Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John Siebert, MD

Individual provider Diagnostic Radiology Physician · NPI 1356485130

John Siebert, MD is a Diagnostic Radiology Physician in Denver, Colorado. Licensed in Colorado. Registered with an NPI since 2007.

Licensed in
CO
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2045 Franklin St
Denver, CO 80205-5437
Phone: (303) 338-4545
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 25749 (CO)

Record details

NPI number1356485130
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 16, 2007
Last updated in NPPESDecember 7, 2012
Mailing address2045 Franklin St, Denver, CO 80205-5437

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