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Staff Role: Veterinarian - Specialist

Simone March, BVM&S, DACVR

Veterinarian - Specialist

Dr. March brings a strong and diverse background in veterinary medicine. She earned her veterinary degree from the University of Edinburgh and went on to complete a diagnostic imaging residency, developing expertise in advanced imaging modalities including ultrasound, CT, and MRI. Her clinical experience spans both equine and small animal medicine, with a particular passion for equine sports medicine and imaging. Dr. March’s path into veterinary medicine is both unique and inspiring.

Before pursuing her DVM, she worked in behavioral research and addiction studies, but ultimately followed her longstanding passion for working with animals—especially horses. Her career has taken her from New Jersey to Scotland, Pennsylvania, and Connecticut, shaping her into a well-rounded clinician and educator.

Molly Allen, DVM, DACVAA

Veterinarian - Specialist

Dr. Allen is a board-certified veterinary anesthesiologist (DACVAA) with a background in private practice and clinical leadership. She earned her Doctor of Veterinary Medicine (DVM) from Tufts Cummings School of Veterinary Medicine and completed her residency in anesthesia and pain management at the University of Wisconsin-Madison.

After completing her residency, Dr. Allen practiced in specialty hospitals in Milwaukee and Boston, where she gained experience managing complex anesthetic cases, implementing evidence-based pain management protocols, and training veterinary staff across multiple specialties. She later transitioned into a leadership role based in Connecticut, supporting clinical teams and advancing standards of care across multiple hospitals throughout the northeast US.

Dr. Allen has a particular interest in pain management and regional anesthesia techniques, as well as anesthetic management of critically ill patients. She is passionate about promoting patient safety, comfort, and outcomes through individualized anesthetic care, team education, and multispecialty collaboration.

Samantha Monck, DVM, DACVS – Small Animal

Veterinarian - Specialist

Dr. Samantha Monck is a Veterinary Surgeon at Pieper Veterinary, practicing with a focus on small animal surgery. She joined the Pieper team in September 2025. Originally from Orange, Connecticut, Dr. Monck brings advanced surgical training and a thoughtful, patient-centered approach to every case.

Dr. Monck earned her undergraduate degree from the University of Vermont in 2015 before completing her Doctor of Veterinary Medicine degree at Colorado State University in 2019. She went on to complete a small animal surgery internship from 2021 to 2022, followed by a small animal surgery residency from 2022 to 2025 at North Carolina State University College of Veterinary Medicine. Her additional training includes advanced coursework in arthroscopy, minimally invasive surgery, and fracture management.

Outside of work, Dr. Monck enjoys spending time outdoors with her fiancé, Elliot, especially running, biking, kayaking, and hiking. She shares her home with two pets: Lucy, an 8-year-old female gray tabby cat, and Murph, a 5-month-old male Pointer/Hound mix who keeps her on her toes.

Special Interests:

  • Gastrointestinal, thoracic, and laparoscopic surgery
  • Intracorporeal gastropexy

Brigid Lemburg, DVM, DACVECC

Veterinarian - Specialist

Dr. Brigid Lemburg is a board-certified Criticalist at Pieper Veterinary. She joined the team in September 2025 and brings advanced training and a deep commitment to caring for critically ill patients. Originally from Iowa, Dr. Lemburg is passionate about helping patients recover through the most challenging moments of illness and injury.

Dr. Lemburg earned her Bachelor of Science degree in Biology from the University of Iowa in 2016 before completing her Doctor of Veterinary Medicine degree at Iowa State University in 2020. She went on to complete an internship and residency at the University of Wisconsin from 2020 to 2024, achieving board certification in veterinary emergency and critical care.

Dr. Lemburg finds the greatest fulfillment in seeing critical care patients recover and watching their personalities and joy return. Outside of work, she shares her home with her cat, Stanley, whom she proudly describes as the most perfect thing ever.

Special Interests:

  • Management of polytrauma
  • Sepsis

Zach Stillman, DVM

Veterinarian- Specialist

Dr. Zachary Stillman is a Veterinarian practicing Emergency and Critical Care at Pieper Veterinary. He joined the team in September 2025 after completing a small animal rotating internship at Pieper Memorial. Originally from the Hudson Valley region of New York, Dr. Stillman brings a strong foundation in emergency medicine and a compassionate, thoughtful approach to patient care.

Dr. Stillman earned his Bachelor’s degree in Veterinary Technology from Mercy College in 2016 and his Doctor of Veterinary Medicine degree from Ross University in 2021. He went on to complete a residency in Small Animal Emergency and Critical Care at Pieper Memorial from 2022 to 2025. He is a member of the American Veterinary Medical Association (AVMA) and the Veterinary Emergency and Critical Care Society (VECCS).

Dr. Stillman lives in Rhode Island with his partner, Cilicia, and their chihuahua, Pancho. Outside of work, he enjoys reading, playing video games, and hiking.

Special Interests:

  • Trauma management
  • Ultrasonography
  • Hospice and palliative care

Michael Hitt, DVM, Practice Limited to Surgery

Veterinarian - Specialist

Dr. Michael Hitt is a Surgery Resident who has been with Pieper Veterinary starting in the summer of 2021. Originally from Albany, NY, Dr. Hitt graduated from the College of Saint Rose with a Bachelors of Science in Biology, and obtained his Doctorate of Veterinary Medicine from Louisiana State University in 2020. He completed a rotating internship in small animal medicine at Cornell University and an internship in small animal surgery at Pieper Veterinary. He has clinical interests in emergency surgery and fracture repairs and management.

During veterinary school Dr. Hitt adopted his husky mix “Thatcher,” who has been by his side through all of his subsequent training and education. When not at work, he enjoys snowboarding, jet skiing, working on his car, and spending time with Thatcher.

Special Interests:

  • Emergency surgery
  • Fracture repair and management

Ariane Jay, DVM, DACVS – Small Animal

Veterinarian - Specialist

Dr. Ariane R. Jay has been a Veterinary Surgeon with Pieper Veterinary since 2014 and specializes in a variety of surgeries, including head and neck, minimally invasive, gastrointestinal, and thoracic.

Dr. Jay received her BA from Oberlin College in 2000, where she studied anthropology and dance, followed by her post-bac in 2006 from Hunter College in NY. Dr. Jay received her DVM from Cornell College of Veterinary Medicine in 2010. She is a member of the ACVS, AVMA, and CVMA. Following her education, Dr. Jay completed both a Small Animal Rotating Internship and a Small Animal Surgery Residency at Cornell College of Veterinary Medicine.

At home, Dr. Jay spends time with her son, Kiran and daughter, Asha. They have two dogs: a cattle dog mix named Oakley, and Everest, a German shepherd dog. Before becoming a veterinarian, Dr. Jay pursued a career as a modern dancer. She loves hiking, reading, and watching movies, but most of all, she loves cuddling her patients and working to save their lives to return them to their families.

Special Interests:

  • Head and neck surgery
  • Thoracic surgery
  • Minimally invasive techniques
  • Gastrointestinal procedures

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Heather Mossman, BVSc (dist), DACVS – Small Animal

Veterinarian - Specialist

Dr. Mossman graduated from Kalamazoo College before attending veterinary school at Massey University in New Zealand, where she graduated at the top of her class. She practiced as a primary care veterinarian in Michigan and in England, before returning to the States to pursue further training. Dr. Mossman completed her internship at MSPCA-Angell Animal Medical Center in Boston. She then completed her surgical residency at Veterinary Surgical Centers in northern Virginia, where her research included evaluating techniques for tibial plateau leveling osteotomy (TPLO).

She brings compassion and a high standard of care to her work, and enjoys the challenge of a diverse soft tissue and orthopedic caseload, and keeping up with latest techniques and research. Her special interests include pain management, critical care, advanced soft tissue techniques, including skin reconstruction, and minimally invasive techniques, such as laparoscopy and thoracoscopy.

She moved to CT from England, with her husband, their dog, Quimby, and cat, Money Penny. She enjoys travel, outdoor activities, and entertaining friends and family.

Special Interests:

  • Pain management
  • Critical care
  • Minimally invasive techniques
  • Soft tissue and skin reconstruction

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Janet K. Carreras, VMD, DACVIM (Oncology)

Veterinarian - Specialist

Dr. Janet K. Carreras is a board-certified veterinary oncologist at Pieper Veterinary. Originally from Connecticut, she graduated with honors from the College of the Holy Cross in Chemistry and achieved her doctorate from the University of Pennsylvania School of Veterinary Medicine in 1998, where she also completed her internship and residency programs. She worked as a veterinary oncologist in Texas at Gulf Coast Veterinary Specialists for 14 years, and worked an additional six years  at IDEXX Laboratories providing specialty consultations to veterinarians looking to offer oncological care to their patients.

Dr. Carreras is a member of the Veterinary Cancer Society, the Veterinary Society of Surgical Oncology, the American Veterinary Medical Association, the Oncology – Pathology Working Group, and the American College of Veterinary Internal Medicine.

Dr. Carreras lives with her husband, their two children, and their dog Huey (a Chihuahua, Doberman, Chow, Labrador, and Manchester terrier mix). When not working she enjoys spending time with her family, walking, jogging, gardening, and afternoons at the beach. Dr. Carreras’ three favorite things are people, pets, and science, and she loves that her job lets her focus on all three of these passions as she provides her clients with new ways to help their beloved pets continue to celebrate and enjoy life.

Research and Publications

London C, Mathie T, Stingle N, Clifford C, Haney S, Klein MK, Beaver L, Vickery K, Vail, DM, Hershey B, Ettinger S, Vaughan A, Alvarez F, Hillman L, Kiselow M, Thamm D, Higginbotham ML, Gauthier M, Krick E, Phillips B, Ladue T, Jones P, Bryan J, Gill V, Novasad A, Fulton L, Carreras J, McNeill C, Henry C, Gillings S. Preliminary Evidence for biologic activity of toceranib phosphate (Palladia(®)) in solid tumors. Vet Comp Oncol 2012 Sep;10(3):194-205.

Hahn KA, Legendre AM, Shaw NG, Phillips B, Ogilvie GK, Prescott DM, Atwater SW, Carreras JK, Lana SE, Rusk A, Kinet JP, Dubreuil P, Moussy A, Hermine O. Evaluation of 12- and 24-month survival rates after treatment with masitinib in dogs with nonresectable mast cell tumors. Am J Vet Res 2010 Nov;71(11):1354-61.

Axiak SM, Carreras JK, Hahn KA, Endicott MM, Parshley DE, King GK. Hematologic changes associated with half-body irradiation in dogs with lymphoma. J Vet Intern Med 2006 Nov-Dec;20(6):1398-401.

Risbon RE, deLourmier LP, Skorupski K, Burgess KE, Bergman PJ, Carreras J, Hahn K, Leblanc A, Turek M, Impellizeri J, Fred R 3rd, Wojcieszyn JW, Drobatz K, Clifford CA. Response of canine cutaneous epitheliotropic lymphoma to lomustine (CCNU): a retrospective study of 46 cases (1999-2004). J Vet Intern Med 2006 Nov-Dec;20(6):1389-97.

Hahn KA, King GK, Carreras JK. Efficacy of radiation therapy for incompletely resected grade-III mast cell tumors in dogs: 31 cases (1987-1998). J Am Vet Assoc 2004 Jan 1;224(1):79-82.

Carreras JK, Goldschmidt M, Lamb M, McLear RC, Drobatz KJ, Sorenmo KU. Feline epitheliotropic intestinal malignant lymphoma: 10 cases (1997-2000). J Vet Intern Med 2003 May-Jun;17(3):326-31.

Carreras JK, Sorenmo KU. Neoplasms of the Cranial Mediastinum and Pleura. In: Lesley G. King, ed. Textbook of Respiratory Disease in Dogs and Cats, St. Louis, Saunders, 2003:634-42.

Hahn KA, Carreras JK. Chondrosarcoma, nasal and paranasal sinuses. In: Larry P Tilley and Francis W. K. Smith, Jr., eds. Five Minute Veterinary Consult, Canine and Feline, 3rd Ed., Philadelphia, Lippincott, Williams and Wilkins, 2003:226.

Hahn KA, Carreras JK. Adenocarcinoma, nasal. In: Larry P Tilley and Francis W. K. Smith, Jr., eds. Five Minute Veterinary Consult, Canine and Feline, 3rd Ed., Philadelphia, Lippincott, Williams and Wilkins, 2003:27.

Hahn KA, Carreras JK. Squamous cell carcinoma, nasal and paranasal sinuses. In: Larry P Tilley and Francis W. K. Smith, Jr., eds. Five Minute Veterinary Consult, Canine and Feline, 3rd Ed., Philadelphia, Lippincott, Williams and Wilkins, 2003:1224.

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