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Thomas Callahan, DO

Languages:

English

Specialties:

Pediatrics
Patient Rating
4.9 / 5 (129 Reviews)

Thomas Callahan, DO, is a pediatrician at Medical Associates Clinic in Dubuque, Iowa. Dr. Callahan offers complete care for children from birth through age 18, including the diagnosis and treatment of acute and chronic illness. Along with his partners, he provides pediatric care for children admitted to the General Pediatric Unit.

Dr. Callahan completed his Bachelor of Science degree at Saint Ambrose University in 2003 and attended medical school at Des Moines University, where he graduated in 2007. After medical school, Dr. Callahan went on to complete his residency and served as Chief Resident at Blank Children's Hospital in Des Moines, Iowa. 

During his time at Medical Associates, Dr. Callahan has held numerous leadership positions, including Pediatric Chair at Mercy Hospital (2010 - 2016), President of the Mercy Hospital Executive Committee (2016 - 2018), the Medical Associates Board of Directors (2020 - 2024), and on the Hills and Dales Board of Directors (2016 - 2024). Outside of work, he enjoys spending time with his wife and 6 children.

Pediatrics Department

Locations

Credentials

Medical School

Des Moines University - Osteopathic Medical Center - 2007

Residency

Pediatrics, Blank Childrens Hospital, 2007 - 2010

Hospital Affiliations

  • MercyOne Dubuque Medical Center
    •

    Ratings and Reviews

    Distribution

    5
    26 Comments
    4
    0 Comments
    3
    0 Comments
    2
    0 Comments
    1
    0 Comments

    Question Rating Breakdown

    0.0
    "Seen By Provider In Timely Manner"
    4.9
    "Provider gave enough information "
    4.9
    "Provider Listened"
    0.0
    "Trust Provider With Care"
    0.0
    "Provider Knew Medical History"
    0.0
    "Knew what to do if questions"
    4.9
    "Provider Would Recommend"
    4.9
    "Providers Courtesy and Respect"

    What Patients Are Saying

    5 Stars
    February 02, 2026
    "Great visit. Love how he took the time to talk to my son vs just talking to me. Always knowledgeable. Fantastic beside manner."
    5 Stars
    January 14, 2026
    "Tom Callahan has been."
    5 Stars
    January 02, 2026
    "This was a great visit where all my questions were answered and I didn't feel rushed at all."
    5 Stars
    December 22, 2025
    "Lynn is the best nurse."
    5 Stars
    November 18, 2025
    "Dr. Tom Callahan is a wonderful physician who takes the time to fully assess the child and make them feel comfortable. Even with the strep test, they answer the questions that my son needed and the nurse took her time with [REDACTED]. We would definitely recommend him to anyone and have seen him as well as other physicians for the last decade and couldn't ask for any better care from these providers."
    5 Stars
    November 17, 2025
    "Dr Callahan genuinely cares about his patients. My mind is at ease knowing he is there if we need him. He gives great advice and is straight forward which is much appreciated. One of the two doctors I would definitely drive the extra miles to have my son seen."
    5 Stars
    November 06, 2025
    "We brought up an issue our child was experiencing and Dr. Callahan was extremely thorough and didn't brush off our concerns."
    5 Stars
    October 22, 2025
    "Always excellent, top-notch treatment from all the staff. There's a reason we drive over an hour for medical care."
    5 Stars
    October 20, 2025
    "Dr. Callahan and Nurse Lynn were so helpful and kind during our visit. Helpful information and great with my child."
    5 Stars
    October 10, 2025
    "Dr. Tom Callahan and Nurse Lynn are an amazing team and I always know my kids are in great hands and I can ask questions any time. They treat my kids with kindness and patience."
    5 Stars
    September 22, 2025
    "My children are my greatest blessing in life. I'm beyond grateful to have a doctor for them who always listens to my concerns, no matter how small, and always takes the time to explain the diagnosis, treatment, labs, etc."
    5 Stars
    September 16, 2025
    "Tom and Lynn went above and beyond to have our child seen in a timely manner. They understood the concerns we had and didn't take it lightly. Our child was seen and a thorough plan was put into place. We cannot thank them enough for helping our child."
    5 Stars
    September 04, 2025
    "In addition to the welcome staff and the provider, I would like to say that Dr. Callahan's nurse, Lynn, is wonderful. Every time I call, she's always helpful. Any questions I have, she's always able to either answer them or get the answer for me. So please note that Lynn, Dr. Callahan's nurse, needs a high score."
    5 Stars
    September 04, 2025
    "We are so glad to have Dr Callahan! He was thorough, but efficient. He is kind and incredible with the kids. Highly recommend! His nurse, Lynn, is amazing too - so great with the kids and so flexible and understanding."
    5 Stars
    August 12, 2025
    "I always appreciate how concerned and helpful Dr. Callahan and Nurse Lynn are when we visit with sick kiddos. They always ensure all questions are covered and the visit never feels rushed."
    5 Stars
    August 11, 2025
    "Nurse Lynn [REDACTED] needs a raise. She takes care of all our kids and does an amazing job. Dr. Tom Callahan is a good doctor. He also needs a raise."
    5 Stars
    July 23, 2025
    "Dr. Tom Callahan and his nurse Sarah are always wonderful!"
    5 Stars
    July 22, 2025
    "Dr. T Callahan and Lynn are amazing. We are so grateful to have them care for our kids since they were babies."
    5 Stars
    July 09, 2025
    "Dr. Callahan is the best!"
    5 Stars
    July 09, 2025
    "Dr Tom Callahan explained everything and answered all my questions. Exceptional doctor"
    5 Stars
    June 16, 2025
    "Dr. Callahan is always so patient and kind with our children. He has wonderful first hand experience as a practitioner as well as a father himself. We always feel we'll take care of when visiting Dr. Callahan!"
    5 Stars
    June 05, 2025
    "Dr Callahan is the very best!"
    5 Stars
    June 03, 2025
    "Dr. Tom Callahan is the best pediatrician in Dubuque. He is compassionate, thoughtful and takes time to listen and explain things to his patients and their families. We recommend him to everyone who is moving to the area or expecting a child."
    5 Stars
    March 28, 2025
    "Dr. Callahan did a great job with the kids- answered all of our questions, and was very helpful. We are lucky to have him as our doctor."
    5 Stars
    March 28, 2025
    "Dr. Callahan is awesome with the kids, super helpful, and very informative."
    5 Stars
    March 18, 2025
    "Love Dr Callahan and nurse Lynn! They are the best!!!!!!"
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