Kanagaratnam Jegathesan

Kanagaratnam Jegathesan, MD

Internal Medicine, Pulmonary & Critical Care Medicine, Pulmonary Disease

Provider Groups

  • Trinity Health Of New England Care Alliance

  • Trinity Health Of New England Medical Group

Primary Contact

203-709-4001
Accepting New Patients
Provider Groups
  • Trinity Health Of New England Care Alliance

  • Trinity Health Of New England Medical Group

Primary Contact
203-709-4001

Services & Specialties

Areas of Specialization

  • Internal Medicine
  • Pulmonary & Critical Care Medicine
  • Pulmonary Disease

Clinical Interests

Conditions Treated

  • Internal Medicine

Locations & Contact

Primary Location

East End Primary Care and Multi Specialty

3801 E Main St
2nd Fl
Waterbury, CT 06705

View hours
Monday
8:00am - 4:30pm
Tuesday
8:00am - 4:30pm
Wednesday
8:00am - 4:30pm
Thursday
8:00am - 4:30pm
Friday
8:00am - 4:30pm
East End Primary Care and Multi Specialty

Additional Resources

Education & Certifications

Education

Education:
St. John's College, Ceylon

Education:
University of Ceylon,Peradeniya (1973)

Residency:
Saint Mary's Hospital (Internal Medicine) (1975)

Fellowship:
Saint Mary's Hospital (Pulmonary Disease) (1977)

Board Certifications

Pulmonary Disease, American Board of Internal Medicine Subspecialty Pulmonary Disease (1980)

Internal Medicine, American Board of Internal Medicine (1976)

American Board of Internal Medicine Subspecialty Pulmonary Disease (1980)

Provider Groups

Trinity Health Of New England Care Alliance

Trinity Health Of New England Medical Group

Provider Ratings

The following ratings and reviews are based on verified feedback collected from independently administered patient experience surveys. The ratings and comments submitted by patients reflect their own views and opinions. Patient identities are withheld to ensure confidentiality and privacy. Learn More >

4.9 out of 5

(224 ratings)

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

13 Reviews

07/27/2026

Awesome

01/29/2026

Dr Jega is an awesome Primary Doctor that myself and my family has been with him for years. He's so knowledgeable and caring.

12/12/2025

Great doctor!

12/12/2025

Warm, Respectful, Gracious, and very Knowlegeable

12/12/2025

Thanks again Dr. Jega have a great holiday

12/02/2025

He is just the best.

11/25/2025

Excellent Doctor

11/18/2025

Dr Jega is and has been a patient’s delight. He leaves no stone unturned and shows great concern for your well being.

10/27/2025

It would have been better if I spent more time with him, like when he had his own practice.

10/23/2025

Extremely knowledgeable

10/16/2025

He is very thorough and explains everything !

10/07/2025

Excellent as always

08/22/2025

Dr. Jegathesan is a well respected doctor that I been going to for a long time.
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