Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Stephen Philip Katz, M.D.

Specialist in Alexandria, LA · enumerated 2005.

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

National Provider Identifier

1972503415

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Registry record

Entity type Individual (Type 1)

Name Dr. Stephen Philip Katz

Credential M.D.

Sex Male

Practice address 3311 Prescott Rd, Suite 415, Alexandria, LA, 71301

Phone (318) 443-9300

Fax (318) 443-6512

Enumeration date Jul 27, 2005

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 020871 (LA) 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
1908606	Medicaid	LA	-

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 1972503415 active?

Yes, as of the latest NPPES snapshot, NPI 1972503415 is active (record last updated 2007-07-08).

How do I verify Stephen Katz's NPI record?

Cross-check NPI 1972503415 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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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.