Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Gregory B Knowlton, MD

Individual provider Nephrology Physician · NPI 1366522690

Gregory B Knowlton, MD is a Nephrology Physician in Atlanta, Georgia. Practices as a sole proprietor. Licensed in Georgia.

Licensed in
GA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

5671 Peachtree Dunwoody Rd NE Ste 500
Atlanta, GA 30342-5000
Phone: (404) 855-7030
Fax: (678) 843-6619
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 018037 (GA)

Record details

NPI number1366522690
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 17, 2006
Last updated in NPPESJanuary 7, 2016

Other providers in Atlanta