Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Maria Carmen G. Diaz, MD

Pediatric Emergency Medicine (Emergency Medicine) Physician in Wilmington, DE · enumerated 2006.

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

National Provider Identifier

1457442733

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Registry record

Entity type Individual (Type 1)

Name Dr. Maria Carmen G. Diaz

Credential MD

Sex Female

Practice address 1600 Rockland Road, Nemours/Dupont Hospital for Children, Wilmington, DE, 19803

Phone (302) 651-4000

Fax (302) 651-4945

Enumeration date Sep 28, 2006

Last updated in NPPES Jan 6, 2012

Taxonomy & licenses

207PP0204X Pediatric Emergency Medicine (Emergency Medicine) Physician Allopathic & Osteopathic Physicians · License C10007279 (DE) Primary

2080P0204X Pediatric Emergency Medicine (Pediatrics) Physician Allopathic & Osteopathic Physicians · License C10007279 (DE) 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
101141605	Medicaid	PA	-
0033812	Medicaid	NJ	-
Q07279	Medicaid	SC	-
4050649	Medicaid	MD	-
02656288	Medicaid	NY	-

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 1457442733 active?

Yes, as of the latest NPPES snapshot, NPI 1457442733 is active (record last updated 2012-01-06).

How do I verify Maria Carmen Diaz's NPI record?

Cross-check NPI 1457442733 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 2012-01-06.