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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Richard Francis Duff III, M.D.

Pulmonary Disease Physician in Myrtle Beach, SC · enumerated 2007.

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

National Provider Identifier

1447392444

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Registry record

Entity type Individual (Type 1)
Name Dr. Richard Francis Duff III
Credential M.D.
Sex Male
Practice address 906 Medical Cir, Myrtle Beach, SC, 29572
Phone (843) 497-5929
Fax (843) 839-1037
Enumeration date Feb 13, 2007
Last updated in NPPES Oct 2, 2023

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 35655 (SC) Secondary
207RC0200X Critical Care Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 35655 (SC) Secondary
207RP1001X Pulmonary Disease Physician Allopathic & Osteopathic Physicians · License 35655 (SC) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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 Richard Duff?
The National Provider Identifier (NPI) for Richard Duff is 1447392444, a Type 1 (individual) record in the CMS NPPES registry.
Where does Richard Duff practice?
The practice location on file with NPPES is in Myrtle Beach, SC. 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 2023-10-02.