NPI age
19 years
Enumerated 2006-09-06
● Active
Type 1 · Individual
Mark I Ellen, M.D.
Ellen is 1 of 105 physical medicine & rehabilitation providers in Atlanta and 1 of 489 in Georgia.
Primary specialty
Physical Medicine & Rehabilitation
Plus 6 subspecialties
Licensed in
FL, NJ, PA, NC, CA, GA
6 states
Status
Active
No deactivations on record
Last NPPES update
2020-05-18
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 489 active physical medicine & rehabilitation providers in Georgia.
NPI age
19 years
↑ 5 yr above median (14 yr)
State licenses
6 states
Top 87% — 12% of peers are multi-state
Subspecialties
1
In the 31% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-09Enumerated in NPPES
2006
2026
Where they practice
Practice location
2108 Alexander Cir Ne
Atlanta, GA 303261246
Mailing address
10435 Se 170th Pl
Summerfield, FL 344918998
Specialties
-
Physical Medicine & Rehabilitation PrimaryPhysical medicine and rehabilitation, also referred to as rehabilitation medicine, is the medical specialty concerned with diagnosing, evaluating, and treating patients with physical disabilities. These disabilities may arise from...
-
Physical Medicine & RehabilitationA physician who specializes in Sports Medicine is responsible for continuous care related to the enhancement of health and fitness as well as the prevention of injury and illness. The specialist possesses knowledge and experience in the...
Practice context
Solo or small practice. No other active providers share this practice address in NPPES. This provider is listed as a sole proprietor.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
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