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Meet the 24/7 Emergency and Critical Care Team

Doctors

Alison Allukian, DVM

 

 

 

 

 

 

 

 

Dr. Allukian completed her Emergency and Critical Care Residency at Tufts University in 2016, where she also received her Doctor of Veterinary Medicine in 2012. She stayed at Tufts for a year as a clinical lecturer.  After graduating, she undertook a small animal rotating internship at Angell Memorial Animal Medical Center.  This experience was the foundation for her desire to pursue specialty training in emergency and critical care. She joined Angell’s team in January 2018.

EDUCATION
Cummings School of Veterinary Medicine at Tufts University, Doctor of Veterinary Medicine (DVM), 2012

SPECIALTY TRAINING
Foster Hospital for Small Animals, Emergency and Critical Care Residency, 2016
Angell Animal Medical Center, Rotating Small Animal Internship, 2013

 

Matthew Araujo, VMD

 

 

 

 

 

 

 

 

EDUCATION
University of Pennsylvania School of Veterinary Medicine, VMD, 2023

SPECIALTY TRAINING
Angell Animal Medical Center, Rotating Internship, 2024

 

 

 

 

Jo-Hanna Azzara, DVM

 

 

 

 

 

 

 

 

 

EDUCATION
Cummings School of Veterinary Medicine at Tufts University, DVM, 2024

SPECIALTY TRAINING
Angell Animal Medical Center, Emergency & Critical Care Specialty Internship, 2025-2026
Angell Animal Medical Center, Rotating Internship, 2024-2025

 

 

Estefania Benavides, VMD

EDUCATION
University of Pennsylvania School of Veterinary Medicine, VMD, 2025

SPECIALTY TRAINING
Angell Animal Medical Center, Rotating Internship, 2026

 

 

Kiko Bracker, DVM, DACVECC-SA, Director, Emergency and Critical Care

 

 

 

 

 

 

 

 

 

 

 

 

Dr. Bracker is a boarded criticalist and co-directs Angell’s Emergency and Critical Care (E/CC) service in Boston with Dr. Meg Whelan. In 1997, Dr. Bracker completed his internship at Southwest Veterinary Specialty Center in Tucson, AZ, where he then worked for several years in their busy emergency service. In 2002, he accepted a residency position at Angell before becoming an Angell staff veterinarian in 2005 in the Emergency/Critical Care Department. Dr. Bracker oversees Angell’s E/CC residency program.

EDUCATION
University of California Davis School of Veterinary Medicine, DVM, 1997

SPECIALTY TRAINING
Angell Animal Medical Center, Residency in Emergency and Critical Care Medicine, 2002-2005
Southwest Veterinary Specialty Center, Internship in Small Animal Medicine and Surgery, 1998

CERTIFICATION
Diplomate, American College of Veterinary Emergency and Critical Care, 2005

 

 

 

 

 

 

David Carabetta, DVM, DACVECC-SA

 

 

 

 

 

 

 

 

 

EDUCATION
Ohio State University College of Veterinary Medicine, DVM, 2013

SPECIALTY TRAINING
Michigan State University College of Veterinary Medicine, Residency in Emergency and Critical Care, 2014-2017
Angell Animal Medical Center, Rotating Internship, 2013-2014

CERTIFICATION
Diplomate, American College of Veterinary Emergency and Critical Care, 2020

 

Kaitlyn Carberry, DVM

EDUCATION
Cornell University College of Veterinary Medicine, DVM, 2025

SPECIALTY TRAINING
Angell Animal Medical Center, Rotating Internship, 2026

 

Zachary Carlson-Sypek, DVM

 

 

 

 

 

 

 

 

EDUCATION
Midwestern University College of Veterinary Medicine, DVM, 2023

SPECIALTY TRAINING
Angell Animal Medical Center, Emergency & Critical Care Residency, 2022-2025
Angell Animal Medical Center, Rotating Internship, 2023-2024

 

 

 

 

 

 

Callie Cazlan Verschoor, DVM

 

 

 

 

 

 

 

 

Dr. Cazlan earned her undergraduate degree in Veterinary Technology from Quinnipiac University in Hamden, CT, before going on to attend veterinary school at Iowa State University. Following graduation, she completed a small animal medicine and surgery rotating internship at Angell Animal Medical Center. Following her internship year, Dr. Cazlan worked in RI for a few years as an emergency veterinarian at Ocean State Veterinary Specialists.  Ultimately, Dr. Cazlan decided to return to Boston to come back to Angell. She enjoys the fast pace and challenge of emergency medicine. Dr. Cazlan has a special interest in cardiology, endocrine emergencies, autoimmune disease, and feline medicine.

EDUCATION
Iowa State University College of Veterinary Medicine, DVM, 2016
Quinnipiac University, 2012

SPECIALTY TRAINING
Angell Animal Medical Center, Small Animal, and Surgery Rotating Internship, 2016-2017

 

 

Elton Chan, DVM

 

 

 

 

 

 

 

 

Dr. Chan earned a degree in Physiology from UCLA and went on to study veterinary medicine at Michigan State University. He finished a rotating internship at Angell in 2020 and briefly moved to Illinois. Despite the appeal of eating a deep-dish pizza every week for 8 months, Dr. Chan elected to return to Angell for its variety of interesting cases, awesome colleagues, and multi-specialty offerings. He has special interests in radiology and NPR podcasts.

EDUCATION
Michigan State University College of Veterinary Medicine, 2019

SPECIALTY TRAINING
Angell Animal Medical Center, Rotating Internship, 2019-2020

 

 

 

 

 

Nicole D'Addezio, VMD

 

 

 

 

 

 

 

 

 

Dr. Nicole D’Addezio graduated from the University of Pennsylvania School of Veterinary Medicine in 2016. After earning her degree, she completed a one-year rotating internship at Ocean State Veterinary Specialists in Rhode Island. She worked for two years with Ocean State’s ER service before joining the Veterinary Emergency Group in Boston. Dr. D’Addezio is keenly interested in emergency medicine but is also passionate about shelter medicine and animal welfare in underserved communities. She works for the MSPCA Boston Adoption Center in conjunction with Angell’s ECC service.

EDUCATION
University of Pennsylvania School of Veterinary Medicine, VMD, 2016

SPECIALTY TRAINING
Ocean State Veterinary Specialists, Rotating Internship, 2016-2017

Sage Demopoulos, DVM

EDUCATION
Cornell University College of Veterinary Medicine, DVM, 2025

SPECIALTY TRAINING
Angell Animal Medical Center, Rotating Internship, 2026

 

Alyssa Dooley, DVM

EDUCATION
Iowa State University College of Veterinary Medicine, DVM, 2025

SPECIALTY TRAINING
Angell Animal Medical Center, Rotating Internship, 2026

 

Kathryn Dorsey, DVM

EDUCATION
Iowa State University College of Veterinary Medicine, DVM, 2012

SPECIALTY TRAINING
The Animal Medical Center, Rotating Internship, 2012-2013

 

Ashlyn Frahn, DVM

EDUCATION
University of Florida, DVM, 2025

SPECIALTY TRAINING
Angell Animal Medical Center, Rotating Internship, 2026

Galit Frydman, DVM, PhD

 

 

Dr. Frydman holds positions in the Division of Trauma, Emergency Surgery and Surgical Critical Care at the Massachusetts General Hospital and in the Division of Comparative Medicine at the Massachusetts Institute of Technology, where she specializes in coagulopathies and immunothrombosis. Dr. Frydman has completed several fellowships at MIT, HMS and MGH, where she has developed and patented multiple diagnostic and medical devices. She has published numerous papers and book chapters on coagulation, platelet physiology, immunothrombosis and stem cell biology.

EDUCATION
Massachusetts Institute of Technology, Dept of Biological Engineering, PhD, 2018
University of Florida College of Veterinary Medicine, DVM, 2013

SPECIALTY TRAINING
Harvard Medical School, Massachusetts General Hospital, Dept of Surgery, Surgical Research Fellow, 2014-2019
Massachusetts Institute of Technology, Division of Comparative Medicine, Fellowship, 2013-2018

 

 

Lindsay Gallant, DVM

EDUCATION
Atlantic Veterinary College, DVM, 2025

SPECIALTY TRAINING
Angell Animal Medical Center, Rotating Internship, 2026

 

 

 

 

Michael Gay, DVM

 

 

 

 

 

 

Dr. Gay has worked as an emergency doctor at several veterinary specialty hospitals, learning from board-certified specialists in emergency and critical care, medicine, and surgery.  In 2002, Dr. Gay opened his own veterinary emergency hospital, rapidly becoming trusted for delivering high-quality emergency care to owners and their pets.  As an emergency doctor, Dr. Gay recognized the importance of anesthesia and pain control in critically ill dogs and cats and pursued specialty training in anesthesia and analgesia (pain relief) at the University of Georgia College of Veterinary Medicine.

EDUCATION
University of Georgia College of Veterinary Medicine, DVM, 1997

SPECIALTY TRAINING
University of Georgia College of Veterinary Medicine, Anesthesiology Residency
Veterinary Specialists of Connecticut, West Hartford, Rotating Internship

 

 

 

 

 

 

 

 

 

 

 

Deirdre Givens Mandryk, DVM

EDUCATION
Cummings School of Veterinary Medicine at Tufts University, DVM, 2025

SPECIALTY TRAINING
Angell Animal Medical Center, Rotating Internship, 2026

 

Ashley Goldacker, DVM

EDUCATION
The University of Tennessee College of Veterinary Medicine, DVM, 2021

SPECIALTY TRAINING
Angell Animal Medical Center, Emergency & Critical Care Residency, 2025-2028
Red Bank Veterinary Hospital, Avian and Exotic Specialty Internship, 2023
Iowa State University, Rotating Internship, 2022

Molly Graham, DVM, DACVECC

 

EDUCATION
Ross University School of Veterinary, DVM, 2020

SPECIALTY TRAINING
Angell Animal Medical Center, Emergency and Critical Care Residency, 2024
Angell Animal Medical Center, Rotating Internship, 2021

CERTIFICATION
Diplomate, American College of Veterinary Emergency and Critical Care, 2024

Sonya Greenberg, DVM

EDUCATION
Colorado State University, College of Veterinary Medicine & Biomedical Sciences, DVM, 2025

SPECIALTY TRAINING
Angell Animal Medical Center, Rotating Internship, 2026

 

Stephanie Han, DVM

EDUCATION
UC Davis School of Veterinary Medicine, DVM, 2025

SPECIALTY TRAINING
Angell Animal Medical Center, Rotating Internship, 2026

 

 

 

 

Alanna Horton, DVM

 

 

 

 

 

 

 

 

 

 

EDUCATION
Cornell University College of Veterinary Medicine, DVM, 2024

SPECIALTY TRAINING
Angell Animal Medical Center, Emergency & Critical Care Residency, 2025-2028
Angell Animal Medical Center, Rotating Internship, 2024-2025

 

 

 

 

 

 

Emily Hussey, DVM

EDUCATION
Atlantic Veterinary College, DVM, 2025

SPECIALTY TRAINING
Angell Animal Medical Center, Rotating Internship, 2026

 

 

 

Cristin Juda, VMD

EDUCATION
University of Pennsylvania School of Veterinary Medicine, VMD, 2025

SPECIALTY TRAINING
Angell Animal Medical Center, Rotating Internship, 2026

 

 

Audrey Koid, DVM, DACVECC-SA

 

 

 

 

 

 

 

 

EDUCATION
Cummings School of Veterinary Medicine at Tufts University, DVM, 2017

SPECIALTY TRAINING
Angell Animal Medical Center, Residency in Emergency and Critical Care Medicine, 2021
Angell Animal Medical Center, Rotating Internship, 2018

CERTIFICATION
Diplomate, American College of Veterinary Emergency and Critical Care, 2021

 

 

Ji-Hyun Lee, DVM

EDUCATION
Western University, DVM, 2025

SPECIALTY TRAINING
Angell Animal Medical Center, Rotating Internship, 2026

 

 

 

Ronan McEnroe, DVM

EDUCATION
Ross/Ohio State University, DVM, 2025

SPECIALTY TRAINING
Angell Animal Medical Center, Rotating Internship, 2026

 

 

 

 

Katherine McKean, DVM

 

 

 

 

 

 

 

Dr. McKean graduated from the Cummings School of Veterinary Medicine at Tufts University. After graduation, she completed a small animal medicine rotating internship at the Tufts Foster Hospital for Small Animals, before joining the emergency and critical care team at Angell.

EDUCATION
Cummings School of Veterinary Medicine at Tufts University, DVM, 2020

SPECIALTY TRAINING
Tufts Foster Hospital for Small Animals, Small Animal Rotating Internship, 2019-2020

 

Justine O’Donnell, DVM

EDUCATION
Washington State University College of Veterinary Medicine, DVM, 2025

SPECIALTY TRAINING
Angell Animal Medical Center, Rotating Internship, 2026

 

 

William Orrico, DVM

 

 

 

 

 

 

 

 

EDUCATION
Cummings School of Veterinary Medicine at Tufts University, DVM, 2023

SPECIALTY TRAINING
Angell Animal Medical Center, Emergency & Critical Care Residency, 2024-2027
Rotating Internship at Angell Animal Medical
Center, 2023-2024

 

 

Samantha Paucar, DVM

EDUCATION
Long Island University, DVM, 2025

SPECIALTY TRAINING
Angell Animal Medical Center, Rotating Internship, 2026

 

Irene Rassias, DVM

EDUCATION
Ross University School of Veterinary Medicine, DVM, 2025

SPECIALTY TRAINING
Angell Animal Medical Center, Rotating Internship, 2026

 

 

Christine Roviera, DVM

EDUCATION
Cornell University College of Veterinary Medicine, DVM, 2025

SPECIALTY TRAINING
Angell Animal Medical Center, Rotating Internship, 2026

 

Hailee Schaeffer, DVM

EDUCATION
University of Arizona College of Veterinary Medicine, DVM, 2025

SPECIALTY TRAINING
Angell Animal Medical Center, Rotating Internship, 2026

 

Megan Steinhilber, DVM

 

 

 

 

 

 

 

 

EDUCATION
Cornell University College of Veterinary Medicine, DVM, 2023

SPECIALTY TRAINING
Angell Animal Medical Center, Emergency & Critical Care Residency, 2024-2027
Angell Animal Medical Center, Rotating Internship, 2023-2024

 

 

Nathalie Suciu, VMD

 

 

 

 

 

 

 

 

 

EDUCATION
University of Pennsylvania School of Veterinary Medicine, VMD, 2021

SPECIALTY TRAINING
Angell Animal Medical Center, Rotating Internship, 2021-2022

 

 

 

 

Colette Toal, DVM

EDUCATION
Colorado State University College of Veterinary Medicine and Biomedical Sciences, DVM, 2025

SPECIALTY TRAINING
Angell Animal Medical Center, Rotating Internship, 2026

 

Sam Vitali, DVM

 

 

 

 

 

 

 

 

EDUCATION
Cornell University College of Veterinary Medicine, DVM, 2022

SPECIALTY TRAINING
Angell Animal Medical Center, ECC Resident, 2023-2026
Angell Animal Medical Center, ECC Rotating Internship, 2022-2023

 

 

 

Megan Whelan, DVM, DACVECC-SA, CVA, Internship Director and Chief Medical Officer

 

 

 

 

 

 

 

 

 

Dr. Whelan is the Chief Medical Officer of Angell in Boston and she co-directs the Emergency and Critical Care service with Dr. Bracker. Dr. Whelan is a 2003 graduate of Tufts University School of Veterinary Medicine. She completed a one-year internship program at Angell and a three-year E/CC residency at Tufts before joining Angell’s senior staff. She is board-certified by the American College of Veterinary Emergency and Critical Care, and is also Director of Angell’s Internship Program. As Internship Director, Dr. Whelan oversees the clinical education of new veterinarians as they rotate through all of Angell’s specialty services.

EDUCATION
Tufts University School of Veterinary Medicine, DVM, 2003
SPECIALTY TRAINING
Tufts University School of Veterinary Medicine, Residency in Emergency and Critical Care, 2004-2007
Angell Animal Medical Center, Rotating Internship, 2004
CERTIFICATION
Diplomate, American College of Veterinary Emergency and Critical Care, 2007

 

Emily Winn, DVM

,

EDUCATION
Michigan State University College of Veterinary Medicine, DVM, 2025

SPECIALTY TRAINING
Angell Animal Medical Center, Rotating Internship, 2026

 

 

 

 

 

Technicians & Support Team

Martha Andriolatos, CVT, VTS (ECC), Inpatient Services Lead

Martha graduated from the University of Connecticut with a bachelor’s degree in animal science in 2004. Soon after graduating in 2005, she became a part of the Angell team in the Inpatient Services department, primarily working in the Critical Care Unit (CCU), and has been a lead technician since 2011.  Along with her technician certification, she obtained her specialty certification in emergency and critical care in 2014.  When she is not busy saving lives in our CCU, Martha enjoys traveling and her time outdoors with family and friends. Kayaking, camping, and lounging on the beach are just a few of her favorites. Martha lives just outside of Boston with her goofy Boston terrier, Vern, and three cats: Mumfie, Blue Boy, and Mingo.

Rocio Carrasco, Inpatient Services Manager

Rocio has worked as an ICU nurse since 2004.  She was an Inpatient supervisor at Angell from 2004-2008.  She then worked at VCA Brookline as their lead technician until 2012. From 2012-2021 Rocio worked as the Clinical Technical Supervisor at Boston West Emergency and Critical Care (the Mass Vet Referral satellite hospital).  She managed all the technicians at that practice (ECC, IM, Surgery, Radiology, Ophthalmology) and worked on the clinical floor.  Rocio is fluent in Spanish, and some of her hobbies are photography, yoga, and hiking.

Melanie Coiro, CVT, VTS (ECC), Inpatient Services Lead

Melanie decided on a career change after many years as a successful Chef. She had always been inter
ested in animal biology with studies from the University of Buffalo. After nursing 2 20yr old cats at home, she knew she’d found her second passion.Melanie began working at Angell 14 years ago as a primary care attendant while she completed her veterinary technician degree through an online program at St. Petersburg College in Fl. She obtained her certification and became a CVT in 2005 and achieved her VTS (ECC) certification in 2016.  Melanie has been a Lead Critical Care technician since 2009.Melanie still loves to cook at home and baking treats for her fellow employees. She spends her free time traveling with her husband and relaxing with her cats, Yoda and Clementine.

Tina Dibella, Inpatient Service Lead

Tina graduated from Becker College in 2006 with a Bachelor’s degree in Veterinary Science. She joined the Angell team in 2005 as an attendant and moved into a Critical Care Unit technician position in 2006. Tina received her Veterinary Technician Specialist Certification in Emergency and Critical Care in 2014 and has been an Inpatient Services Lead technician since 2019. Outside of work Tina enjoys spending time with her family and their cat, Lola.

Kylie Steele, CVT, Specialty Liaison