NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mr. Robert David Caldwell IV, LICSW

Clinical Social Worker in Reston, VA · enumerated 2007.

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

National Provider Identifier

1780890582

Verified

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Registry record

Entity type Individual (Type 1)
Name Mr. Robert David Caldwell IV
Credential LICSW
Sex Male
Practice address Reston, VA, 20190
Phone (703) 863-6140
Enumeration date May 16, 2007
Last updated in NPPES Sep 4, 2015

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License LC302452 (DC) Secondary
1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 090400280 (VA) Primary

Other identifiers

Identifier Type State Issuer
766367ZBR9 G02714 Other DC MEDICARE PTAN
766367ZBR9 G02714 Other VA MEDICARE PTAN

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.

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Frequently asked questions

What is the NPI number for Robert Caldwell?
The National Provider Identifier (NPI) for Robert Caldwell is 1780890582, a Type 1 (individual) record in the CMS NPPES registry.
Where does Robert Caldwell practice?
The practice location on file with NPPES is in Reston, VA. 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 2015-09-04.