Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Gautham Viswanathan, MD

Individual provider Internal Medicine Physician · NPI 1427194257

Gautham Viswanathan, MD is a Nephrology in Atlanta, Georgia. Qualified in 1998, 28 years ago. Practices with Piedmont Nephrology and Internal Medicine, LLC, a 4-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Georgia and Indiana.

Years since qualifying
28
Licensed in
GA, IN
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

35 Collier Rd NW Ste 610
Atlanta, GA 30309-1613
Phone: (404) 355-7375
Fax: (404) 350-9781
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 71645 (GA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 01059360A (IN)

Record details

NPI number1427194257
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 29, 2007
Last updated in NPPESOctober 29, 2014
Mailing address35 Collier Rd Nw, Ste 610, Atlanta, GA 30309-1613

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNEPHROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1998 (28 years in practice)
Group practice Piedmont Nephrology And Internal Medicine, Llc — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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