NPI age
19 years
Enumerated 2007-01-29
● Active
Type 1 · Individual
Gautham Viswanathan, M.D.
Viswanathan is 1 of 120 internal medicine providers in Atlanta and 1 of 562 in Georgia.
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
GA, IN
2 states
Status
Active
No deactivations on record
Last NPPES update
2014-10-29
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
19 years
≈ at median (19 yr)
State licenses
2 states
Top 81% — 18% of peers are multi-state
Subspecialties
1
In the 35% of peers with subspecialties
NPI lifetime · 2007 → 2026
2007-01Enumerated in NPPES
2007
2026
Where they practice
Practice location
35 Collier Rd Nw, Ste 610
Atlanta, GA 303091613
Mailing address
35 Collier Rd Nw, Ste 610
Atlanta, GA 303091613
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.
-
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,...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (GA) | 71645 | MEDICAL LICENSE |
| 01 (IN) | 01059360A | MEDICAL LICENSE |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 133 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 →
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