NPI Portal NPI Lookup & Verification

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

Dr. Christopher James Nash, MD, EDM

Emergency Medicine Physician in Durham, NC · enumerated 2015 · practices at Duke University Health System Inc.

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

National Provider Identifier

1578956157

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Registry record

Entity type Individual (Type 1)
Name Dr. Christopher James Nash
Credential MD, EDM
Sex Male
Practice address Durham, NC, 27710
Phone (919) 684-8111
Enumeration date Mar 6, 2015
Last updated in NPPES Jul 20, 2023

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 281628 (MA) 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

Is NPI 1578956157 active?
Yes, as of the latest NPPES snapshot, NPI 1578956157 is active (record last updated 2023-07-20).
How do I verify Christopher Nash's NPI record?
Cross-check NPI 1578956157 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-07-20.