Kanthimathi Jegathesan, MD
Internal Medicine Physician · Waterbury, CT
Kanthimathi Jegathesan, MD is an internal medicine physician with a practice address in Waterbury, Connecticut, and NPI 1023112034, issued on Sep 11, 2006. Check the license (Connecticut 026217, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Kanthimathi Jegathesan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 026217 CT
Self-reported in NPPES; status is on the state search - Practice location
- 2271 East Main Street, Waterbury, CT 06705
- Phone
- (203) 753-4131
- Enumerated
- Sep 11, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (203) 753-6887
- Medicaid ID
- 001262170 CT
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 2271 East Main Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kanagaratnam Jegathesan, MDInternal Medicine Physician1497859409
Verify Kanthimathi Jegathesan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 026217Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
20 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $49.16
2 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Kanthimathi Jegathesan among 2,623 internal medicine physician records in Connecticut
Kanthimathi Jegathesan, MD is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 52% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2007 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
119 internal medicine physician records list a practice address in Waterbury
They are 119 of the 3,148 NPPES records with a practice address in Waterbury, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Waterbury → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Edmund Caporaso, MDWaterbury, CT 067051285623538
- Kanagaratnam Jegathesan, MDWaterbury, CT 067051497859409
- Diane Kim, MDWaterbury, CT 067051598150716
- Vidya Loganathan, M.D.Waterbury, CT 067051780782953
- Philip Mongelluzzo, M.D.Waterbury, CT 067051871563247
- Edmund Quinn, MDWaterbury, CT 067051306851720
- Donald Rosenthal, MDWaterbury, CT 067051063435170
- Bechoi Saleib, M.D.Waterbury, CT 067051275828261
Common questions
What is Kanthimathi Jegathesan, MD's NPI number?
Kanthimathi Jegathesan, MD's National Provider Identifier (NPI) is 1023112034, issued on Sep 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kanthimathi Jegathesan, MD located?
The NPPES record lists a practice address at 2271 East Main Street, Waterbury, CT, 06705. Phone: (203) 753-4131. Providers update this record themselves, so call before visiting.
How can I verify Kanthimathi Jegathesan, MD's license?
NPPES lists Connecticut license number 026217, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kanthimathi Jegathesan, MD prescribe under Medicare Part D?
In 2024, Kanthimathi Jegathesan, MD had 20 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.