Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alexander Somers, DO

Pulmonary Disease Physician in Tucson, AZ · enumerated 2021.

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

National Provider Identifier

1306425582

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Registry record

Entity type Individual (Type 1)

Name Alexander Somers

Credential DO

Sex Male

Practice address 1501 N Campbell Ave, Tucson, AZ, 85724

Phone (520) 694-8888

Fax (520) 694-2353

Enumeration date Apr 6, 2021

Last updated in NPPES Jul 2, 2025

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 5151015032 (MI) Secondary

207RC0200X Critical Care Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License R3771 (AZ) Secondary

207RP1001X Pulmonary Disease Physician Allopathic & Osteopathic Physicians · License R3771 (AZ) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO 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 Alexander Somers?

The National Provider Identifier (NPI) for Alexander Somers is 1306425582, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alexander Somers practice?

The practice location on file with NPPES is in Tucson, AZ. 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 2025-07-02.