Marshall Johnson, AA-C
NPI 1720429962 · Anesthesiologist Assistant · Atlanta, GA
Enrolled with Medicare as Practitioner - Anesthesiology Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1720429962
- Entity type
- Individual
- Primary specialty
- Anesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- AA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 6923 (GA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
5 documented practice locations
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
Mailing address
Additional practice locations (4)
- 8954 Hospital DrDouglasville, GA 30134-2272Phone: (770) 794-0477Fax: (770) 794-3108
- 146 Bill Carruth PkwyHiram, GA 30141-3749Phone: (770) 794-0477Fax: (770) 794-3108
- 2540 Windy Hill Rd SeMarietta, GA 30067-8605Phone: (770) 794-0477Fax: (770) 794-3108
- 677 Church St NeMarietta, GA 30060-1101Phone: (770) 793-5000
Registry dates
- Enumerated
- 2013-07-16
- Last updated
- 2023-11-14
- Certified
- 2023-11-14
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.