Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Margaret Armstrong, MD

Pediatrics Physician in Albuquerque, NM · enumerated 2006 · practices at Unm Hospital.

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

National Provider Identifier

1053328096

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Registry record

Entity type Individual (Type 1)

Name Margaret Armstrong

Credential MD

Sex Female

Practice address 1127 University Blvd Ne, Albuquerque, NM, 87102

Phone (505) 272-4244

Fax (505) 272-6500

Enumeration date Aug 2, 2006

Last updated in NPPES Nov 21, 2025

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 87-6 (NM) 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
07534	Medicaid	NM	-

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

What is the NPI number for Margaret Armstrong?

The National Provider Identifier (NPI) for Margaret Armstrong is 1053328096, a Type 1 (individual) record in the CMS NPPES registry.

Where does Margaret Armstrong practice?

The practice location on file with NPPES is in Albuquerque, NM. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-21.