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About
Dr. Leonard Klein, MD is
Education
- City Hope National Med Center, Fellowship Hospital — 1980
- City Hope Natl Med Ctr, Fellowship Hospital — 1980
- Barnes - Jewish Hospital, Residency Hospital — 1979
- Barnes Jewish Hospital, Residency Hospital — 1979
- Parkland Memorial Hospital, Residency Hospital — 1978
- New York State U, School of Medicine - Buffalo, Medical School — 1975
Insurance Accepted
- Aetna
- Anthem
- CareFirst Blue Cross Blue Shield
- Cigna
- First Health
- Galaxy Health Network
- HAP Insurance
- HealthLink
- HFN
- Humana
- Medicare
- MultiPlan
- National Provider Network
- Preferred Network Access
- Three Rivers Provider Network
* Please verify this information when scheduling an appointment.
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Patient Satisfaction
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How likely are you to recommend Dr. Klein?
Dr. Leonard Klein has been my longtime physician. He is a compassionate, brilliant doctor, caring and trustworthy. Cancer is scary for sure but when you have one of the best Cancer Specialist, that's half the battle. I can be rest assured that he is always in my corner. Whether in the hospital or in his office, the care is superb.

Frequently Asked Questions
A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.
New patients are generally accepted by Dr. Leonard Klein, MD. To arrange an appointment, call the number on Dr. Klein's profile.
Dr. Klein in specializes in Oncology. See more on Sharecare.
Dr. Klein frequently treats the following conditions: Anal and Rectal Cancer. See more on Sharecare.
Dr. Klein's office is located at 8915 W Golf Rd Fl 3 Niles, IL 60714. You can find other locations and directions on Sharecare.
Dr. Klein provides telehealth services. Please contact the office to determine whether you are eligible.
Dr. Leonard Klein, MD is affiliated with Advocate Lutheran General Hospital.
Yes, Dr. Leonard Klein, MD holds board certification in Hematology, Internal Medicine and Medical Oncology.
Dr. Leonard Klein, MD has a star rating of 4.2/5. See more patient feedback on Sharecare.
Hospital Affiliations
- Advocate Lutheran General Hospital
Locations
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Illinois Cancer Specialists
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Illinois Cancer Specialists
8915 W Golf Rd Fl 3, Niles, IL 60714 (847) 827-9060
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