Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jeffrey Lefkowitz, MD

Gastroenterology Physician in Fair Lawn, NJ · enumerated 2006.

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

National Provider Identifier

1790757870

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Registry record

Entity type Individual (Type 1)

Name Jeffrey Lefkowitz

Credential MD

Sex Male

Practice address 11-26 Saddle River Rd, Fair Lawn, NJ, 07410

Phone (201) 796-9200

Fax (201) 796-7606

Enumeration date Feb 3, 2006

Last updated in NPPES Sep 8, 2008

Taxonomy & licenses

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License MA049671 (NJ) Primary

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

Other identifiers

Identifier	Type	State	Issuer
576659	Other	NJ	CROWN CORK AND SEAL
001445954001	Other	NJ	UNITED HEALTHCARE
13B96	Other	-	WELLCHOICE
P667520	Other	NJ	OXFORD
13B96	Other	-	EMPIRE BLUE CROSS
5509384	Other	NJ	AETNA
0K1680	Other	NJ	HEALTHNET
37833043	Other	-	MVP

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

What is the NPI number for Jeffrey Lefkowitz?

The National Provider Identifier (NPI) for Jeffrey Lefkowitz is 1790757870, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jeffrey Lefkowitz practice?

The practice location on file with NPPES is in Fair Lawn, NJ. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-09-08.