Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Margaret Negrete, D.O.

Anesthesiology Physician in El Paso, TX · enumerated 2005.

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

National Provider Identifier

1033107479

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Registry record

Entity type Individual (Type 1)

Name Mrs. Margaret Negrete

Credential D.O.

Sex Female

Practice address 1801 N Oregon St, El Paso, TX, 79902

Phone (915) 521-1200

Fax (866) 862-5432

Enumeration date Oct 10, 2005

Last updated in NPPES Jun 11, 2024

Taxonomy & licenses

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License J2228 (TX) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
120438001	Medicaid	TX	-
U4273	Medicaid	NM	-
120438004	Medicaid	TX	-

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

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Margaret Negrete?

Margaret Negrete is registered in NPPES with the primary taxonomy of Anesthesiology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-06-11.