Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Denville Oral & Maxillofacial Surgeons PA

Oral and Maxillofacial Pathology Dentistry in Denville, NJ · enumerated 2007 · authorized official Robert Gorzelnik, Owner.

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

National Provider Identifier

1861524100

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Registry record

Entity type Organization (Type 2)

Legal business name Denville Oral & Maxillofacial Surgeons PA

Practice address 35 W Main St, Suite 101, Denville, NJ, 07834

Phone (973) 627-6006

Fax (973) 627-4337

Enumeration date Mar 12, 2007

Last updated in NPPES Aug 22, 2020

Taxonomy & classification

1223P0106X Oral and Maxillofacial Pathology Dentistry Dental Providers · License 7621 (NJ) Primary

Authorized official

Name Robert Gorzelnik

Title Owner

Phone (973) 627-6006

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

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is Denville Oral & Maxillofacial Surgeons PA?

Denville Oral & Maxillofacial Surgeons PA is registered in NPPES as a Oral and Maxillofacial Pathology Dentistry (its primary provider taxonomy).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-22.