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

John R Siddoway, MD

Individual provider Otolaryngology Physician · NPI 1356338388

John R Siddoway, MD is an Otolaryngology Physician in Ogden, Utah. Licensed in Utah. Registered with an NPI since 2005.

Licensed in
UT
In the registry since
2005
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

4650 Harrison Blvd
Ogden, UT 84403-4303
Phone: (801) 475-3075
Fax: (801) 475-3076
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence 185189-1205 (UT)

Record details

NPI number1356338388
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 4, 2005
Last updated in NPPESJanuary 19, 2017
Mailing addressPo Box 5546, Denver, CO 80217-5546

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