Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Benjamin Duncan, MD

Emergency Medicine Physician in Cincinnati, OH · enumerated 2016.

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

National Provider Identifier

1982054144

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Registry record

Entity type Individual (Type 1)

Name Benjamin Duncan

Credential MD

Sex Male

Practice address Cincinnati, OH, 45219

Phone (513) 558-5281

Enumeration date Jun 20, 2016

Last updated in NPPES Jun 8, 2020

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 4301118988 (MI) Secondary

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care · License 4301110138 (MI) Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 35138780 (OH) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Benjamin Duncan?

The National Provider Identifier (NPI) for Benjamin Duncan is 1982054144, a Type 1 (individual) record in the CMS NPPES registry.

Where does Benjamin Duncan practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-06-08.