SLUCare Physician Group
Catherine Wittgen, MD Vascular Surgery, General Surgery, Critical Care Medicine in Fenton, MO

Dr. Catherine Wittgen provides a full spectrum of vascular interventions, including open and endovascular treatment for conditions such as carotid artery disease and aortic aneurysms. While she specializes in salvaging limbs, Dr. Wittgen also offers wound care for patients requiring amputation.
For more than 20 years, Dr. Wittgen has participated in large clinical trials regarding medical management of peripheral artery disease (PAD) and gene therapy for patients with critical limb ischemia.
Dr. Wittgen is a professor in the Department of Surgery, Division of Vascular Surgery, at Saint Louis University School of Medicine. She is president of the medical staff at SSM Health Saint Louis University Hospital.
Her professional memberships include the American College of Surgeons, Society for Clinical Vascular Surgery, and Society of Critical Care Medicine. She is past president of the St. Louis Surgical Society.
Dr. Wittgen was the first female vascular fellow to train at Harvard.
For more than 20 years, Dr. Wittgen has participated in large clinical trials regarding medical management of peripheral artery disease (PAD) and gene therapy for patients with critical limb ischemia.
Dr. Wittgen is a professor in the Department of Surgery, Division of Vascular Surgery, at Saint Louis University School of Medicine. She is president of the medical staff at SSM Health Saint Louis University Hospital.
Her professional memberships include the American College of Surgeons, Society for Clinical Vascular Surgery, and Society of Critical Care Medicine. She is past president of the St. Louis Surgical Society.
Dr. Wittgen was the first female vascular fellow to train at Harvard.
About Me
Specialties
Vascular Surgery
General Surgery
Critical Care Medicine
Gender
Female
Education
St. Louis University School of Medicine
Medical School, 1989
St. Louis University Health Sciences Center
Residency, 1990
Saint Louis University School of Medicine
Residency, 1994
University of Minnesota Hosp & Clin
Fellowship, 1995
Massachusetts General Hospital/Harvard Medical Sch
Fellowship, 1996
Hospital Affiliations
SLUCare MCO
SSM Health Cardinal Glennon Children's Hospital
SSM Health Saint Louis University Hospital
SSM Health St. Clare Hospital - Fenton
SSM Health St. Mary's Hospital - St. Louis
Certifications
American Board of Surgery
American Board of Surgery/General-Vascular Surgery
American Board of Surgery/Surgical Critical Care
Drug Enforcement Administration
Missouri State Board of Registration
Medical Interests
Adult congenital heart disease
Amputations
Aneurysms
Aortic aneurysms
Aortic disease
Aortic surgery
Aortic surgery minimally invasive
Ataxia telangiectasia
Atherectomy
Carotid artery disease
Carotid artery surgery and treatment
Reviews
Rating Breakdown
Reviews are measured on a scale of 1 to 5, with 5 being the best score.
Question Breakdown
4.7Overall Experience4.7Listened Carefully4.7Explained Things Clearly4.7Knew Medical History4.7Involved in Care Decisions4.7Showed Courtesy & Respect
Patient Reviews
SSM Health only displays patient satisfaction data for providers included in our survey process and who have a minimum of 30 returned surveys. The overall rating is an average of all responses to the survey questions listed below. The ratings and comments submitted by patients reflect their own views and opinions. Patient identities are withheld to ensure confidentiality and privacy. Learn more about our survey.
4.7 out of 5
49 ratings,
29 reviews
10/30/2026
Dr Wittgen is wonderful. She listened to my concerns and advised me on what to do. She cares about me. I love her for that. The medical field need more doctors like her.
10/29/2026
I'm pleased and very satisfied to have Catherine Wittgen as my Vascular Dr. I wouldn't trade her for anyone or anything!
10/27/2026
Very considerate and patient never rushing you and not keep you waiting a long time very friendly
10/22/2026
She is the best SLU is lucky to have a great Doctor like her and her team
10/22/2026
Dr Wittgens work ethics are second to none.
Map & Directions
SSM Health St. Clare Hospital - Cardiac Cath Lab
1015 Bowles Ave.Fenton, MO 63026