NPI age
20 years
Enumerated 2005-12-05
● Active
Type 1 · Individual
DR. Mark Louis Merlin, MD
Merlin is 1 of 9 radiology providers in Decatur and 1 of 220 in Georgia.
Primary specialty
Radiology
Plus 1 subspecialty
Licensed in
GA
1 state
Status
Active
No deactivations on record
Last NPPES update
2015-11-03
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 220 active radiology providers in Georgia.
NPI age
20 years
≈ at median (19 yr)
State licenses
1 state
25% of peers hold multiple states
Subspecialties
1
In the 42% of peers with subspecialties
NPI lifetime · 2005 → 2026
2005-12Enumerated in NPPES
2005
2026
Where they practice
Practice location
2349 Lawrenceville Hwy
Decatur, GA 300333143
Mailing address
Po Box 116470
Atlanta, GA 303686470
Specialties
-
Radiology PrimaryA radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
-
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) | 165022770C |
Practice context
Part of a multi-provider practice. 5 other active providers share this practice address in NPPES.
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