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

(233 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.

32 Reviews

10/29/2026

Long time patient of Dr Jega. Wouldn't ever consider changing PCP.

10/27/2026

Appreciate kindness, understanding, thoughtfulness, and high level of expertise and professionalism.

10/22/2026

Been with Dr Jega for years and trust him with my care

10/20/2026

He is the best doctor, I have going to him for years

10/19/2026

Appreciate the extra care and clarity of conditions for my father Spent time and understood all questions presented Wish we had more doctors like Dr Jega!

10/19/2026

He listens and tries to find a way to help you

10/15/2026

Always the best doctor and Kerri is the best medical ass’t.

10/08/2026

My husband is very sick , Dr Jega has called me weekly to check on not only my husband but also to ask me about myself and my health . He is a true professional and has and continues to go above and beyond to care for his patients in every possible way

09/29/2026

Very caring doctor.

09/24/2026

He always explains things to me that I might not understand.

09/23/2026

Dr Jega is an excellent doctor.

09/21/2026

Never feel pressed.

09/17/2026

He’s a doctor who is kind and understanding!

09/16/2026

Love dr jega

09/01/2026

Am glad to have dr jega as my physician. Hope he stays on for a long time

08/31/2026

Dr Jega provides good medical care

08/27/2026

I am a longtime patient of Dr. Jega. He is thorough, compassionate, listens, takes time to explain things. He is the gold standard of medical care.

08/20/2026

top shelf. also mentioning Kerri J who is support staff and very good/excellent

08/20/2026

I am very grateful to have this person as my primary doctor!

08/20/2026

He was excellent also his staff

08/20/2026

caring doctor

08/20/2026

Excellent visit. Excellent Doctor and staff

08/06/2026

Dr. Jega is kind and very knowledgeable.

08/03/2026

I hope Dr. Jega will continue for many years. He is an awesome doctor!

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.
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