Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Christopher Robert Marrow, PT

Physical Therapist in Fairfax, VA · enumerated 2006.

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

National Provider Identifier

1609831510

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Registry record

Entity type Individual (Type 1)

Name Christopher Robert Marrow

Credential PT

Sex Male

Practice address 8505 Arlington Blvd, Ste 310, Fairfax, VA, 22031

Phone (703) 204-0694

Fax (703) 204-1483

Enumeration date Apr 20, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 2305203846 (VA) Primary

PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation. About the PT 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 Christopher Marrow?

The National Provider Identifier (NPI) for Christopher Marrow is 1609831510, a Type 1 (individual) record in the CMS NPPES registry.

Where does Christopher Marrow practice?

The practice location on file with NPPES is in Fairfax, 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 2007-07-08.