Loading Complete
Thomas P. Whelan

Thomas P. Whelan, MD

Gastroenterology

Accepting New Patients
Online Booking
Telehealth Visits

Highlights

Age Groups Seen

  • Adult 18-65
  • Older Adult >65

Languages

  • English

Gender

Male

Hospital Affiliations

  • Nuvance Health - Danbury Hospital

About Thomas P. Whelan

Professional Statement

Dr. Whelan is board certified as a Gastroenterologist by the American Board of Internal Medicine. He has been practicing in the Danbury area for more than 30 years. His approach to patient care is such that he treats not only the disease, but the patient as well by providing insight for the patient into their illness. Appropriate communication is of the utmost importance to him.  Dr. Whelan was named a 2023 Top Doc by Castle Connolly.

Get To Know Me

Why should someone choose you to care for their health?
I am a competent and caring physician with over 30 years of experience

What is the most important thing your patients should expect from their professional relationship with you? What do you expect from them?
My patients should expect a comprehensive evaluation and an individualized plan of care.

How do you spend your valuable personal time when you’re not caring for patients?
I enjoy spending time with family and friends. I also enjoy exercise-related activities regularly.

Why did you choose your specialty and what is its greatest reward?
Intellectually stimulating and the ability to do procedures as well as office visits. I can meet a lot of terrific people and make a difference in patients lives.

Expertise

Education

  • Internship: Thomas Jefferson University Hospital, 1993
  • Fellowship: Temple University Hospital, Gastroenterology, 1988
  • Residency: Thomas Jefferson University Hospital, Internal Medicine, 1986

Board Certifications

  • Gastroenterology: American Board of Internal Medicine
  • Internal Medicine: American Board of Internal Medicine

Locations

  1. Nuvance Health Medical Practice - Gastroenterology Danbury
  2. Nuvance Health Medical Practice - Gastroenterology Ridgefield
    • 901 Ethan Allen Highway, Suite 110, Ridgefield, CT 06877
    • Get Directions
Need help scheduling? Call 203-739-7038

Insurance

Search plans
  • Aetna
  • Anthem BlueCross Blue Shield Connecticut
  • Centivo
  • Cigna
  • ConnectiCare
  • Consumer Health Network
  • Coventry-Aetna
  • Medicaid Connecticut
  • Medicare Connecticut
  • Multiplan Inc
  • Northwell Direct
  • Oxford Health Plans
  • Tricare Humana Military
  • United Healthcare
  • US Family Health Plan
  • Wellcare

Ratings & Reviews

4.9 out of 5

244 ratings, 11 reviews

Provider star ratings are calculated using patient responses to the provider care questions in our patient experience survey. Below you can see the provider’s star rating and the number of his or her patients who have provided feedback. Ratings depicted represent those clinicians that have at least 30 completed surveys on a rolling 12 month basis.

Search reviews
    5 out of 5 stars
    Reviewed on 12/31/2025

    Always sends enough time to explain everything with. He makes sure all my meds are doing what they are supposed to do and that I am comfortable with them.

    5 out of 5 stars
    Reviewed on 12/10/2025

    Dr.Whalen is the most thorough doctor, explains things in detail and makes sure you understand. I cannot say enough nice things about him, his professionalism and, yes, his great sense of humor! Number #1 in my book!

    5 out of 5 stars
    Reviewed on 12/1/2025

    He took the time to explain answers to my questions, and he is very knowledgeable as well as affable.

    5 out of 5 stars
    Reviewed on 7/25/2025

    He always pleasant concerned.

    5 out of 5 stars
    Reviewed on 7/15/2025

    Dr Whelan was caring and an excellent doctor-I highly recommend him

    5 out of 5 stars
    Reviewed on 7/3/2025

    The best

    5 out of 5 stars
    Reviewed on 6/30/2025

    He listens!

    5 out of 5 stars
    Reviewed on 6/14/2025

    Dr. Whelan is easy to discuss issues with. He has a great “bedside” manner.

    5 out of 5 stars
    Reviewed on 6/6/2025

    He is a very knowledgeable and caring physician. I would recommend him highly to anyone who might need his services.

    5 out of 5 stars
    Reviewed on 3/29/2025

    Doctor Whelan is such a great GI Doctor and so are his employee’s.

    5 out of 5 stars
    Reviewed on 3/28/2025

    Excellent care from Dr. Whelan and his staff….listens and takes time to address every question and concern.