DR. JOHN WILLIAM O'BRIEN (M.D.) – Physical Medicine & Rehabilitation Physician, NPI 1447288741

DR. JOHN WILLIAM O'BRIEN (M.D.) is a healthcare provider. based in Wallingford, Connecticut. specializing in Physical Medicine & Rehabilitation Physician. They hold the professional credentials M.D.. They hold a License No. 024998 (CT). The NPI Number for DR. JOHN WILLIAM O'BRIEN (M.D.) is 1447288741

Main info

Male
Name
DR. JOHN WILLIAM O'BRIEN (M.D.)
NPI
1447288741
Phone
(203) 284-2800
Address
GAYLORD FARM RD.
Enumeration Date
28 June 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. JOHN WILLIAM O'BRIEN (M.D.)

  • Gaylord Farm Road, Wallingford, South Central Connecticut Planning Region, Connecticut, 06492, United States

    PO BOX 400

    WALLINGFORD, CT 06492

    Phone: (203) 284-2800

    Fax: (203) 679-3598

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

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Medicare Enrollment & Revalidation

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Medicare Utilization (FFS)

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

Insurance plans in this area (ZIP 06492)

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Reviews

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Frequently asked questions

How do payers reference DR. JOHN WILLIAM O'BRIEN (M.D.)?
For DR. JOHN WILLIAM O'BRIEN (M.D.), use NPI 1447288741 as the unique 10-digit identifier.
Is DR. JOHN WILLIAM O'BRIEN (M.D.) shown as active in public data?
Registry records indicate DR. JOHN WILLIAM O'BRIEN (M.D.) maintains an active NPI.
What kind of doctor is DR. JOHN WILLIAM O'BRIEN (M.D.)?
DR. JOHN WILLIAM O'BRIEN (M.D.) is associated with Physical Medicine & Rehabilitation Physician in the directory — Clinical services aligned with this taxonomy classification.
What locale is associated with DR. JOHN WILLIAM O'BRIEN (M.D.)?
Directory geography for DR. JOHN WILLIAM O'BRIEN (M.D.) centers on Wallingford, Connecticut.
When was this NPI issued?
Enumeration for DR. JOHN WILLIAM O'BRIEN (M.D.) is noted as June 28, 2006 where the registry provides it.

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