NPI age
20 years
Enumerated 2005-06-14
● Active
Type 1 · Individual
DR. Robert David Jansen, M.D.
Jansen is 1 of 19 internal medicine providers in Marietta and 1 of 562 in Georgia.
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
GA
1 state
Status
Active
No deactivations on record
Last NPPES update
2012-12-10
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
20 years
≈ at median (19 yr)
State licenses
1 state
18% of peers hold multiple states
Subspecialties
1
In the 35% of peers with subspecialties
NPI lifetime · 2005 → 2026
2005-06Enumerated in NPPES
2005
2026
Where they practice
Practice location
55 Whitcher St Ne, Ste 460
Marietta, GA 300601171
Mailing address
55 Whitcher St Ne, Ste 460
Marietta, GA 300601171
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.
-
SpecialistAn individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (GA) | 000332857U | |
| 05 (GA) | 000332857D | |
| 05 (GA) | 00332857A | |
| 05 (GA) | 000332857AC | |
| 05 (GA) | 000332857P | |
| 05 (GA) | 000332857Q | |
| 05 (GA) | 000332857V | |
| 05 (GA) | 000332857E | |
| 05 (GA) | 000332857H |
Practice context
Part of a multi-provider practice. 178 other active providers share this practice address in NPPES.
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- 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.
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