Internal Medicine For Small Animals

Internal Medicine is accessible for case consultation and updates 6 days a week. This ensures that all hospitalized pets receive seamless monitoring and care. Our internal medicine specialists have advanced knowledge of small animal gastroenterology, endocrinology, immune-mediated and infectious disease, diseases of the kidney and lower urinary tract as well as respiratory disease. Our internists provide a continuum of care for both inpatients and outpatients, working closely with you and your referring veterinarian.

Dr. Leyenda Harley, DVM, DACVIM (sa) - Director of Internal Medicine at Central Hospital For Veterinary Medicine.

Dr. Harley received her undergraduate degree from the University of Alaska Fairbanks and graduated from Tufts University School of Veterinary Medicine in 2004. She completed a rotating internship in small animal medicine and surgery in Norwalk, Connecticut and went on to do a residency in small animal internal medicine at the Animal Medical Center in Manhattan. She stayed on at AMC as staff in Internal Medicine and was co-director of post-graduate education and the internship program. She is a Diplomate of the American College of Veterinary Internal Medicine and sees patients by appointment. Ask your veterinarian for a referral.

Dr. Eric de Madron, DMV, DACVIM (cardiology), DECVIM (internal medicine)

Dr. Eric de Madron is a Diplomate of the American College of Veterinary Internal Medicine in Cardiology and the European College of Veterinary Internal Medicine in Internal Medicine. Dr. de Madron has extensive expertise in interventional cardiology (pacemakers, balloon valvulopasties and trans-catheter PDA occlusions), and interventional radiology (placement of tracheal stents for the palliative treatment of tracheal collapse). Dr. de Madron began his North American career as a cardiologist / internist at the DMV Veterinary Centre in Montreal, Quebec, then continued in Ottawa, Ontario, at the Alta Vista Animal Hospital for 16 years. His main clinical interests are prevention and management of congestive heart failure,management of systemic hypertension, interventional cardiology and radiology (with a special interest for tracheal collapse in dogs)

Dr. Jen Forgash, DVM

Dr. Jen Forgash is originally from NJ and her veterinary career began with veterinary school at Purdue University College of Veterinary Medicine in IN, then with completion of a rotating and Internal Medicine specialty internship at Pieper Veterinary in CT, and finally a Small Animal Internal Medicine residency at the University of Pennsylvania. Dr. Forgash is passionate about patient care, animal rescue, or gastrointestinal endoscopy and disease, as well as immune-mediated disease.

When she is not in the office, Dr. Forgash loves to read and hang out with her chihuahua mix, Finn, (not pictured) and enjoys creative hobbies like drawing and clay sculpting.

Dr. Carolyn Gross, DVM, DACVIM (sa)

Dr. Carolyn Gross received her undergraduate degree from UMass Amherst in 2006 and her DVM from Tufts University School of Veterinary Medicine in 2011. She has special interests in nutritional studies and the study of the digestive system and kidney function.

Dr. Gross completed her internship at VCA in Norwalk, CT and her residency at the University of Pennsylvania, where she received the Excellence in Teaching award.

Through her years in the veterinary profession Dr. Gross has become particulary fond of special needs cats, specifically her one-eyed cat named Zelda, and her cats named Link and Hoggle. Dr. Gross also has two dogs named Ender and Lena.

Fill and submit our internal medicine referral form here



Our internal medicine service provides:
Endoscopy including: Upper/lower gastrointestinal, nasopharyngeal, lower respiatory, urogenital, and bronchoscopy I-131 radioactive iodine therapy for feline hyperthyroidism
Partial parenteral nutrition Bone marrow aspiration and core biopsy
Tracheal wash and bronchoalveolar lavage Stem cell therapy for the treatment of inflammatory or immune mediated diseases
Thoracocentesis, abdomenocentesis, arthrocentesis INTERVENTIONAL RADIOLOGY – STENTING AVAILABLE
Feeding tube placement (PEG, esophagostomy, and NE/NG tubes) Blood component transfusion therapy
Blood pressure monitoring (Direct and indirect)