
Dr. Suzanne Dempsey is in veterinary emergency and critical care medicine. She is pictured next to a golden retriever.
Suzanne Dempsey-Kulessa
DVM, DACVECC
Critical Care
Suzanne Dempsey-Kulessa
DVM, DACVECC
Critical Care
Servicing Locations
Dr. Ashlea Erk is a small animal medicine and surgery intern.
Ashlea Erk
VMD, CVA
Associate Veterinarian
Ashlea Erk
VMD, CVA
Associate Veterinarian
Servicing Locations
Dr. Karlin Erk is an emergency medicine veterinarian. He is hugging a brown and white spotted dog.
Karlin Erk
VMD
Emergency Medicine
Karlin Erk
VMD
Emergency Medicine
Servicing Locations
Dr. Karlin Erk has over 15 years of emergency experience. He is passionate about trauma cases as well as the rapid assessment and treatment process for animals with emergency conditions.
  • Doctor of Veterinary Medicine, University of Pennsylvania, Philadelphia
  • Bachelor of Science, Pennsylvania State University, State College
Dr. Erk is married with three sons. He has completed the Ironman, which involves 140.6 miles of distance.
Dr. Jessie Anne Fejes is an emergency medicine veterinarian.
Jessie Ann Fejes
VMD
Emergency Medicine
Jessie Ann Fejes
VMD
Emergency Medicine
Servicing Locations
Dr. Timothy Geis is an emergency medicine veterinarian.
Timothy Geis
DVM
Emergency Medicine
Timothy Geis
DVM
Emergency Medicine
Servicing Locations
Dr. Meredith Kasprow is an emergency medicine veterinarian.
Meredith Kasprow
VMD
Emergency Medicine
Meredith Kasprow
VMD
Emergency Medicine
Servicing Locations
Dr. Melissa Logan is board certified in veterinary neurology.
Melissa Logan
PhD, DVM, DACVIM (Neurology)
Neurology
Melissa Logan
PhD, DVM, DACVIM (Neurology)
Board Certified in Veterinary Neurology
Neurology
Servicing Locations
Dr. Melissa Logan’s special interests in veterinary neurology include muscle and nerve disorders, neuromuscular disease, spinal cord injury and inflammatory brain/spinal disease.
  • Diplomate, American College of Veterinary Internal Medicine (Neurology)
  • Residency, Neurology, Purdue University, West Lafayette IN
  • Internship, Small Animal Medicine & Surgery, Purdue University, West Lafayette IN
  • Doctor of Veterinary Medicine, Purdue University, West Lafayette IN
  • Doctor of Philosophy, Neuroelectrophysiology, Purdue University, West Lafayette IN
  • Bachelor of Science, Animal Bioscience, Pennsylvania State University, State College
In her free time, Dr. Logan likes to spend time with family and friends. She loves outdoor activities including hiking, jogging and playing sports. She also enjoys cooking and baking.
Dr. Martha Low is board certified veterinary ophthalmology.
Martha Low
DVM, DACVO
Ophthalmology
Martha Low
DVM, DACVO
Board Certified in Veterinary Ophthalmology
Ophthalmology
Servicing Locations
Dr. Molly Maurer is an emergency medicine veterinarian.
Molly Maurer
VMD
Emergency Medicine
Molly Maurer
VMD
Emergency Medicine
Servicing Locations
As a dedicated emergency clinician, Dr. Molly Maurer’s special interests include shock and diabetic ketoacidosis (DKA) cases. She enjoys working in collaboration with other specialty services.
  • Internship, Small Animal Medicine & Surgery, BluePearl Specialty & Emergency Pet Hospital, Sandy Springs GA
  • Doctor of Veterinary Medicine, University of Pennsylvania, Philadelphia
  • Bachelor of Arts, Biology, Swarthmore College, PA
In her free time, Dr. Maurer enjoys reading and spending time outdoors. She has a rescued rabbit named Mr. Bumbles.
Dr. Elisa McEntee is a veterinarian in our internal medicine service. She is next to a golden retriever.
Elisa McEntee
DVM
Internal Medicine
Elisa McEntee
DVM
Internal Medicine
Servicing Locations
Dr. Elisa McEntee enjoys forming relationships with pets with chronic diseases and their families. Her diverse experience treating diseases in pets helps her develop comprehensive care plans for pets – with the goal of extending quality of life.

She performs many diagnostic and treatment procedures, including upper/lower gastrointestinal endoscopy, cystourethroscopy, nasopharyngoscopy /rhinoscopy and tracheobronchoscopy. Her special interests include immune-mediated diseases, gastrointestinal diseases and renal diseases.
  • Residency, Small Animal Internal Medicine, Animal Medical Center, New York NY
  • Internship, Small Animal Medicine & Surgery, Animal Medical Center, New York NY
  • Doctor of Veterinary Medicine, University of California, Davis
  • Bachelor of Arts, History, University of California, Berkeley
In her spare time, Dr. McEntee enjoys running, photography and reading. She has a 10-year-old Dachshund and a 5-year-old Chihuahua.
Dr. Jessica Midence is board certified in veterinary internal medicine.
Jessica Midence
DVM, DACVIM
Internal Medicine
Jessica Midence
DVM, DACVIM
Board Certified in Veterinary Internal Medicine
Internal Medicine
Servicing Locations
Dr. Danielle O'Brien is an emergency medicine veterinarian.
Danielle O'Brien
BVM&S
Emergency Medicine
Danielle O'Brien
BVM&S
Emergency Medicine
Servicing Locations
Dr. Beth Overley is board certified in veterinary oncology. She is holding a wire-haired brown dog.
Diane Overley
VMD, DACVIM (Oncology)
Oncology
Diane Overley
VMD, DACVIM (Oncology)
Board Certified in Veterinary Oncology
Oncology
Servicing Locations
Dr. Jason Palaigos is an emergency medicine veterinarian. He is holding a brown and white dog.
Jason Palaigos
VMD
Emergency Medicine
Jason Palaigos
VMD
Emergency Medicine
Servicing Locations
As an emergency clinician, Dr. Jason Palaigos is particularly interested in trauma, toxicology and emergency abdominal surgery cases.
  • Internship, Small Animal Medicine & Surgery, Center for Animal Referral and Emergency Services, Langhorne PA
  • Doctor of Veterinary Medicine, University of Pennsylvania, Philadelphia
  • Bachelor of Science, Biology, Loyola University Maryland, Baltimore
Outside of work, Dr. Palaigos likes visiting national parks, hiking, traveling and completing projects around the house. He enjoys spending time with his wife and their dog, Trixie.
Dr. David Puerto is board certified in veterinary surgery. He is hugging a black dog and a pug.
David Puerto
DVM, DACVS
Surgery
David Puerto
DVM, DACVS
Board Certified in Veterinary Surgery
Surgery
Servicing Locations
Dr. David Puerto has extensive experience performing minimally invasive procedures on the joints, abdomen and chest. His special interests include orthopedic, reconstructive and minimally invasive surgeries. He enjoys performing arthroscopy and laparoscopy procedures, which typically allow for rapid recovery and minimal pain.
  • Diplomate, American College of Veterinary Surgeons
  • Residency, Small Animal Surgery, University of Pennsylvania, Philadelphia PA
  • Internship, Small Animal Medicine & Surgery, University of Pennsylvania, Philadelphia PA
  • Doctor of Veterinary Medicine, Cornell University, Ithaca NY
Dr. Puerto likes outdoor activities including mountain and road biking, skiing, running and horseback riding. He and his wife, who is also a veterinarian, have two sons and a menagerie of pets, including two black Labs, one cat, chickens and fish.
Dr. Gary Puglia is board certified in veterinary emergency and critical care medicine.
Gary Puglia
DVM, DACVECC
Critical Care
Gary Puglia
DVM, DACVECC
Critical Care
Servicing Locations
Dr. Stephanie Rosenheck is board certified in small animal surgery.
Stephanie Rosenheck
DVM, DACVS-SA
Surgery
Stephanie Rosenheck
DVM, DACVS-SA
Board Certified in Veterinary Surgery-Small Animal
Surgery
Servicing Locations
Dr. Stephanie Rosenheck is highly experienced in all areas of veterinary surgery, including orthopedic and soft tissue. Her special interests include oncologic, reconstructive and soft tissue surgeries, as well as advanced wound management.
  • Diplomate, American College of Veterinary Surgeons-Small Animal
  • Residency, Small Animal Surgery, Red Bank Veterinary Hospital, Tinton Falls NJ
  • Internship, Small Animal Medicine & Surgery, Red Bank Veterinary Hospital, Tinton Falls NJ
  • Doctor of Veterinary Medicine, Western University, Pomona CA
Dr. Stephanie Rosenheck and her husband have twin children and three cats. She spends her free time sleeping, eating and enjoying outdoor activities.
Dr. Kathryn Zatroch is board certified in in veterinary anesthesiology and pain management.
Kathryn Zatroch
DVM, DACVAA
Anesthesiology & Pain Management
Kathryn Zatroch
DVM, DACVAA
Board Certified in Veterinary Anesthesiology and Pain Management
Anesthesiology & Pain Management
Servicing Locations