Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Michael John Matteucci, M.D.

Emergency Medicine Physician in Jacksonville, FL · enumerated 2006.

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

National Provider Identifier

1265403406

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Registry record

Entity type Individual (Type 1)

Name Dr. Michael John Matteucci

Credential M.D.

Sex Male

Practice address Jacksonville, FL, 32212

Phone (877) 722-4373

Enumeration date Jan 27, 2006

Last updated in NPPES Oct 21, 2015

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License A64549 (CA) Primary

207PT0002X Medical Toxicology (Emergency Medicine) Physician Allopathic & Osteopathic Physicians · License A64549 (CA) Secondary

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
00A645490	Medicaid	CA	-

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

How do I verify Michael Matteucci's NPI record?

Cross-check NPI 1265403406 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1265403406 active?

Yes, as of the latest NPPES snapshot, NPI 1265403406 is active (record last updated 2015-10-21).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-10-21.