Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Louis J Zinterhofer, MD PHD

Anatomic Pathology & Clinical Pathology Physician in Long Branch, NJ · enumerated 2006.

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

National Provider Identifier

1629134457

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Registry record

Entity type Individual (Type 1)

Name Louis J Zinterhofer

Credential MD PHD

Sex Male

Practice address Monmouth Medical Center Dept of Pathology, 300 Second Avenue, Long Branch, NJ, 07740

Phone (732) 229-8711

Fax (732) 229-0245

Enumeration date Dec 28, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

207ZP0102X Anatomic Pathology & Clinical Pathology Physician Allopathic & Osteopathic Physicians · License MA 27692 (NJ) Primary

Other identifiers

Identifier	Type	State	Issuer
3824705	Medicaid	NJ	-

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

Is NPI 1629134457 active?

Yes, as of the latest NPPES snapshot, NPI 1629134457 is active (record last updated 2007-07-08).

How do I verify Louis Zinterhofer's NPI record?

Cross-check NPI 1629134457 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Yong Kang Anatomic Pathology & Clinical Pathology Physician · Long Branch, NJ NPI 1609932433

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