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Ruby C. Alonzo, MD
Specialty  Obstetrics/Gynecology Alonzo_R.jpg
Practice Name  Calvert OB/Gyn Associates of Southern Maryland
Address  Calvert Medical Office Building
100 Hospital Road, Suite 211
Prince Frederick, MD 20678
Phone  (410) 535-5610
Fax  (410) 535-6836
Phone 2  (301) 855-1228
Medical School  University of Santo Thomas, 1971
Internship  Mercy Catholic Medical Center, 1973
Residency  Mercy Catholic Mecical Center, 1977; Memorial University of Newfoundland, 1981
Board Certification  Obstetrics/Gynecology
Status  Active

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Calvert Quality

30 Minute ER Pledge
WiFi Zone
Joint Commission Excellence Accreditation Award Delmarva Foundation Award for Quality Excellence