NPI age
19 years
Enumerated 2007-04-20
● Active
Type 1 · Individual
DR. Samuel Andrew Johnson, MD
Johnson is 1 of 19 internal medicine providers in Marietta and 1 of 562 in Georgia.
Primary specialty
Internal Medicine
Licensed in
GA
1 state
Status
Active
No deactivations on record
Last NPPES update
2019-08-01
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 562 active internal medicine providers in Georgia.
NPI age
19 years
≈ at median (19 yr)
State licenses
1 state
18% of peers hold multiple states
Subspecialties
0
35% of peers hold subspecialties
NPI lifetime · 2007 → 2026
2007-04Enumerated in NPPES
2007
2026
Where they practice
Practice location
55 Whitcher St Ne, Suite 460
Marietta, GA 300601155
Mailing address
55 Whitcher Street, Suite 460
Marietta, GA 300601155
Specialties
-
Internal Medicine PrimaryAn internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (GA) | 003123548D | |
| 05 (GA) | 003123548G | |
| 05 (GA) | 003123548J | |
| 05 (GA) | 003123548F | |
| 05 (GA) | 003123548H | |
| 05 (GA) | 003123548I | |
| 05 (GA) | 003123548U | |
| 05 (GA) | 003123548V | |
| 01 (GA) | 54909 | MD |
| 05 (GA) | 003123548E | |
| 05 (GA) | 003123548O | |
| 05 (GA) | 003123548P | |
| 05 (GA) | 003123548K | |
| 05 (GA) | 003123548M | |
| 05 (GA) | 003123548B | |
| 05 (GA) | 003123548C | |
| 05 (GA) | 003123548S | |
| 05 (GA) | 003123548L | |
| 05 (GA) | 003123548R | |
| 05 (GA) | 003123548T | |
| 01 (SC) | 29879 | MEDICAL LICENSE |
| 05 (GA) | 003123548N | |
| 05 (GA) | 003123548Q |
Practice context
Part of a multi-provider practice. 178 other active providers share this practice address in NPPES.
Provyx · Custom healthcare lists
Need all 562 Internal Medicine providers in Georgia?
Get the full list as a CSV with verified work emails, direct phones, and LinkedIn URLs.
Request a quote →How to verify this provider
- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.