Internal Medicine Staff

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Dr. Domenico Bianco, DVM, Ph.D., DACVIM, Head of Internal Medicine Department

Dr. Bianco graduated in 1998 from the University of Torino (Italy) and completed a Ph.D. program in 2002 at the same institution. He met the requirements for practicing as a veterinarian in the United States in 2003 at Purdue University. He did his rotating internship in small animal medicine and surgery at the University of Columbia-Missouri, his residency in small animal internal medicine at the University of Minnesota, and became a diplomate at the American College of Veterinary Internal Medicine in 2008. He authored several publications in peer-reviewed journals and lectured at many international meetings.

He loves all aspects of small animal internal medicine and his research is focused on hematology, coagulation, and immune-mediated diseases. His clinical interests include gastroenterology, nasal and pulmonary diseases, endocrinology, hepatology, nephrology, urology, and pancreatic diseases. He is skilled in abdominal ultrasonography, thoracic ultrasonography, laparoscopic biopsy techniques, gastroduodenoscopy, colonoscopy, rhinoscopy, tracheo-bronchoscopy, cystoscopy, vaginoscopy, bone marrow evaluation, and tracheal/urethral stenting.

He spends his free time with his family, friends, as much as he can. He loves going to the beach, playing soccer, alpine skiing, swimming, tennis, and travelling back home to Italy and any other fun places to discover.

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Dr. Eloise Stikeman, BVMS, Practice Limited to Internal Medicine

Dr. Stikeman was born and raised in Toronto, Canada and received her undergraduate degree from the University of Toronto. She moved to Perth, Australia to attend veterinary school at Murdoch University and was a founding executive and President of the Murdoch Animal Welfare Society. Following graduation, she undertook a rotating medical and surgical internship at a private specialty practice in Connecticut before moving inside the Beltway to work as a generalist for two years. Drawn by a fascination of Internal Medicine’s unique ability to answer (almost) any question, she moved to Texas to pursue a specialty internship and subsequent Residency at the Center for Veterinary Specialty + Emergency Care. Dr. Stikeman has successfully completed all board examinations and is awaiting publication of her research paper to attain board-certification.

Dr. Stikeman is extensively trained in ultrasonography including echocardiography and enjoys all diagnostic endeavors. Her areas of clinical interest include intestinal diseases at large, protein-losing enteropathies in particular, as well respiratory diseases and pulmonary hypertension, endocrine disorders, and all aspects of feline medicine. While uncommon in Los Angeles she also enjoys fungal infections and has an extensive background in managing them from her time in Texas. Dr. Stikeman adores all of her patients and the chance working at MASH provides to meet the wonderful cats and dogs of the Los Angeles community!

When not at work, Dr. Stikeman is usually flying in the skies over Santa Monica working on her instrument training, at home studying aeronautical maps and world history (especially WWII), or can be found watching Blue Jays baseball and working on future travel plans. She also loves spending time with her two (giant!) cats Winston and Clementine, and visiting her sister and her cat, Ray Finkle.

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Dr. William (Billy) Cole, DVM, Practice Limited to Internal Medicine

Dr. Cole grew up in Long Island, New York and received his undergraduate degree from Cornell University. He attended veterinary school at Kansas State University in Manhattan, Kansas. After obtaining his veterinary degree, he completed a small animal rotating medical and surgical internship at private hospitals in Connecticut. This was followed by a specialty internship in internal medicine in Los Angeles. Dr. Cole then moved back to the Midwest to complete his residency at The Ohio State University.

Dr. Cole enjoys endoscopy among other diagnostic and therapeutic procedures involved in internal medicine. He enjoys all areas of internal medicine with particular interest in gastrointestinal disease and endocrinopathies. He is excited to return to Los Angeles and join the fantastic team at MASH.

Outside of work, Dr. Cole enjoys exploring all that Los Angeles has to offer and traveling whenever he can. He likes gardening, trying new restaurants and tasting new wines. Joining him on his adventures are his boyfriend and their two dogs Luna and Remus.

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Joseph V. Bisignano, DVM, DACVIM (SAIM)

Dr. Joseph Bisignano originally grew up in Brooklyn, NY and graduated from New York University with a Bachelor's Degree in Psychology and Biochemistry in 2006. He attended veterinary school at Western University of Health Sciences, graduating in 2010. He went on to complete his internship in small animal medicine and surgery at VCA West Los Angeles Animal Hospital, followed by completion of his residency in Internal Medicine at the University of Minnesota. Dr. Bisignano is a board-certified specialist in Internal Medicine.

Dr. Bisignano has advanced training and interest in the field of interventional endourology. He performs specialized procedures such as lithotripsy and percutaneous cystolithotomies (PCCL) that are minimally invasive approaches for removal of bladder and urethral stones. He also performs laser procedures to correct ectopic ureters as well as cystoscopic interventions for urinary incontinence. These procedures allow patients to recover faster and with less pain than traditional surgery and have more successful outcomes. He is one of very few doctors in Los Angeles trained to perform these procedures. Dr. Bisignano is available for consultation regarding minimally invasive methods for stone removal, management of urinary incontinence, congenital urinary conditions and long-term solutions and management for prevention of urinary stone disease in dogs and cats.

In addition to his interest in urology, Dr. Bisignano manages endocrine, gastrointestinal, liver and kidney diseases. He has a special interest in marine mammal medicine, specifically Bottlenose Dolphins, having worked as both a marine mammal trainer and veterinary preceptor at the New York Aquarium, Dolphin Quest Hawaii and the US Navy Marine Mammal Program in San Diego. He also serves on the Medical Advisory Board for the Los Angeles Zoo. Dr. Bisignano has published several research articles about feline endocrine diseases, inflammatory bowel disease in dogs, minimally invasive urinary interventions in cats and gastrointestinal disease in marine mammals. He has written and published several textbook chapters on the clinical management and prevention of urinary stones.

In his spare time, Dr. Bisignano loves cooking and trying new restaurants and cuisines. He and his partner have a beautiful son and he loves every minute of being a father. Dr. Bisignano has two dogs- a Rhodesian ridgeback named Brodie and a maltese named Shorty.

Dr. Bisignano is in the office and available for consultation Wednesday through Saturday each week.

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Victor, RVT, Internal Medicine Dept. Manager

Victor was born and raised in Los Angeles. He has been working in the veterinary field since 2014. Victor obtained his Associates in Animal Sciences from Platt College and after graduating, received his RVT License. Victor has a passion for emergency and critical care medicine as well as anesthesia. He is interested in getting a VTS (Veterinary Technician Specialty) in the future. Victor rescued a husky mix, named Hazel, that came into MASH from Hope for Paws. When not working, Victor likes to binge watch television shows and would like to spend more time dancing.

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Margot, Doctor Assistant, IM Co-Manager, Internal Medicine

Margot is originally from Miami but moved to Los Angeles 4 years ago. She has been working in the veterinary field since 2012. She started out in general practice, has a background in animal rescue and investigation, and now specialty. Her goal is to own a nonprofit animal sanctuary or welfare group for animals. She has a pit bill mix named Gypsy, a Jack Russell named Jax and a cat named Brixton. Margot is passionate about veganism and living a cruelty free lifestyle.

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Sandra, RVT, Internal Medicine

Sandra was born and raised in Inglewood. She graduated from Pierce College and received her RVT license in 2018. Sandra has been in the veterinary field since 2017. For now, she is venturing the field in hopes of pinpointing where she would like to integrate her passion for animals. She has three dogs, Benny the bulldog, Lucas the terrier and Zoe the Basset. In Sandra’s free time she likes to work out, go on bike rides, and spend time with family and friends.

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Ivonne, RVT, Internal Medicine

Ivonne was born and raised in Los Angeles and has been in the veterinary field for six years. She has worked as a veterinary technician in GP and an RVT/linac tech in Radiation Oncology. Ivonne joined Mash's Internal Medicine team in 2021 as RVT. On top of her A.S. degree in Veterinary Technology from L.A. Pierce College, she would like to get certified in Canine Rehabilitation. She has a 12-year-old cockapoo named Estrella. When she isn't working, Ivonne loves going to Disneyland with her kids, swimming, and camping. She also loves to cook and try new recipes.

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Jace, Veterinary Assistant, Internal Medicine

Jace was born and raised in Santa Monica. He has been working in the veterinary field since 2000. Jace has worked in general practice, emergency and critical care, surgery, and oncology. Jace joined the MASH team in November 2018 and found that his passion lies in internal medicine. Jace plans on getting his RVT and then would like to pursue his VTS in internal medicine. He has a 15-year-old Italian Greyhound named Tula. Jace likes to be very creative, so in his spare time he enjoys making costumes and props for Anime Cosplay, building items and painting, as well as, playing video games and working on computers.

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Nicole, Veterinary Assistant, Internal Medicine

Nicole was born and raised in Los Angeles. She has been working in the veterinary field since 2012 and plans on obtaining her RVT. She started out in general practice but found her passion in emergency medicine. Nicole likes the challenge of emergency medicine and likes to help be able to be the voice of her patients. Nicole has a 7-year-old pug/chihuahua mix named Chubbs. In her spare time, she loves going to breweries and is a major foodie.

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Ayana, Veterinary Assistant, Internal Medicine

Ayana was born and raised in Los Angeles, CA. She has been working as a veterinary assistant in general practice since 2016. She joined the MASH internal medicine to August 2020. She currently is studying at Cal State Los Angeles to get her bachelor’s in science in Biology. Her goals are to become a veterinarian or an animal welfare lawyer. Ayana has a Persian cat named Rex. In her free time, she likes to go to the beach, hike, explore national parks, visit historical landmarks and eat.

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Gie, Veterinary Assistant, Internal Medicine

Gie is originally from North Carolina and moved to Los Angeles in 2010. Gie has been working in the veterinary field since 2016. He has worked in reception and has been a veterinary technician assistant in general practice. He is currently in school to become an RVT, and his goal is to get a VTS or to become a veterinarian. Gie has two cats, a domestic shorthair and Siamese. In his free time, he likes to listen to music (classical, Jazz, R&B), workout, watch movies, and practice classical piano.

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Jacky, Technician Assistant, Internal Medicine

Jacky was born and raised in Los Angeles. She has been working in the veterinary field since 2014. She started out in reception and worked her way up to be a doctor’s assistant/technician assistant. She joined MASH’s internal medicine team February 2019. Her goal is to become an RVT and she is currently in school to get her veterinary technician associates. In her free time, she like to practice guitar and drums, go to concerts, check out new brewers, watch sports (especially LA Kings), watch movies, go to Disneyland and play video games.

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Max, Doctor Assistant, Internal Medicine

Max was born and raised in Los Angeles. She has been working in the veterinary field since 2016. Max started out in reception but found that she wanted to be more hands on with the animals, so she moved up to be a doctor’s assistant. Max joined MASH’s internal medicine team in March 2019. She has a 3-year-old Schnauzer mix named Cerberus (Cerbi for short), and a 1.5-year-old Havanese named Anubis. When not working, she likes to be in nature. She likes to hike, go for walks and drive around looking at nature.

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Sandra, Doctor's Assistant, Internal Medicine

Sandra was born and raised in Los Angeles and has worked in the veterinary field since 2015. She has worked as a receptionist, Doctor’s Assistant, Technician Assistant, and kennel assistant – all at general practice. She is currently going to Pierce College to earn her RVT! Sandra will be joining the MASH team as Doctor’s Assistant in Internal Medicine. She has 1 dog, Princess (Lab mix), and 4 cats, Xena (Torti), Caramel (Torti), Beetlejuice (DMH), Blackpanther (DSH). She loves spending time with her family, husband, and two children – an 11-month-old and a 13-year-old. She also loves going to the movies and being outdoors.

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Mary, Doctor's Assistant, Internal Medicine

Mary is from Illinois and moved to Los Angeles six years ago. During her seven years of experience in the veterinary field, she has worked as a Doctor's Assistant in internal medicine and as an assistant in rehabilitation. She has an A.A. degree from El Camino College and is interested in getting certified as an RVT. Mary joined MASH's Internal Medicine department in 2021 as Doctor's Assistant. She has a DSH cat named Salem and in her free time likes to read and hike.

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Allyson, Customer Service Representative

Allyson is a Los Angeles native. She has been working in the veterinary field since 2017. Before joining the MASH team, Allyson worked at a dog hotel and has also worked at animal rescues as a receptionist. She has a degree in cosmetology and used to work on shoots. She plans on learning more about veterinary medicine through her work at MASH to find where her passions lies in the veterinary world. Allyson has three dogs: a pit mix named Moulder, a cattle dog mix named Moma, and a Chihuahua mix named Navie. When not at work, she loves to go out, try new places to eat, hike, hang with her dogs, and experiment with cooking/baking.

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Abi, Customer Service Representative

Abi is a southern California native. She has been working in the veterinary field since 2015. She has worked as a receptionist, doctor’s assistant, and veterinary assistant in general practice and emergency/critical care. Abi joined the MASH surgery team in December 2020. Abi wants to continue to work in veterinary medicine and her goal is to get her real estate license on the side. Abi has a Great Pyrenees named Hades. In her free time, she likes to ride horses and work out.

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Sheyla, Customer Service Representative

Sheyla was born and raised in Los Angeles. She has worked in the veterinary field as a receptionist since 2017, working in general practice, specialty, exotic, avian medicine, and ophthalmology. She joined the MASH internal medicine department in August 2021. She has a B.S. in Public Health from CalState Fullerton and is studying to become a nurse practitioner in Emergency Medicine. She dreams of creating and owning a farm-animal sanctuary to rescue and rehabilitate abused farm, domestic, and wild animals. She has four toy poodles, (Rocky, Blacky, Snowy, and Chunks), a chow chow mix (Kody), and a yorkie (Timothy). In her free time, Sheyla likes to do hot yoga or snorkel in San Diego and Catalina Island.