Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mason Lawrence Sheehan II, D.C.

Chiropractor in Midlothian, VA · enumerated 2009.

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

National Provider Identifier

1326285834

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Registry record

Entity type Individual (Type 1)

Name Mason Lawrence Sheehan II

Credential D.C.

Sex Male

Practice address 4906 Millridge Pkwy E, Midlothian, VA, 23112

Phone (804) 294-3265

Fax (804) 406-3703

Enumeration date Jan 21, 2009

Last updated in NPPES Nov 4, 2026

Taxonomy & licenses

111NR0400X Rehabilitation Chiropractor Chiropractic Providers · License 0104556661 (VA) Secondary

111N00000X Chiropractor Chiropractic Providers · License 0104556661 (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 Mason Sheehan?

The National Provider Identifier (NPI) for Mason Sheehan is 1326285834, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mason Sheehan practice?

The practice location on file with NPPES is in Midlothian, 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 2026-11-04.