Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Charles Stefan Masarsky, DC

Chiropractor in Vienna, VA · enumerated 2006.

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

National Provider Identifier

1073672960

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Registry record

Entity type Individual (Type 1)

Name Charles Stefan Masarsky

Credential DC

Sex Male

Practice address 407 Church St Ne, C, Vienna, VA, 22180

Phone (703) 938-6441

Fax (703) 319-3978

Enumeration date Dec 6, 2006

Last updated in NPPES Apr 30, 2012

Taxonomy & licenses

111N00000X Chiropractor Chiropractic Providers · License 0104000365 (VA) Primary

DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders. About the DC 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.

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Frequently asked questions

What is the NPI number for Charles Masarsky?

The National Provider Identifier (NPI) for Charles Masarsky is 1073672960, a Type 1 (individual) record in the CMS NPPES registry.

Where does Charles Masarsky practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-04-30.