Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Mark L. Barnard MD LLC

Q: What is the NPI number for Mark L. Barnard MD LLC?

The NPI for Mark L. Barnard MD LLC is 1457516213, a Type 2 (organization) record in the CMS NPPES registry.

Pulmonary Disease Physician in Florence, SC · enumerated 2008 · authorized official Mark Barnard, Sole Member.

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

National Provider Identifier

1457516213

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Registry record

Entity type Organization (Type 2)

Legal business name Mark L. Barnard MD LLC

Practice address 121 E Cedar St, Florence, SC, 29506

Phone (843) 661-3499

Enumeration date Jul 22, 2008

Last updated in NPPES Jul 22, 2008

Taxonomy & classification

207RC0200X Critical Care Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 12671 (SC) Secondary

207RP1001X Pulmonary Disease Physician Allopathic & Osteopathic Physicians · License 12671 (SC) Primary

Authorized official

Name Mark Barnard

Title Sole Member

Phone (843) 669-5162

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

Who is the authorized official for Mark L. Barnard MD LLC?

NPPES lists Mark Barnard (Sole Member) as the authorized official for this organization.

What is the NPI number for Mark L. Barnard MD LLC?

The NPI for Mark L. Barnard MD LLC is 1457516213, a Type 2 (organization) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-07-22.