Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Christian Andrew Sonnefeld, MD

Neurology Physician in Concord, NC · enumerated 2007.

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

National Provider Identifier

1760532170

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Registry record

Entity type Individual (Type 1)

Name Christian Andrew Sonnefeld

Credential MD

Sex Male

Practice address 315 Medical Park Dr, Ste 202, Concord, NC, 28025

Phone (704) 403-1911

Enumeration date Jan 11, 2007

Last updated in NPPES Jul 15, 2024

Taxonomy & licenses

2084N0600X Clinical Neurophysiology Physician Allopathic & Osteopathic Physicians · License 2013-00358 (NC) Secondary

2084N0400X Neurology Physician Allopathic & Osteopathic Physicians · License 2013-00358 (NC) 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 specialty is Christian Sonnefeld?

Christian Sonnefeld is registered in NPPES with the primary taxonomy of Neurology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-07-15.