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Thomas C Gniadek, MD

Endocrinology, Diabetes & Metabolism, Endocrinology, Internal Medicine

Provider Groups

  • Trinity Health Of New England Medical Group

  • Trinity Health Of New England Care Alliance

Primary Contact

203-755-7711
Provider Groups
  • Trinity Health Of New England Medical Group

  • Trinity Health Of New England Care Alliance

Primary Contact
203-755-7711

Services & Specialties

Areas of Specialization

  • Endocrinology
  • Endocrinology, Diabetes & Metabolism
  • Internal Medicine

Clinical Interests

Conditions Treated

  • Endocrinology, Diabetes & Metabolism
  • Diabetes
  • Diabetes and Endocrinology

Locations & Contact

Primary Location

Trinity Health Of New England Medical Group

166 Waterbury Rd
Ste 202
Prospect , CT 06712

Additional Resources

Education & Certifications

Education

Education:
Fairfield University (1972)

Education:
University of Connecticut (1976)

Internship:
Saint Mary's Hospital (1977)

Residency:
Saint Mary's Hospital (1979)

Fellowship:
University of Michigan Hospitals & Health Centers (1981)

Board Certifications

Endocrinology, Diabetes & Metabolism, Endocrinology, Diabetes & Metabolism, American Board of Internal Medicine Subspecialty (1981)

Endocrinology, Diabetes & Metabolism, Endocrinology, Diabetes and Metabolism, American Board of Internal Medicine Subspecialty (1981)

Internal Medicine, Internal Medicine, American Board of (1979)

Provider Groups

Trinity Health Of New England Medical Group

Trinity Health Of New England Care Alliance

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

(311 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.

92 Reviews

01/23/2025

Excellent

01/22/2025

Dr, Gniadek is a true professional in every sense of the way. He is number ONE!!!

01/21/2025

All is good

01/16/2025

Dr Gnaidek

01/16/2025

The best!

01/16/2025

Goes above n beyond on spending time explaining things

01/15/2025

I can't say enough good things about Dr. Gniadek. He is truly wonderful

01/14/2025

I trust that he will do what's best for me.

01/08/2025

Dr. Gniadek is excellent and super knowledgeable.

01/08/2025

Excellence in listening, caring. And following through. He not only answers my questions, but educates his patients.

01/07/2025

Spent a lot of time with me to explain what was going on

01/07/2025

Do not know what I would do if it was not for Dr, Gniadek he is the best!!!

12/19/2024

Not happy about having to find a new primary physician due to Trinity’s decision.

12/19/2024

Great! Very Pleased..

12/19/2024

Very good, I feel I receive very good care from them wouldn't change a thing.

12/17/2024

He answers all my questions

12/05/2024

I trust him with my life. I feel, in many ways, that he has saved my life just by taking that extra step & have me had tests which, indeed, saved me. (as far as I am concerned)

12/03/2024

I appreciate the overall care and most of all commitment to patient care

11/12/2024

Caring, compassionate, professional at all times

11/07/2024

Treatment was immeadiate made recommendations

11/06/2024

Great Diagnostic Physician

11/06/2024

Dr Ginadak listens and explains everything very well he makes sure u have proper information on how to take your medication

10/23/2024

Full staff is wonderful

10/15/2024

Dr Gniadek is the best, don’t loose him. I think he’s the smartest person I have ever met!

10/15/2024

Always most helpful, and caring.

10/10/2024

Excellent experience

10/09/2024

Doc G, is always friendly,, and knowledgeable.. trust him fully!!!

10/08/2024

Dr.Gniadek is one of the most competent doctors I have ever met. He is also deeply compassionate.

10/03/2024

Dr Gniadek is a very caring professional and spends a lot of time explaining medications to me etc.

10/02/2024

Dr Gniadek always explains things in a manner I can understand.

10/02/2024

Dr. Thomas Gniadek is a wonderful physician. I enjoy being a patient and I hope he never retires!

09/26/2024

Always professional and listened to my remarks.

09/24/2024

Dr Gniadek is excellent

09/24/2024

Dr. Gniadek is a dedicated, compassionate, astute doctor. He is exceptionally smart.

09/19/2024

The best

09/17/2024

Keep up the Good Work! Thank you!

09/12/2024

Fantastic !!!!

09/11/2024

You are blessed to have Dr. Gniadek on your staff, as well as I am.

09/03/2024

Very good

08/21/2024

I have been a patient of Dr. Gniadek for many years and he has always listened to my concerns and took his time with me.

08/20/2024

Excellent experience

08/15/2024

Already stated

08/15/2024

The Last 2 sets of questions were repetitious of the earlier questions, and as I have already said, Dr. Gnaidek is the best

08/13/2024

Same outstanding care provider for his patient who he has seen, addressing all and any issue regarding overall health as the patient advances with Alzheimer's. The care is precise, genuine and empathetic.

08/06/2024

He's kind, considerate & a genius. His "genius" saved my life twice over the many yrs. I have gone to him. He's on top of things for sure!!

08/06/2024

The best

07/25/2024

Dr Gniadek is the best would recommend him to everyone

07/25/2024

Great!!!

07/24/2024

Dr. Gniadek Is the best he is super knowledgeable and takes the time to explain so you fully understand any questions you may have he is excellent in what he does

07/17/2024

Excellent

07/10/2024

Dr. Gniadek always has an answer for anything I ask him. I can never imagine having to see anyone else.

07/10/2024

Dr. Gniadek is a very good Dr.

07/09/2024

Dr. Gniadek spends the time necessary with me and explains things very well 😊

07/09/2024

I've been with Dr. Gniadek for about 40 years. I have always found him to be kind, professional, well versed in many areas and an excellent doctor.

07/09/2024

Dr G is the best

06/18/2024

Dr. Gniadek is a wonderful doctor

06/13/2024

I trust Dr.Gniadek completely, more than any other doctor I have had in the past.

06/12/2024

Always concerned and is on top of new procedures for my diabetes

06/11/2024

Dr. Gniadek always provides quality health care. I’ve been with this practice for many years as a result of his care and his excellent staff.

06/11/2024

Dr. Gniadek understands and always handles my visit with respect and help.

06/05/2024

He answered all my questions and concerns

06/05/2024

Excellent md-you lose him there are very few left as ingtelligent as Dr Gniadek

06/04/2024

Great doctor.

05/30/2024

Always listens

05/23/2024

He’s so caring and very down to earth and explaining everything so you know and feel comfortable with all testing and everything else

05/15/2024

I have the greatest confidence is Dr. Gniadek's care.

05/09/2024

Have been going to this provider for years and he also treated my husband. He is awesome!

05/02/2024

Superior as always

04/30/2024

took very good care of me

04/24/2024

very professional

04/24/2024

All Great

04/24/2024

nice

04/23/2024

Good

04/17/2024

Simply excellent

04/16/2024

Outstanding!

04/16/2024

Everyone from this office takes their jobs seriously and always acts professional and courteous.

04/11/2024

Very positive

04/10/2024

Dr. Gniadek is GREAT!

04/09/2024

Thank you Dr. Gniadek and Team for the exceptional care you provided to me!

04/02/2024

Dr. Gnaidek honestly listens to patients. When I have an appointment with him, I always feel heard and respected. He is one on the most compassionate physicians I have ever known.

03/26/2024

No issues

03/26/2024

Great!

03/21/2024

Waited one hour before seen

03/20/2024

Always gives me the time and help that I need

03/14/2024

Dr. Gniadek is a very careing doctor. I am very comfortable with him because he listens and explains everything to me

03/13/2024

Professional and caring.

03/07/2024

Always listens to my health questions and provides results.

03/07/2024

Dr. Ganiadek is very thorough and the staff is excellent

03/07/2024

Always patient , knowledgeable and explains in detail all information, recommendations ect

03/06/2024

There is no one better. Thank you for caring about us and giving me such good health care that you actually saved me from going through cancer. That’s amazing! Thank you

02/29/2024

Dedicated, very knowledgeable.

02/22/2024

I am satisfied with Dr. Gnaidek as my primary physician.
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