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Ralph E. DiLisio, MD
Practice accepting new patients.

Ralph E. DiLisio, MD

(707) 526-3500
Primary Specialties
  • Internal Medicine
    (Board Certified)
  • Pulmonology
    (Board Certified)
Medical Groups & Affiliations
  • St. Joseph Health Medical Group

Primary Office

St. Joseph Health Medical Group
585 W. College Ave.
Suite A
Santa Rosa, CA 95401
(707) 526-3500
(707) 573-8342
Web Page:

Secondary Office

(707) 781-7231
(707) 781-7364
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Physician Bio

Dr. DiLisio is board certified in internal medicine and pulmonary disease. Dr. DiLisio has been in practice for over 34 years and specializes in the diagnosis and treatment of lung conditions and diseases. He is currently the Medical Director of Critical Care Medicine and Respiratory Care at Santa Rosa Memorial Hospital and Petaluma Valley Hospital. Dr. DiLisio is fluent in italian and likes to travel and visit with his two sons and granddaughter.


  • College:
    Wayne State University - Detroit, MI
  • Medical School:
    Wayne State University School of Medicine - Detroit, MI
  • Internship:
    University of Cincinnati Medical Center - Cinncinati, OH
  • Residency:
    University of Cincinnati Medical Center - Cinncinati, OH
  • Residency:
    University of Cincinnati Medical Center - Cinncinati, OH
  • Fellowship:
    University of Cincinnati Medical Center - Cinncinati, OH
  • Board Certified in Internal Medicine
  • Board Certified in Pulmonology


  • American Medical Association


Dr. DiLisio is a member of the following professional organizations and societies:
California Thoracic Society
Michigan Thoracic Society
Archdiocese of Medical Ethics Committee
Wayne State University Medical Alumni Association

Areas of Expertise

Dr. DiLisio specializes in Critical Care and Pulmonary Medicine.


Money Magazine - "Top Doc" - 2004 Hour Magazine - "Top Doc" - 1989 Instructor of the Year, St. John Hospital, 1989, 1993 Health Science Scholarship, Harper Woods Rotary Club, 1975

Areas of Interest

  • Critical Care Medicine

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