Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Hackensack Internal Medicine Specialists, P.A.

Internal Medicine Physician in Hackensack, NJ · enumerated 2007 · authorized official Mary Kelly, Managing Employee / Official.

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

National Provider Identifier

1427241801

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Registry record

Entity type Organization (Type 2)

Legal business name Hackensack Internal Medicine Specialists, P.A.

Practice address 155 Polifly Rd, Suite 207, Hackensack, NJ, 07601

Phone (201) 489-9119

Fax (201) 489-3633

Enumeration date Aug 20, 2007

Last updated in NPPES Aug 20, 2007

Taxonomy & classification

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Mary Kelly

Title Managing Employee / Official

Phone (201) 489-9119

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

Who is the authorized official for Hackensack Internal Medicine Specialists, P.A.?

NPPES lists Mary Kelly (Managing Employee / Official) as the authorized official for this organization.

What is the NPI number for Hackensack Internal Medicine Specialists, P.A.?

The NPI for Hackensack Internal Medicine Specialists, P.A. is 1427241801, a Type 2 (organization) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-08-20.