Katherine Johnston, MD - Asante
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Katherine Johnston

Katherine Johnston, MD

Office Information

Doctor's Contact Information

  • Office Phone: 541-955-5683





Primary Specialty

  • Pediatrics


  • Pediatrics


Dr. Kat Johnston was born and raised in Fresno, California. She received her Bachelor of Arts in Human Development from the University of California at San Diego. She continued on at UCSD, receiving her Doctor of Medicine from the School of Medicine in 2006. She completed her pediatric residency training at Rady Children’s Hospital, also located in San Diego. Throughout her training, Dr. Johnston has worked extensively with the special needs community. She has spent time volunteering with the Special Olympics, as well as working as a tutor for children with autism. Dr. Johnston recently relocated to Grants Pass with her husband. In her free time, she enjoys reading, swimming, pilates and playing volleyball.


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As the largest health care provider in nine counties, Asante provides comprehensive medical care to more than 600,000 people throughout southern Oregon and northern California. Our facilities include Asante Ashland Community Hospital in Ashland, Asante Rogue Regional Medical Center in Medford, Asante Three Rivers Medical Center in Grants Pass, Asante Physician Partners and additional health care partnerships throughout the region.