IDEXX Reference Laboratories
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Personalized support, guidance, and expertise

A dedicated team of professionals willing to go the extra mile—or 20—to support you in your practice and on the phone every day.

In your practice

  • Veterinary Diagnostic Consultants
  • Professional Service Veterinarians
  • Field Support Representatives

On the phone

  • Medical consultants
  • Pathologists
  • Customer support 24/7

A dedicated team of professionals willing to go the extra mile—or 20—to support you in your practice and on the phone every day.

In your practice

  • Veterinary Diagnostic Consultants
  • Professional Service Veterinarians
  • Field Support Representatives

On the phone

  • Medical consultants
  • Pathologists
  • Customer support 24/7
In your practice
Veterinary Diagnostic Consultants

More frequent visits and personalized support.

Professional Service Veterinarians

More personalized on-site medical consultations and education.

Field Support Representatives

More step-by-step guidance and training on-site to help optimize your workflow.

On the phone and online
Medical consultants

More direct live access and personalized guidance from board-certified specialists.

Pathologists

More personal attention from a pathologist dedicated to your case from beginning to end, available via their direct phone line or email.

Customer support 24/7

More dedication to answering all your questions on laboratory services, test requests, results status, and more.

IDEXX Learning Center and idexx.com

More self-serve educational content.

Contact IDEXX Reference Laboratories support

Smiling support representative with headset on

IDEXX supports your practice with our customer support, technical support, and medical consulting services team, including our diagnostic support veterinarians and board-certified veterinary specialists.

1-888-433-9987

IDEXX specialists directory

Your team of experts is just a call away, with board-certified veterinary specialists who are available for complimentary consultation

Bernadette Bylina, MS, DVM

University of Illinois

Diagnostic Support Veterinarian
Area of interest: diagnostic medicine

Dr. Bylina received her veterinary degree from the University of Illinois in 1985. She spent seven years in clinical practice in Illinois and Colorado before serving in the US Air Force as a Public Health Veterinarian. She then completed a residency in anatomic pathology at Colorado State University. Dr. Bylina spent ten years working in the veterinary diagnostics industry as part of a medical consultation team, followed by a year serving as an assistant professor of microanatomy and embryology at Ross University School of Veterinary Medicine, and then returned to Colorado to act as staff veterinarian and study director for a local contract research organization. Dr. Bylina joined IDEXX as a consultant in 2014.
Jennifer Lehr, DVM

Kansas State University

Diagnostic Support Veterinarian
Area of interest: diagnostic medicine

Dr. Lehr received her veterinary degree from Kansas State University in 2006. She spent six years in clinical practice at a mixed animal veterinary practice in Maine followed by three years at a university veterinary diagnostic laboratory. She joined IDEXX as a consultant in 2015.
Lois St. Pierre, DVM

Purdue University

Diagnostic Support Veterinarian
Area of interest: diagnostic medicine

Dr. St. Pierre received her veterinary degree from Purdue University in 1998. She spent several years in clinical practice in several states including Illinois, Massachusetts and Maine. Dr. St. Pierre joined IDEXX as a consultant in 2014.
Amanda Blackburn, DVM, DACVIM

University of California, Davis

Internal Medicine Specialist

Area of interest: internal medicine

Dr. Blackburn received her veterinary degree from the University of California, Davis, in 2006. She then completed an internship at a private specialty hospital in New Jersey, followed by an internal medicine residency at the University of Pennsylvania. Following her residency, Dr. Blackburn was employed as a staff internist at two private specialty practices in California. She has been board-certified in small-animal internal medicine since 2011. She joined IDEXX as an internal medicine consultant in 2016.
Shannon Bray, DVM, DACVIM

University of Illinois College of Veterinary Medicine

Internal medicine specialist

Areas of interest: internal medicine, oncology

Dr. Bray obtained her veterinary degree in 1997 from University of Illinois College of Veterinary Medicine. She completed an internship at New York City’s Animal Medical Center and a residency in small-animal internal medicine at the University of Pennsylvania. Dr. Bray has been board-certified by the American College of Veterinary Internal Medicine since 2002. She operated a veterinary internal medicine mobile service for several years in southwestern Montana and joined IDEXX as a consultant in 2005 and is currently manager of North America Medical Consulting Services.

Raquel Brown*, DVM, DACVIM

Texas A&M University

Oncology and internal medicine specialist

Areas of interest: internal medicine, oncology

Dr. Brown received her veterinary degree from Texas A&M University in 1995. She then practiced in Houston as a general practitioner and emergency veterinarian. She returned to Texas A&M in 1998 for advanced training, which included a smallanimal internship, a residency in small-animal internal medicine, and a residency in oncology. She is board-certified in both oncology and small-animal internal medicine. Dr. Brown has worked in private referral practices in Texas and served as an adjunct professor at Texas A&M University. She joined IDEXX as a consultant in 2009.
Elizabeth Carsten, DVM, DACVIM

Colorado State University College of Veterinary Medicine and Biomedical Sciences

Internal medicine specialist

Area of interest: internal medicine

Dr. Carsten graduated from Colorado State University College of Veterinary Medicine and Biomedical Sciences in 1994. She completed a small-animal internship the following year at the University of Minnesota, followed by an internal medicine residency and nutrition fellowship at Texas A&M University. She has been board-certified in small-animal internal medicine since 1999. After completing her residency, Dr. Carsten was a staff internist at two busy private referral hospitals in Arizona. She has been an internal medicine consultant with IDEXX since 2002 and is currently manager of North America Medical Consulting Services.
Kelly Chaffin*, DVM, MSpVM, DACVIM

Texas A&M University

Oncology and Internal Medicine Specialist

Areas of interest: internal medicine, oncology

Dr. Chaffin received her veterinary degree from Texas A&M University in 1994. She then completed an internship and smallanimal internal medicine residency at the University of Georgia. Following completion of the internal medicine residency, Dr. Chaffin next completed an oncology residency at North Carolina State University. She is board-certified in both oncology and small-animal internal medicine. Dr. Chaffin worked in private referral practices in Texas and California for 12 years prior to joining IDEXX as a consultant in 2012.
Charlotte Davies, MA, VetMB, CertVA, MS, MRCVS, DACVIM

University of Cambridge

Internal medicine specialist

Area of interest: internal medicine

Dr. Davies received her veterinary degree from the University of Cambridge in 1990 and spent 2 years working in the university’s anesthesia department. She completed a rotating internship in small-animal medicine and surgery at the University of Georgia and a residency in internal medicine at the Virginia-Maryland Regional College of Veterinary Medicine, where she then served as a clinical instructor. Dr. Davies was in private practice at a small-animal referral practice in Richmond, Virginia, for 11 years before joining IDEXX as a consultant in 2009.
Alicia Dudley, DVM, MS, DACVIM

Purdue College of Veterinary Medicine

Internal medicine specialist

Area of interest: internal medicine

Dr. Dudley graduated from the Purdue College of Veterinary Medicine in 2010. She completed an internship the following year at Mississippi State University, followed by an internal medicine residency at The Ohio State University. After completing her residency, she was employed for 2 years as a staff internist at a specialty hospital in Fishers, Indiana. Dr. Dudley is board-certified in small-animal internal medicine. She joined IDEXX as a consultant in 2016.
Kristi L. Graham, DVM, MS, DACVIM

Purdue University

Internal medicine specialist

Area of interest: internal medicine, dermatology

Dr. Graham received her DVM from Purdue University. She followed it with an internship at Washington State University and finished her training at Atlantic Veterinary College (AVC) of the University of Prince Edward Island, completing an MS and an internal medicine residency. Board-certified in smallanimal internal medicine in 2005, Dr. Graham then returned to Indiana and practiced internal medicine for 8 years. She taught in Purdue’s Veterinary Technology Program and has periodically provided clinical support in the teaching hospital at AVC as a visiting instructor. She has served as chair of the continuing education committee for the Indiana Veterinary Medical Association for several years. Dr. Graham joined IDEXX as a consultant in 2011.
Sophie A. Grundy, BVSc (Hons), MANZCVSc, DACVIM

University of Queensland, Australia

Internal medicine specialist

Area of interest: internal medicine

Dr. Grundy received her veterinary degree from the University of Queensland, Australia, in 1997. After working in private practice, she moved to the United States and completed an internship at Texas A&M University, followed by residencies in smallanimal internal medicine and theriogenology at the University of California, Davis. Following her training, Dr. Grundy pursued postgraduate studies with the Department of Population Health and Reproduction at the University of California, Davis. Dr. Grundy has worked in private specialty practice intermittently since 2006 and joined IDEXX as an internal medicine consultant in 2012.
Beth Herman*, DVM, DACVIM, DACVECC

University of California, Davis

Emergency-critical care and internal medicine specialist

Areas of interest: internal medicine, emergency and critical care

Dr. Herman received her veterinary degree from the University of California, Davis, in 1999. She completed an internship at a private specialty hospital in California, followed by a combined residency in internal medicine and in emergency and critical care at a private specialty hospital in Maryland. She has been board-certified in both small-animal internal medicine and in emergency and critical care since 2005. Dr. Herman spent several years in private specialty practice in the Pacific Northwest prior to joining IDEXX as an internal medicine consultant in 2016.
Natalee Holt, DVM, DACVIM

Kansas State University

Internal medicine specialist

Area of interest: internal medicine

Dr. Holt received her veterinary degree from Kansas State University in 2007. She completed an internship at Colorado State University, followed by a small-animal internal medicine residency at Tufts University. She has been boarded in smallanimal internal medicine since 2011. Dr. Holt worked in private practice in New Hampshire for almost 2 years prior to joining IDEXX in 2013.
Jill Lurye, DVM, MS, DACVIM

University of Minnesota

Internal medicine specialist

Area of interest: internal medicine

Dr. Lurye earned her DVM from the University of Minnesota in 1998 and completed her internship at the University of Illinois in 1999 and her residency at Auburn University in 2002. She earned her MS from Auburn University in 2002. She served as a visiting assistant clinical professor at Auburn (2002–2004) and as an assistant professor at Kansas State University (2004–2007). She worked at a private referral practice 2007–2015 and then joined IDEXX in January 2015.
Paige Langdon, DVM, DACVIM

Virginia-Maryland Regional College of Veterinary Medicine

Internal medicine specialist

Area of interest: internal medicine

Dr. Langdon graduated from the Virginia-Maryland Regional College of Veterinary Medicine in 1997. She completed an internship the following year at Washington State University, followed by an internal medicine residency at the University of Missouri–Columbia. After completing her residency, she remained at the university as a clinical instructor for 1 year. She was subsequently employed as a staff internist at a specialty hospital outside Richmond, Virginia, for 8 years. Dr. Langdon is board-certified in small-animal internal medicine. She joined IDEXX as a consultant in 2010.
Andrea Wang Munk, MA, DVM, DACVIM

University of California School of Veterinary Medicine

Internal medicine specialist

Area of interest: internal medicine

Dr. Munk received her veterinary degree from the University of California School of Veterinary Medicine in 2009. She completed a small-animal internship at Colorado State University in 2010 and an internal medicine residency at the University of Georgia in 2013. She is board-certified in small-animal internal medicine. Dr. Munk gained several years of clinical experience as a staff internist in Utah and California prior to joining IDEXX as a consultant in 2015.
Liberty Rasor, DVM, DACVIM

Colorado State University

Internal medicine specialist

Area of interest: internal medicine

Dr. Rasor earned a DVM at Colorado State University, graduating in 2000. She completed a small-animal internship at a specialty hospital in San Diego and a 3-year residency in small-animal internal medicine at the University of California, Davis. Dr. Rasor is board-certified in small-animal internal medicine. She worked in a specialty hospital in Arizona before joining IDEXX as an internal medicine consultant in 2007.
Nancy A. Sanders*, DVM, DACVIM, DACVECC

The Ohio State University

Emergency-critical care and internal medicine specialist

Area of interest: internal medicine, emergency and critical care

Dr. Sanders received her veterinary degree from The Ohio State University in 1991. She then completed an internship and internal medicine residency at the University of Pennsylvania. Following her residency, Dr. Sanders remained on staff at the University of Pennsylvania for several years before venturing out into private practice in New Jersey and then Maryland. While in practice in New Jersey, she completed a residency in emergency and critical care medicine. Dr. Sanders is boardcertified in both small-animal internal medicine and emergency and critical care medicine. She has worked in academia, in industry, for the NIH, and most predominantly in private practice over the 15 years prior to joining IDEXX as an internal medicine consultant in 2012.
Tara K. Trotman, VMD, DACVIM

University of Pennsylvania

Internal medicine specialist

Area of interest: internal medicine

Dr. Trotman received her veterinary degree from the University of Pennsylvania in 2000. She then completed an internship and internal medicine residency at the University of Pennsylvania, and has been board-certified in small-animal internal medicine since 2005. Following her residency, Dr. Trotman remained a staff internist at the University of Pennsylvania for several years. She worked in a private specialty hospital outside of Philadelphia before joining IDEXX as an internal medicine consultant in 2012.
Benita von Dehn, DVM, DACVIM

Colorado State University

Internal medicine specialist

Area of interest: internal medicine

Dr. von Dehn received her DVM from Colorado State University in 1989. She completed a small-animal internship at the Animal Medical Center in New York City, followed by a small-animal medicine residency at the University of California, Davis. She then spent several months at the University of Utrecht Veterinary Hospital in the Netherlands. In 1996, she became a diplomate of the American College of Veterinary Internal Medicine. She has been a part-time medical consultant since 1995, and has been on the consulting staff at IDEXX since 1997.
Amanda Wagner, DVM, DACVIM

North Carolina State University

Internal medicine specialist

Area of interest: internal medicine

Dr. Wagner received her veterinary degree from North Carolina State University in 2002. She completed an internship at Tufts University and an internal medicine residency at the University of Wisconsin. She is board-certified in small-animal internal medicine. Dr. Wagner spent several years in private practice at a multispecialty hospital in Wisconsin prior to joining IDEXX as a consultant in 2015.
Susan Yohn*, DVM, MS, DAVBP, DACVIM

Iowa State University

Internal medicine specialist

Area of interest: internal medicine

Dr. Yohn received her veterinary degree from Iowa State University in 1982. She practiced for several years in New Jersey and Illinois before completing a small animal internal medicine residency at Purdue University. She has been board-certified in small-animal internal medicine since 1994. Dr. Yohn worked in private referral hospitals for 16 years before joining IDEXX as an internal medicine consultant in 2011.
Kristi L. Graham, DVM, MS, DACVIM

Purdue University

Internal Medicine Specialist
Area of interest: internal medicine, dermatology

Dr. Graham received her DVM from Purdue University. She followed it with an internship at Washington State University and finished her training at Atlantic Veterinary College (AVC) of the University of Prince Edward Island, completing an MS and an internal medicine residency. Board-certified in smallanimal internal medicine in 2005, Dr. Graham then returned to Indiana and practiced internal medicine for 8 years. She taught in Purdue’s veterinary technology program and has periodically provided clinical support in the teaching hospital at AVC as a visiting instructor. She has served as chair of the continuing education committee for the Indiana Veterinary Medical Association for several years. Dr. Graham joined IDEXX as a consultant in 2011.
Alondra Martin, DVM, DACVD

Mississippi State University

Dermatology Specialist
Area of interest: dermatology

Dr. Martin received her veterinary degree from Mississippi State University in 1993. After spending time in two general practices as an associate veterinarian, she worked as a clinical instructor at the Purdue University Small Animal Community Practice from 1997–2001. She completed a dermatology residency at Purdue University in 2003. She has been board-certified in veterinary dermatology since 2012. In the years following her residency, Dr. Martin worked in the Midwest as a dermatologist in private practice and at Purdue University. Since graduation, she has also worked for the United States Equestrian Federation, drugtesting horses. She joined IDEXX as a dermatology consultant in 2014.
Catherine Metry, DVM, MS, DACVD

Auburn University

Dermatology Specialist
Area of interest: dermatology

Dr. Metry received her veterinary degree from Auburn University in 2007, followed by a small-animal internship at Purdue University. She then completed a dermatology residency and earned a master of science degree in veterinary clinical medicine at the University of Illinois. She has been boardcertified in veterinary dermatology since 2013. After completing her residency, she worked as a faculty veterinarian at Brown Mackie College in Louisville, KY, and in private practice in Kentucky. She joined IDEXX as a dermatology consultant in 2014.
Raquel Brown*, DVM, DACVIM

Texas A&M University

Oncology and internal medicine specialist
Area of interest: internal medicine, oncology

Dr. Brown received her veterinary degree from Texas A&M University in 1995. She then practiced in Houston as a general practitioner and emergency veterinarian. She returned to Texas A&M in 1998 for advanced training, which included a smallanimal internship, a residency in small-animal internal medicine and a residency in oncology. She is board-certified in both oncology and small-animal internal medicine. Dr. Brown has worked in private referral practices in Texas and served as an adjunct professor at Texas A&M University. She joined IDEXX as a consultant in 2009.
Janet Carreras, VMD, DACVIM

University of Pennsylvania

Oncology specialist
Area of interest: oncology

Dr. Carreras received her veterinary degree from the University of Pennsylvania in 1998. She then completed an internship in 1999 and oncology residency in 2001 at the University of Pennsylvania. She is board-certified in oncology. Dr. Carreras spent 13 years as a medical oncologist at a large referral hospital in Texas before joining IDEXX as a consultant in January 2015.
Kelly Chaffin*, DVM, MSpVM, DACVIM

Texas A&M University

Oncology and internal medicine specialist
Area of interest: internal medicine, oncology

Dr. Chaffin received her veterinary degree from Texas A&M University in 1994. She then completed an internship and smallanimal internal medicine residency at the University of Georgia. Following completion of the internal medicine residency, Dr. Chaffin next completed an oncology residency at North Carolina State University. She is board-certified in both oncology and small-animal internal medicine. Dr. Chaffin worked in private referral practices in Texas and California for 12 years prior to joining IDEXX as a consultant in 2012.

*Indicates that this specialist is double-boarded.
†Indicates the specialist is a contractor.

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