Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. David Arnold Larsen, M.D.

Surgery Physician in Newport, OR · enumerated 2007 · practices at Samaritan Pacific Health Services Inc.

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

National Provider Identifier

1205015518

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Registry record

Entity type Individual (Type 1)

Name Dr. David Arnold Larsen

Credential M.D.

Sex Male

Practice address 930 Sw Abbey St Ste A, Newport, OR, 97365

Phone (541) 265-8816

Enumeration date Nov 2, 2007

Last updated in NPPES Jan 5, 2026

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License 23934361205 (UT) Secondary

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License MD29363 (OR) 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 David Larsen?

David Larsen is registered in NPPES with the primary taxonomy of Surgery 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 2026-01-05.