Brian A. Oneill, MD
Family Medicine Physician · Belleville, IL
Brian A. Oneill, MD is a family medicine physician with a practice address in Belleville, Illinois, and NPI 1669466066, issued on Aug 31, 2005. Check the license (Illinois 036046574, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Brian A. Oneill
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036046574 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4600 Memorial Dr, Belleville, IL 62226
- Phone
- (618) 235-6191
- Enumerated
- Aug 31, 2005
- Record last updated
- Feb 25, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (618) 235-6716
- Medicaid ID
- 036046574 IL
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 4600 Memorial Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Julie Abeln, WHNPWomen's Health Nurse Practitioner1932416187
- Cindy Auld, FNPObstetrics & Gynecology Nurse Practitioner1003873647
- Catherine Bennett, FNPFamily Nurse Practitioner1427504042
- Anne Cath, MDInternal Medicine Physician1417937574
- Kathleen Fournier, MDInternal Medicine Physician1023088903
- Miranda Kalish, PAPhysician Assistant1588056147
Verify Brian A. Oneill 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 036046574Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $28.64
2 payments; by number, the most common kind was food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Brian A. Oneill among 6,215 family medicine physician records in Illinois
Brian A. Oneill, MD is one of 6,215 family medicine 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2021 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 family medicine physician records list a practice address in Belleville
They are 36 of the 1,404 NPPES records with a practice address in Belleville, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Belleville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Linus Anukwu, MDBelleville, IL 622261144242090
- Angie Harris, DOBelleville, IL 622261972694685
- Joya Keys, DOBelleville, IL 622261982199287
- Douglas Kruse, MDBelleville, IL 622261194830661
- Salma Mannan-Hilaly, MDBelleville, IL 622261699772251
- Ellen Middendorf, MDBelleville, IL 622261245234988
- Jeffrey Parks, M.D.Belleville, IL 622261215044367
- David Rawdon, MDBelleville, IL 622261376549139
Common questions
What is Brian A. Oneill, MD's NPI number?
Brian A. Oneill, MD's National Provider Identifier (NPI) is 1669466066, issued on Aug 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Brian A. Oneill, MD located?
The NPPES record lists a practice address at 4600 Memorial Dr, Belleville, IL, 62226. Phone: (618) 235-6191. Providers update this record themselves, so call before visiting.
How can I verify Brian A. Oneill, MD's license?
NPPES lists Illinois license number 036046574, 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.
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.