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Veterinarians at Newton Veterinary Hospital

Dr. Don Costlow

Dr. Costlow rDr. Don Costlow - Newton Veterinarianseceived his Bachelor of Science degree from Cornell University in 1985. He is a 1990 graduate of the Oklahoma State University College of Veterinary Medicine. During his studies in veterinary school, he was inducted into the Phi Zeta Organization for academic excellence.  From May 1991 to June 1997, Dr. Costlow was the Chief Veterinarian at an animal emergency and critical care facility outside of Cleveland, Ohio. While in Cleveland, he appeared regularly on FOX Television’s “Good Day Cleveland”, where he presented various topics on pet healthcare.  He is currently a member of Newton Rotary (Past President 2008-2009; member since 1997) and :

  • Member Board of Directors of Sussex Community College, current Secretary
  • Member Board of Directors Sussex County Red Cross
  • Member Board of Directors Sussex County Economic Development Partnership- Former Chairman
  • Member Board of Directors Newton Memorial Hospital
  • Initiated Pet First Aid program with Red Cross
  • Initiated Pet Blood drive with Red Cross
  • Initiated Pets and People Weight Loss and Exercise Program with the Sussex County YMCA
  • Initiated “Pet Pictures with Santa” to raise money for BARKS animal shelter
  • Chair of the Twilight Golf Outing to benefit Bristol Glen 2009
  • Co-chair of the fund raising committee NMH
  • Rotary golf Outing Committee 2007-current
  • Chair SCCC Annual Ball 2007

He was President of the NWNJVMS in 2004 and an active member of AVMA and AAHA.   Dr. Costlow took over as President of Newton Veterinary Hospital in July of 1997 and founded the Animal Emergency Hospital of NJ in 2002.

Dr. Stan Bladek

Dr. Stan Bladek - Newton VeterinariansDr. Bladek is a graduate of the University of Missouri College of Veterinary Medicine. He has been with Newton Veterinary Hospital since 1983. Dr. Bladek is a member of the AVMA and the Northwest New Jersey Veterinary Society. He has had several case reports published in Veterinary Forum magazine. Dr. Bladek is the chairman of the Sussex County 4-H Foundation and is a long-time resident of Hampton Township.

Dr. Kate Colyer

Dr. Kate Colyer - Newton VeterinariansDr. Colyer graduated Summa Cum Laude from the College of William and Mary with a double concentration in chemistry and biology before obtaining her veterinary degree from the University of Pennsylvania in 2006.  She completed an internship in small animal emergency medicine in North Carolina prior to returning to her roots in NJ and joining the team at Newton Veterinary Hospital in July 2007.  Outside of work Dr. Colyer enjoys horseback riding, reading, and hiking with her mixed breed dog, Annie.  She currently lives in Passaic County with Annie and two cats Tyler and Mali.

Dr. O. Steve Brasch

Dr. O. Steve Brasch - Newton VeterinariansDr. Brasch comes to us from The Ohio State University College of Veterinary Medicine.  He graduated Summa Cum Laude as the valedictorian from his undergraduate college, University of Cincinnati.  Dr. Brasch has lived in Sussex County since 2001 and currently lives in Wantage with his wife, Shelley, who is also a practicing veterinarian.  They have five cats (all rescues), two dogs and a horse named Max.  Dr. Brasch is truly a mixed animal veterinarian.  At Newton Veterinary Hospital he sees all companion animals, as well as the occasional goat or alpaca.

Dr. Nani Cha

Dr. Nani Cha - Newton VeterinariansDr. Cha received her BS from Washington State University and graduated from the University of Pennsylvania School of Veterinary Medicine in 2003.  She worked in Queens, NY as an Associate Veterinarian before joining Newton Veterinary Hospital in September 2005.  Her interests include emergency medicine, surgery, and critical care.  Dr. Cha currently splits her time between New York City and Sussex County, accompanied by her dog Leia.  When not working, she enjoys rock climbing, practicing yoga, exploring NYC and scuba diving.

Dr. Jennifer Wyman

Dr. Jennifer Wyman - Newton VeterinariansDr. Wyman has a BS in Biology and graduated from University of Tennessee College of Veterinary Medicine in May 2008 when she joined Newton Veterinary Hospital. Dr. Wyman was born in Sussex County, NJ and has lived her entire life in New Jersey. Dr. Wyman is a member of the AVMA (American Veterinary Medicine Association). She owns a bloodhound mix and an American quarter horse. Dr. Wyman enjoys being outdoors hiking with her dog, Emma and riding her horse, Royal.

Dr. Benjamin Spitz

Dr. Benjamin Spitz - Newton Veterinarians

Dr. Spitz's veterinary interests include wellness and preventative medicine, endocrinology and oncology.

Dr. Ben is a native New Yorker who has successfully made the jump to suburban living. He graduated Dartmouth College in 1991 with a degree in history. He spent the next five years working various jobs and travelling to distant parts of the globe. He eventually returned to veterinary school and graduated from the University of Pennsylvania School in 1999.
After graduation, Dr. Spitz completed a 1 year rotating medical and surgical internship at The Animal Medical Center in New York City where he worked closely with experts in many different veterinary specialties. He spent the next eight years practicing at small animal hospitals in Manhattan and Essex County.

With his wife Stephanie, he has 2 kids- Sam and Jordan, and 2 dogs- Roxanne and Jeff. In his spare time, he enjoys most sports, reading anything from classic literature to junk novels and spending time with his family.

Dr. Betsy Chabora

Dr. Betsy Chabora - Newton Veterinarians

Dr. Chabora is a native of New Jersey. She graduated magna cum laude from the University of Delaware with a Bachelor of Science in Agriculture. She received her DVM degree from The Ohio State University. Dr. Chabora practiced veterinary medicine in Oakland, NJ for the past 26 years. When not working she enjoys spending time with her four-legged and feathered family.

Dr. Kyle Horn


Dr. Kyle Horn - Newton VeterinariansEducation:  Undergraduate degree (Bachelor of Science) in Animal Science at Cornell University

Graduate degree (Veterinary Medicine): University of Pennsylvania

Resident: North Jersey my whole life

Vet Interests: Soft tissue surgery and Radiology 

Other Interests: Outdoor activities, weight training, fishing and hunting

Dr. Darlene Fletcher


Dr. Fletcher was born and raised in the great state of New Jersey.  She received her undergraduate degree at Rutgers University, with a double major in Animal Nutrition and Animal Science, and graduated from Ross University School of Veterinary Medicine in 1995, after completing her senior year at Oklahoma State University.  Her veterinary interests include dog and cat behavior, soft tissue surgery and chronic pain management protocols.  Outside work, Dr. Fletcher performs charity work with Order of the Eastern Stars, enjoys Aikido and yoga, and taking long hikes with her 2 Pomeranians, Karl Lagerfeld and Ziggy Smalls.  On Game Day, she roots for Rutgers, Oklahoma State, and anyone who is playing against Texas.

Dr. Caitlin Verhalen


Dr. Caitlin Verhalen | Newton Veterinary Hospital

Dr. Verhalen joined the Newton Veterinary team in February of 2018. She was born and raised in New Jersey most of her life. She received her BS in Biology and graduated from Ross University School of Veterinary Medicine in January 2018 after completing her clinical year at Purdue College of Veterinary Medicine in Indiana. Her veterinary interests include preventative medicine and dermatology.

When she is not working or spending time with her own dogs, Dr. Verhalen enjoys being with her family and friends especially cooking at home with everyone. Dr. Verhalen takes any chance to get outdoors for hikes or long runs around her neighborhood.

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(973) 383-4321

62 Hampton House Rd.

Newton, NJ 07860


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About Us

The Newton Veterinary Hospital became the first 24-hour a day, 7-day a week emergency veterinary hospital in Sussex County in 2003. We now have 13-doctors and over 70-staff members to insure that quality pet care is available around the clock.

Address: 62 Hampton House Rd, Newton, NJ 07860

Phone: 1-973-383-4321

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