Dr. Leonard M Klein MD Hematologist

Dr. Leonard Klein is a hematologist in Niles, Illinois and is affiliated with multiple hospitals in the area, including Advocate Lutheran General Hospital and Northwest Community Hospital. He received his medical degree from SUNY Buffalo School of Medicine and Biomedical Sciences and has been in practice for 39 years. Dr. Klein accepts several types of health insurance, listed below. He is one of 19 doctors at Advocate Lutheran General Hospital and one of 13 at Northwest Community Hospital who specialize in Hematology.

Are you Dr. Klein? Edit Profile

Office Location

See Contact Information

Specialty & Clinical Interests

Hematologist: General Hematology, Myeloproliferative Disorder Hematology-Oncology

Hospital Affiliation

Advocate Lutheran General Hospital
High performing in Cancer

Northwest Community Hospital
High performing in Cancer

Education & Medical Training

University of Texas Southwestern/Parkland Health & Hospital System
Residency, Internal Medicine, 1975–1978

Washington University/Barnes-Jewish Hospital
Fellowship, Hematology, 1978–1979

SUNY Buffalo School of Medicine and Biomedical Sciences
Class of 1975

Awards, Honors & Recognition

Super Doctor, SuperDoctors.com

Top MD, Consumers Checkbook

Insurances Accepted

  • Aetna Choice POS II
  • Aetna HMO
  • BCBS Blue Card PPO
  • BCBS Illinois BlueChoice Select
  • BCBS Illinois PPO
  • BCBS New Mexico PPO
  • CIGNA HMO
  • CIGNA Open Access
  • CIGNA PPO
  • Cofinity PPO
  • Empire BCBS PPO
  • First Health PPO
  • GHI PPO
  • Great West PPO
  • HealthLink PPO
  • Horizon BCBS Direct Access
  • Horizon BCBS HMO
  • Horizon BCBS POS
  • Horizon BCBS PPO
  • Humana ChoiceCare Network PPO
  • Lovelace Health Plan PPO
  • Multiplan PHCS PPO
  • Multiplan PPO
  • Oxford Health Freedom
  • Oxford Health Liberty
  • Presbyterian Commercial
  • QualCare HMO
  • QualCare PPO
  • United Healthcare - Direct Choice Plus POS
  • United Healthcare - Direct Options PPO

Report a Correction — If you are aware of information on this page that is out of date or incorrect, please let us know.

Patient Advice & Support


See More
Our Doctor Finder includes most U.S. physicians. Doctors are not ranked, learn more.

Nearby Hematologists

See all Hematologists near Niles, IL See all Hematologists in Illinois

Your Message Has Been Submitted

As part of our research on the correction you submitted, you may be contacted at the email address provided.

Sorry, Your Message Could Not Be Submitted

Please try again later, or E-mail your message to doctors@usnews.com and include the Web address (URL) of the page that contains incorrect information.