DR. WILLIAM T O'CONNOR (M.D.) – Internal Medicine Physician, NPI 1699756650

DR. WILLIAM T O'CONNOR (M.D.) is a healthcare provider. based in Shrewsbury, Massachusetts. specializing in Internal Medicine Physician. They hold the professional credentials M.D.. They hold a License No. 38138 (MA). The NPI Number for DR. WILLIAM T O'CONNOR (M.D.) is 1699756650

Main info

Male
Name
DR. WILLIAM T O'CONNOR (M.D.)
NPI
1699756650
Phone
(508) 334-8815
Address
PO BOX 62
Enumeration Date
8 November 2005
Last Update Date
8 July 2007
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for DR. WILLIAM T O'CONNOR (M.D.)

  • PO BOX 62

    TURNPIKE STATION

    SHREWSBURY, MA 015450062

    Phone: (508) 334-8815

    Fax: (508) 334-5374

    Type: Mailing

  • Spark Millbury, 65, Canal Street, Millbury, Worcester County, Massachusetts, 01527, United States

    MILLBURY, MA 015273266

    Phone: (508) 865-9960

    Type: Location

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 01545)

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Frequently asked questions

How do I look up DR. WILLIAM T O'CONNOR (M.D.) by NPI?
Use NPI 1699756650 when you need to reference DR. WILLIAM T O'CONNOR (M.D.) in forms, claims, or directories.
Is DR. WILLIAM T O'CONNOR (M.D.)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
Does DR. WILLIAM T O'CONNOR (M.D.) list a primary specialty?
If you are matching referrals, note Internal Medicine Physician for DR. WILLIAM T O'CONNOR (M.D.). Clinical services aligned with this taxonomy classification.
Where is DR. WILLIAM T O'CONNOR (M.D.)'s primary listing?
We display Shrewsbury, Massachusetts because that is what the record indicates for DR. WILLIAM T O'CONNOR (M.D.).
What if Shrewsbury, Massachusetts seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

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