Adrianna K. Chauncey, M.D.
Internal Medicine Physician · Oak Park, IL
Adrianna K. Chauncey, M.D. is an internal medicine physician with a practice address in Oak Park, Illinois, and NPI 1578852562, issued on Mar 31, 2011. Check the license (Illinois 036135080, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Adrianna K. Chauncey
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036135080 IL
Self-reported in NPPES; status is on the state search - Practice location
- 18 Chicago Ave, Oak Park, IL 60302
- Phone
- (773) 253-3933
- Enumerated
- Mar 31, 2011
- Record last updated
- Jul 21, 2022
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 18 Chicago Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Marcos Erazo, MSWClinical Social Worker1033894530
Verify Adrianna K. Chauncey 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 036135080Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
48 Medicare Part D claims for 27 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
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.
Adrianna K. Chauncey among 7,238 internal medicine physician records in Illinois
Adrianna K. Chauncey, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 53% of them.
- NPI issued2011 · 53% of these records are older, 45% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2022 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
62 internal medicine physician records list a practice address in Oak Park
They are 62 of the 2,307 NPPES records with a practice address in Oak Park, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Oak Park → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Thomas Albert, D.C., M.D.Oak Park, IL 603021457465098
- Alejandra Campos, M.D.Oak Park, IL 603021932195146
- Wahiba Elhag, M.D.Oak Park, IL 603021982891826
- Augusto GuevaraOak Park, IL 603021962557686
- Charles Johnston, MDOak Park, IL 603021831288422
- Khurram Khan, M.D.Oak Park, IL 603021730370586
- Katarzyna Kielczyk, M.D.Oak Park, IL 603021194922203
- Esteban Linarez, M.D.Oak Park, IL 603021740483262
Common questions
What is Adrianna K. Chauncey, M.D.'s NPI number?
Adrianna K. Chauncey, M.D.'s National Provider Identifier (NPI) is 1578852562, issued on Mar 31, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Adrianna K. Chauncey, M.D. located?
The NPPES record lists a practice address at 18 Chicago Ave, Oak Park, IL, 60302. Phone: (773) 253-3933. Providers update this record themselves, so call before visiting.
How can I verify Adrianna K. Chauncey, M.D.'s license?
NPPES lists Illinois license number 036135080, 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 Adrianna K. Chauncey, M.D. prescribe under Medicare Part D?
In 2024, Adrianna K. Chauncey, M.D. had 48 Medicare Part D claims for 27 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.