Dr. Leonard Giannone is a hematologist / oncologist in Springfield. He is a cancer specialist trained in blood disorders and the medical treatment of malignancies.


Reviews of Dr. Giannone
Dr. Giannone


See what patients are saying about Dr. Giannone.





  • Recommends
  • On Time
  • Friendly
  • Professional
  • Knowledgeable
  • Understandable
  • Reachable
  • Helpful Staff

My brother had colon cancer, and was a patient of Dr. Giannone's. The family, living out of state from our brother, were able to talk to him and his nurses when we needed, and found him very knowledgable, caring, and professional. My brother had complete trust in this doctor, and was very satisfied with his treatment.

See More Reviews Write a Review

Offices of Dr. Giannone See Insurance
of Dr. Giannone


Springfield Clinic LLP  


Please Note: This link will direct you to a third-party website unaffiliated with MD.com (https://www.springfieldclinic.com/AboutSpringfieldClinic/ContactUs), where you're able to request or schedule an appointment online with Dr. Leonard Giannone.


775 Engineering Avenue, Chiropractic Services, Springfield, IL 62703

Office Details

Doctor Specialty Hematology / Oncology
Practice Specialty Multi Specialty
Languages Spoken English

Springfield Clinic LLP  


900 N 1st Street, Springfield, IL 62702-3749

Office Details

Doctor Specialty Hematology / Oncology
Languages Spoken English

Springfield Clinic LLP  


20733 N Broad Street, Carlinville, IL 62626-3710

Office Details

Doctor Specialty Hematology / Oncology
Languages Spoken English

Insurance Accepted  

  • Medicare

About Dr. Giannone
Dr. Giannone



Dr. Leonard Giannone graduated from University Of Chicago, Pritzker School Of Medicine in 1979.

Dr. Giannone has three offices in Illinois where he specializes in Hematology / Oncology.

Dr. Giannone works with one hundred and ninety-five doctors including Dr. Xinyan Huang and Dr. Brett Wolters.


Education & Training  

Hospital Affiliations

  • Memorial Medical Center
  • Carlinville Area Hospital Association
  • Passavant Area Hospital
  • HSHS St. John's Hospital
  • Schuyler County Hospital District

Languages Spoken  

  • English

Dr. Giannone's Medicare Fee‑for‑Service Data (2014)  

Please Note: The information displayed below is sourced from the 2014 Medicare Physician and Other Supplier National Provider Identifier (NPI) Aggregate Report. It's important to remember that the statistics below are not inclusive of all patients treated by Dr. Giannone, but only those who participate in Medicare.

  • Participates in Medicare?: Yes 
  • Number of HCPCS Codes: 117 
  • Number of Services: 115026 
  • Medical Suppress Indicator:  
  • Number of HCPCS Associated With Medical Services: 46 
  • Number of Medical Services: 8236 
  • Number of Medicare Patients with Medical Services: 618 
  Medicare Patient Demographics
  • Total Number of Medicare Patients: 619 
  • Average Age of Medicare Patients: 75 
  • Number of Patients Under Age 65: 62 
  • Number of Patients Age 65 to 74: 250 
  • Number of Patients Age 75 to 84: 208 
  • Number of Patients Over Age 84: 99 
  • Number of Female Patients : 324 
  • Number of Male Patients: 295 
  • Number of Non-Hispanic White Patients: 593 
  • Number of Black or African American Patients: 0 
  • Number of Asian Pacific Islander Patients: 0 
  • Number of Hispanic Patients: 0 
  • Number of American Indian/Alaska Native Patients: 0 
  • Number of Patients with Race Not Elsewhere Classified: 0 
  • Number of Patients with Medicare Only Entitlement: 541 
  • Number of Patients with Medicare & Medicaid Entitlement: 78 
  Medicare Patient Condition Demographics
  • Percent of Patients with Atrial Fibrillation: 14% 
  • Percent of Patients with Alzheimer’s Disease or Dementia: 6% 
  • Percent of Patients with Asthma: 9% 
  • Percent of Patients with Cancer: 43% 
  • Percent of Patients with Heart Failure: 24% 
  • Percent of Patients with Chronic Kidney Disease: 28% 
  • Percent of Patients with Chronic Obstructive Pulmonary Disease: 19% 
  • Percent of Patients with Depression: 16% 
  • Percent of Patients with Diabetes: 33% 
  • Percent of Patients with Hyperlipidemia: 47% 
  • Percent of Patients with Hypertension (High Blood Pressure): 64% 
  • Percent of Patients with Ischemic Heart Disease: 41% 
  • Percent of Patients with Osteoporosis: 5% 
  • Percent of Patients with Rheumatoid Arthritis / Osteoarthritis: 28% 
  • Percent of Patients with Schizophrenia / Other Psychotic Disorders: 2% 
  • Percent of Patients with Stroke: 2% 
  Medicare Payments Data
  • Total Submitted Charge Amount: $2,638,709.99 
  • Total Medicare Allowed Amount: $2,388,539.59 
  • Total Medicare Payment Amount: $1,854,499.38 
  • Total Medicare Standardized Payment Amount: $1,861,584.73 
  • Total Medical Submitted Charge Amount: $464,348.72 
  • Total Medical Medicare Allowed Amount: $413,803.17 
  • Total Medical Medicare Payment Amount: $313,537.68 
  • Total Medical Medicare Standardized Payment Amount: $320,623.03 
  Medicare Prescription Drug Data
  • Drug Suppress Indicator: n/a 
  • Number of HCPCS Associated With Drug Services: 71 
  • Number of Drug Services: 106790 
  • Number of Medicare Beneficiaries With Drug Services: 229 
  • Total Drug Submitted Charge Amount: $2,174,361.27 
  • Total Drug Medicare Allowed Amount: $1,974,736.42 
  • Total Drug Medicare Payment Amount: $1,540,961.70 
  • Total Drug Medicare Standardized Payment Amount: $1,540,961.70