DR. LARRY EUGENE O'CONNOR (MD) – Diagnostic Radiology Physician, NPI 1497789952

DR. LARRY EUGENE O'CONNOR (MD) is a healthcare provider. based in Martinez, California. specializing in Diagnostic Radiology Physician. They hold the professional credentials MD. They hold a License No. C33388 (CA). The NPI Number for DR. LARRY EUGENE O'CONNOR (MD) is 1497789952

Main info

Male
Name
DR. LARRY EUGENE O'CONNOR (MD)
NPI
1497789952
Phone
(925) 372-2751
Address
150 MUIR RD
Enumeration Date
10 July 2006
Last Update Date
8 July 2007
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for DR. LARRY EUGENE O'CONNOR (MD)

  • Martinez Outpatient Clinic, 150, Muir Road, Martinez, Contra Costa County, California, 94553, United States

    MARTINEZ, CA 945534668

    Phone: (925) 372-2751

    Fax: (925) 370-4164

    Type: Location

  • 5, Middle Road, Lafayette, Contra Costa County, California, 94549, United States

    LAFAYETTE, CA 945493325

    Phone: (925) 372-2751

    Fax: (925) 370-4164

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $28.

Total Amount is formed as General ($28) + Research ($0) + Ownership ($0) = $28.

Last reported payment date: 2023-10-31 • Largest payer in this snapshot: ARGENX US, INC. ($28).

Total Amount

$28

General + Research + Ownership

Payments

1

Total payment records

General Amount

$28

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-10-31

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
ARGENX US, INC.$28
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.

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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 94553)

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Reviews

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Frequently asked questions

Is DR. LARRY EUGENE O'CONNOR (MD) listed with a National Provider Identifier?
Yes — DR. LARRY EUGENE O'CONNOR (MD) has NPI 1497789952 on file in the registry.
Active or inactive — what applies to DR. LARRY EUGENE O'CONNOR (MD)?
You should see DR. LARRY EUGENE O'CONNOR (MD) as active in CMS-hosted NPPES data.
What expertise is attributed to DR. LARRY EUGENE O'CONNOR (MD)?
DR. LARRY EUGENE O'CONNOR (MD)'s specialty line reads Diagnostic Radiology Physician. Clinical services aligned with this taxonomy classification.
What practice footprint exists for DR. LARRY EUGENE O'CONNOR (MD)?
Travel planning: use Martinez, California as the reference point for DR. LARRY EUGENE O'CONNOR (MD), then confirm.
Can I trust this NPI listing for DR. LARRY EUGENE O'CONNOR (MD)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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