The cat behavior
clinic of New York
clinical cat behaviorist AND vETERINARY rEFERRAL TEAM
Harvard & oxford-trained
Cat Behaviorist Clinic New York Behavior Team 33 Years in Practice Specializing in the Scientific Research and Science-based Management of Cat Behavior Issues.

We Have More Cat Owners Purring Than Anyone View 350 Cat Behavior Testimonials
We Understand the Whole Cat – Behavior and Biology
Award-winning Cat-exclusive Clinic with 33 Years in Practice Providing New York Cat Owners Excellent and Comprehensive Cat Behavior Care Based on the Feline Evolutionary Biology of Their Cat. Our Oxford-trained Cat Behaviorist Scientifically Analyzes and Solves Your Cat’s Behavior Issues from a Behavioral Cognitive, Ethological and Gene-encoded Point of View. She wrote the book that is required textbook curriculum to become certified in cat behavior.
Did You Know?: Dr. Shultz and Mieshelle Wrote the Required Textbook Curriculum Used to Certify Other Cat Counselors You See Today


Visit our Home Page to Schedule with Our Experienced and Oxford-trained Clinic Cat Behaviorist. We Scientifically Analyze and Solve Your Cat’s Behavior Issues from a Behavioral Cognitive, Ethological and Gene-encoded Point of View.

Cat Behaviorist Clinic for New York – Ready to Join Our Long List of Cat Owners in NYC Whose Cats No Longer Have Behavior Issues?
We are not cat trainers or consultants. We are cat behaviorists that understand the whole cat – both their behavior and biology.
Host of Discovery Channel’s new Cat Behavior Show, My Cat From Hell, Mieshelle is the founder of the first cats exclusively behavior practice in the United States. She 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.
Schedule a phone, video, or in-person consultation with our team. The clinic specializes in urination, defecation, human and inter-cat aggression, and excessive vocalization (nighttime or daytime) issues. View 350 Cat Behavior Testimonials and Solved Case Studies for New York Cat Owners.
Mieshelle Nagelschneider Cat Science Books – Published in 5 Languages

The Cat Whisperer
2013

Tipps von der
Katzenflusterin
2014

Macskakkal suttogo
2017

The Most Popular Pet is Also the Most Underserved
“We just wanted to extend our many thanks to you for solving Ariel’s urination issue. We literally thought we had tried everything. Your team’s knowledge about cat behavior is priceless and we just can’t thank you enough. It will be 2 months and she still hasn’t urinated on the laundry or our bed.” The Berger family – New York
Please visit our Cat Issues Solved page to learn more about common cat behavior issues the clinic solves. We have helped cat owners with urination, defecation, human aggression, inter-cat aggression, excessive vocalization by applying the sciences of wild felid genetics, psychology, biology, feline learning and memory to effectively solve these common issues.
New York Times Acclaimed Cat Behavior Science Author
Mieshelle is the award-winning international author of New York Times acclaimed feline behavior science book published in 5 languages by Random House Publishing. She has the most watched cat behavior show in the world, “My Cat from Hell” on Discovery Plus with 1 billion viewers and two Academy Awards. Watch Mieshelle on the Today Show, National Geographic, Hallmark Channel and NBC Dateline, 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).

Dr. Jordan Carlton Schaul, Ph.D., contributing editor, National Geographic, and past curator, Orange County Zoo, “The reason people are so mesmerized by house cats is because they are truly miniature versions of lions, tigers, and leopards. In her book, Mieshelle Nagelschneider explains the behavior of the house cat in an unprecedented and most accessible way, offering unique insight into the often misunderstood companion animal that is as wild as we have become civilized.”

Medical Disclaimer
The Cat Behavior Clinic provides behavior consultation only and does not diagnose or treat medical conditions. While behavior concerns can sometimes be influenced by physical discomfort, all medical questions, diagnostic testing, prescribing medications or prescription diets, and interpretation of lab results must be addressed directly with a licensed veterinarian.
World-renowned Oxford-trained Cat Behaviorist Mieshelle Nagelschneider, The Cat Whisperer™️
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