About
Dr. David Katzman grew up in St. Louis and attended John Burroughs School before earning his undergraduate degree from Brown University, magna cum laude. He went on to St. Louis University School of Medicine, where faculty recognized him with both Alpha Omega Alpha and Alpha Sigma Nu honors. His residency in Internal Medicine at Washington University in St. Louis led to his selection as Chief Resident at Barnes Hospital and John Cochran Veterans Hospital. Washington University also presented him with the Knowlton Award for clinical excellence.
Dr. Katzman holds board certification in Internal Medicine and received his Fellowship in the American College of Physicians in 2021. He remains a Voluntary Clinical Instructor in Medicine at Washington University. He serves on the Medical Board of the St. Louis Men's Group Against Cancer and holds membership in the American Medical Association and the St. Louis Medical Society. Together with Dr. DeLaney, he co-invented a Powered Air-Purifying Respirator with Hunter Engineering, donating more than 500 devices to hospitals across the US, Central and South America, and Africa. Outside medicine, he enjoys reading, cooking, movies, and exercise. He and his wife Diane, a jewelry designer, have three grown daughters and a rescue dog.
Education & Training
Undergraduate
Brown University, magna cum laude
Medical School
St. Louis University School of Medicine
Residency
Internal Medicine, Washington University in St. Louis (Chief Resident at Barnes Hospital and John Cochran Veterans Hospital)
Additional Training
Voluntary Clinical Instructor in Medicine, Washington University in St. Louis
Certifications
Who is Dr. Katzman right for?
Dr. Katzman suits adults seeking a long-term physician who prioritizes prevention and wellness. Patients managing chronic conditions benefit from his deep clinical experience and hospital medicine background. He serves those who value a physician actively engaged in their specialist referrals and hospital care. His focus on cancer screening makes him a strong fit for patients overdue on preventive workups.
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Frequently Asked Questions
Dr. Katzman specializes in Internal Medicine and Preventive Medicine. His practice emphasizes wellness and proactive health management, including cancer screening for colon, prostate, skin, and lung cancers. He brings over two decades of concierge medicine experience to each patient relationship.
Yes. Dr. Katzman holds board certification in Internal Medicine. The American College of Physicians named him a Fellow in 2021, recognizing his clinical contributions and expertise.
Dr. Katzman attended St. Louis University School of Medicine and completed his Internal Medicine residency at Washington University in St. Louis. Washington University selected him as Chief Resident at Barnes Hospital and John Cochran Veterans Hospital. He also received the Knowlton Award for clinical excellence during his tenure there.
Dr. Katzman holds staff privileges at Barnes-Jewish Hospital, Barnes-Jewish West, and Missouri Baptist Hospitals. When a patient requires hospitalization, he coordinates care and visits them directly.
Dr. Katzman's panel is currently full. Prospective patients interested in the practice can inquire about Dr. Jacqueline Fairchild, who is actively accepting new members.
Dr. Katzman serves as a Voluntary Clinical Instructor in Medicine at Washington University in St. Louis. He also sits on the Medical Board of the St. Louis Men's Group Against Cancer.
Dr. Katzman co-invented a Powered Air-Purifying Respirator with Dr. DeLaney and Hunter Engineering. Together, they donated more than 500 devices to hospitals in the US, Central and South America, and Africa.
Doctor profile last updated April 11, 2026