Thomas Achilles Kotsonis, MD
Radiation Oncology Physician · Maywood, IL
Thomas Achilles Kotsonis, MD is a radiation oncology physician with a practice address in Maywood, Illinois, and NPI 1982347431, issued on Apr 13, 2022. Check the license (Illinois 125.083475, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Thomas Achilles Kotsonis
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 125.083475 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2160 S 1St Ave, Maywood, IL 60153
- Phone
- (888) 584-7888
- Enumerated
- Apr 13, 2022
- Record last updated
- May 29, 2024
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 277 in Illinois → Look up another NPI →
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Verify Thomas Achilles Kotsonis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 125.083475Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average radiation oncology physician in 2024
11 Medicare Part D claims, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Thomas Achilles Kotsonis among 277 radiation oncology physician records in Illinois
Thomas Achilles Kotsonis, MD is one of 277 radiation oncology physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 5% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2024 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Illinois
There are 277 radiation oncology physician records in Illinois.
All 277 in Illinois → Every provider in Maywood → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Menal BhandariMaywood, IL 601531134895758
- Alec BlockMaywood, IL 601531124375274
- Dennis Chan, MDMaywood, IL 601531679005243
- Anupama Chundury, M.D., M.S.Maywood, IL 601531407199250
- Bahman Emami, MDMaywood, IL 601531588641450
- Matthew Harkenrider, M.D.Maywood, IL 601531952577967
- Courtney Hentz, MDMaywood, IL 601531629495825
- Samar Khan, MSMaywood, IL 601531588321707
Common questions
What is Thomas Achilles Kotsonis, MD's NPI number?
Thomas Achilles Kotsonis, MD's National Provider Identifier (NPI) is 1982347431, issued on Apr 13, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Achilles Kotsonis, MD located?
The NPPES record lists a practice address at 2160 S 1St Ave, Maywood, IL, 60153. Phone: (888) 584-7888. Providers update this record themselves, so call before visiting.
How can I verify Thomas Achilles Kotsonis, MD's license?
NPPES lists Illinois license number 125.083475, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas Achilles Kotsonis, MD prescribe under Medicare Part D?
In 2024, Thomas Achilles Kotsonis, MD had 11 Medicare Part D claims; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.