#1
Illinois Dermatology Institute - Hinsdale Office
“I really like Dr. Harris. He is very nice! I had a full body scan to check for skin cancer and it can be a little humiliating but he really made me feel very comfortable.” — Google review
Experts Reviews · 2026 Ratings
The Best Dermatologists in Oak Forest, IL
We graded 7 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
—typical jobMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range).
0%say the price was fairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”.
4.85★average ratingPlain average of every Google star rating we collected for these companies.
2.2%bad jobs (1–2★, 2 yrs)Share of 1–2★ reviews in the last 24 months — or the 20 newest reviews when the company had fewer than 20 in that time.
From 15,899 Google reviews of 27 top-rated dermatologists nationwide; 7 of them in Oak Forest, IL. Updated October 29, 2026.
Find the right company for your job
Pick the job — we re-rank companies by how customers rated that exact job.
Overall ratings
Experts Score 0–100Experts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. and a letter grade per factor (A = top 20% of dermatologists).
| # | Company | ScoreExperts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. | FactorsFactor grades, in orderSatisfaction (54%): Recency-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.Reliability (24%): How 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.Craft & service (0%): Google 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.Value (14%): Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Momentum (0%): Penalises 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.Replies to reviews (7%): How 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.One letter per factor score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = below 20. | ★Google star rating as shown on Google Maps. | Typical billMedian bill customers of this company reported in their reviews (needs 3+ priced reviews). |
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| 1 | Illinois Dermatology Institute - Hinsdale OfficeOak Forest, IL | A 90How 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%92+58.4Reliability 28%92+26Replies to reviews 8%71+5.8Experts Score= 90Not 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. | AA––AB | 4.92 | — |
| 2 |  Oak DermatologyOak Forest, IL | A 85How 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%92+58.4Reliability 28%86+24.3Replies to reviews 8%66+5.4Momentum penalty67−3.3Experts Score= 85Not 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. | AA––BB | 4.95 | — |
| 3 |  Illinois Dermatology Institute - Oak Park OfficeOak Forest, IL | A 84How 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. | AA––AA | 4.78 | — |
| 4 |  Dermatology Associates of Oakbrook TerraceOak Forest, IL | A 82How 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%90+57.2Reliability 28%82+23.2Replies to reviews 8%19+1.6Experts Score= 82Not 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. | AA––AF | 4.87 | — |
| 5 |  Summit Dermatology and Aesthetic SurgeryOak Forest, IL | C 52How 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%60+38.1Reliability 28%39+11Replies to reviews 8%36+3Experts Score= 52Not enough data for value; its weight is shared by the others.Grade C: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BD––AD | 4.57 | — |
| 6 |  Derick Dermatology - Oak ParkOak Forest, IL | C 51How 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%54+34.3Reliability 28%29+8.2Replies to reviews 8%100+8.2Experts Score= 51Not enough data for value; its weight is shared by the others.Grade C: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | CD––AA | 4.55 | — |
| 7 |  Dermatology AssociatesOak Forest, IL | D 34How 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 55%48+26.2Reliability 24%1+0.2Value 14%97+13.7Replies to reviews 7%51+3.6Momentum penalty0−10Experts Score= 34Grade D: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | CFAAFC | 4.67 | — |
What jobs cost
What customers paid, from the price Google asks reviewers to report.
| Job | Low25th percentile: 1 in 4 customers paid less than this. | TypicalMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range). | High75th percentile: 1 in 4 customers paid more than this. | FairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”. |
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Dermatologists in Oak Forest, IL at a glance
How the 7 dermatologists we rated in Oak Forest, IL compare, and what customers praise most.
Experts Score grades
A = score 80+, F = below 20.
- Grade A457%
- Grade B00%
- Grade C229%
- Grade D114%
- Grade F00%
Google ratings
Average stars per company.
- 4.90★ and up229%
- 4.80–4.89★114%
- 4.60–4.79★229%
- Below 4.60★229%
What customers praise
Share of Google review highlights.
- Quality1328%
- Professionalism1635%
- Responsiveness00%
- Punctuality920%
- Value817%
Was the price fair?
All price verdicts left with reviews.
Not enough data yet.
Price verdicts by year
Share calling it great / reasonable / overpriced.
How we grade
Satisfaction (54%) — Recency-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.
Reliability (24%) — How 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.
Craft & service (penalty, up to −10) — Google 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.
Value (14%) — Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.
Momentum (penalty, up to −10) — Penalises 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.
Replies to reviews (7%) — How 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.
The 7 best-rated dermatologists in Oak Forest, IL average 4.8★ on Google across 4,242 reviews. Illinois Dermatology Institute - Hinsdale Office has the top rating (4.9★). Updated October 28, 2026.
7 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (4,242 reviews combined) and currently operating. Request a call back and the company will phone you directly.
#2
Oak Dermatology
“I've seen Dr Fang twice now once for my son and once for myself and she is seriously the nicest most patient doctor! I drive all the way from Frankfort just to see her and come here. She is super knowledgeable and…” — Google review
#3
Dermatology Associates of Oakbrook Terrace
“Dr.Allen is exceptional. She was very thorough in examining my skin for any sign of possible issues. I felt very comfortable with all the questions and her explanations. I would highly recommend Dr.Allen!” — Google review
#4
Illinois Dermatology Institute - Oak Park Office
“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.” — Google review
#5
Dermatology Associates
“I've had 2 successful skin tag removal procedures. Don't get me wrong, it's going to be uncomfortable to an extent, but Jennifer was gentle and effective at removing them. Unfortunately the issue typically returns,…” — Google review
#6
Summit Dermatology and Aesthetic Surgery
“Dr. Agha and her team are professional and make a trip to the dermatologist an easy experience. I feel confident in their hands that my needs will be taken care of. I had an appointment for skin discoloration and not…” — Google review
#7
Derick Dermatology - Oak Park
“First time patient and I really felt like my concerns were heard and not just typed into a computer. I was treated like a real person and time was spent on a treatment plan and gave me same day comfort. I really…” — Google review
How we pick dermatologists in Oak Forest
We scan Google Maps for dermatologist listings in and around Oak Forest, keep only open businesses whose main category matches the service, and require a Google rating of at least 4.5 from at least 20 reviews. Companies are ordered by a confidence-weighted score that balances rating and review volume. We do not accept payment for placement.
Frequently asked questions
Who is the highest-rated dermatologist in Oak Forest?
Illinois Dermatology Institute - Hinsdale Office has the highest Google rating on our Oak Forest list: 4.9 out of 5 from 1,681 reviews (as of October 28, 2026).
Which dermatologist in Oak Forest has the most reviews?
Illinois Dermatology Institute - Hinsdale Office has the most Google reviews among the companies listed here: 1,681, with a 4.9★ average.
How are these dermatologists chosen?
Only open Oak Forest-area businesses whose Google category matches the service, rated at least 4.5★ from at least 20 Google reviews. They are ordered by a confidence-weighted score of rating and review volume. Placement is never paid.