Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Judith T. Mccallum, OTR

Occupational Therapist in Mc Lean, VA · enumerated 2009 · practices at Skill Builders, LLC.

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

National Provider Identifier

1558595603

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Registry record

Entity type Individual (Type 1)

Name Judith T. Mccallum

Credential OTR

Sex Female

Practice address 1481 Chain Bridge Rd, Suite 102, Mc Lean, VA, 22101

Phone (703) 750-2443

Enumeration date May 5, 2009

Last updated in NPPES May 5, 2009

Taxonomy & licenses

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 0119000493 (VA) Primary

Other identifiers

Identifier	Type	State	Issuer
0119000493	Other	VA	OT LICENSE

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

Where does Judith Mccallum practice?

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

What is the NPI number for Judith Mccallum?

The National Provider Identifier (NPI) for Judith Mccallum is 1558595603, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Skill Builders, LLC Speech-Language Pathologist · Mc Lean, VA NPI 1508059221

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-05-05.