NPI age
11 years
Enumerated 2014-06-02
● Active
Type 1 · Individual
DR. Robert Eugene McCormack, M.D.
McCormack is 1 of 159 internal medicine providers in Marietta and 1 of 5027 in Georgia.
Primary specialty
Internal Medicine
Licensed in
GA
1 state
Status
Active
No deactivations on record
Last NPPES update
2014-06-02
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 5027 active internal medicine providers in Georgia.
NPI age
11 years
↓ 7 yr below median (18 yr)
State licenses
1 state
10% of peers hold multiple states
Subspecialties
0
32% of peers hold subspecialties
NPI lifetime · 2014 → 2026
2014-06Enumerated in NPPES
2014
2026
Where they practice
Practice location
544 Pine Valley Rd Se
Marietta, GA 300674828
Mailing address
544 Pine Valley Rd Se
Marietta, GA 300674828
Specialties
-
Internal Medicine PrimaryA 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,...
Practice context
Solo or small practice. No other active providers share this practice address in NPPES. This provider is listed as a sole proprietor.
Recently enumerated nearby: 1 new internal medicine provider has been added in Marietta in the last 180 days.
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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.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.