of
LK

Leonard Klein Jr, MD

Dr. Klein is a hematologist oncologist in the Niles area. He is affiliated with Northwest Community Hospital and Lutheran General Hospital.
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Conditions treated

Tap to see related services for each condition and more details about our calculations.

Top 25%
198 doctors
Top 15%
198 doctors
Top 5%
99 doctors
Dr. Klein saw more blood cancer patients than 95% of similar doctors in the Chicago area in 2014–2018. Learn more.

Related services provided

Top 25%
214 doctors
Top 15%
214 doctors
Top 5%
107 doctors
Dr. Klein saw more breast cancer patients than 85% of similar doctors in the Chicago area in 2014–2018. Learn more.

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Top 25%
259 doctors
Top 15%
258 doctors
Top 5%
129 doctors
Dr. Klein saw more dehydration patients than 95% of similar doctors in the Chicago area in 2014–2018. Learn more.
Top 25%
3 doctors
Top 15%
2 doctors
Top 5%
1 doctor
Dr. Klein saw graft-versus-host disease patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Chicago area. Learn more.
Top 25%
48 doctors
Top 15%
47 doctors
Top 5%
23 doctors
Dr. Klein saw more rectal cancer patients than 95% of similar doctors in the Chicago area in 2014–2018. Learn more.

Related services provided

Top 25%
125 doctors
Top 15%
125 doctors
Top 5%
62 doctors
Dr. Klein saw more lymphoma patients than 95% of similar doctors in the Chicago area in 2014–2018. Learn more.

Related services provided

Top 25%
148 doctors
Top 15%
148 doctors
Top 5%
74 doctors
Dr. Klein saw more colon cancer patients than 95% of similar doctors in the Chicago area in 2014–2018. Learn more.

Related services provided

Top 25%
17 doctors
Top 15%
16 doctors
Top 5%
8 doctors
Dr. Klein saw more acute myeloid leukemia (AML) patients than 85% of similar doctors in the Chicago area in 2014–2018. Learn more.

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Top 25%
64 doctors
Top 15%
64 doctors
Top 5%
31 doctors
Dr. Klein saw more leukemia patients than 95% of similar doctors in the Chicago area in 2014–2018. Learn more.

Related services provided

Top 25%
39 doctors
Top 15%
39 doctors
Top 5%
19 doctors
Dr. Klein saw more multiple myeloma patients than 95% of similar doctors in the Chicago area in 2014–2018. Learn more.

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Top 25%
8 doctors
Top 15%
8 doctors
Top 5%
4 doctors
Dr. Klein saw more anal cancer patients than 75% of similar doctors in the Chicago area in 2014–2018. Learn more.

Related services provided

Top 25%
940 doctors
Top 15%
940 doctors
Top 5%
469 doctors
Dr. Klein saw more anemia patients than 85% of similar doctors in the Chicago area in 2014–2018. Learn more.

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Top 25%
166 doctors
Top 15%
166 doctors
Top 5%
82 doctors
Dr. Klein saw more lung cancer patients than 85% of similar doctors in the Chicago area in 2014–2018. Learn more.

Related services provided

Top 25%
1.2k doctors
Top 15%
1.2k doctors
Top 5%
575 doctors
Dr. Klein saw digestive tract conditions patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Chicago area. Learn more.
Top 25%
1.2k doctors
Top 15%
1.2k doctors
Top 5%
621 doctors
Dr. Klein saw cardiovascular disease (CVD) patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Chicago area. Learn more.
Top 25%
16 doctors
Top 15%
15 doctors
Top 5%
7 doctors
Dr. Klein saw acute lymphocytic leukemia (ALL) patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Chicago area. Learn more.
Top 25%
295 doctors
Top 15%
294 doctors
Top 5%
147 doctors
Dr. Klein saw sepsis patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Chicago area. Learn more.
Top 25%
144 doctors
Top 15%
143 doctors
Top 5%
71 doctors
Dr. Klein saw carcinoma patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Chicago area. Learn more.
Top 25%
292 doctors
Top 15%
292 doctors
Top 5%
145 doctors
Dr. Klein saw osteoporosis patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Chicago area. Learn more.
Top 25%
8 doctors
Top 15%
8 doctors
Top 5%
3 doctors
Dr. Klein saw testicular cancer patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Chicago area. Learn more.
Top 25%
53 doctors
Top 15%
53 doctors
Top 5%
26 doctors
Dr. Klein saw immunodeficiency patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Chicago area. Learn more.
Top 25%
194 doctors
Top 15%
194 doctors
Top 5%
97 doctors
Dr. Klein saw malnutrition patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Chicago area. Learn more.
Top 25%
1.2k doctors
Top 15%
1.2k doctors
Top 5%
591 doctors
Dr. Klein saw vascular disease patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Chicago area. Learn more.
Top 25%
7 doctors
Top 15%
7 doctors
Top 5%
3 doctors
Dr. Klein saw chronic myelogenous leukemia (CML) patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Chicago area. Learn more.
Top 25%
419 doctors
Top 15%
418 doctors
Top 5%
209 doctors
Dr. Klein saw kidney failure patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Chicago area. Learn more.
Top 25%
379 doctors
Top 15%
380 doctors
Top 5%
189 doctors
Dr. Klein saw acute renal failure patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Chicago area. Learn more.
Top 25%
162 doctors
Top 15%
163 doctors
Top 5%
81 doctors
Dr. Klein saw prostate cancer patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Chicago area. Learn more.

Related services provided

Top 25%
44 doctors
Top 15%
43 doctors
Top 5%
21 doctors
Dr. Klein saw bladder cancer patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Chicago area. Learn more.
Top 25%
85 doctors
Top 15%
85 doctors
Top 5%
42 doctors
Dr. Klein saw more clotting disorders patients than 75% of similar doctors in the Chicago area in 2014–2018. Learn more.
Top 25%
41 doctors
Top 15%
41 doctors
Top 5%
20 doctors
Dr. Klein saw kidney cancer patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Chicago area. Learn more.
Locations

Dr. Klein sees patients and can be reached at the following locations.

Illinois Cancer Specialists
8915 W Golf Rd
Niles, IL 60714
576 miles away
Office
25070 Network Pl
Chicago, IL 60673
562 miles away

Reviews

Credentials
  • Jewish Hospital of Cincinnati Program
    RESIDENCY
  • University at Buffalo State University of New York School of Medicine & Biomedical Sciences
    MEDICAL EDUCATION, 1978

Hospital affiliations

Dr. Klein is able to admit and treat patients at the following hospitals.

  • Northwest Community Hospital
    A
    Hospital safety grade (Spring 2019)
  • Lutheran General Hospital
    C
    Hospital safety grade (Spring 2019)

Insurance accepted

Always check coverage with your doctor’s office.

  • Aetna
  • Anthem
  • Arkansas Blue Cross and Blue Shield
  • Assurant Health
  • Beacon Health Strategies
  • Blue Cross Blue Shield of Arizona
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Michigan
  • Blue Cross and Blue Shield of Alabama
  • Blue Cross and Blue Shield of Florida
  • Blue Cross and Blue Shield of Illinois
  • Blue Cross and Blue Shield of Kansas
  • Blue Cross and Blue Shield of Kansas City
  • Blue Cross and Blue Shield of Louisiana
  • Blue Cross and Blue Shield of Minnesota
  • Blue Cross and Blue Shield of Mississippi
  • Blue Cross and Blue Shield of Montana
  • Blue Cross and Blue Shield of Nebraska
  • Blue Cross and Blue Shield of New Mexico
  • Blue Cross and Blue Shield of North Dakota
  • Blue Cross and Blue Shield of Oklahoma
  • Blue Cross and Blue Shield of Rhode Island
  • Blue Cross and Blue Shield of Texas
  • Blue Cross and Blue Shield of Vermont
  • Blue Cross and Blue Shield of Wyoming
  • Blue Cross of Idaho
  • Blue Shield of California
  • BlueCross BlueShield of South Carolina
  • BlueCross BlueShield of Tennessee
  • Capital District Physicians Health Plan
  • CareFirst BlueCross BlueShield
  • Cigna
  • CoreSource
  • Coventry Health Care
  • Cross and Blue Shield of North Carolina
  • Dean Health Plan
  • EmblemHealth
  • Harvard Pilgrim Health Care
  • Health Net
  • HealthPartners
  • HealthSCOPE Benefits
  • HealthSmart
  • Highmark Blue Cross Blue Shield
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana
  • Independence Blue Cross AmeriHealth
  • Mayo Clinic Health Solutions
  • Medica
  • Medical Mutual of Ohio
  • Medicare
  • Meritain Health
  • Optima Health
  • PreferredOne
  • Premera Blue Cross
  • Priority Health
  • Regence Blue Cross Blue Shield
  • TRICARE
  • United Healthcare
  • Unity Health Insurance
  • Wellmark Blue Cross and Blue Shield