About us

VetPath Services is an independent veterinary pathology laboratory located in the Mid-Hudson Valley area, in Stone Ridge, New York.  Our goal is to provide you with superior quality histology and cytology services in an expeditious and accurate manner for the well-being of your patients.

Our pathologists have extensive expertise in diagnostic pathology including cytology and histopathology, musculoskeeltal pathology, dermatopathology, and more. 

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James Walberg DVM DACVP

Founder & Head Pathologist

Dr. Walberg is a board certified anatomical pathologist with extensive experience in cytology. He has in excess of 25 years of experience with commercial veterinary laboratories.

Paul Greenlee DVM PhD DACVP

Contracting Pathologist

Dr Greenlee is one of two experienced contracting pathologists who work remotely reading cytology and histopathology cases.

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Brian G Caserto DVM DACVP

Veterinary Pathologist

Dr. Caserto is board-certified in anatomic pathology, over 10 years of experience in musculoskeletal, oral/dental, and sinonasal diseases of small and large animals.

Jeanine Peters-Kennedy, DVM, Diplomate ACVP, ACVD

Veterinary Pathologist and Dermatologist  (Consultant)

Dr. Peters-Kennedy is board-certified in anatomic pathology and dermatology.  She is a practicing veterinary dermatologist with expertise in dermatopathology.  Dr. Peters-Kennedy recently co-authored the integumentary system chapter in the new 2015 edition of Pathology of Domestic Animals.


Joshua Smirin

Managing Director

Laura Perry

Laboratory Manager

Genevieve Salerno

Histopathology technician

Michelle Dart

Histopathology technician