Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Julie O Dennis, M.D.

Surgery Physician in Burlington, MA · enumerated 2007.

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

National Provider Identifier

1336293760

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Registry record

Entity type Individual (Type 1)

Name Julie O Dennis

Credential M.D.

Sex Female

Practice address 41 Mall Rd, Lahey Clinic, Burlington, MA, 01805

Phone (781) 744-8580

Fax (781) 744-5253

Enumeration date Jan 23, 2007

Last updated in NPPES May 3, 2023

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 225335 (MA) Secondary

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 16678 (NH) Secondary

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 237770 (MA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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.

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Frequently asked questions

How do I verify Julie Dennis's NPI record?

Cross-check NPI 1336293760 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1336293760 active?

Yes, as of the latest NPPES snapshot, NPI 1336293760 is active (record last updated 2023-05-03).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-05-03.