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Gregory Knowlton, M.D.
NPI 1366522690 · Nephrology Physician · Atlanta, GA
Gregory Knowlton, M.D. is a Nephrology Physician provider in Atlanta, GA (NPI 1366522690).
Provider details
- NPI number
- 1366522690
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 018037 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
5671 Peachtree Dunwoody Rd Ne
Suite 500
Atlanta, GA 30342-5000
Phone: (404) 855-7030
Fax: (678) 843-6619
Street-level locationGet directions
Mailing address
5671 Peachtree Dunwoody Rd Ne
Atlanta, GA 30342-5000
Registry dates
- Enumerated
- 2006-10-17
- Last updated
- 2016-01-07
Frequently asked questions
- What is Gregory Knowlton's NPI number?
- Gregory Knowlton's National Provider Identifier (NPI) is 1366522690, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Knowlton's specialty?
- Gregory Knowlton is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Knowlton located?
- Gregory Knowlton's practice location on file with NPPES is 5671 Peachtree Dunwoody Rd Ne, Atlanta, GA 30342-5000.
- What is Gregory Knowlton's phone number?
- The practice phone number listed in the NPPES registry for Gregory Knowlton is (404) 855-7030.
- Is Gregory Knowlton's NPI active?
- Yes — Gregory Knowlton's NPI (1366522690) is active in the NPPES registry as of the last update on 2016-01-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.