Katrina J. Platt, DO
Specialties
- Internal Medicine
On November 1, 2018, Dr. Katrina Platt joined the Concierge practice of Dr. Peter St. Louis. Dr. Platt is excited about this collaboration, and will continue to offer both cutting-edge, evidence-based internal medicine patient care along with added special emphasis on health-maintenance, wellness and preventive health strategies.
Born and raised in Southern California, Dr. Platt returns to the Eisenhower Medical Staff from her own private practice in Redlands, California. Dr. Platt is Board Certified in Internal Medicine and is a Fellow of the American College of Osteopathic Internists. From 2011 – 2017, she worked as a Staff Hospitalist at Eisenhower Medical Center, where she also instructed doctors-in-training in the Internal Medicine Residency Program and served on the hospital Critical Care Committee. She was recruited from that teaching position to lead the creation of the new Internal Medicine Residency Program at Desert Regional Medical Center. She continues in that prestigious academic position as Program Director and is Assistant Professor of Internal Medicine at her alma mater, Western University of Health Sciences.
Dr. Platt has a passion for aviation which she shares with her son, Anthony, a college student and private pilot. She is designated by the Federal Aviation Administration as an Aviation Medical Examiner/ Independent Medical Sponsor. Her daughter, Deborah, has also begun her college career, with the ambition of pursuing a career in medicine.
Born and raised in Southern California, Dr. Platt returns to the Eisenhower Medical Staff from her own private practice in Redlands, California. Dr. Platt is Board Certified in Internal Medicine and is a Fellow of the American College of Osteopathic Internists. From 2011 – 2017, she worked as a Staff Hospitalist at Eisenhower Medical Center, where she also instructed doctors-in-training in the Internal Medicine Residency Program and served on the hospital Critical Care Committee. She was recruited from that teaching position to lead the creation of the new Internal Medicine Residency Program at Desert Regional Medical Center. She continues in that prestigious academic position as Program Director and is Assistant Professor of Internal Medicine at her alma mater, Western University of Health Sciences.
Dr. Platt has a passion for aviation which she shares with her son, Anthony, a college student and private pilot. She is designated by the Federal Aviation Administration as an Aviation Medical Examiner/ Independent Medical Sponsor. Her daughter, Deborah, has also begun her college career, with the ambition of pursuing a career in medicine.
Professional Details
- English
- 13 years
- 14 years
Professional Education
- Western University of Health Sciences
- Valley Hospital Medical Center
- Arrowhead Regional Medical Center
Board Certification
- American Osteopathic Board of Internal Medicine - Internal Medicine
Publication Date: December 17, 2025
