Dr. William T O'Connor, MD
Internal Medicine in Millbury, Massachusetts
1699756650- Practice location
- 65 Canal St, Millbury, MA 01527-3266
- Phone
- 508-865-9960
- Fax
- —
- Last updated
- July 13, 2026
William T O'Connor is an Internal Medicine based in Millbury, MA. William T O'Connor practices in Millbury, MA and has the professional credentials of MD. The NPI Number for William T O'Connor is 1699756650 and holds a License No. 38138 (MA). The current practice location address for William T O'Connor is 65 Canal St, Millbury, MA 01527-3266 and can be reached out via phone at 508-865-9960.
Provider Profile Details
- NPI Number
- 1699756650
- Provider Name
- William T O'Connor
- Credential
- MD
- Provider Entity Type
- Individual
- Gender
- Male
- Address
- 65 Canal St, Millbury, MA 01527-3266
- Phone Number
- 508-865-9960
- Primary Taxonomy
- Internal Medicine · 207R00000X
- Sole Proprietor
- No
- Provider Enumeration Date
- November 8, 2005
- Last Update Date
- July 13, 2026
- NPI Status
- Active
Provider Business Practice Location Address Details
- Address
- 65 Canal St
Millbury, MA 01527-3266 - City
- Millbury
- State
- Massachusetts
- Zip
- 01527-3266
- Phone Number
- 508-865-9960
Provider Business Mailing Address Details
- Address
- Po Box 62
Turnpike Station
Shrewsbury, MA 01545-0062 - City
- Shrewsbury
- State
- MA
- Zip
- 01545-0062
- Phone Number
- 508-334-8815
- Fax Number
- 508-334-5374
License Information
- License Number
- 38138
- License State
- MA
- Taxonomy
- Internal Medicine · 207R00000X · Primary
Legacy Identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| No legacy identifiers (Medicaid, Medicare or plan IDs) are on file for this provider. | |||
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Frequently Asked Questions
What is the NPI number of Dr. William T O'Connor, MD?
The NPI number of Dr. William T O'Connor, MD is 1699756650. It was assigned on November 8, 2005 and is currently active in the NPPES registry.
What is the specialty of Dr. William T O'Connor, MD?
Dr. William T O'Connor, MD is registered under the primary taxonomy Internal Medicine (code 207R00000X), licensed in MA under license number 38138.
Where does Dr. William T O'Connor, MD practice?
The practice location is 65 Canal St, Millbury, MA 01527-3266. The office can be reached at 508-865-9960 (phone).
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). It is used in HIPAA standard transactions.
How do I verify this NPI record?
This record is sourced from the public NPPES NPI Registry maintained by CMS. You can confirm it by searching NPI 1699756650 directly on the NPPES registry website.