Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Robert Loewenstein, MD

Emergency Medicine Physician in Jersey City, NJ · enumerated 2006.

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

National Provider Identifier

1750475687

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Registry record

Entity type Individual (Type 1)

Name Robert Loewenstein

Credential MD

Sex Male

Practice address 176 Palisade Ave, Christ Hospital, Jersey City, NJ, 07306

Phone (201) 795-8200

Enumeration date Oct 3, 2006

Last updated in NPPES Apr 14, 2008

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 25MA07192400 (NJ) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Robert Loewenstein practice?

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

What is the NPI number for Robert Loewenstein?

The National Provider Identifier (NPI) for Robert Loewenstein is 1750475687, 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 2008-04-14.