Dr. Mark Gregory is very attentive to my concerns about my health. He always follows up after a visit to the office. I really appreciate his thoroughness.
Mark H. Gregory, MD, FACP
Saint Louis, MO 63141 Get Directions

Annual Membership Fee
My Philosophy and Approach to Wellness...
Dr. Gregory's Credentials
West Suburban Hospital Medical Center
Oak Park, IL
Internal Medicine 1987-1989
West Suburban Hospital Medical Center
Oak Park, IL
1986-1987
University of Vermont College of Medicine
Burlington, VT
Doctorate of Medicine 1986
University of Vermont
Burlington, VT
Bachelor of Arts, Zoology 1982
United States Air Force Achievement Medal for Expeditionary Medical Support 2013
Member, Medical Executive Committee, Barnes-Jewish Hospital 2005-present
Member, Medical Staff Council, Barnes-Jewish Hospital Medical Staff Association 2002-present
Secretary/Treasurer, Medical Staff Council, Barnes-Jewish Hospital Medical Staff Association 2013-2014
Instructor in Clinical Medicine, Washington University School of Medicine 1992-2012
Board of Managers, BJC Medical Group, BJC HealthCare 2000-2005
Primary Care Executive Committee, United Healthcare 2001
Instructor, Ambulatory Care Experience for Students (ACES) Program, Washington University School of Medicine 2005-present
Instructor, Continuity Ambulatory Experience for Residents (CAER) Program, Washington University School of Medicine 2005-present
Medical Director, Vaccination Program, 126th Air Refueling Wing, United States Air Force 2012-present
Testimonials from patients of Dr. Gregory
I’ve never had a doctor call to wish me happy holidays and to remind me to remember our troops. My dad served in the military for 27 years. My mom and dad are buried at Arlington National Cemetery.
Dr. Gregory is a kind, thoughtful and compassionate physician. Thank you for your kind care and for reminding us that while we are lucky to have great medical care, many sacrificed so we could… See more
In a time when the medical system is challenging enough to navigate, having a physician who actually takes the time to get to know you on a personal level is so refreshing. Dr. Gregory took the time to truly listen to me, and asked thoughtful questions about my health and goals for my well being. More importantly, he is accessible and engaged - to the point when I call, he knows me personally… See more
Dr Gregory is a champion wherever we are. Thank you for being such a good listener. Nan&Mike
Some of our family live in St Louis and others out of town. Dr Gregory is soooo accommodating. We couldn’t do without him and his office! We feel very fortunate.
Mark Gregory is my friend as well as my doctor. I am fortunate to have him as my personal physician.
Dr. Gregory has always been friendly and informative with me. We do share similar interests but I feel he treats everyone equally well.
I never have felt he was uncommunicative or anxious o skip ahead to the next patient. I have full confidence in his professional opinions
and advice he gives. Both my wife and are extremely happy with our choice of physician.

When I called you from out of state and was in pain from breaking my nose in a fall, you told me exactly what to do and for how long. The ER doc said to take Tylenol, which did absolutely nothing to help.
If feels so good to know that I can reach you, no matter where I am---to get the best care from my Doc who knows me well. Also, if I get sick in town, you're only a short… See more

I cannot put into words what Dr. Gregory being my physician means to me. I trust him implicitly for my medical care. His immense knowledge, his caring manner, his tireless response to any questions I have whether it be during office hours or not is truly beyond any other experience I have had with the medical field. I am constantly amazed with this man’s dedication. He truly is one of a kind… See more
Dr.Mark Gregory, your care for our family has been very appreciated. The time you take to listen, explain and prescribe is priceless. You do much more than a usual doctor would do.
As an example: The time I texted you about my sister's allergy and my brother's cancer, you were quickly returning answers to my questions. This outstanding support made me feel like you were… See more