Best Misdiagnosis Lawyers in Illinois (2026)

The misdiagnosis lawyers in Illinois we'd call first, drawn from every city list we've published there and the firms whose own work shows these cases.

Sources checked November 9, 2026

5 lawyers and firms

Free case review

The short answer

Of the 11 firms that show misdiagnosis work on our 2 city lists in Illinois, Pintas & Mullins Law Firm scores highest on malpractice focus, published results, client reviews and experience, followed by Levin & Perconti and Malman Law. Each firm keeps its best score from the cities it serves; open a city for its full list.

Best Misdiagnosis Lawyers in Illinois

Feature your firm in Illinois
This spot goes to one firm for a year. It's shown first, above everyone below, and labeled Featured.
See what's included
1
Pintas & Mullins Law Firm
4.81,737 Google reviewsRated 4.8 out of 5 on Google from 1737 reviews
Best for: Diagnostic errors with serious injuries
Among Pintas & Mullins Law Firm's published results is $4.75 million for kidney damage that wasn't diagnosed before childbirth.
On our list for Chicago.
Call Website Free case review Is this your firm?
How they were picked
We order firms by how much of their work is medical malpractice, the results they publish, what their clients say, their experience, their standing with the regulator and the recognition they have earned, all from public records and the firms' own sites. How lists are made
2
Levin & Perconti
4.8605 Google reviewsRated 4.8 out of 5 on Google from 605 reviews
Best for: Delayed lung cancer diagnosis
Levin & Perconti publishes a verdict involving an abnormal chest X-ray that no one followed up on.
On our list for Chicago.
Call Website Free case review Is this your firm?
How they were picked
We order firms by how much of their work is medical malpractice, the results they publish, what their clients say, their experience, their standing with the regulator and the recognition they have earned, all from public records and the firms' own sites. How lists are made
3
Malman Law
4.85,402 Google reviewsRated 4.8 out of 5 on Google from 5402 reviews
Best for: Missed cancer and meningitis diagnoses
Among Malman Law's published results are $6 million for an infant's undiagnosed meningitis and a $5 million settlement following a boy's delayed tumor diagnosis. Another listed result is $2.25 million for undiagnosed ovarian cancer.
On our list for Chicago.
Call Website Free case review Is this your firm?
How they were picked
We order firms by how much of their work is medical malpractice, the results they publish, what their clients say, their experience, their standing with the regulator and the recognition they have earned, all from public records and the firms' own sites. How lists are made
4
Zayed Law
4.8603 Google reviewsRated 4.8 out of 5 on Google from 603 reviews
Best for: Missed kidney cancer diagnosis
Adam J. Zayed and Julian D. Hoshell are named in Zayed Law's published $2.5 million settlement for failure to diagnose metastatic renal cell carcinoma. It's a directly relevant result for someone weighing a kidney cancer claim.
On our list for Chicago.
Call Website Free case review Is this your firm?
How they were picked
We order firms by how much of their work is medical malpractice, the results they publish, what their clients say, their experience, their standing with the regulator and the recognition they have earned, all from public records and the firms' own sites. How lists are made
5
Kreisman Law Offices
4.515 Google reviewsRated 4.5 out of 5 on Google from 15 reviews
Best for: Delayed abdominal emergency diagnosis
Kreisman Law Offices publishes a $35.3 million jury verdict for the late diagnosis of an acute abdominal emergency, its clearest connection to this list's focus. Robert D. Kreisman holds Martindale Hubbell's AV peer-review rating.
On our list for Chicago.
Call Website Free case review Is this your firm?
How they were picked
We order firms by how much of their work is medical malpractice, the results they publish, what their clients say, their experience, their standing with the regulator and the recognition they have earned, all from public records and the firms' own sites. How lists are made

How a malpractice claim usually moves in Illinois

1.Something went wrong
Write down dates and names while they're fresh.
2.Get your records
Ask for your full chart and test results.
3.Free case review
A lawyer looks at what happened, free.
4.Medical opinion
A doctor checks whether the care fell short.
5.Start the claim in time
Your lawyer starts the claim before the deadline.
6.Settlement or trial
Many claims settle. Some go to a judge or jury.

Misdiagnosis Lawyers by city in Illinois

Chicago, IL

Photo: Chicago, File:Chicago River ferry.jpg: John Picken derivative work: Georgfotoart, CC BY 2.0. Via Wikimedia Commons.

Keep looking

In Illinois

Every malpractice lawyer in Illinois

About these cases

Hurt by medical care in Illinois? Let's talk it through.

Most people who reach out aren't sure yet, and that's fine. Share a few lines and a malpractice lawyer near you can look at it with you, at no cost.

It's free, and talking to a lawyer doesn't commit you to anything.
Where we know the local rules, you'll see your likely filing deadline right away.
Your answers are encrypted and never sold or used for ads.

Start with one question

Get the top spot for misdiagnosis lawyers in Illinois

The featured spot on this page is open. Whoever takes it is the first lawyer people see when they come here looking for help.

One featured spot per list, so you're never one of several
Shown first and labeled Featured, for a year
Your photo, your bio, a call button and case review requests

From $1,800a year, practice area list

Every plan and market or ask to be considered for the list itself, which is free.