SSM Health Medical Group

Peter Fonseca, MD

Thoracic Surgery, General Surgery, Cardiothoracic Vascular Surgery • 3 Locations

4.8 out of 5 –

SSM Health Heart & Vascular Care

400 First Capitol Drive, Suite 401

St. Charles, MO 63301

Phone

636-669-2220

View location details

Dr. Fonseca is an experienced thoracic surgeon with a number of years in private practice. He earned his medical degree from Saint Louis University, completed his internship and residency at Wright State University and his fellowship at the Medical College of Wisconsin. Additionally, Dr. Fonseca completed his doctorate from Purdue University in Biochemistry.

Dr. Fonseca is board certified in thoracic and general surgery. He has special interest in minimally invasive lobectomies utilizing the daVinci Surgical system.

About Me

Reviews

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

4.8 out of 5

44 ratings,

15 reviews

11/19/2025

Dr. Fonseca explained everything in terms my husband and I understood. He was thorough in my examination and listened carefully to my issues. He is a caring person and his patients are lucky to have him as a physician

11/5/2025

He was the best very professional

10/17/2025

I feel very fortunate that I was refered to Dr Fonseca.

10/17/2025

Great

9/9/2025

His bed side manner is absolutely impeccable