Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
David Maxwell Marshall
Massage Therapist in Everett, WA · enumerated 2025.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1891663951
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name David Maxwell Marshall
Sex Male
Practice address 10207 19th Ave Se, Everett, WA, 98208
Phone (425) 337-3166
Enumeration date Oct 29, 2025
Last updated in NPPES Oct 30, 2025
Taxonomy & licenses
225700000X Massage Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License MA61634821 (WA) 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.
Frequently asked questions
Where does David Marshall practice?
The practice location on file with NPPES is in Everett, WA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for David Marshall?
The National Provider Identifier (NPI) for David Marshall is 1891663951, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Teri Low Mcgavin Physical Therapist · Everett, WA NPI 1407803158 Rhea O'Connor Physical Therapist · Everett, WA NPI 1639111560 Integrated Rehabilitation Group, PC Physical Therapy Clinic/Center · Everett, WA NPI 1366488074 Integrated Rehab Group Limited Partnership Physical Therapist · Everett, WA NPI 1154680312 Richa Shah Physical Therapist · Everett, WA NPI 1427482769 Annamaria Sarosi Massage Therapist · Everett, WA NPI 1396107215 Norman Fuqua Massage Therapist · Everett, WA NPI 1801651575
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-10-30.