Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Joel Katz, M.D

Hospitalist Physician in Newport Beach, CA · enumerated 2006.

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

National Provider Identifier

1881639052

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Registry record

Entity type Individual (Type 1)

Name Joel Katz

Credential M.D

Sex Male

Practice address 1 Hoag Dr, Newport Beach, CA, 92663

Phone (949) 610-7245

Fax (657) 241-7720

Enumeration date Jun 19, 2006

Last updated in NPPES May 8, 2017

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License A63938 (CA) Secondary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License A63938 (CA) 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
110241197	Other	CA	MEDICARE RAILROAD

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

How do I verify Joel Katz's NPI record?

Cross-check NPI 1881639052 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1881639052 active?

Yes, as of the latest NPPES snapshot, NPI 1881639052 is active (record last updated 2017-05-08).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-05-08.