Dr. John Ayers, MD
Hematology/oncology
21+
Years in Practice
Available
Telehealth
Practice Locations
2 locations
About Dr. John Ayers
John Ayers, MD is a healthcare provider practicing in Warrenville, IL.
Specialty Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
31
Years Experience
2
Locations
1
States Licensed
Credentials & Board Certifications
Primary Specialty
Hematology/oncologyCredentials verified via NPI Registry (NPPES)
Education & Training
Medical School
University Of Illinois College Of Med (chi/peor/rock/chm-urb)
Class of 1995
Licenses & Practice States
Licensed in 1 state
| State | License | Classification | Primary |
|---|---|---|---|
| Illinois | 036102368 | Internal Medicine |
Public Data Summary for Dr. John Ayers
With 21 years of practice, Dr. John Ayers is an established hematology/oncology provider, MD, after earning their medical degree at University Of Illinois College Of Med (chi/peor/rock/chm-urb) in 1995. Dr. currently practices across 2 facilities, including Central Dupage Physician Group in Warrenville, Illinois. Their National Provider Identifier (NPI) is 1477540821, and the profile below combines data from CMS NPPES, Medicare billing records, the HHS OIG exclusion list, and — where available — CMS Open Payments, Medicare Utilization, and Part D prescriber summaries.
CMS Medicare data shows Dr. John Ayers as a lower-volume hematology/oncology provider, treating approximately 471 Medicare beneficiaries and delivering 1K services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.
Under the Physician Payments Sunshine Act, CMS reports that Dr. John Ayers received $16 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.
Transparency & Safety
Public records from CMS and OIG databases
Industry Payments
$16
Total payments received from pharmaceutical and medical device companies in 2023.
Source: CMS Open Payments (Sunshine Act)
Opioid Prescribing
This provider has no opioid prescriptions on file in Medicare Part D data.
Insurance & Accessibility
Reviews
Community reviews for Dr. John Ayers
--
0 reviews
Hematology/oncology Providers Nearby
Same primary specialty near ZIP 60555
FAQ
Frequently asked questions about Dr. John Ayers
What does Dr. John Ayers specialize in?
Dr. John Ayers specializes in Hematology/oncology.
Where does Dr. John Ayers practice?
Dr. John Ayers practices at Central Dupage Physician Group in Warrenville, Illinois. Dr. is also affiliated with 1 additional facility, listed below.
Does Dr. John Ayers accept Medicare?
CMS records show that Dr. John Ayers accepts Medicare assignment. CMS billing data shows 471 Medicare beneficiaries treated in the most recent reporting year.
What is Dr. John Ayers's NPI number?
Dr. John Ayers's National Provider Identifier (NPI) is 1477540821. This is the unique 10-digit number the Centers for Medicare & Medicaid Services assigns to every practicing US healthcare provider. You can verify this number directly at the NPPES NPI Registry.
How long has Dr. John Ayers been practicing?
Dr. John Ayers has approximately 21 years of practice experience, having graduated from University Of Illinois College Of Med (chi/peor/rock/chm-urb) in 1995.