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
Dr. Michigan is the newest addition to UAS having arrived in September, 2016
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

Ruth Ann Mazo, MD (retired 12/31/2022)
Medical Doctorate: University of Miami Miller School of Medicine, Miami, FL
Residency (Urology): New Jersey Medical School, Newark, NJ
Board Certified (Urology): Since 2010

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

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 Academy of Physician Assistants Member, 2016 to present
American Academy of Physician Assistants Member, 2002 to Present

Tulsi B. Patel, PA-C
South University Physician Assistant Program, Savannah, GA - Masters of Physician Assistant Studies, 2020
Armstrong State University, Savannah, GA - Bachelor of Science in Biology, 2016
Georgia Association of Physician Assistants Member, 2018 to present
American Academy of Physician Assistants Member, 2018 to present

Christie Phillips-Fearis, MSN, FNP-C
Master of Science in Nursing, Family Practice Nurse Practitioner, Kentucky Christian University, Grayson, Kentucky, 2017
American Academy of Nurse Practitioners Member, 2017 to present
Master of Science in Nursing Education, Kaplan University, Chicago, Illinois
Bachelor of Science in Nursing, Morehead State University, Morehead, Kentucky

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