IndividualActive
Charles Johnson, M.D.
NPI 1821129651 · Internal Medicine Physician · Atlanta, GA
Charles Johnson, M.D. is a Internal Medicine Physician provider in Atlanta, GA (NPI 1821129651).
Provider details
- NPI number
- 1821129651
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 010204 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 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
3193 Howell Mill Rd Nw
Suite 306
Atlanta, GA 30327-2119
Phone: (404) 351-7816
Fax: (404) 355-3322
Street-level locationGet directions
Mailing address
3378 Valley Cir Nw
Atlanta, GA 30305-1114
Registry dates
- Enumerated
- 2007-03-07
- Last updated
- 2023-03-07
Frequently asked questions
- What is Charles Johnson's NPI number?
- Charles Johnson's National Provider Identifier (NPI) is 1821129651, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Johnson's specialty?
- Charles Johnson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Johnson located?
- Charles Johnson's practice location on file with NPPES is 3193 Howell Mill Rd Nw, Atlanta, GA 30327-2119.
- What is Charles Johnson's phone number?
- The practice phone number listed in the NPPES registry for Charles Johnson is (404) 351-7816.
- Is Charles Johnson's NPI active?
- Yes — Charles Johnson's NPI (1821129651) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.