Brian Oneill, MD
NPI 1669466066 · Family Medicine Physician · Belleville, IL
Brian Oneill, MD is a Family Medicine Physician provider in Belleville, IL (NPI 1669466066).
Provider details
- NPI number
- 1669466066
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036046574 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$29 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-31
- Last updated
- 2021-02-25
- Certified
- 2021-02-25
Frequently asked questions
- What is Brian Oneill's NPI number?
- Brian Oneill's National Provider Identifier (NPI) is 1669466066, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Oneill's specialty?
- Brian Oneill is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Oneill located?
- Brian Oneill's practice location on file with NPPES is 4600 Memorial Dr, Belleville, IL 62226-5368.
- What is Brian Oneill's phone number?
- The practice phone number listed in the NPPES registry for Brian Oneill is (618) 235-6191.
- Is Brian Oneill's NPI active?
- Yes — Brian Oneill's NPI (1669466066) is active in the NPPES registry as of the last update on 2021-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.