Our Veterinarians

Heather Chalfant
VMD
Emergency Medicine
Heather Chalfant
VMD
Emergency Medicine
Servicing Locations
Dr. Heather Chalfant is particularly interested in the emergency presentation of endocrine disorders.
  • Internship, Small Animal Medicine/Surgery, University of Minnesota, St. Paul
  • Doctor of Veterinary Medicine, University of Pennsylvania, Philadelphia
  • Bachelor of Science, Lafayette College, Easton PA
Dr. Chalfant and her family, which includes two daughters, love anything outdoors, but especially biking, swimming, skiing, sledding and gardening.
Kim Cronin
DVM, DACVIM (Oncology)
Oncology
Kim Cronin
DVM, DACVIM (Oncology)
Board Certified in Veterinary Oncology
Oncology
Servicing Locations
After spending three years as a clinical instructor at the School of Veterinary Medicine at the University of Pennsylvania, Dr. Kim Cronin still finds it important to help educate primary care veterinarians and clients. Her particular clinical interests include lymphoma and mast cell tumors.
  • Diplomate, American College of Veterinary Internal Medicine (Oncology)
  • Residency, North Carolina State University, Raleigh, NC
  • Internship, Small Animal Medicine & Surgery, Animal Medical Center, New York City
  • Doctor of Veterinary Medicine, Cornell University, Ithaca NY
  • Bachelor of Science, College of William and Mary, Williamsburg, VA
Dr. Cronin enjoys yoga, gardening and baking. She also enjoys spending time with her husband, their dog Angelus and cat Jello.
Kristina DePaula
DVM, DACVECC
Critical Care
Kristina DePaula
DVM, DACVECC
Board Certified in Veterinary Emergency & Critical Care
Critical Care
Servicing Locations
Dr. Kristina DePaula's particular clinical interests include trauma, coagulation disorders and sepsis.
  • Diplomate, American College of Veterinary Emergency & Critical Care
  • Residency, Emergency & Critical Care Medicine, Tufts University, North Grafton MA
  • Internship, Small Animal Medicine & Surgery, BluePearl Veterinary Partners, New York City NY
  • Doctor of Veterinary Medicine, Tufts University, North Grafton MA
  • Bachelor of Arts, College of the Holy Cross, Worcester MA
Dr. DePaula loves spending time outdoors with her husband and two dogs, River and Turner, and lounging on the couch with her two cats, Finn and Maki. Other favorite pastimes include travel, miniature golf, karaoke and cooking.
Ariane Goerlich
TA, DVM
Emergency Medicine
Ariane Goerlich
TA, DVM
Emergency Medicine
Servicing Locations
Dr. Ariane Goerlich got her start in veterinary medicine in her native Germany. Her particular clinical interests include trauma, sepsis, endocrine and ophthalmic emergencies, and management of acute and chronic pain.
  • ECFVG Certification, Tufts University, North Grafton MA
  • Tieraerzt (TA), Ludwig Maximilian University, Munich, Germany
  • Abitur (German undergraduate degree), Biology, French
Dr. Goerlich and her husband have one adult son. Her favorite pastimes include winter sports, horseback riding, gardening, concerts and ballet, and visiting friends and family in Munich, Germany. Dr. Goerlich also competes in dog sports with Rimke, a Dutch Stabyhoun, which is a rare sporting dog breed. The family also has two cats, Louis and Loki.
Amy Goldstein
DVM
Emergency Medicine
Amy Goldstein
DVM
Emergency Medicine
Servicing Locations
Dr. Goldstein has a special interest in emergency treatment of endocrine diseases, toxins and feline medicine.
  • Doctor of Veterinary Medicine, Tufts Cummings School of Veterinary Medicine, North Grafton MA
  • Internship, Small Animal Medicine & Surgery, VCA South Shore Animal Hospital, Weymouth MA
  • Bachelor of Science, Lafayette College, Easton PA
Dr. Goldstein enjoys traveling, hiking, reading and spending time with her family and friends, including her four cats.
Erin McGowan
VMD, DACVECC
Critical Care
Erin McGowan
VMD, DACVECC
Board Certified in Veterinary Emergency & Critical Care
Critical Care
Servicing Locations
Dr. Erin McGowan's clinical interests include coagulopathies, fluid therapy, systemic inflammatory response syndrome and sepsis.
  • Diplomate, American College of Veterinary Emergency & Critical Care
  • Residency, Emergency and Critical Care, University of Pennsylvania, Philadelphia
  • Internship, Small Animal Medicine & Surgery, Red Bank Veterinary Hospital, Tinton Falls NJ
  • Doctor of Veterinary Medicine, University of Pennsylvania, Philadelphia
  • Bachelor of Arts, Chemistry, Colby College, Waterville ME
Dr. McGowan's favorite pastimes include boxing, hiking and traveling with her husband. They share their home with pit bull mix Barnie, and cats Frank, Kyle and Ozzie.
Caleb Murphy
VMD
Emergency Medicine
Caleb Murphy
VMD
Emergency Medicine
Servicing Locations
Dr. Caleb Murphy's professional interests include shock, trauma, and urinary and reproductive emergencies.
  • Internship, Small Animal Medicine & Surgery, BluePearl Veterinary Partners, New York City
  • Doctor of Veterinary Medicine, University of Pennsylvania, Philadelphia
  • Bachelor of Arts, Amherst College, Amherst MA
Dr. Murphy lives in Waltham with his wife and young son, as well as two cats and a lazy greyhound. Dr. Murphy moved his family from Brooklyn in order to be closer to the Boston Red Sox.
Mary Ann Nieves
DVM, MS, DACVS
Surgery
Mary Ann Nieves
DVM, MS, DACVS
Board Certified in Veterinary Surgery
Surgery
Servicing Locations
Before joining us, Dr. Mary Ann Nieves taught clinical and didactic small animal surgery and dentistry at Iowa State University. She has served as a surgeon as the need arose at several other teaching institutions including the Atlantic Veterinary College, Mississippi State University and Louisiana State University. She performs and enjoys soft tissue, orthopedic and neurosurgery, but has a special interest in surgical oncology, orthopedic and maxillofacial surgery, and pain management. Dr. Nieves is a reviewer for the Journal of the American Animal Hospital Association.
  • Certification, Tibial Plateau Leveling Osteotomy
  • Certification, PennHip Evaluation
  • Certification, Advanced Total Hip Replacement Workshop
  • Diplomate, American College of Veterinary Surgeons
  • Residency, Surgery, Iowa State University, Ames
  • Doctor of Veterinary Medicine, Oklahoma State University, Stillwater
  • Master of Science, Veterinary Surgery, Iowa State University, Ames
  • Bachelor of Arts, University of Colorado, Boulder
Dr. Nieves enjoys time with her family including her four-footed family Ginger, Milo, Twiggy and Lucy, coastal and deep sea fishing, sailing, hiking, gardening, and traveling to see friends and family.
Nicholas Rinaldi
DVM
Oncology
Nicholas Rinaldi
DVM
Oncology
Servicing Locations
Dr. Rinaldi was drawn to the specialty of oncology to be able to give clients that extra quality time with their pets. He is particularly interested in lymphoma, leukemia, and transitional cell carcinoma of the bladder.
  • Residency, Veterinary Oncology, New England Veterinary Oncology Group, Waltham MA
  • Internship, Atlantic Coast Veterinary Specialists, Bohemia NY
  • Doctor of Veterinary Medicine, Ross University, St. Kitts & Nevis, West Indies
  • Bachelor of Science, Animal Science, Rutgers the State University of New Jersey, New Brunswick
Dr. Rinaldi enjoys time with friends and family, including his wife and Labrador retriever mix Bella. He also enjoys traveling, cooking, and fishing.
Melisa Rosenthal
DVM, DACVIM (SAIM)
Internal Medicine
Melisa Rosenthal
DVM, DACVIM (SAIM)
Board Certified in Small Animal Internal Medicine
Internal Medicine
Servicing Locations
Dr. Melisa Rosenthal has a particular interest in nephrology and all manner of kidney diseases. She is excited about the advances in dialysis as well as all types of minimally invasive interventional procedures.
  • Diplomate, American College of Veterinary Internal Medicine (Small Animal Internal Medicine)
  • Residency, Small Animal Internal Medicine, Tufts University, North Grafton MA
  • Internship, Small Animal Medicine & Surgery, University of Pennsylvania, Philadelphia
  • Doctor of Veterinary Medicine, Cornell University, Ithaca NY
  • Bachelor of Science, Biochemistry and Cell Biology, Rice University, Houston TX
  • Bachelor of Arts, Hispanic Studies, Rice University, Houston TX
Dr. Rosenthal enjoys reading and bird watching, a hobby she developed while working in ecological research in college. She and her husband, a doctor of human medicine, have three cats, Naomi, Aria and Nora.
Leslie Schwarz
DVM, MS, DACVR
Diagnostic Imaging
Leslie Schwarz
DVM, MS, DACVR
Board Certified in Veterinary Radiology
Diagnostic Imaging
Servicing Locations
Dr. Leslie Schwarz’s professional interests include small animal radiology, abdominal and non-cardiac thoracic ultrasound and CT. She has a particular interest in the imaging of oncology patients.
  • Diplomate, American College of Veterinary Radiology
  • Residency, Veterinary Radiology, Tufts University, North Grafton MA
  • Internship, Small Animal Medicine & Surgery, Angell Memorial Animal Hospital, Boston MA
  • Doctor of Veterinary Medicine, University of Missouri, Columbia
  • Master of Science, Animal Science, Rutgers University, New Brunswick NJ
  • Bachelor of Science, Cook College, Rutgers University, New Brunswick NJ
When Dr. Schwarz is not busy attending her children’s various sports, music, or school events, she enjoys skiing, traveling with her family, and keeping her yellow lab, Chica, out of trouble.
Bari Spielman
DVM, DACVIM
Internal Medicine
Bari Spielman
DVM, DACVIM
Board Certified in Veterinary Internal Medicine
Internal Medicine
Servicing Locations
Dr. Bari Spielman has a strong interest in gastroenterology and GI endoscopy as well as endocrinology, hepatic and renal disease, and immune mediated disorders. In 2001, she became head of internal medicine at the Veterinary Emergency and Specialty Center of New England, which is now BluePearl Veterinary Partners.
  • Diplomate, American College of Veterinary Internal Medicine
  • Residency, Internal Medicine, Animal Medical Center, New York City
  • Internship, General Medicine & Surgery, Oradell Animal Hospital, Oradell NJ
  • Doctor of Veterinary Medicine, University of Tennessee, Knoxville
  • Bachelor of Science, University of Massachusetts, Amherst
Dr. Spielman is a maniacal sports fan, especially loyal to the Patriots, Bruins, Red Sox and Volunteers. She is knee deep in dirt all summer, tending to her many gardens.
Marcia Whiteley
DVM, DACVR
Diagnostic Imaging
Marcia Whiteley
DVM, DACVR
Board Certified in Veterinary Radiology
Diagnostic Imaging
Servicing Locations
Dr. Marcia Biber Whiteley is an active lecturer on imaging topics for veterinarians and veterinary technicians throughout the Midwest and Northeast. She is especially interested in non-cardiac and abdominal ultrasound and radiology.
  • Diplomate, American College of Veterinary Radiology
  • Residency, Veterinary Radiology, University of Minnesota, St. Paul
  • Doctor of Veterinary Medicine, Purdue University, West Lafayette IN
  • Bachelor of Science, Cook College, Rutgers University, New Brunswick NJ
You can find Dr. Whitely wrapped up in a good book, cooking, at the theatre, or cheering on her beloved St. Louis Cardinals.
Clara Williams
DVM, MS, DACVO
Ophthalmology
Clara Williams
DVM, MS, DACVO
Board Certified in Veterinary Ophthalmology
Ophthalmology
Servicing Locations
Dr. Clara Williams understands that vision is a privilege and finds it gratifying to be someone who helps preserve it. She has traveled to Bolivia, Colombia and the Dominican Republic to provide ophthalmology education to faculty and students of veterinary schools. Her favorite procedure is bilateral cataract surgery because it provides her the opportunity to potentially restore vision.
  • Diplomate, American College of Veterinary Ophthalmologists
  • Residency, Ophthalmology, University of Georgia, Athens
  • Master of Science, Pathology, University of Georgia, Athens
  • Internship, Small Animal Medicine & Surgery, Tuskegee University, AL
  • Doctor of Veterinary Medicine, Universidad de Antioquia, Medillin, Colombia
Married with two stepchildren and five grandchildren, Dr. Williams enjoys visiting her home country of Colombia to see her mother and siblings. She is an avid reader and road biker and enjoys that her husband does the cooking. The family has three pets: Labrador retriever Bruno, and cats Lunita and Tiglo.
Alexis Zallas
DVM
Emergency Medicine
Alexis Zallas
DVM
Emergency Medicine
Servicing Locations
Some or Dr. Alexis Zallas' favorites include internal medicine cases like diabetes or Addison’s disease, oncologic emergencies such as lymphoma, and surgical emergencies like gastric dilatation volvulus. She also enjoys treating clotting disorders.
  • Internship, Small Animal Medicine & Surgery, VCA Shoreline & VCA Norwalk Veterinary Referral and Emergency Centers, CT
  • Doctor of Veterinary Medicine, University of Missouri, Columbia
  • Bachelor of Arts, Biology, Regis College, Weston MA
Passionate about her Greek heritage, Dr. Zallas has been to Greece multiple times. She actively participates in Greek events in the Boston community and loves cooking with her mother while listening to Greek music.