Gary P. Barnas, MD

Associate Professor


  • Zablocki VA Medical Center
  • 5000 West National Avenue
  • Milwaukee, WI 53295-1000


  • Travel Medicine
  • Internal Medicine


Diseases and Conditions

  • Diabetes
  • High Blood Pressure
  • Lipid Disorders

Treatments and Services

  • Health Maintenance and Prevention
  • Primary Care

Patients Ages Seen

  • Adult
  • Senior


  • English

Hospital Affiliations

  • Zablocki VA Medical Center – Milwaukee

Board Certifications

  • Internal Medicine

Clinic Locations

Zablocki VA Medical Center

map of clinics' locations


Dr. Barnas has a special interest in the care of diabetes, hypertension, and lipid disorders. He has a strong interest in preventive medicine and cancer screening. He is a leader in the area of medical informatics and clinical information systems. He also is an expert in travel medicine and vaccinations.

Education and Training

Doctor of Medicine - Northwestern University Medical School - Chicago, IL (1980)
Fellowship in Primary Care Faculty Development - Michigan State University - East Lansing, MI (1988-1989)
Residency in Internal Medicine - University of Wisconsin - Madison, WI (1980-1983)