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Dr. Michael Anthony Siegel, M.D.

Diagnostic Radiology Physician in Portland, OR · enumerated 2006.

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

National Provider Identifier

1548373608

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Registry record

Entity type Individual (Type 1)
Name Dr. Michael Anthony Siegel
Credential M.D.
Sex Male
Practice address 3500 N Interstate Ave, Portland, OR, 97227
Phone (502) 285-9321
Enumeration date Aug 15, 2006
Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License OR MD16692 (OR) Primary
2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License WA MD00029244 (WA) Secondary
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.

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Frequently asked questions

What specialty is Michael Siegel?
Michael Siegel is registered in NPPES with the primary taxonomy of Diagnostic Radiology 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 2007-07-08.