Dr. Samuel A. Johnson, M.D., is a double board-certified nephrologist who sees patients at our Woodstock office. He practices with Georgia Kidney Associates. Certified in Internal Medicine, Nephrology, and Interventional Nephrology (ASDIN), he completed his medical degree at Temple University, followed by his residency and nephrology fellowship at Emory University. He specializes in interventional nephrology, renal parenchymal volume, and complex kidney disease.
Dr. Samuel A. Johnson, M.D., is a double board-certified nephrologist who sees patients at our Woodstock office. He practices with Georgia Kidney Associates. Certified in Internal Medicine, Nephrology, and Interventional Nephrology (ASDIN), he completed his medical degree at Temple University, followed by his residency and nephrology fellowship at Emory University. He specializes in interventional nephrology, renal parenchymal volume, and complex kidney disease.
The reviews listed below were collected independently of Georgia Kidney Associates through rater8. Each review represents an authentic and verified patient experience.
Dr. Sam Johnson is a caring and brilliant doctor. Treats patients with great care and concern. I highly recommend Dr. Johnson!
Rated 5 out of 5 stars
(1 week ago)
Nov-2026
Very good communicator.
Rated 5 out of 5 stars
(1 week ago)
Nov-2026
Great physician Makes you feel at ease. Explains your test results and the best ways to help with the issues. Very professional
Rated 5 out of 5 stars
(1 week ago)
Oct-2026
Dr. Samuel Johnson is truly an exceptional physician and, more importantly, an extraordinary person. He has the best bedside manner I have ever experienced. His genuine compassion, kindness, and sincere concern for his patients are evident in every interaction. You never feel like just another patient or a number; he makes you feel heard, valued, and genuinely cared for.
What makes the experience even more impressive is that his entire office and staff reflect the same level of kindness, professionalism, and compassion. It is clear that his leadership sets the tone for the entire team.
Doctors like him are truly special. I cannot recommend him highly enough!
Rated 5 out of 5 stars
(1 week ago)
Oct-2026
Dr. Johnson is always so kind and truly cares for his patients! He takes the time to listen and make a plan for the patient.
Rated 5 out of 5 stars
(1 week ago)
Oct-2026
Great Doctor!!
Rated 5 out of 5 stars
(1 week ago)
Oct-2026
I’ve been seeing Dr. Johnson 20+ years. He’s very knowledgeable, professional but also kind, understanding and takes his time to explain things in layman’s terminology. I highly recommend him to anyone with kidney issues. He is definitely the best in his medical field.
Rated 5 out of 5 stars
(2 weeks ago)
Oct-2026
Personable, reassuring and knowledgeable. Definitely would recommend!
Rated 5 out of 5 stars
(2 weeks ago)
Oct-2026
Explained test results. Offered remedy to help with kidney function and blood issues. Guess urine sample warranted a Rx. I’ll give it a go and better next lab results. Dr Johnson always willing to
answer questions. He’s mild mannered and makes a person feel at ease
Rated 5 out of 5 stars
(1 month ago)
Oct-2026
H is excellent
Rated 5 out of 5 stars
(1 month ago)
Oct-2026
Woodstock
120 Stonebridge Parkway Suite #410 Woodstock, GA 30189
Dr. Samuel A. Johnson, M.D., is a physician who works at Georgia Kidney Associates.
Education Emory University, Atlanta, GA - BS Biology; May 1998. Majors: Biology, B.S. Cumulative GPA: 3.6/4.0 -Temple University School of Medicine, Philadelphia, PA MD Degree; May 2002 -Emory University, Atlanta, GA Department of Medicine Internal Medicine Resident; 07/01/2002-06/30/2005 -Emory University, Atlanta, GA Department of Medicine Nephrology Fellow; 08/01/2005-06/01/2007
Professional Qualifications ABIM Certification Internal Medicine; 2005-2015 ABIM Certification Nephrology; 2007 ASDIN Certification in Interventional Nephrology; 2008
Honors/Awards Dean’s List, Emory University Undergraduate Biology Honor Society, Emory University Undergraduate
Scientific Publications/Publications -American Society of Nephrology Philadelphia, PA; 2002; San Diego, CA 2007 -Johnson S. Rishi R. And one A, Khawandi W, Al-Said J, Gletsu-Miller N, Lin E, Baumgarten DA, O’Neill C. Determinants & Functional Significance of Renal Parenchymal Volume in Adults. Clin J Am Soc Nephrol 6:70-76, 2011.
Dr. Sam Johnson is a caring and brilliant doctor. Treats patients with great care and concern. I highly recommend Dr. Johnson!
Very good communicator.
Great physician Makes you feel at ease. Explains your test results and the best ways to help with the issues. Very professional
Dr. Samuel Johnson is truly an exceptional physician and, more importantly, an extraordinary person. He has the best bedside manner I have ever experienced. His genuine compassion, kindness, and sincere concern for his patients are evident in every interaction. You never feel like just another patient or a number; he makes you feel heard, valued, and genuinely cared for. What makes the experience even more impressive is that his entire office and staff reflect the same level of kindness, professionalism, and compassion. It is clear that his leadership sets the tone for the entire team. Doctors like him are truly special. I cannot recommend him highly enough!
Dr. Johnson is always so kind and truly cares for his patients! He takes the time to listen and make a plan for the patient.
Great Doctor!!
I’ve been seeing Dr. Johnson 20+ years. He’s very knowledgeable, professional but also kind, understanding and takes his time to explain things in layman’s terminology. I highly recommend him to anyone with kidney issues. He is definitely the best in his medical field.
Personable, reassuring and knowledgeable. Definitely would recommend!
Explained test results. Offered remedy to help with kidney function and blood issues. Guess urine sample warranted a Rx. I’ll give it a go and better next lab results. Dr Johnson always willing to answer questions. He’s mild mannered and makes a person feel at ease
H is excellent