Thomas J. Van Osdol, MD

Allergy, Asthma & Immunology

183 Ratings
Years in Practice: 19 years
Practices In: Glen Ellyn, Naperville, Plainfield
Patients Seen: All Ages

I con­sid­er it an hon­or to be a trust­ed health­care provider, per­son­al­ly I see it as a priv­i­lege to care for the patients in our com­mu­ni­ties. I strive to ensure every patient receives the same qual­i­ty of care which I have come to expect for my own family.

Next Available Appointments
Have you seen a Duly Allergist before?

within the last three (3) years

Board Certifications
Pediatrics, Allergy, Asthma & Immunology
Awards & Accolades
Phi Beta Kappa 1999
Clinical Interests

Eval­u­a­tion and man­age­ment of chil­dren and adults with per­sis­tent asth­ma, Atopic der­mati­tis, Chron­ic cough, Recur­rent infections

American Academy of Allergy, Asthma, and Immunology American Board of Pediatrics
Advocate Good Samaritan Hospital
3815 Highland Avenue Downers Grove, Illinois 60515 630-275-2700 Get Directions
Edward Hospital
801 S. Washington St. Naperville, Illinois 60540 630-527-3000 Get Directions
Northwestern Medicine Central DuPage Hospital
25 North Winfield Road Winfield, Illinois 60190 630-933-1600 Get Directions
University of Wisconsin School of Medicine and Public Health Graduation Date: 1999 Degree: MD
Phoenix Children's Hospital Resident in General Pediatrics
University of Missouri-Kansas City Allergy, Asthma & Immunology


Asthma and Allergy Testing, Patch Testing, Spirometry


Chronic Cough, Eczema, Food Allergy, Primary Immunodeficiency Syndromes, Recurrent Infections, Urticaria


Ratings Category

The Patient Satisfaction Rating score is an average of all responses to care provider related questions on our independent rating system, the Press Ganey Patient Satisfaction Survey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Learn more about our patient satisfaction survey.

Patient Satisfaction Rating

183 Ratings

Ease of scheduling appointments

182 Ratings

Provider showed concern

178 Ratings

Provider explained things clearly

181 Ratings

Provider included you in decisions

177 Ratings

Likelihood of recommending this provider

175 Ratings


Comments are collected in our Press Ganey Patient Satisfaction Surveys. Patients are de-identified to protect confidentiality and patient privacy. Learn more about our patient satisfaction survey.
"The Doctor was well and gave me a good way to get off a bad side effect from another prescript."
May. 26, 2021
"Dr Van Osten always listens attentively to my concerns and addresses them thoroughly. He has always been spot on in giving me great advice and diagnosis. Thank you!"
May. 19, 2021
"Dr. Van Osdol gave me his full attention and concern."
May. 19, 2021
"Dr. was great"
May. 13, 2021
"Dr Osdol listens carefully and is always helpful and concerned. I always feel like my concerns and issues will be thoughtfully taken care of."
Apr. 29, 2021
"My experience was excellent. The doctor is an excellent professional and the nurse too. I'm very satisfy with the services."
Apr. 29, 2021
"Not only was the the doctor professional but showed me how to access a nebulizer machine online. He responded to all of my questions in a kind and gave me his full attention."
Apr. 29, 2021
"The doctor himself was very informative and positive."
Apr. 21, 2021
"great experience"
Apr. 14, 2021
"Dr Vonosdol was very invested in helping me"
Mar. 31, 2021
"Dr. Van Osdol is the best with pediatric patients. I have had multiple children see him. He gets to the root of the problem and asks your opinion and talks to the kids about them (and what they are doing for the weekend). He makes them feel comfortable while treating their issues. He is simply amazing at what he does."
Mar. 25, 2021
"Dr. Van Osdol is very professional and also very friendly. He took the time to talk without seeming to be in a rush to see other patients. He's an excellent provider."
Mar. 24, 2021
"Dr. Van Osdal was very courteous , patient and caring about my condition. He was very informative and answered all my questions ."
Mar. 15, 2021
"Very good experience. Thorough doctor with excellent bedside manner. Never felt rushed."
Mar. 5, 2021
Mar. 3, 2021
"always helpful and includes me in decisions"
Mar. 3, 2021
"Dr. Van Osdol is the best! Very focused, knowledgeable, and shows compassion for the patient."
Feb. 23, 2021
"dr vanosdel is excellent! he is so personable, knowledgeable, caring. and goes above and beyond to make the biggest difference in my care!"
Feb. 19, 2021
"Dr. Thomas van osdl is a good at explaning things"
Feb. 19, 2021
"I had an excellent dialogue with the doctor, during which he shared studies related to my condition and answered question and discussed options and next steps."
Feb. 10, 2021
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