Joseph S.
Dillon
MD

DillonJ
Endocrinologist
See Ratings and Comments
Languages
English
Professor
  • Cancer
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For Cancer related requests:
1-319-356-4200
For all other requests:
1-800-777-8442

Locations

University of Iowa Hospitals & Clinics
200 Hawkins Drive
Iowa City, IA 52242
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Related Information

Training and Education

Certifications

American Board of Internal Medicine

American Board of Internal Medicine (Endocrinology and Metabolism)

Educational Commission for Foreign Medical Graduates (ECFMG)

Royal College of Physicians of Canada (Endocrinology and Metabolism)

Royal College of Physicians of Canada (Internal Medicine)

Degrees

MD, University College, Dublin

Residencies

Internal Medicine, University of British Columbia, British Columbia, Canada

Internal Medicine, St. Vincent's Hospital, Dublin

Fellowships

Endocrine, Diabetes, Metabolism, New England Medical Center Hospitals, Boston

Physiology, University of Alabama Hospital, Birmingham, Ala.

Endocrine, Diabetes, Metabolism, McGill University, Quebec City

Cancer Department

  • Internal Medicine

Cancer Research Program

  • Program 2: Experimental Therapeutics (ET)

Cancer Membership Status

  • Associate

Program Leadership

  • Not Applicable

Cancer Member College

  • Medicine

Ratings

The number of stars is an average of all responses to provider-related questions from Press Ganey patient satisfaction surveys. Responses are measured on a scale of 1 to 5, with 5 being the best score. About our ratings.

Patient comments

Questions answered about care
July 27, 2023
Dr. Dillon really listened and I feel he understands me and cares about me.
July 22, 2023
Dr. Dillon took time to answer my questions and I left feeling confident that I was on the right track.
July 22, 2023
I would rank him higher if I could.
July 22, 2023
Listen and provide the best medial care for my illness
July 20, 2023
We moved to Iowa in 2016 because of the care I received.
July 20, 2023
Great doctors
July 12, 2023
Dr Dillon and Kimberley are so great to work with. I put my health in their hands.
July 7, 2023
Dr. Dillon is Batman!!
July 5, 2023
Dr. Joesph was excellent. Took time to explain my situation to me more than any doctor I have seen outside of Iowa Hospitals. I felt like I was in the right hands.
June 29, 2023
The best doctor and best cancer treatments
June 27, 2023
Getting scan and labs done at IRL - faster than coming to facility on Hawkins Dr.
June 27, 2023
My experience with Dr Dillon. He gave me so much info and even sent me a message with the PET scan results that was very reassuring and to continue with the plan of care that was already in place before I had my appt with him.
June 22, 2023
The professionalism of the doctor and staff!
June 20, 2023
Your people are accommodating and friendly. As well as very professional.
June 13, 2023
Doctors knowledge and compassion!!
June 13, 2023
Complete explanations.
June 11, 2023
I feel less anxious knowing that we have a plan for my treatment both now and in the future. I appreciate the quick response and posting of results on MyChart.
June 6, 2023
Dr Dillon is a wonderful caregiver in every wayfamiliar with my test results ahead of time, answers my questions, very thoroughly shared my results, discusses what implications they have for my treatment in the immediate future, addresses concerns about insurance coverage, lays out future conversations we will have as effectiveness of injections are less able to control tumor growth.
June 6, 2023
Very helpful. Spent plenty of time with me.
June 6, 2023
Dr. Dillon is amazing.
June 5, 2023
I love that I get my test results the same day. When you have cancer, it helps to ease your mind getting results at your doctor appointment.
June 4, 2023
Dr. Dillion is EXCELLENT! He has a way of making you feel like you are his only patient. I know that is very far from the truth! To me Dr. Dillon is the best doctor in his field for neuroendocrine cancer. I thank the Lord above every day that I was recommended to him!
June 4, 2023
Everyone is very friendly.
June 1, 2023
Dr. Dillon spends a great deal of time with me trying to figure out the best form of treatment. I feel that my concerns are important to him.
June 1, 2023
Very grateful we have this expertise of care so close to home!
May 31, 2023
I have gone to a lot of doctors in the last year. None of them have been able to explain what is going on with me, just that they'll see me my next visit. Dr. Dillon took his time and explained everything to me in detail. I was very happy with my visit.
May 31, 2023
The care and compassion of everyone in the hospital it truly feels like a family when you come in whether they know you personally or not.
May 30, 2023
Dr Dillon always goes to great length to make sure I understand all my treatment options, along with his recommendations and why or why not a treatment is suitable at this time. He also gives me enough time to digest changes appropriately and ask questions once I am fully aware of changes to my condition.
May 30, 2023
He took time to explain everything
May 18, 2023
Meeting Dr. Dillon. He was very patient and very comprehensive in his explanations.
May 16, 2023
Dr. Dillon was patient, compassionate and extremely comprehensive in his explanation of the test results, disease process and the potential outcomes of treatments.
May 16, 2023
Dr.Dillon took the time to listen to every question,worry,or concern I had. I left the appointment very confident that whatever may come my way, I am in very good hands.
May 16, 2023
Dr. Dillon was absolutely amazing. His entire team was a shining example of top notch health care. He listened and gave deep thoughts into what I may be experiencing and reassured me he was going to help figure out what is going on.
May 16, 2023
Dillon is the man!
May 11, 2023
I cannot express my gratitude for Dr Dillions attention and time and explanation! He's amazing!
May 9, 2023
The entire hospital has a great energy there. Everyone happy and helpful and nice! The whole experience was just awesome!
May 9, 2023
Dr Dillion is great
May 9, 2023
Dr. Dillon was very detailed and educated my husband and I able the adrenal tumor I had.
May 7, 2023
Dr. Dillon does an amazing job at asking questions and understanding my particular symptoms and experience with my disease. He explains things so thoroughly and understandably. He also teaches me new things every time I come. He is so caring and makes me feel comfortable. He also doesn't seem rushed and is totally present when he is with me.
May 7, 2023
Dr. Dillon is the best NET Specialist in the USA. He listens and is very thorough in his assessment. He truly cares about his patients. Univ of Iowa is lucky to have him! We travel 11 hours to see him. It's worth every mile of the 700 mile trip.Thank you Dr. Dillon
May 2, 2023
I feel blessed to have Dr Dillion manage my cancer.
May 2, 2023
Dr Dillon is always well prepared to evaluate my tests and answer my questions.
May 2, 2023
The best thing is how I'm seen as an individual and not as "the tumor in Exam Room 4".
April 25, 2023
Dr Dillon has excellent skills as a physician, and in addition, I always feel that he is tuned into me as a person. Never rushes.
April 25, 2023
Positively the best dr. ever. His personality, skill, nature in explaining, everything about Dr. Dillon proved him to be a man that loves what he does and a man of the highest regard.
March 27, 2023
I've been fortunate to have the team of UIHC with me for five years of my cancer journey. I have nothing but gratitude & appreciation for the professionalism, standards of excellence, and values of integrity. Honesty, respect, and commitment they bring to me throughout my journey.
March 16, 2023
Wonderful caring staff!
February 22, 2023
I wish I could give a higher score! Dr. Dillon is the most informative physician I have ever talked to! He takes the time to explain my disease and answers any questions we have.
February 22, 2023
Friendly and professional
February 20, 2023
Treatment, friendliness of Dr. Dillon & staff.
February 12, 2023
To say Dr Dillon was amazing would be an understatement!!!! Took the time to thoroughly explain cancer and options.
February 5, 2023
Dr. Dillon and his care and concern.
February 2, 2023
The expertise of Dr. Dillon.
January 31, 2023
Very good. He understand what you are asking. Takes a great deal of time thinking about his answers or the way he wants to ask something but he's a thinker.
January 31, 2023
Dr. Joseph Dillon was super excellent.
January 30, 2023
The people and the depth of their knowledge, ability to explain complex topics, their empathy and listening skills
January 29, 2023
Dr Dillion is amazing. He should spent 2hrs with me making sure I understood everything related to my diagnosis.
January 29, 2023
Both Doctors were great, I can't say enough about them and the care & time spent with me and my wife. Thank you both [name].
January 26, 2023
The employee's & all the staff were very polite and pleasant, both doctors were extremely friendly and spent a great deal of time with me. I would come back to your [...] if needed to.
January 26, 2023
Dr Dillion is the best!
January 26, 2023
Making me feel like I am important!
January 26, 2023
Seeing the friendly staff and getting to talk and consult with dr Dillion
January 22, 2023
Dr. Dillon took time with me to explain my test results and answer questions. I felt like I was h is only patient - he didn't seem rushed.
January 19, 2023
Quick registration time
January 10, 2023
Dr. Dillon was as good and better than most!
January 4, 2023
Treated with compassionate and professional care.
December 30, 2022
Dr. Dillon answered all qurstions and provided detailed information.
December 30, 2022
Outstanding physician
December 27, 2022
Dr. Dillon and his staff (nurse) are excellent.
December 22, 2022
The operation was done, and I feel great.
December 21, 2022
I was very well pleased, the doctor took time to explain.
December 21, 2022
Dr. Dillon goes way above and beyond to know and be there for his patients. I cannot praise him enough.
December 1, 2022
He is the best -
November 3, 2022
My first appointment here was in [date] 2013. My medical issues are complicated. I got answers to some of my questions this time, but I still have more questions. My husband was with me, and he helps me understand some of what I don't understand. I don't know anyone who has carcinoid cancer. I have had anxiety about all the tests I have to have, and I know that can make medical problems worse.
October 23, 2022
Dr. Dillon spent over 1 1/2 hr with me to explain my rare cancer - I had surgery [month] Quad Cities but wasn't until Dr, Dillon appt. I fell full relief of results.
October 21, 2022
Dr. is "easy going" and takes all the time needed to explain situation.
October 14, 2022
The kindness of the doctor. He didn't seem to be in a hurry.
October 14, 2022
Dr. Dillon is so knowledgeable, thorough, and patient when explaining or answering questions. I have seen several doctors since diagnosed, but now that I see Dr. Dillon, I feel confident in my care.
October 7, 2022
Provider took time to fully understand what issues all were.
October 4, 2022
All doctors, nurses, and staff are super friendly and helpful. Dr. Dillon is particularly personable and knowledgeable.
September 27, 2022
Dr. Dillon is a wonderful, empathetic, caring physician! He explains in detail and I am so fortunate to be under his care.
September 27, 2022
Dr. Dillon is always thorough, he takes the time to see what has been going on medically and mentally and is update and ready for my appointments. He always listens to my concerns and gives great feedback.
September 20, 2022
People actually listen to my needs and explain everything thoroughly even when ii am frustrated with the answers and what's going on. I can always count on my care to to tell me the truth even when I don't like the answer and truly care that I am frustrated or upset and see what they can do to help.
September 20, 2022
Dr. Dillon has been very accurate with his diagnosis. He takes the time to listen and I like that.
September 20, 2022
Extremely confident.
September 9, 2022
The doctor was very easy to talk to and was very professional.
September 8, 2022
Doctor seemed relaxed and 100% focused on me. I was quite pleased with our visit and left feeling awesome!
September 6, 2022
Dr. Dillon is amazing !!
September 6, 2022
Dr. Dillon 10 stars an outstanding, caring, doc who listens to you as a patient.
August 30, 2022
Courtesy of everyone and excellent doctors! I learned so much about my condition.
August 25, 2022
Dr. Dillon is wonderful. He was patient with all of my concerns and questions and explained my condition thoroughly.
August 25, 2022
Dr is patient and l listens
August 25, 2022
Love Dillon - he has given me 10 yrs. so far!
August 17, 2022
Dr. Dillon is fantastic!
August 5, 2022
Dr. Dillon is very caring & concerned. He explained treatment and diagnosis options completely & in an easy to understand manner.
August 5, 2022
A non -hurried attitude of Doctor and staff.
August 2, 2022
I was amazed at the time he spent. I was impressed that he wasn't pushing me and respected my questions.
August 2, 2022
Dr. Dillon has always been kind and very patient with me. I haven't always acted the best. Stress is a problem for me.
August 2, 2022
Dr. Dillon - professional excellence at all times.
July 22, 2022
The thoroughness of Dr. Dillon.
July 21, 2022
The good humor of the doctor.
July 12, 2022
I go to a lot of doctors and this is the best experience.
July 12, 2022
My team of Dr Dillon and [...] are priceless. I would not have made it this long with NET cancer without their knowledge, care, and support. I am grateful beyond words.
July 7, 2022
Always excellent care.
July 6, 2022
Doctor was very informative and explained treatment plan for me.
June 29, 2022
Everyone was so helpful and understanding! I am on a cane and they went and got me a wheelchair for my comfort! I was so appreciative!
June 23, 2022
Dr. Dillion was very informative and he didn't act hurried and took his time to explain everything then asked us if we had questions! Very pleased with him!
June 23, 2022
I've never had a doctor explain things so thoroughly. He was kind, patient & very knowledgeable.
June 16, 2022
Very knowledgeable.
June 13, 2022
How nice everyone is in the hospital .staff to Dr Dillion !!!!
June 10, 2022
Dr. Dillon takes the time to explain everything.
June 8, 2022
As soon as I started speaking to Dr. Dillon, I felt so much more optimistic about my health. He listened, explained, and demonstrated that he cared about my situation. Just exceptional!
June 2, 2022
Results! Were excellent.
May 25, 2022
Dr Dillon is very kind, patient, and listens. This was my first visit with him. Thank you.
May 19, 2022
Dr. Dillon was very informative and spent over an hour with my wife and I discussing all our questions and concerns. I was very impressed with this knowledge.
May 19, 2022
Felt very much at ease.
May 16, 2022
I was very impressed with Dr. Dillon and the time he spent with us and the information he provided.
May 12, 2022
I have never had a Dr. Be so attentive to what I say and explain my cancer and the plan for treatment so clearly. I really feel that I am in the best hands.
May 12, 2022
Drs Dillon and Chandrasekharan are consummate professionals and we feel very well cared for by them.
May 5, 2022
Dr. Dillon was amazing
May 3, 2022
The doctors CARE and work hard to make the experience as smooth as possible & GET THINGS DONE!
April 22, 2022
The amount of time, expertise, and sincere care that Dr. Dillon shared with me while I was there.
April 19, 2022
Dr. Dillon far exceeded my expectations. He very thoughtfully and thoroughly collected my history. He explained my disease and treatment options thoroughly and understandably. He was generous with the time he spent with me; I felt like he really cared about me and my disease. He also sent a great message (with assessment and paths forward) after my visit about some test results that came in after my visit. I feel the utmost confidence in him. I didn't feel like a number. I felt like a human being whom he sincerely wanted to help.
April 19, 2022
Outstanding!
April 19, 2022
The doctor was fabulous.
April 12, 2022
The amount of time Dr. DILLON spent with me explaining everything to me.
April 12, 2022
I trust Dr. Dillon and team 100%.
April 4, 2022
The best thing is that Dr. Dillon and all of your staff took the time and showed genuine care for me. Thank you.
March 30, 2022
*Dr. Dillon was excellent. He spent time exploring my condition and answering my questions for myself, my children and my grandchildren (genetic condition.) He reviewed all the bloodwork results with me also. And he gave me a copy of updated information regarding my diagnosis. Thank you *Dr. Dillon.
March 30, 2022
Dr. Dillon is a very knowledgeable & caring doctor. I trust his judgment. But communication with his office is extremely hard. I did discuss this with him at my office visit.
March 28, 2022
Being able to see a very well educated dr. was *Dr. Dillon.
March 22, 2022
Dr. Dillon took his time at explaining everything and he made sure you understood everything and ask you several times if you understood. Went over everything in detail.
March 22, 2022
Dr Dillon is wonderful. He took time to answer every one of my questions. I am impressed by his knowledge and how much he cares about his patients
March 15, 2022
It takes a while before I receive all the blood tumor marker test results (sometimes weeks), or at least it seems like weeks. Discussion about treatment options will be at my next appointment. My doctor is very knowledgeable. I have several medical issues, so coordinating with all my doctors is difficult for me.
March 11, 2022
I'm sorry that my visits will be only on on a yearly basis now....I have the utmost confidence in Dr. Dillon and will miss my 6 month visits
March 9, 2022
Dr. was thorough and provided visual graphics - wrote out words & gave excellent explanations.
February 20, 2022
Friendly, caring people, [...] CONSISTENTY for 5 years I have been a patient.
February 13, 2022
Very good.
February 11, 2022
Very knowledgeable about my cancer -
February 10, 2022
Everyone understood about my cancer, I did not feel like I was getting the run around -
February 10, 2022
Outstanding education/explanations.
February 9, 2022
Professionalism, physician knowledge.
February 9, 2022
Excellent overall.
February 5, 2022
It truly feels like everyone there cares about me.
February 2, 2022
Doctors knowledge
February 2, 2022
The friendly attitude - of all the nurses & doctors -
January 27, 2022
Your greatest asset is your people.
January 19, 2022
Dr Dillon exceeded my expectations in every way. I will absolutely and without hesitation make the 8 hour drive to see him again, if need be, and will recommend him to others in need of care.
January 19, 2022
You don't have to wait for test results. Dr. Dillon is able to give me results during my appointment.
January 4, 2022
Dr. Dillon is excellent! He always makes you feel like "you" are his only patient. He is excellent at what he does. Since I have a need for a rare cancer dr. I am very blessed & lucky I have Dr. Dillon handling make case.
January 4, 2022
It was efficient, positive, no-nonsense, and felt thorough.
January 2, 2022
I'm very comfortable talking with Dr. Dillon.
December 23, 2021
Dr Dillon was very very thorough explaining the different treatments for my cancer. We were very impressed with him.
December 18, 2021
Dr. Dillon was kind and gave great explanations and took time to answer all questions in great detail. The only thing I didn't like was being scheduled for a high-radiation scan before ever seeing my care provider about why such a scan was necessary
December 13, 2021
Doctor took time with me yet was on schedule.
December 6, 2021
Discussed possible future treatments and reasons to choose each and timing of each.
December 6, 2021
Excellent care
December 6, 2021
The kindness and understanding of my doctor and staff.
December 2, 2021
I travel from RI to see *Dr. Dillon and his concerned expertise. I'm satisfied with his care and treatments.
November 30, 2021
Dr. Dillon was amazing and spent a lot of time explaining/speaking with me. Great experience.
November 29, 2021
I felt I was given the extraordinary opportunity to attend a piece of Medical School, when I met with Dr. Dillon!I don't think I have ever had such a thorough explanation and review of my PET scans, and what the health status of the Neuroendocrine tumors Is.A most enlightening, Informative Health consultation from an excellent physician, who took all the time needed to be with me.
November 13, 2021
Friendliness and Professionalism
November 12, 2021
Didn't drop the ball
November 10, 2021
*Dr. Dillon spent a long time with me and my husband explaining my condition and options. We never felt rushed as the patient for his time. He was excellent!
November 8, 2021
Great detail with answers
November 2, 2021
*Dr. Dillon took time and care with us. *Doctor Dillon even got my daughter a heated blanket and wrapped it around her as she rested on exam table.
November 2, 2021
I feel very lucky to be working with Dr. Dillon.
November 2, 2021
My treatment
October 31, 2021
[...] Dr. Dillon sat in front of me & looking at me & addressing all my issues. I was impressed how he sat in front of me & looking at me. He was so courteous & polite, he showed so much concern for my health. [...]
October 31, 2021
No follow up treatment was needed.
October 27, 2021
The time the doctor spent with me informing me about my condition.
October 27, 2021
*Dr. Dillon struck me as being very competent, experienced, and caring. it was our first visit, and he spent a relatively long time getting to know me & my case. He had a number of positive suggestions.
October 26, 2021
Dr Dillon explains everything great a d a seer all questions throughly.
October 26, 2021
Dr. Dillon reviewed my labs and CT Scan thoroughly with me and my husband. He also discussed at length the normal progression of my type of cancer and treatment plan for the future. I am very very happy with the care that I receive from Dr. Dillon and the staff of the UI Cancer Center. We drive 5 1/2 he for the expertise care and guidance with treatment of neuroendocrine carcinoma, and it's worth the peace of mind knowing that Dr. Dillon is one of the best snd cares.
October 20, 2021
Saved my life
October 19, 2021
I liked Dr. Dillon
October 12, 2021
Answered questions and we agreed on treatment plan going forward
October 12, 2021
Dr. Dillon is the best doctor I have ever had. He is thorough, unhurried, listens, and answers all questions. He treats me as an equal, is kind, friendly, and he has a wonderful sense of humor. I give him an A+++
August 3, 2021
Dr. Dillon was amazing!
July 29, 2021
Dr. Dillion is a caring compassionate doctor. Especially appreciated a follow-up phone call later in the evening about a medical issue not related to the reason for the visit that had been detected through tests run while at UIH
July 13, 2021
Meeting and discussing my care with Dr. Dillon
July 6, 2021
First meeting with Dr. Dillon. I like him a lot. Have a lot of confidence in him. We really worked out a plan going forward. He followed up on our discussions quickly, within 2 or 3 days
July 6, 2021
Dr Dillon is the best!!
July 6, 2021
Dr cared very much
July 3, 2021
Dr. Cared very much and it showed
July 3, 2021