Skip to main navigation Skip to main content

Meet Our Team

Behavioral Medicine Department

Theresa DePorter, DVM, MRCVS
Diplomate, ACVB and European College of Animal Welfare and Behavioral Medicine

Theresa DePorter

Theresa DePorter is board certified diplomate in the American College of Veterinary Behavior (ACVB) and the European College of Animal Welfare and Behavioural Medicine (ECAWBM). She received her Doctor of Veterinary Medicine from Purdue University and her Bachelor Science in Biology in 1992. She has been seeing behavior consultations at Oakland Veterinary Referral Services in metropolitan Detroit, Michigan since 2004.

Download Bio

Ashley Elzerman, DVM, MS
CEVA, ACVB Behavior Resident

Ashley Elzerman

Ashley Elzerman is a ACVB resident. She received her DVM degree from University of Illinois in 2009.

Download Bio

Cardiology Department

Timothy J. Becker, DVM
Diplomate, American College of Veterinary Internal Medicine (Internal Medicine & Cardiology)

Timothy J. Becker

Timothy J. Becker, DVM, diplomate ACVIM is a graduate of Tufts University School of Veterinary Medicine. After finishing his veterinary degree, he completed a one-year small animal rotating internship at Angell Memorial Animal Hospital in Boston, Massachusetts. Dr. Becker then worked in general practice in Maine for 2 years before starting an internal medicine residency.

Download Bio

Renee D. Riepe, DVM
Diplomate, ACVIM Cardiology

Renee D. Riepe

Dr. Riepe, DVM is board certified by the American College of Veterinary Internal Medicine, in the subspecialty of cardiology. Dr. Riepe attended the University of Tennessee College of Veterinary Medicine where she focused on cardiovascular disease. In her senior year, Dr. Riepe was recognized with the Outstanding Student in Small Animal Medicine award.

Download Bio

Alternative Medicine Department

Erin Bannink, DVM, CVA (IVAS)
Oncology/ Complementary and Alternative Medicine

Erin Bannink

Dr. Erin Bannink is board-certified by the American College of Veterinary Internal Medicine specialty of oncology. Dr. Bannink has a special interest in Complementary and Alternative Medicine (CAM) and values a holistic approach to treatment, offering both Integrative and regular oncology consultations. She received her certification in veterinary acupuncture (CVA) through the International Veterinary Acupuncture Society (IVAS).

Download Bio

Dermatology & Allergy Department

Carolyn M. Kidney, DVM, M.S.
Diplomate, ACVD

Carolyn M. Kidney

Carolyn Kidney is board certified by the American College of Veterinary Dermatology. Dr. Kidney is a 1996 graduate of the Ontario Veterinary College at the University of Guelph. After three years in general small animal practice in Owen Sound and Sauble Beach, Ontario she moved to Washington D.C. where she completed a 1 year rotating internship in small animal medicine and surgery at South Paws Veterinary Referral Center. Dr. Kidney completed her dermatology residency and her M.S. degree concurrently at Auburn University in Alabama.

Download Bio

Ann W. Mattise, DVM
Dermatology/Allergy

Ann W. Mattise

Ann Washabaugh Mattise, DVM is a referral dermatology and allergy practitioner. Dr. Mattise graduated from the University of Michigan (Ann Arbor) with a degree in biology. From there she attended veterinary school at Michigan State University's College of Veterinary Medicine. After 3 years of general practice in Charlotte, Michigan, Dr. Mattise returned to MSU to complete her residency in veterinary dermatology. She has been practicing exclusively dermatology and allergy in the Metropolitan Detroit area for over 18 years.

Download Bio

Annette Petersen, DVM
Diplomate, ACVD

Annette Petersen

Annette Petersen is board certified by the American College of Veterinary Dermatology. Dr. Petersen is a 1991 graduate of the College of Veterinary Medicine in Hanover, Germany. Dr. Petersen received her Dissertation in 1992 from the CVM in Hanover, Germany, which is equivalent to a master degree in the United States. After a 1-year internship in small animal medicine and surgery at Washington State University, she came to Michigan to complete a residency in veterinary dermatology at Michigan State University.

Download Bio

Diagnostic Imaging Department

Rachel Smith, DVM, DACVR

Rachel Smith, DVM grew up in Novi, MI earning her Bachelors of Science at the University of Michigan in 2006. She then switched allegiances and received her Doctor of Veterinary Medicine from Michigan State University (MSU) in 2013. Following graduation, she completed a one-year rotating internship in small animal medicine and surgery at North Carolina State University. In July 2017, she completed a residency in Diagnostic Imaging at Michigan State University and obtained board certification in the same year.

Dr. Smith has an interest in abdominal ultrasound and has authored studies utilizing the modality in patients with gallbladder disease and immune-mediated hemolytic anemia. She currently also has an active interest in vascular and cross-sectional imaging. She is excited to enhance the quality of medicine at OVRS by offering digital fluoroscopy services and interpretation of CT and radiographic studies. Dr. Smith is an active advocate for continuing education for veterinary students and veterinary professionals and has lectured and instructed several hands-on laboratories. Outside of the clinic, she enjoys cooking, cycling, and hiking with her husband, daughter, and yellow lab.

MEMBERSHIPS:

American College of Veterinary Radiology
Radiological Society of North America
American Veterinary Medical Association
Michigan Veterinary Medical Association
Southeast Michigan Veterinary Medical Association

 

Emergency and Critical Care Department

Heather Bauer, DVM
Practice Limited to Emergency & Critical Care

Colleen Beach, DVM
Practice Limited to Emergency & Critical Care

Kari Beer, DVM
Diplomate, American College of Veterinary Emergency & Critical Care

Dr. Beer is a diplomate of the American College of Veterinary Emergency Critical Care (DACVECC). She obtained her veterinary degree from Michigan State University in 2009, and completed a one-year internship in small animal medicine and surgery and a three-year residency in small animal emergency and critical care medicine at the University of Pennsylvania in Philadelphia. Following her residency, Dr. Beer worked in academia for several years as a lecturer at the University of Pennsylvania and as an assistant professor at Michigan State University. She was thrilled to join OVRS in December 2017.

Dr. Beer has been published in the Journal of the American Veterinary Medical Association and the Journal of Veterinary Emergency and Critical Care, and is actively involved in VetGirl as well as research and textbook contributions. She loves to teach and lectures at the national level in emergency and critical care. Her interests include trauma, resuscitation and sepsis.

Christopher Coppins, BVMS MRCVS
Practice Limited to Emergency & Critical Care

Christopher Coppins

Christopher Coppins, BVMS, MRCVS graduated from Michigan State University with his bachelor's in Physiology. Dr. Coppins earned his veterinary medicine degree with commendation from the University of Glasgow, Faculty of Veterinary Medicine in 2007. Following graduation, he completed a one year rotating internship at Oakland Veterinary Referral Services. Afterwards, he gladly accepted a position in the Emergency & Critical Care department.

Download Bio

Karen Fidell, DVM, MS
Practice Limited to Emergency & Critical Care

Karen Fidell

Karen Fidell, DVM, MS is a 1990 graduate of the Michigan State University College of Veterinary Medicine. After graduation, she participated in a one year rotating internship in small animal medicine and surgery at the Veterinary Hospital of the University of Pennsylvania. She returned home to Michigan to settle into private practice first in Wyandotte and then in Lincoln Park.

Download Bio

Judith Fleischaker, DVM, MS
Practice Limited to Emergency & Critical Care

Judith Fleischaker

Judi Fleischaker, DVM, MS received her DVM degree from Colorado State University in 1985. Prior to her acceptance at CSU, Dr. Fleischaker worked as a veterinary technician in an emergency center for 8 years. She has co-authored journal articles on the topic of renal disease in Doberman Pinschers. She is a provider of emergency veterinary education to search and rescue groups, firemen, and policemen around the country.

Download Bio

Noni Greene, DVM
Practice Limited to Emergency & Critical Care

Noni Greene

Noni Greene, DVM joined the emergency and critical care staff of OVRS in September of 2004. She graduated from the University of Michigan, Ann Arbor, where she received a Bachelors of Science degree with the dual concentration in Biology and African American and African Studies. She earned her Doctorate of Veterinary Medicine degree at Tuskegee University where she graduated first in her class and earned numerous awards and scholarships.

Download Bio

Melissa Holahan, DVM
Diplomate, American College of Veterinary Emergency & Critical Care

Melissa Holahan

Melissa Holahan, DVM joined the emergency and critical care staff of OVRS in November of 2012. She received her Doctor of Veterinary Medicine from Michigan State University, College of Veterinary Medicine in 2006. In July 2010, she completed a residency in emergency and critical care medicine at the Michigan State University Veterinary Teaching Hospital. Following that she worked at a teaching hospital in Connecticut for two years before returning home to Michigan.

Download Bio

Sam Latra, DVM
Practice Limited to Emergency & Critical Care

Sam Latra

Sam Latra, DVM joined the emergency and critical care staff at OVRS in July of 2004. He graduated from Michigan State University, College of Veterinary Medicine in May 2003. After graduating from veterinary college, he completed a one-year rotating small animal internship at Garden State Veterinary Specialists.

Download Bio

David Ricketts, DVM
Practice Limited to Emergency & Critical Care

David Ricketts, DVM joined OVRS emergency and critical care in July 2017. He received a Bachelors of Science degree in Microbiology from NC State University. He graduated from Michigan State University College of Veterinary Medicine in May 2016. After graduating veterinary school, he completed a 1 year small animal rotating internship at Ohio State University College of Veterinary Medicine.

Elizabeth Sopoliga, DVM
Practice Limited to Emergency & Critical Care

Elizabeth Sopoliga

Elizabeth Sopoliga, DVM has been practicing exclusively emergency medicine since graduating in 2002 from Michigan State University. Immediately after graduation, she practiced at a high volume and progressive emergency clinic in southern California. She returned to Michigan in April 2004 to help initiate the Oakland Veterinary Emergency and Critical Care department of OVRS.

Download Bio

Sara Snow, DVM
Diplomate, American College of Veterinary Emergency and Critical Care

Sara Snow

Sara Snow, DVM joined the Emergency and Critical Care Service in July 2006. She graduated from Michigan State University College of Veterinary Medicine in 2004 and went on to complete a rotating internship in small animal medicine and surgery at Carolina Veterinary Specialists in Charlotte, NC. In July 2005 she returned to Michigan State University for a specialty internship in emergency and critical care and went on to pursue residency training.

Download Bio

Internal Medicine Department

Timothy J. Becker, DVM
Diplomate, American College of Veterinary Internal Medicine (Internal Medicine & Cardiology)

Timothy J. Becker

Timothy J. Becker, DVM, diplomate ACVIM is a graduate of Tufts University School of Veterinary Medicine. After finishing his veterinary degree, he completed a one-year small animal rotating internship at Angell Memorial Animal Hospital in Boston, Massachusetts. Dr. Becker then worked in general practice in Maine for 2 years before starting an internal medicine residency.

Download Bio

Aunna C. Lippert, DVM, MS
Diplomate, American College of Veterinary Anesthesiologists, Diplomate, American College of Veterinary Internal Medicine

Aunna C. Lippert

Aunna C. Lippert, DVM, MS is board certified by both the American College of Veterinary Anesthesiologists and the American College of Veterinary Internal Medicine, Subspecialty of Small Animal Internal Medicine. She received her D.V.M. degree from the Ontario Veterinary College in 1982, then spent a year in private practice in southern Ontario. After completing an internship in Small Animal Medicine and Surgery at the University of Illinois, she spent five years in residency training at the Michigan State University Veterinary Teaching Hospital.

Download Bio

Cheryl Rice, DVM
Diplomate, American College of Veterinary Internal Medicine

Cheryl Rice

Dr. Cheryl Rice, DVM is board certified by the American College of Veterinary Internal Medicine, Subspecialty of Internal Medicine. Dr. Rice is a native of Michigan and is a graduate of the Michigan State University College of Veterinary Medicine. She received numerous awards at the honors banquet at the completion of her senior year of veterinary school.

Download Bio

Oncology Department

Erin Bannink, DVM, CVA (IVAS)
Oncology/ Complementary and Alternative Medicine

Erin Bannink

Dr. Erin Bannink is board-certified by the American College of Veterinary Internal Medicine specialty of oncology. Dr. Bannink has a special interest in Complementary and Alternative Medicine (CAM) and values a holistic approach to treatment, offering both Integrative and regular oncology consultations. She received her certification in veterinary acupuncture (CVA) through the International Veterinary Acupuncture Society (IVAS).

Download Bio

Jessica Ottnod, DVM
Diplomate, ACVIM (Oncology)

Jessica Ottnod

Jessica Ottnod, DVM was born and raised in Rochester, New York and achieved her Bachelor of Science degree in Microbiology with a minor in Psychology from the University of Rochester in 2003. To pursue her dream of becoming a veterinarian, she moved to Columbus, Ohio and graduated from The Ohio State University College of Veterinary Medicine in 2007.

Download Bio

Michele Sauerbrey, DVM
Diplomate, ACVIM (Oncology)

Michele Sauerbrey

Michele Sauerbrey, DVM is a Michigan native, born in Southfield. She attended Michigan State University where she completed and received a Bachelor of Science degree in 1992 and her Doctor of Veterinary Medicine degree in 1997. Dr. Sauerbrey's collection of awards and recognitions obtained during her four year veterinary degree include: The Phi Zeta Award for Academic Excellence (1997) and The Jean M. Davis Foundation Scholarship (1996 & 1997).

Download Bio

Surgery Department

Curtis Cathcart, DVM
Diplomate American College of Veterinary Surgeons - Small Animal

Curtis Cathcart

Dr. Curtis Cathcart received his DVM from the Western College of Veterinary Medicine (Saskatoon, Canada) in 1999. He ran a general small animal practice on the west coast of Canada until 2006, at which point he decided to pursue his interest in surgery. Surgical internships in Texas and California led to a position as research associate at the University of Georgia studying canine gait analysis and pain management. Dr. Cathcart then did his residency in small animal surgery at Metropolitan Veterinary Hospital in Akron, Ohio attaining board certification by the American College of Veterinary Surgeons in 2015. Prior to joining OVRS, Dr. Cathcart was assistant professor of small animal surgery at the University of Saskatchewan

Download Bio

Jennifer Covey, DVM
Diplomate, American College of Veterinary Surgeons, Founding Fellow in Surgical Oncology

Jennifer Covey

Dr. Jennifer Covey graduated with her DVM from Colorado State University in 2004. After completing a rotating internship in small animal medicine and surgery at VCA West Los Angeles where she was the 2005 Intern of the Year, she went on to perform a residency in small animal surgery at Michigan Veterinary Specialists.

Download Bio

Krista Gazzola, DVM
Practice Limited to Surgery

Lauren Retallack, DVM
Practice Limited to Surgery

Lauren Retallack, DVM grew up in western Washington state. She received her Bachelor of Science with honor from Western Washington University in 2008. She graduated from Washington State University's College of Veterinary Medicine in 2012. She went on to complete a rotating medical and surgical internship with Carolina Veterinary Specialists in Charlotte, North Carolina, and a surgical specialty internship with Aspen Meadow Veterinary Specialists in Longmont, Colorado. She then completed a small animal surgical residency at Metropolitan Veterinary Hospital in 2017. During Dr. Retallack’s surgical residency she received extensive training in less invasive arthroscopic and laparoscopic surgical procedures.

Special interest in: arthroscopy (shoulder, elbow and stifle), fracture repair, external skeletal fixation, thoracic, and abdominal surgery. Dr. Retallack has gained considerable experience in minimally invasive orthopedic surgery which has become the standard of care in many situations for not only humans but also veterinary medicine.
Memberships:
American Veterinary Medical Association
Michigan Veterinary Medical Association
Southeastern Michigan Veterinary Medical Association
Veterinary Orthopedic Society
Society for Veterinary Soft Tissue Surgery

Lucy H. Shields Henney, DVM
Diplomate, American College of Veterinary Surgeons

Lucy H. Shields Henney

Lucy H. Shields Henney, DVM is board-certified by the American College of Veterinarian Surgeons. She has a special interest in general, orthopedic, oral and oncologic surgery. She was the first surgeon in Michigan to perform the triple pelvic osteotomy for the treatment of hip dysplasia and continues to be a pioneer in the area.

Download Bio

OVRS veterinarians with pets