William O'connor, M.D

ActiveIndividual ProviderInternal Medicine
NPI issued: November 8, 2005

Quick Facts

NPI Number
1699756650
TypeIndividual
StatusActive
SpecialtyInternal Medicine
Taxonomy207R00000X — Internal Medicine
Phone
(508) 865-9960
StateMA

NPI Validation Status: Verified

✅Valid 10-digit NPI number (1699756650)
✅Active status confirmed
✅Verified by CMS NPPES Registry
✅HIPAA compliant identifier
✅Enumeration date on file (November 8, 2005)
Data source: CMS NPPES

Provider Overview

WILLIAM O'CONNOR, M.D is a Internal Medicine provider based in Millbury, MA who has been registered with CMS since 2005. This NPI is currently Active under CMS NPPES registry.

Provider Details

NPI Number1699756650
Provider TypeIndividual Provider
GenderMale
CredentialM.D
StatusActive
Enumeration DateNovember 8, 2005

Practice Location

CityMillbury
StateMA
ZIP Code01527-3266
Phone(508) 865-9960

Specialties & Licenses

★ Primary
SpecialtyInternal Medicine
Taxonomy Code207R00000X
License StateMA

Mailing Address

CityMillbury
StateMA
ZIP Code01527-3266
Phone(508) 865-9960
Same as practice location

How to Use This NPI

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For Insurance Billing

Use NPI 1699756650 in Box 33 of the CMS-1500 claim form. This number is required by all major insurance carriers to identify the billing provider and process electronic medical claims.

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For Credentialing

Reference NPI 1699756650for provider credential verification. Hospital systems, state licensing boards, and CAQH directories query this number to verify the provider's active clinical status.

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For Patients

Share NPI 1699756650 with your insurance company. If you need to verify out-of-network benefits or file a reimbursement claim, your insurance provider will require this number to process it.

About Internal Medicine

Internal Medicine physicians (internists) specialize in the prevention, diagnosis, and nonsurgical treatment of adult illnesses, managing complex chronic conditions and multi-system diseases.

Browse all Internal Medicineproviders →
📊
213,549
Internal Medicine Providers in the US

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People Also Ask

What is William O'connor's NPI number?
William O'connor's NPI number is 1699756650, a unique 10-digit identifier issued by the Centers for Medicare & Medicaid Services (CMS).
Is William O'connor's NPI currently active?
Yes, William O'connor's NPI status is Active as of the latest CMS NPPES database updates.
What does William O'connor specialize in?
William O'connor specializes in Internal Medicine. The healthcare taxonomy code associated with this specialty is 207R00000X.
Where does William O'connor practice?
William O'connor practices in Millbury, MA 01527-3266.
When was William O'connor's NPI issued?
William O'connor's NPI was issued on November 8, 2005.
What is William O'connor's provider type?
William O'connor is registered as an Individual Provider under CMS NPI Type 1.