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Aaron T Thornburg, DO

Critical Care Medicine (Internal Medicine) Physician in Phoenix, AZ · enumerated 2006 · practices at Osborn Ambulatory Surgical Center.

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

National Provider Identifier

1669425245

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Registry record

Entity type Individual (Type 1)
Name Aaron T Thornburg
Credential DO
Sex Male
Practice address 3330 N 2nd St Ste 300, Phoenix, AZ, 85012
Phone (602) 274-7195
Fax (602) 274-7097
Enumeration date May 18, 2006
Last updated in NPPES Jun 22, 2020

Taxonomy & licenses

207RC0200X Critical Care Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 5017 (AZ) Secondary
207RC0200X Critical Care Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 100-321 (WI) Secondary
207RP1001X Pulmonary Disease Physician Allopathic & Osteopathic Physicians · License 02002916A (IN) Secondary
207RP1001X Pulmonary Disease Physician Allopathic & Osteopathic Physicians · License 5017 (AZ) Secondary
207RC0200X Critical Care Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 20A16041 (CA) 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

Other identifiers

Identifier Type State Issuer
332020 Medicaid AZ -

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 Aaron Thornburg?
Aaron Thornburg is registered in NPPES with the primary taxonomy of Critical Care Medicine (Internal Medicine) Physician. 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 2020-06-22.