DR. BRIAN A ONEILL (MD) – Family Medicine Physician, NPI 1669466066

DR. BRIAN A ONEILL (MD) is a healthcare provider. based in Belleville, Illinois. specializing in Family Medicine Physician. They hold the professional credentials MD. They hold a License No. 036046574 (IL). The NPI Number for DR. BRIAN A ONEILL (MD) is 1669466066

Main info

Male
58 Years Of Experience
Accepts Medicare Assignment
Name
DR. BRIAN A ONEILL (MD)
NPI
1669466066
Phone
(618) 235-0460
Address
4600 MEMORIAL DR STE 400
Enumeration Date
31 August 2005
Last Update Date
25 February 2021

Doctor Profile

Medical School Name
SAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
6184637240
Graduation Year
1968 (58 years ago)
PAC ID
6608965603
Group Practice PAC ID
6800784083
Professional Enrollment ID
I20071128000596

Contacts

FHIR Endpoint
https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness85
Years active:20State licenses:1Other namesUpdated within 12 months

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Provider Addresses for DR. BRIAN A ONEILL (MD)

  • 4600 MEMORIAL DR STE 400

    BELLEVILLE, IL 622265366

    Phone: (618) 235-0460

    Fax: (618) 235-1464

    Type: Mailing

  • 4600, Memorial Drive, Royal Heights, Belleville, Saint Clair County, Illinois, 62226, United States

    STE. 220

    BELLEVILLE, IL 622265368

    Phone: (618) 235-6191

    Fax: (618) 235-6716

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 3 Open Payments records for all available years, with a total value of $42.

Total Amount is formed as General ($42) + Research ($0) + Ownership ($0) = $42.

Last reported payment date: 2024-06-06 • Largest payer in this snapshot: Salix Pharmaceuticals, a division of Bausch Health US, LLC ($29).

Total Amount

$42

General + Research + Ownership

Payments

3

Total payment records

General Amount

$42

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-06-06

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 62226)

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Provider's Procedures

DR. BRIAN A ONEILL (MD) performs procedures in Family Medicine Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
FAMILY MEDICINEIL20610Aspiration and/or injection of large joint or joint capsule1813

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 6800784083View full group profile
NameSpecialtyState
Nurse PractitionerIL
Nurse PractitionerIL
Physician AssistantIL
Family PracticeIL
Internal Medicine, HospitalistNV
-MO
O B S T E T R I C S/ G Y N E C O L O G YMO
G A S T R O E N T E R O L O G YGA
Physician AssistantIL
Hospitalist, Gastroenterology, GastroenterologyTX

Reviews

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Frequently asked questions

Does DR. BRIAN A ONEILL (MD) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — DR. BRIAN A ONEILL (MD) uses 1669466066.
Can I rely on DR. BRIAN A ONEILL (MD) being an active provider?
As of the registry snapshot, DR. BRIAN A ONEILL (MD) is marked active.
What is DR. BRIAN A ONEILL (MD)'s primary classification?
Family Medicine Physician is the headline specialty for DR. BRIAN A ONEILL (MD) here. Clinical services aligned with this taxonomy classification.
Where should I expect DR. BRIAN A ONEILL (MD) on a map?
Expect Belleville, Illinois as a primary anchor for DR. BRIAN A ONEILL (MD) unless the record lists multiple sites.
How many locations tie to this NPI?
3 practice locations appear in the available data.

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