


Dr. Leonard Klein, MD
Dr. Leonard Klein, MD is a medical oncologist in Niles, IL and has over 45 years of experience in the medical field. He graduated from New York State U, School of Medicine - Buffalo in 1975. He is affiliated with Advocate Lutheran General Hospital. He is accepting new patients.
Practice
8915 W Golf Rd Niles, IL 60714Make an Appointment
Hospital Highlight
Dr. Klein is affiliated with Advocate Lutheran General Hospital Park Ridge, a highly rated hospital.
At a Glance
- Areas of ExpertiseDr. Klein specializes in the areas of Hematology, Internal Medicine & Medical Oncology. • See board certifications
- Explains Conditions Well
- Practices at Top Hospital
- Practices at Highly Recommended Hospital

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Dr. Klein's Reviews
Likelihood to recommend Dr. Klein
4.3
5 Star | 82% | 82% |
4 Star | 0% | 0% |
3 Star | 0% | 0% |
2 Star | 0% | 0% |
1 Star | 18% | 18% |
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How was your experience with Dr. Klein?Overall Patient Satisfaction
Likelihood of recommending Dr. Klein to family and friends is 4.2727275 out of 5
About Me
biography
Dr. Leonard Klein, MD is a medical oncologist in Niles, IL and has over 45 years of experience in the medical field. He graduated from New York State U, School of Medicine - Buffalo in 1975. He is affiliated with Advocate Lutheran General Hospital. He is accepting new patients.Medical Oncology
Hematology
*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
City Hope National Medical Center|city Hope Natl Med Center
Fellowship Hospital, 1980Barnes - Jewish Hospital|barnes Jewish Hospital|parkland Memorial Hospital
Residency Hospital, 1979New York State U, School Of Medicine - Buffalo
Medical School, 1975
Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.
Learn more about medical license public record checkFocus on Breast Cancer
Locations
Practice
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- Hours
- Mon: 8:30am - 5:00pm
- Tue: 8:30am - 5:00pm
- Wed: 8:30am - 5:00pm
- Thu: 8:30am - 5:00pm
- Fri: 8:30am - 5:00pm
- Directions
Practice
Affiliated Hospitals
- Recipient of 52
hospital awardsAmerica's 100 Best Hospitals Award™ (2025, 2024, 2023)
Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications
View all awardsAmerica's 250 Best Hospitals Award™ (2025, 2024, 2023)
Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications
View all patient feedbackHow patients felt about the care they received at this hospital.
87%Patients said they were given information about recovering at home3% higher than the national average
77%Patients said that nurses always listened to them and explained things well2% higher than the national average
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