Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Joan Sharon Hammond, NNP

Neonatal Nurse Practitioner in Fort Belvoir, VA · enumerated 2006.

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

National Provider Identifier

1942266812

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Registry record

Entity type Individual (Type 1)

Name Ms. Joan Sharon Hammond

Credential NNP

Sex Female

Practice address 9300 Dewitt Loop, Fort Belvoir, VA, 22060

Phone (571) 231-3264

Enumeration date Apr 21, 2006

Last updated in NPPES Oct 7, 2021

Taxonomy & licenses

363LN0000X Neonatal Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN54024 (DC) Secondary

363LN0000X Neonatal Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License R123978 (MD) Secondary

363LN0000X Neonatal Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 0024113275 (VA) Primary

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 specialty is Joan Hammond?

Joan Hammond is registered in NPPES with the primary taxonomy of Neonatal Nurse Practitioner. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-10-07.