What is Kartik Viswanathan's specialty?

Kartik Viswanathan (NPI 1629150974) is a Medicare-billing provider whose primary specialty is Internal Medicine in Norwich, CT.

Where does Kartik Viswanathan practice?

Kartik Viswanathan practices in Norwich, CT, based on the location reported in the CMS Medicare provider datasets for NPI 1629150974.

How much does Medicare pay Kartik Viswanathan?

Kartik Viswanathan (NPI 1629150974) received approximately $30K in total Medicare Part B payments, serving 283 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1629150974

Kartik ViswanathanMD

PRACTICEWILLIAM W BACKUS HOSPITALSee all providers at this practice →

Internal MedicineNorwich, CTI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

579

Unique beneficiaries

—

Total services

720

Distinct HCPCS

Medicare payment

$27K

Peer benchmark

Total Medicare services vs. 1,650 Internal Medicine providers in CT — above median (cohort median 549).

PRESCRIBING · PART D · 2024

Total Rx claims

4,386

Beneficiaries

—

Total drug cost

$323K

Distinct drugs

Brand share

19.9%

Top prescribed drugs

Atorvastatin Calcium260 claims

Lisinopril256 claims

Omeprazole209 claims

Amlodipine Besylate185 claims

Gabapentin185 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$20

Payment records

By payment type

Food and Beverage$20

Top paying entities

Food and Beverage$20

REFERRAL NETWORK

Where Kartik Viswanathan's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 8 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Llc Clinical Laboratory · Wallingford, CT	136	378
THE WILLIAM W BACKUS HOSPITAL	127	513
Sarah Robertson Nurse Practitioner · Norwich, CT	36	93
DALAL, AJAY	23	48
HARTFORD HEALTHCARE AT HOME, INC	22	46
LAWRENCE AND MEMORIAL HOSPITAL, INC.	20	39
Justin Routhier Diagnostic Radiology · Boston, MA	15	27
Ting Li Cardiology · Norwich, CT	11	24

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events