Dr. Thomas Sterling, D.O.
Lieutenant Colonel, United States Air Force
Board-Certified Emergency Medicine Physician
Professional Roles:
Critical Care Air Transport Team (CCATT) Physician
Flight Physician
Deputy Health Officer, Manchester, Vermont
Physician Consultant, Semester at Sea Program
Education & Training:
Undergraduate Education:
Grand Canyon University
Bachelor of Science in Biology, Cum Laude
Medical School:
Midwestern University – Chicago College of Osteopathic Medicine
Internships:
General Surgery Internship
Temple University School of Medicine / Conemaugh Memorial Medical Center – Johnstown, PA
Osteopathic Rotating Internship
Michigan State University College of Osteopathic Medicine / Sparrow Hospital – Lansing, MI
Residency Training:
Emergency Medicine Residency
St. Vincent Mercy Medical Center – Toledo, OH (ACGME-accredited)






Dr. Mary Katherine "Kate" Howard, M.D.
Board-Certified Family Medicine Physician
Professional Summary:
Dr. Mary Katherine “Kate” Howard, M.D., is a board-certified Family Medicine physician with a passion for delivering comprehensive, patient-centered care. She joined Manchester Medical Center in March 2024, bringing with her over a decade of experience in family medicine across diverse patient populations—from newborns to seniors.
Prior to relocating to Vermont in 2019, Dr. Howard practiced in Arkansas for seven years, where she provided full-spectrum primary care and built lasting relationships with the communities she served.
“I’m thrilled to join Manchester Medical Center and contribute to the growth of their primary care program. My goal is to promote more informed patient care and education, ultimately leading to a healthier Vermont.”
Education & Training:
Undergraduate Education:
University of Arkansas, Fayetteville
Bachelor of Science in Chemical Engineering (2003)
Medical School:
University of Arkansas for Medical Sciences (UAMS), Little Rock
Doctor of Medicine (2009)
Residency Training:
Family Medicine Residency
UAMS AHEC Program – Pine Bluff, AR
Board Certification:
American Board of Family Medicine (Since 2013)