Call us 912-790-4000
Attention All Medicare Patients - Effective 01/01/2026, Urological Associates of Savannah, PC will no longer be accepting Humana Medicare Advantage Plan insurance coverage. Please consider this when selecting your 2026 coverage during the Medicare Open Enrollment event October 15 through December 7, 2025.
ABOUT US
Our Mission
To be the most respected provider of urological services in the medical community offering the highest quality care possible through state-of-the-art facilities and instrumentation.
Buffi G. Boyd, MD
​
Dr. Boyd has been in private practice in Savannah since 2004.
Medical Doctorate: Medical College of Georgia, Augusta, GA
Internship (General Surgery): Medical College of Georgia, Augusta, GA
Residency (Urology): Medical College of Georgia, Augusta, GA
​Board Certified (Urology): Since 2006
​​
Meet the Team
David L. Cheng, MD
​
Dr. Cheng has been in private practice in Savannah since 1994.
​Medical Doctorate: Cornell University Medical College, New York, NY
Internship: Mount Sinai Hospital, New York, NY
Residency (General Surgery): Mount Sinai Hospital, New York, NY
Residency (Urology): Mount Sinai Hospital, New York, NY
​Board Certified (Urology): Since 1997
​​
Michael J. Cox, MD
​
Dr. Cox has been in private practice in Savannah since 2010.
​Medical Doctorate: Jefferson Medical College, Philadelphia, PA
Internship: Barnes-Jewish Hospital, St. Louis, MO
Residency (Urology): Barnes-Jewish Hospital, St. Louis, MO
​Board Certified (Urology): Since 2012
Andrew Michigan, MD
​
​​Medical Doctorate: Emory University School of Medicine, Atlanta, GA
Internship: Emory University Hospital, Atlanta, GA
Residency (Urology): Emory University Hospital, Atlanta, GA
Board Certified (Urology): Since 2018
Thomas E. Shook, MD
​
Medical Doctorate: University of North Carolina at Chapel Hill, Chapel Hill, NC
Internship (General Surgery): University of Kentucky Medical Center, Lexington, KY
Residency (Urology): Medical University of South Carolina, Charleston, SC
​Board Certified (Urology): Since 1992
Natalie Swavely MD
​
Medical Doctorate: Medical College of Georgia at Georgia Reagents University/University of Georgia Medical Partnership, Athens, GA
Residency (Urology): Virginia Commonwealth University, Richmond, VA
HOURS & LOCATION
Location
230 E. DeRenne Avenue
Savannah, GA 31405
Tel: 912-790-4000
Fax: 912-352-9031
Hours
Monday - Friday
8:00 am to 5:00 pm
Saturday and Sunday
Closed
​
James Liu, MD
​
Medical Doctorate: Tulane University School of Medicine, New Orleans, LA
Internship (General Surgery): Johns Hopkins Hospital, Baltimore, MD
Residency (Urology): Johns Hopkins Brady Urologic Institute, Baltimore, MD
Melissa Porter, PA-C
​
South University Physician Assistant Program, Savannah, GA - Masters of Physician Assistant Studies, 2009
​Lynchburg College, Lynchburg, VA - Bachelor of Science in Biomedical Science, 2007
Georgia Association of Physician Assistants Member, 2007 to present
American Academy of Physician Assistants Member, 2007 to present
Whitney Rintleman, PA-C
​
Chatham College Physician Assistant Program, Pittsburgh, PA - Masters of Physician Assistant Studies, 2002
Susquehanna University, Selinsgrove, PA - Bachelor of Science in Biology, 2000
Georgia Association cademy of Physician Assistants Member, 2016 to present
American Academy of Physician Assistants Member, 2002 to Present
Lindsay N. Miller, PA-C
Medical University of South Carolina Physician Assistant Program, Charleston, SC - Masters of Physician Assistant Studies, 2018
University of Georgia, Athens, GA - Bachelor of Science in Health Promotion, 2016
Georgia Association of Physician Assistants Member 2021 to present
American Academy of Physician Assistants Member, 2017 to present​