Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Donald J Mclellan, DDS

General Practice Dentistry in Westwood, MA · enumerated 2006 · practices at Westwood Dental Group, LLC.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1144253220

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Registry record

Entity type Individual (Type 1)

Name Dr. Donald J Mclellan

Credential DDS

Sex Male

Practice address 551 High St, Westwood, MA, 02090

Phone (781) 326-9125

Fax (781) 326-5475

Enumeration date Jul 9, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License 9676 (MA) Primary

DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

How do I verify Donald Mclellan's NPI record?

Cross-check NPI 1144253220 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1144253220 active?

Yes, as of the latest NPPES snapshot, NPI 1144253220 is active (record last updated 2007-07-08).

Other providers at this practice address

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Westwood Dental Group, LLC Dentist · Westwood, MA NPI 1184248239

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.