Schedule a Zoom or Phone Appointment by Calling the Clinic at 503-267-8888 or Schedule Online Through The Clinic Site. Thank you!

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25 Years in Practice, Our Certified Cat Behaviorist™ and Veterinarian Team Have Helped Thousands of Cat Owners Solve Their Cat’s Aggression, Urination, Defecation, and Vocalization Behavior Issues in Over 30 Countries. 

We have more cat owners purring than anyone.  Read over 350 client testimonials here.

STEP ONE: Choose Your Feline Behavior Wellness Consultation Program

  • Important Update: We are scheduling Zoom and phone appointments with the doctor and cat behaviorist January 20th through February 15th.  For urination or defecation issues, participate in our feline study and receive the reduced consult fee through January 31st.  Scheduled cat owners can also participate in Mieshelle’s cat behavior show production with Discovery Channel (already with 125 million viewers internationally).

The Importance of Gene-encoded Behavior: The Doctor and Behaviorist Team Apply the Sciences of Wild Felid Genetics, Psychology, Biology, and Feline Learning and Memory to Effectively Solve Your Cat’s Behavior Issues Long Term.

Founder of the the first cats exclusively behaviorist practice in the United States and in over 30 countries, Mieshelle Nagelschneider studied animal behavior at Oxford University and the University of Edinburgh Royal School of Veterinary Studies, and her animal behavior experience at Harvard University (read more here) has enabled her to help cat owners understand the science behind their cat’s behavior.  The first “Cat Behaviorist” in the U.S., she is the award-winning international author of New York Times acclaimed feline behavior science book published in 4 languages by Random House Publishing.  Watch Mieshelle on Discovery Channel as the new host on My Cat From Hell, Nat GeoWILD’s Animals Doing Things With Howie Mandel, and as National Geographic cat behavior documentaries and published works long time cat behavior expert and researcher for the 37 species of wildcats (including your domestic house cat). As the new host for Discovery Channel’s show, My Cat From Hell, she has reached over 100 million cat owners internationally so far!

Recipient of the “Gold Purr Award” and the “2020 Business Award for Exemplary Businesses and People in the Field of Animal Behavior”.