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Mario N. Montalbo, MD

Staff Physician

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Greendale Health Center

(414) 423-0555




  • Internal Medicine

Board Certification

  • Internal Medicine

Hospital Affiliations

  • Froedtert Hospital

Patient Ages Seen

  • Adult
  • Senior

Languages Spoken

  • English

Diseases & Conditions

  • Health Maintenance and Prevention

Treatments & Services

  • Chronic Disease Management
  • Health Maintenance and Prevention

Clinic Locations

Greendale Health Center

6220 W. Loomis Rd
Greendale WI,  53129
(414) 423-0555
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As a practicing Internist since 1994, Dr. Montalbo cares for all adult patients, ranging from those in good health to those with acute and chronic illnesses. His varied experiences stem from private practice in rural Michigan to inner city services in Columbus, Ohio. Having joined Froedtert & Medical College of Wisconsin in 2003, he has now included teaching students and residents as an additional duty and interest. His main objective will always be to provide quality care for all his patients. Dr. Montalbo's services are provided through his practice at the Greendale Health Center.

Education / Training

  • Doctor of Medicine - University of Pittsburgh School of Medicine - PA (1991)
  • Internship in Internal Medicine - St. Joseph Mercy Hospital - Ann Arbor, MI (1991-1992)
  • Residency in Internal Medicine - St. Joseph Mercy Hospital - Ann Arbor, MI (1992-1994)