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Gary P. Barnas, MD

Gary P. Barnas, MD

Associate Professor

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Zablocki VA Medical Center

(414) 384-2000  ext. 42110




  • Internal Medicine
  • Travel Medicine

Board Certification

  • Internal Medicine

Hospital Affiliations

  • Zablocki VA Medical Center

Patient Ages Seen

  • Adult
  • Senior

Languages Spoken

  • English

Diseases & Conditions

  • Diabetes
  • High Blood Pressure
  • Lipid Disorders

Treatments & Services

  • Health Maintenance and Prevention
  • Primary Care

Clinic Locations

Zablocki VA Medical Center

5000 West National Avenue
Milwaukee WI,  53295-1000
Phone:(414) 384-2000
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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 / Training
  • Fellowship in Primary Care Faculty Development - Michigan State University - East Lansing (1988-1989)
  • Doctor of Medicine - Northwestern University Medical School - Chicago, IL (1980)
  • Residency in Internal Medicine - University of Wisconsin - Madison (1980-1983)
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