

Infectious Disease
David Letzer, MD
Stewardship and Medical Director
Brookfield, WI
David M. Letzer, DO, is an infectious disease specialist practicing in Brookfield, Wisconsin, with over 40 years of experience serving adult patients in southeastern Wisconsin. He focuses on managing complex infectious diseases through his role at Infectious Disease Specialists of Southeastern Wisconsin, where he serves as Secretary/Treasurer and partner. Dr. Letzer is affiliated with Froedtert & the Medical College of Wisconsin, holding positions as Stewardship and Medical Director at Froedtert
40+
Years in Practice
Credentials
Board Certifications
- Internal Medicine (AOA)
- Infectious Disease (AOA)
Education & Training
- Medical School: Michigan State University College of Osteopathic Medicine (DO, 1985)
- Residency: Botsford General Hospital (Internal Medicine, 1989)
- Fellowship: Medical College of Wisconsin Affiliated Hospitals (Infectious Disease, 1991)
Peer Recognition
2026
- Healthgrades — Healthgrades Honor Roll
- Milwaukee Magazine — Top Doc
Clinical Focus
Subspecialties
Clinical Infectious Disease
Conditions & Treatments
Sepsis & Critical CareHepatitis BHepatitis CAntimicrobial StewardshipHIV/AIDSTuberculosisTravel Medicine
Practice Details
Hospital Affiliations
- Community Memorial Hospital
- Waukesha Memorial Hospital
- Froedtert & the Medical College of Wisconsin
- Aurora Health
Languages
English
Experience
40+ years in practice