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Veterinarians
Dr. Mary Oswald received her Bachelor of Science and Doctorate of Veterinary Medicine from
Michigan State University.  She joined Orchard Lake Animal Hospital in 1991 and became a
partner in 1998.  She is active in the veterinary community and is currently serving on the
board of MSU's Veterinary Teaching Hospital.  She is a past president of the Southeastern
Michigan Veterinary Medical Association and has also served on the council.  Her special
interests are feline medicine and soft tissue surgery.
All of our knowledgeable veterinarians are members of the Southeastern Michigan
Veterinary Medical Association and the American Veterinary Medical Association.
Dr. Kenneth Mayhew is a graduate from Michigan State University with both a Bachelor of
Science and a Doctorate of Veterinary Medicine.  He has served as president of the Oakland
County Veterinary Medical Association and was director on the board of the Michigan
Veterinary Medical Association.  He also served as president of West Bloomfield Chamber of
Commerce.  He has been practicing veterinary medicine for over 37 years.

Dr. Mayhew retired at the end of 2009.
Dr. Darlene Ottolini graduated as a Doctor of Veterinary Medicine from Michigan State
University in 2001.  She has been with Orchard Lake Animal Hospital since 2003.  Dr. Ottolini
also holds a Bachelor of Science degree in Civil Engineering and was a practicing civil engineer
prior to becoming a veterinarian.  In her spare time, she enjoys training her dogs in obedience,
agility, and field trials.   

Dr. Robertson l
eft Orchard Lake in May, 2011.  I will be moving to Baltimore, Maryland where
my husband will be staring a residency position in Pathology at John's Hopkins.   I have loved
getting to know so many wonderful people here and caring for their pets.  I will miss all of my
clients and wish you and yours nothing but the best.
Dr. Mike Pintar retired in 2006 after serving the community for 37 years.  He co-owned
Orchard Lake Animal Hospital from 1975 until his retirement.
Dr. Joshua Middleton received his Bachelor of Science degree in Fisheries and Wildlife
Management from Michigan State University prior to attending veterinary school.  He finished
his Doctorate of Veterinary Medicine degree at Michigan State University in 2008.  He spent his
first 3 years as an associate veterinarian at Caputo Animal Hospital in Dearborn Heights, before
joining Orchard Lake Animal Hospital full time in June 2011.  He is a member of the AVMA,
MVMA, and SEMVMA.  He and his wife have one dog (a Vizsla) and two cats to keep them
company at home.