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Search › California › Internal Medicine Physician

Brian O'Neill, M.D

NPI 1366425985 · on the registry since 2005

Practice

Address
150 Muir Rd
Martinez, CA 94553
Phone
(925) 372-2018
Fax
(925) 372-2020
Organisation at this address
Martinez Vamc
Martinez Vamc
Martinez Vamc
Department Of Veterans Affairs
Inferred from a shared address, not stated in the registry.
Clinicians at this address
287

Registry record

Primary taxonomy
Internal Medicine Physician
207R00000X
Licence states on file
CA
From the registry's licence fields, which are often incomplete.
Sex
Male
Record last updated
2026-07-13

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in California