Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Elizabeth Ann Bartrum, RN CRNP

Registered Nurse in Bethesda, MD · enumerated 2006.

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

National Provider Identifier

1861455685

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Registry record

Entity type Individual (Type 1)

Name Ms. Elizabeth Ann Bartrum

Credential RN CRNP

Sex Female

Practice address 9000 Rockville Pike, National Institutes of Health Bldg 10 Crc Room 6-5700, Bethesda, MD, 20892

Phone (301) 496-4040

Enumeration date Apr 11, 2006

Last updated in NPPES Sep 11, 2025

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 0001174178 (VA) Primary

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN964379 (DC) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License AC000147 (MD) Secondary

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 1861455685 active?

Yes, as of the latest NPPES snapshot, NPI 1861455685 is active (record last updated 2025-09-11).

How do I verify Elizabeth Bartrum's NPI record?

Cross-check NPI 1861455685 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 2025-09-11.