Illinois Dermatology Institute - Oak Park Office logo

Illinois Dermatology Institute - Oak Park Office

Dermatologist · Oak Forest, IL · reviewed since 2017

How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 64%85+54Reliability 28%80+22.6Replies to reviews 8%86+7.1Experts Score= 84Not enough data for value; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.84SCORE
AGradeLetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20.
#17 of 27 dermatologistsPosition by Experts Score among all companies we track in this category. · better than 38%
4.8 ★★★★★ 702 Google reviews · 15 photos
92%five-star reviews
4.91★last 12 monthsAverage stars on reviews from the last 12 months only.
1.9%1–2★ in 2 yearsShare of 1–2★ reviews in the last 24 months — or the 20 newest reviews when the company had fewer than 20 in that time.
93%reviews answered by the owner
Oct 2026latest review

Illinois Dermatology Institute - Oak Park Office at a glance

Reviewers frequently highlight efficient scheduling, minimal wait times, and thorough, compassionate care from the clinical team. Patients often note that providers clearly explain treatment options and maintain a professional demeanor. However, recurring criticisms in lower-rated reviews involve unexpected billing discrepancies, rushed appointments, and instances of unprofessional behavior from front desk staff or technicians during intake.

  • Google rating: 4.8 out of 5 from 702 reviews (92% five-star).
  • Reviews on this page: 702 Google reviews (433 with written comments, 3 with photos).
  • Owner responses: the business replied to 93% of reviews.
  • Most recent review: October 28, 2026.
  • Service: Dermatologist serving Oak Forest, Illinois.

Data from Google, last updated October 28, 2026.

Score profile vs other dermatologists

Score per factor (100 = best)Each factor is scored 0–100 on absolute terms (star average, share of 1–2★ reviews, price verdicts…); standing within the category can only raise it, never lower it.. Strongest: momentum and replies to reviews; weakest: reliability.

Satisfaction85Reliability80Craft & service–Value–Momentum100Replies to reviews86Satisfaction: 85 (median 90)Reliability: 80 (median 86)Momentum: 100 (median 100)Replies to reviews: 86 (median 71)
This companyDermatologists median0 = centre, 100 = best
SatisfactionSatisfaction · 54% of the scoreRecency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.Illinois Dermatology Institute - Oak Park Office: 85/100 on this factor. Category median: 90.A
85
ReliabilityReliability · 24% of the scoreHow rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.Illinois Dermatology Institute - Oak Park Office: 80/100 on this factor. Category median: 86.A
80
Craft & serviceCraft & service · penalty only, up to −10 pointsGoogle review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.Not enough reviews for this factor yet. Category median: 100.–
–
ValueValue · 14% of the scoreCustomers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Not enough reviews for this factor yet. Category median: 97.–
–
MomentumMomentum · penalty only, up to −10 pointsPenalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.Illinois Dermatology Institute - Oak Park Office: 100/100 on this factor. Category median: 100.A
100
Replies to reviewsReplies to reviews · 7% of the scoreHow often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.Illinois Dermatology Institute - Oak Park Office: 86/100 on this factor. Category median: 71.A
86

Bar = this company · dark tick = category median.

Star ratings

702 Google reviews we collected

  • 5 stars64492%
  • 4 stars193%
  • 3 stars71%
  • 2 stars71%
  • 1 star254%

Praise vs complaints

Phrases our text analysis found in 433 written reviews

  • Praise62697%
  • Complaints223%

Topic share

How often each topic comes up in the written reviews

  • Staff & attitude26841%
  • Speed & response14422%
  • Quality & results9815%
  • Would recommend7712%
  • Communication447%
  • Honesty & trust132%
  • Price & value41%

What customers talk about

We read 433 written reviews and marked every phrase about these topics. The same colors are highlighted in the reviews.

  • “The nurse and doctor were friendly, knowledgeable, and efficient.”
    “were discussing the reasons for the visit and the tech was extremely unprofessional, had a grossed out look on her face, and said “ew” out loud when s…”
  • “My case was easy but she was super professional and fast”
    “I understand that unexpected delays can happen in a medical office, but the explanation given did not align with the length of the delay, especially a…”
  • “Dr Leah thoroughly explains all options so you feel confident in the treatment plan and also understand the process”
    “…thing in my life, let alone negatively, but my experience here was so horrible, I feel like I owe it to other skin-issue-sufferers to speak up:…”
  • “I would highly recommend Leah and Illinois Dermatology Institute of Oak Park.”
    “Regrettably, I cannot recommend their services until there are significant improvements in the management and decision-making processes.”
  • “O’Brian is on-time, thorough, and good at explaining the process/procedure.”
  • “Dr O’Brien is professional but very kind, thoughtful, knowledgeable, reliable and is timely with her appointments.”
  • “The staff is very friendly and knowledgeable, wait times are reasonable and the in/out time is terrific.”
    “I'd recommend going to a place that has transparent and honest pricing.”

People customers mention

  • Bressler 19 reviews
  • Regina 19 reviews
  • Leah 11 reviews
  • Obrien 10 reviews
  • Dermatologist 4 reviews

praise complaint · found by our text analysis, Google review wording unchanged.

Recent reviews

Kay1 reviewTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · Edited 6 days ago★★★★★

Kind, friendly and professional! Impressed with the Doctor and her classy assistant. Glad I can go here.

Thomas2 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 6 days ago★★★★★

I like Dr. O’ Brien, she makes me feel relaxed, and everybody that is there are great.

Dale12 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · a week ago★★★★★

I was led into the examination room at my scheduled appointment time. The nurse and doctor were friendly, knowledgeable, and efficient.. It was exactly what anyone would want in a visit with a doctor.

Denise1 reviewTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · Edited a week ago★★★★★

Dr. o’Brien has always been thorough and kind. Very professional. Highly recommend.

Pamela12 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · Edited 2 weeks ago★★★★★

I was pleased with the results of my annual exam. The staff was efficient. My appointment was on time. Highly recommend this office.

Yuri5 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 2 weeks ago★★★★★

Great experience with Dr Bressler. My case was easy but she was super professional and fast

Photos

Customer reviews

4.8 ★★★★★ 702 reviews on Google · rating breakdown

Reviews from Google, shown as published (original wording, unedited).

Team members customers mention
Filter by topic — each topic is highlighted in the reviews in the same color
Suzann Holding3 reviewsTotal number of Google reviews Suzann has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Everything handled very efficiently. Very little waiting.

Janet Leon5 reviewsTotal number of Google reviews Janet has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Not sure of the outcome yet.

Response from the owner · a day ago

Hi Janet, We appreciate you sharing your thoughts and kind remarks. It’s always encouraging to hear positive feedback. Thank you for taking the time to express your views. Regards, Illinois Dermatology Institute

Kay Middleton1 reviewTotal number of Google reviews Kay has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Kind, friendly and professional! Impressed with the Doctor and her classy assistant. Glad I can go here.

Response from the owner · 2 months ago

Hi Kay, Thank you for your positive feedback! We are thrilled to hear that you had a great experience with our doctor and assistant. We strive to provide a kind, friendly, and professional environment for all our patients. We are happy to have you as part of our practice and look forward to seeing you again in the future. Regards, Illinois Dermatology Institute

Thomas Cech2 reviewsTotal number of Google reviews Thomas has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

I like Dr. O’ Brien, she makes me feel relaxed, and everybody that is there are great.

Response from the owner · a day ago

Hi Thomas, We appreciate you sharing your thoughts and kind remarks. It’s always encouraging to hear positive feedback. Thank you for taking the time to provide your input. Regards, Illinois Dermatology Institute

Ovie Carter2 reviewsTotal number of Google reviews Ovie has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Dr. O'Brian is a lovely person and a great doctor.

Response from the owner · 4 months ago

Hi Ovie, Thank you for taking the time to share your 5-star review. We truly appreciate your positive feedback and are grateful for your support. Regards, Illinois Dermatology Institute

Katherine Schmitt3 reviewsTotal number of Google reviews Katherine has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Prompt, professional and pleasant.

Response from the owner · 6 months ago

Hi Katherine, Thank you for your feedback. Our organization is committed to maintaining a professional and respectful environment for all. We continuously strive to improve and value all feedback shared with us. Regards, Illinois Dermatology Institute

Dale Glanzman12 reviewsTotal number of Google reviews Dale has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

I was led into the examination room at my scheduled appointment time. The nurse and doctor were friendly, knowledgeable, and efficient.. It was exactly what anyone would want in a visit with a doctor.

Response from the owner · 6 days ago

Hi Dale, We appreciate you sharing your thoughts and kind remarks. It’s always encouraging to hear positive feedback. Thank you for taking the time to express your views. Regards, Illinois Dermatology Institute

Aaron Olson10 reviewsTotal number of Google reviews Aaron has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Quick, professional, thorough, and precise. Everything you want in a Derm.

Response from the owner · a week ago

Hi Aaron, We appreciate you sharing your thoughts and kind remarks. It’s always encouraging to hear positive feedback. Thank you for taking the time to express your views. Regards, Illinois Dermatology Institute

Denise Zuhlke1 reviewTotal number of Google reviews Denise has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Dr. o’Brien has always been thorough and kind. Very professional. Highly recommend.

Response from the owner · a month ago

Hi Denise, We appreciate you sharing your positive thoughts and kind words. It’s encouraging to hear such supportive feedback. Thank you for taking the time to express your sentiments. Regards, Illinois Dermatology Institute

michele galinanes1 reviewTotal number of Google reviews michele has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Excellent !!! Simply the best...

Response from the owner · a year ago

Hi Michele, Thank you for the 5-star rating! We appreciate you taking the time to share your feedback. Your support means a lot to us. Regards, Illinois Dermatology Institute

Illinois Dermatology Institute - Oak Park Office on Google Maps →

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