Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
David J Delewski
Massage Therapist in Rockville, MD · enumerated 2025.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1376356261
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Registry record
Entity type Individual (Type 1)
Name David J Delewski
Sex Male
Practice address 14800 Physicians Ln Ste 231, Rockville, MD, 20850
Phone (301) 762-6686
Enumeration date Jan 27, 2025
Last updated in NPPES Jan 27, 2025
Taxonomy & licenses
225700000X Massage Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License MT2575 (DC) Secondary
225700000X Massage Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License M05797 (MD) 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 Delewski practice?
The practice location on file with NPPES is in Rockville, MD. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for David Delewski?
The National Provider Identifier (NPI) for David Delewski is 1376356261, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-01-27.