24 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Ayers, Hematology / Oncology Specialist in Warrenville, IL?
Dr. John Ayers, MD is a Hematology / Oncology Specialist, who primarily practices in Warrenville, IL. He has been practicing for over 24 years and is board certified. Dr. Ayers graduated from University of Illinois College of Medicine and completed his residency at Loyola Univ Med Ctr, Hematology/Oncology; Univ Hi-J A Burns Sch Med, Internal Medicine; St Elizabeth'S Med Ctr, Internal Medicine. Dr. Ayers is fluent in English and Spanish, and is currently seeing new patients. Dr. Ayers’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ayers’s office at (630) 352-5300.
Where did Dr. Ayers go to medical school and complete their residency?
Residency: Loyola Univ Med Ctr, Hematology/Oncology; Univ Hi-J A Burns Sch Med, Internal Medicine; St Elizabeth'S Med Ctr, Internal Medicine
Medical School: University Of Il Coll Of Med- Chicago Il | University of Illinois College of Medicine
Is Dr. Ayers board certified as a Hematology / Oncology Specialist?
Yes, Dr. John Ayers, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Ayers speak?
Dr. Ayers and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Hematology / Oncology Specialist like Dr. Ayers typically treat?
As a Hematology / Oncology Specialist, Dr. Ayers diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Ayers. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Breast Cancer
- Upper-Outer Quadrant Right Female Breast Cancer
- Female Breast Cancer
- Malignant Breast Tumor
- Breast Carcinoma
- Right female breast cancer upper-outer
- Upper-outer right female breast tumor
- Malignant growth in upper-outer right female breast
- Mammary cancer
- Breast carcinoma
- Breast tumor
ICD-10 Codes:
- C50412: Malignant neoplasm of upper-outer quadrant of left female breast
- C50411: Malignant neoplasm of upper-outer quadrant of right female breast
- C50919: Malignant neoplasm of unspecified site of unspecified female breast
- C50912: Malignant neoplasm of unspecified site of left female breast
- C50911: Malignant neoplasm of unspecified site of right female breast
Also known as:
- Cancer Chemotherapy
- Chemo treatment
- Oncology chemotherapy
- Cancer drug therapy
ICD-10 Codes:
- Z5111: Encounter for antineoplastic chemotherapy
Also known as:
- Mammogram for Breast Cancer Screening
- Health Screening
- Mammography
- Breast Cancer Screening (PDQ®)
- Mammograms
- Breast X-ray
- Breast Cancer Check
ICD-10 Codes:
- Z1231: Encounter for screening mammogram for malignant neoplasm of breast
What procedures does a Hematology / Oncology Specialist like Dr. Ayers typically perform?
As a Hematology / Oncology Specialist, Dr. Ayers performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Ayers. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Blood Transfusion
- Blood Transfusion and Donation
- Blood product transfusion
- Red blood cell transfusion
- Plasma transfusion
CPT Codes:
- 36430: Transfusion, blood or blood components
Also known as:
- Tunneled Central Venous Catheter Removal
- Central Line Explant
- Port-a-Cath Removal
- Implantable Venous Access Device Removal
- Tunneled Catheter Extraction
CPT Codes:
- 36590: Removal of tunneled central venous access device, with subcutaneous port or pump, central or peripheral insertion
Also known as:
- Inserting a Long-Term IV Port (Central Line)
- Tunneled central venous catheter insertion
- Subcutaneous port placement
- Central line with port
CPT Codes:
- 36561: Insertion of tunneled centrally inserted central venous access device, with subcutaneous port; age 5 years or older
Also known as:
- Declotting of Vascular Access Device
- Catheter declotting
- Thrombolytic therapy for catheter
- Blocked port-a-cath treatment
- Vascular access device unblocking
CPT Codes:
- 36593: Declotting by thrombolytic agent of implanted vascular access device or catheter
Also known as:
- Therapeutic Blood Draw
- Therapeutic Phlebotomy
- Blood Letting
- Blood Removal for Treatment
CPT Codes:
- 99195: Phlebotomy, therapeutic (separate procedure)
Also known as:
- Abdominal Fluid Drainage with Imaging Guidance
- Guided Abdominal Paracentesis
- Ascites Drainage with Ultrasound
- Fluid Removal from Belly
CPT Codes:
- 49083: Abdominal paracentesis (diagnostic or therapeutic); with imaging guidance
Does Dr. Ayers accept my insurance?
Dr. Ayers accepts most major insurance plans. Important: Please call our office at (630) 352-5300 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Ayers accept in Warrenville, IL?
Dr. Ayers in Warrenville, IL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Cigna Group
CVS Health (formerly Aetna)
Health Care Service Corporation
Humana
Medicare
State of Illinois
UMR Administered Payer
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Ayers' office located?
What is Dr. Ayers's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Ayers's National Provider Identifier (NPI) number is 1477540821.
What common questions do patients ask about Dr. Ayers?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Ayers
What is Dr. John Ayers's specialty?
Dr. Ayers is a Hematology / Oncology Specialist near Warrenville, IL.
What does a Hematology / Oncology Specialist do?
An internist doctor of osteopathy specializing in the combined treatment of hematology and oncology disorders. A doctor of osteopathy who is board eligible or certified by the American Osteopathic Board of Internal Medicine was previously able to obtain a Certificate of Special Qualifications in Hematology and Oncology; however, this certificate is no longer available.
Is this Dr. John Ayers affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Ayers is affiliated with Northwestern Memorial Hospital, Northwestern Medicine Delnor Hospital, Northwestern Medicine Kishwaukee Hospital, Northwestern Medicine Palos Hospital, Northwestern Medicine Mchenry Hospital, Northwestern Medicine Lake Forest Hospital which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see a Hematology / Oncology Specialist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Hematology / Oncology Specialist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is John Ayers accepting new patients in Warrenville, IL?
Yes, Dr. John Ayers is accepting new patients at this time.
Does Dr. John Ayers offer online booking?
Please contact Dr. Ayers's office at (630) 352-5300 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Ayers?
Please contact Dr. Ayers's office at (630) 352-5300 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. John Ayers have?
Dr. John Ayers is certified by the American Board of Internal Medicine.
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