Our Physicians • Listed by Specialty • Listed by Name
Education
- B.S., Loyola University of Chicago, Chicago, Illinois, 1977
- M.D., Loyola-Stritch School of Medicine, Maywood, Illinois, 1980
internship
St. Vincent Hospital, Indianapolis, Indiana, 1981
Residency
Indiana University Medical Center, Indianapolis, Indiana, 1985
fellowship
Hand Surgery, The Mayo Clinic, Rochester, Minnesota, 1986
began practice at KOC
1986
board certification
- American Board of Orthopaedic Surgeons, 1988
- American Board of Orthopaedic Surgeons, Certificate of Added Qualification in Hand Surgery, 1996
orthopedic specialty

Office info
KOC: 865-558-4400
Appointments:
865-558-4444
Office Locations
Weisgarber Road
Fort Sanders West
Mercy Medical Center North
Administrative Assistant
865-450-1231
John M. Ambrosia, M.D.
Dr. John Ambrosia was born in Chicago, Illinois. He attended Loyola University of Chicago and Loyola University-Stritch School of Medicine. After completing his Orthopedic Surgery Residency at the Indiana University Medical Center in Indianapolis he completed his training at the Mayo Clinic in Rochester, Minnesota. At the Mayo Clinic he participated in and completed an intensive one year fellowship in hand and microvascular surgery.
Dr. Ambrosia joined the Knoxville Orthopedic Clinic in 1986. He specializes in
problems related to the upper extremity especially involving the hand. He enjoys
the subspecialty nature of the Knoxville Orthopedic Clinic which allows him to
focus his attention and efforts on problems, injuries, and diseases of the hand.
Dr. Ambrosia has been selected by his peers to the "Best Doctors
in America” and Cityview Magazine's "Top Doctors in Knoxville." He
is Board Certified by the American Board of Orthopedic Surgery and has obtained
the Certificate for Added Qualifications for Surgery of the Hand. He is a member
of the American Society for Surgery of the Hand and the American Academy of Orthopedic
Surgeons.
Dr. Ambrosia has been married to his wife Lou for 25 years and they have three children. He enjoys carpentry and gardening in his spare time.




