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Alden Leifer, MD

Ophthalmology Physician in Paterson, NJ · enumerated 2006.

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

National Provider Identifier

1093740375

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Registry record

Entity type Individual (Type 1)
Name Alden Leifer
Credential MD
Sex Male
Practice address 680 Broadway, Suite 114, Paterson, NJ, 07514
Phone (973) 742-4747
Fax (973) 742-0629
Enumeration date Jul 12, 2006
Last updated in NPPES Mar 7, 2017

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License MA46643 (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
0357405 Medicaid NJ -
058625 Other NJ MEDICARE PTAN

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

Where does Alden Leifer practice?
The practice location on file with NPPES is in Paterson, NJ. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Alden Leifer?
The National Provider Identifier (NPI) for Alden Leifer is 1093740375, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-03-07.