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

Kartik K Viswanathan, MD

Individual provider Internal Medicine Physician · NPI 1629150974

Kartik K Viswanathan, MD is an Internal Medicine in Norwich, Connecticut. Qualified in 1991, 35 years ago. Practices with Western Mass Physician Associates Inc, a 71-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Connecticut.

Years since qualifying
35
Licensed in
CT
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

326 Washington St
Norwich, CT 06360-2740
Phone: (860) 889-8331
Fax: (860) 892-6926
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 035789 (CT)

Record details

NPI number1629150974
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 19, 2006
Last updated in NPPESDecember 21, 2018

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Group practice Western Mass Physician Associates Inc — 71 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Norwich