Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Johnnie Shaffer, RN

Case Management Registered Nurse in Washington Grove, MD · enumerated 2026.

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

National Provider Identifier

1841133600

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Registry record

Entity type Individual (Type 1)

Name Johnnie Shaffer

Credential RN

Sex Male

Practice address 203 Grove Ave, Washington Grove, MD, 20880

Phone (540) 247-9697

Enumeration date Apr 14, 2026

Last updated in NPPES Apr 14, 2026

Taxonomy & licenses

163WC0400X Case Management Registered Nurse Nursing Service Providers · License 0001238171 (VA) Primary

RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN credential

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 Johnnie Shaffer?

The National Provider Identifier (NPI) for Johnnie Shaffer is 1841133600, a Type 1 (individual) record in the CMS NPPES registry.

Where does Johnnie Shaffer practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-04-14.