Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. David S Mattson, MS, APRN-BC

Family Nurse Practitioner in Scottsdale, AZ · enumerated 2005 · practices at Walgreen Co.

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

National Provider Identifier

1851392047

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Registry record

Entity type Individual (Type 1)

Name Mr. David S Mattson

Credential MS, APRN-BC

Sex Male

Practice address 15025 N Thompson Peak Pkwy, Scottsdale, AZ, 85260

Phone (480) 459-2893

Fax (480) 767-2549

Enumeration date Aug 10, 2005

Last updated in NPPES Jun 6, 2013

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN047987 (AZ) Primary

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

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.

What specialty is David Mattson?

David Mattson is registered in NPPES with the primary taxonomy of Family Nurse Practitioner. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-06-06.