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VCA Roberts Animal Hospital

VCA Roberts Animal Hospital

516 Washington St | Hanover, MA 02339

Call 781-312-8946
Monday 8:00am - 10:00pm
Tuesday 8:00am - 10:00pm
Wednesday 8:00am - 10:00pm
Thursday 8:00am - 10:00pm
Friday 8:00am - 10:00pm
Saturday 8:00am - 10:00pm
Sunday 8:00am - 10:00pm
  • Emergency Services
  • Walk-ins welcome 8am-10p daily!
  • Cardiology/Internal Medicine
  • AAHA accredited
  • Friendly, caring staff!
  • Animal Flea Control
  • Animal Microchipping
  • Emergency Veterinary Clinic
  • Small Animal Vet
  • Spaying/Neutering
  • Veterinarians
  • Veterinary Dentistry
  • Veterinary Euthanasia
  • Veterinary Medical Specialties
  • Veterinary Surgery
  • Veterinary Vaccinations
  • New Pet Initial Visit
  • Physical Exam

For over 45 years, VCA Roberts Animal Hospital has been serving the comunities of Hanover, Hanson, Norwell, Hingham and Rockland. We are passionate about providing exceptional veterinary service for our clients and top-notch medical care for their pets. Our hospital provides wellness exams, preventative care, vaccines, diagnostic services, spays, neuters, dental procedures, as well as 24-hour medical boarding and overnight care. Our hospital also provides endoscopy, cardiology, internal medicine specialties and surgical orthopedic services. Our friendly staff looks forward to knowing every client by name and treating you like family when you are in our care!

**VCA Roberts offers help to rescue groups! If interested please contact our Hospital Manager

Additional Services:
- Cats and Dogs seen (with the occasional Pocket Pet or Rabbit)
- Orthopedic and soft tissue surgery
- Endoscopy
- Walk-in and ER appointments accepted during any of our business hours
- Cardiology
- AAHA accredited
- Doctor on site nights, weekends and holidays
- Preventive medicine

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A friendly face at the reception desk! A friendly face at the reception desk!
Dr. Callahan performing a new kitten exam Dr. Callahan performing a new kitten exam
Exam room Exam room
Surgery Room Surgery Room
Treatment area Treatment area
VCA is committed to continuously improving its standard of care. VCA is committed to continuously improving its standard of care.
Welcome to VCA Roberts Animal Hospital! Welcome to VCA Roberts Animal Hospital!
The caring & experienced team at VCA Roberts Animal Hospital The caring & experienced team at VCA Roberts Animal Hospital
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Dr. Charles Patterson
Dr. Charles Patterson

Originally from Wooster, Ohio, Dr. Patterson earned his DVM in 1975 from Ohio State University. During his education, he worked at the Vector Borne Disease Unit at the Ohio Department of Health. In 1976, following a 1 year internship at Angell Memorial Animal Hospital in Boston, Dr. Patterson became an associate veterinarian at Roberts. Over the years, Dr. Patterson has developed an interest and expertise in surgical medicine and has been the primary surgeon at VCA Roberts since about 1998. More recently, he has taken on a new role as Co-Medical Director of the practice.
Dr. Patterson and his wife CJ have two grown children. He has many outside interests that include gardening, woodworking, bird watching, cosmology, particle physics, and low scale inventing.

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Dr. Mary Reynolds Callahan
Dr. Mary Reynolds Callahan

Dr. Mary Reynolds Callahan is a 1988 graduate of Tufts University School of Veterinary Medicine. She has been in clinical practice at VCA Roberts Animal Hospital in Hanover since August of 1988. Dr. Reynolds Callahan has recently taken on a new role as Co-Medical Director of the practice. Her professional interests include wellness, preventive health care (vaccines, nutrition and dental health care) and geriatric medicine. She routinely sees general clinic appointments 3-4 days per week and has one general surgery day per week that includes procedures such as spays, neuters, abdominal exploratories, tumor removals, and dental procedures.
Dr. Reynolds Callahan lives in Scituate with her husband, Kevin, two dogs and three cats. Dr. Reynolds Callahan is a native of Maine and maintains a family home on an island there. Her interests include boating, reading, and hiking with her dogs at local parks and trails. Above all else, she enjoys spending time with her family and is her grandsons� biggest fan at all their local sporting events!

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Dr. Brad Moses
Dr. Brad Moses

Dr. Moses graduated from the Iowa State University College of Veterinary Medicine in 1973. He completed his internship at South Shore Veterinary Associates, and he fulfilled credentialing requirements for board certification in cardiology with training assisted by Angell Memorial Animal Hospital and Tufts University School of Veterinary Medicine. In 1987, Dr. Moses became board certified in cardiology by the American College of Veterinary Medicine. Dr. Moses is staffed at VCA Roberts Animal Hospital in Hanover and VCA South Shore Animal Hospital in South Weymouth.

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Dr. Joseph Martinez
Dr. Joseph Martinez

Dr. Martinez graduated in 1997 from the College of Veterinary Medicine and Biomedical Sciences at Colorado State University. In 1998 he completed an internship at Garden State Veterinary Specialist in New Jersey and then followed that with several years in private practice in the New England area. In 2002, while recovering from his third open heart surgery for a congenital heart defect, he studied Perfusion Technology at Northeastern University and Brigham and Women�s Hospital. From 2003 to 2006 he served in a Fellowship in Cardiac Surgery at Children�s Hospital Boston, and held an appointment as instructor in the Departments of Surgery and Pediatrics at Harvard Medical School. Prior to joining Robert�s Animal Hospital in 2007, Dr. Martinez completed one year of a residency in Cardiology at Angell Animal Medical Center. Dr. Martinez hails from Boston, but considers Colorado, where he spent many of his formative years, his second home. He currently resides in Boston with his lovely bride Wendy. They have a beautiful little boy, five cats, Harley a retriever, a fish tank, and an imaginary monster in their bomb shelter named Randall. All of his spare time is spent with his family enjoying the great wealth of riches that life has to offer. He also enjoys cycling, fine dining, building Lego sets, is a bit of a coffee connoisseur, and hopes to rediscover the joys of home beer brewing.

Special Interest:
His professional interests include cardiology, emergency medicine and critical care. He has special training, experience, and a strong interest in thoracoscopy, a minimally invasive technique to perform thoracic procedures, such as partial pericardiectomy and thoracic biopsies.

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Dr. Pamela Martin
Dr. Pamela Martin

Dr. Martin went to UMass Dartmouth for undergrad and graduated with a bachelor's degree in biology. Then she went on to Iowa State College of Veterinary Medicine and graduated in 2003. She completed a one-year internship at VCA South Shore AH after graduating in 2003. She has been employed by RAH since 2004. Dr. Martin especially likes treating dermatology and general medicine cases.

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