Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Caroline Diebler

Social Worker in Manassas, VA · enumerated 2022.

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

National Provider Identifier

1588384192

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Registry record

Entity type Individual (Type 1)

Name Caroline Diebler

Sex Female

Practice address 9320a Lee Ave, Manassas, VA, 20110

Phone (703) 792-6420

Enumeration date Sep 1, 2022

Last updated in NPPES Sep 1, 2022

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers 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 is the NPI number for Caroline Diebler?

The National Provider Identifier (NPI) for Caroline Diebler is 1588384192, a Type 1 (individual) record in the CMS NPPES registry.

Where does Caroline Diebler practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-09-01.