NPI age
13 years
Enumerated 2013-03-21
● Active
Type 1 · Individual
Alexander A Lemmer, M.D.
Lemmer is 1 of 7 internal medicine providers in Atlanta and 1 of 7 in Georgia.
Primary specialty
Internal Medicine
Plus 4 subspecialties
Licensed in
GA, IL
2 states
Status
Active
No deactivations on record
Last NPPES update
2020-07-24
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 7 active internal medicine providers in Georgia.
NPI age
13 years
↓ 2 yr below median (15 yr)
State licenses
2 states
Top 42% — 57% of peers are multi-state
Subspecialties
3
In the 85% of peers with subspecialties
NPI lifetime · 2013 → 2026
2013-03Enumerated in NPPES
2013
2026
Where they practice
Practice location
1968 Peachtree Rd Nw Bldg 77, 5th Flr
Atlanta, GA 303091281
Mailing address
201 E Huron, Galter 3-150
Chicago, IL 60611
Additional practice locations
1 secondary location on file with NPPES.
Location 2
420 E Superior St, Rubloff Building, 12th Floor
Chicago, IL 606114494
Specialties
-
Internal Medicine PrimaryAn internist with special knowledge and the skill required of a gastroenterologist to care for patients prior to and following hepatic transplantation that spans all phases of liver transplantation. Selection of appropriate recipients...
-
Internal MedicineA physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
-
Internal MedicineAn internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and...
-
Internal MedicineThe discipline of Hepatology encompasses the structure, function, and diseases of the liver and biliary tract. The American Board of Internal Medicine considers Hepatology part of the subspecialty of gastroenterology. Physicians who...
Practice context
Solo or small practice. No other active providers share this practice address in NPPES.
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