Doctor profile · Federal record

Dr. Kanagaratnam Jegathesan, MD

Internal Medicine Physician (CMS: Internal Medicine) · Pulmonary Disease Physician · Waterbury, CT

  • NPI 1497859409
  • Accepts Medicare
  • 64 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2271 East Main Street
Waterbury, CT 06705
(203) 753-4131
fax (203) 753-6887

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
March 8, 2023
Year of graduation
1962 — 64 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Connecticut #17004 · Connecticut #170040
Medicaid
CT #001170042

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497859409. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
972
Distinct HCPCS
10
Medicare allowed
$109,183
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 412 200 $134
99213 Established patient office or other outpatient visit, 20-29 minutes 122 84 $94
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 92 92 $136
G0008 Administration of influenza virus vaccine 75 75 $33
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 73 73 $76
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 64 61 $187
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 62 34 $41
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 25 25 $15
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 12 12 $283
G0009 Administration of pneumococcal vaccine 12 12 $33

In context: peer comparison

Among 34 peers in Waterbury Internal Medicine Physician, average services per provider: 87. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$562
Transactions
25
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 3 $76.71
Exact Sciences Corporation 2 $61.86
GlaxoSmithKline, LLC. 3 $61.21
Mylan Specialty L.P. 3 $56.62
Astellas Pharma US INC 2 $54.50
Boehringer Ingelheim Pharmaceuticals, INC. 3 $53.53
Abbvie INC. 2 $47.87
E.R. Squibb & Sons, L.L.C. 2 $39.40
Bayer Healthcare Pharmaceuticals INC. 1 $34.10
Novo Nordisk INC 2 $33.20
Amgen INC. 1 $22.78
Takeda Pharmaceuticals U.S.A., INC. 1 $20.18

By nature of payment

Food and Beverage
$562

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,986
Patients
959
Total drug cost
$59,560
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 542 137 $8,233
Levothyroxine Sodium Generic 336 74 $5,364
Trazodone Hcl Generic 332 53 $4,069
Amlodipine Besylate Generic 307 73 $2,812
Furosemide Generic 270 66 $1,851
Pantoprazole Sodium Generic 261 65 $3,769
Tamsulosin Hcl Generic 234 52 $4,968
Metoprolol Succinate Generic 224 61 $4,410
Losartan Potassium Generic 222 54 $3,727
Simvastatin Generic 217 64 $2,169

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kanagaratnam Jegathesan's medical specialty?
Dr. Kanagaratnam Jegathesan practices Internal Medicine Physician in Waterbury, CT.
Where does Dr. Kanagaratnam Jegathesan practice?
Dr. Kanagaratnam Jegathesan practices at 2271 East Main Street, Waterbury, CT 06705. Office phone: 2037534131.
What is Dr. Kanagaratnam Jegathesan's NPI?
Dr. Kanagaratnam Jegathesan's National Provider Identifier (NPI) is 1497859409, issued by NPPES.
Does Dr. Kanagaratnam Jegathesan accept Medicare assignment?
Yes. Dr. Kanagaratnam Jegathesan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kanagaratnam Jegathesan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.