NPPES file of Aug 9, 2026

John R. Siddoway, MD

Otolaryngology Physician · Ogden, UT

John R. Siddoway, MD is an otolaryngology physician with a practice address in Ogden, Utah, and NPI 1356338388, issued on Oct 4, 2005. Check the license (Utah 185189-1205, as entered in NPPES) on the Utah Medical Licensing Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1356338388
Name
John R. Siddoway
Credential
MD
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
185189-1205 UT
Self-reported in NPPES; status is on the state search
Practice location
4650 Harrison Blvd, Ogden, UT 84403
Phone
(801) 475-3075
Enumerated
Oct 4, 2005
Record last updated
Jan 19, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(801) 475-3076
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 4650 Harrison Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Douglas Anderson, MDOtolaryngology Physician1790898807
  2. Elisabeth Anderson, PA-CPhysician Assistant1518955624
  3. Nadim Bikhazi, MDOtolaryngology Physician1588651152
  4. Laurel Brewer, CCC-AAudiologist1578551693
  5. Edward Brown, MDPediatrics Physician1861489445
  6. Amy Cain, CD, RDRegistered Dietitian1699763722

Verify John R. Siddoway in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersUtah Medical Licensing Board
    Search for license 185189-1205
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Utah license search

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39% fewer Medicare Part D claims than the average otolaryngology physician in 2024

329 Medicare Part D claims for 106 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. John Siddoway329
  2. Specialty average541

Most prescribed

  1. Montelukast Sodium64 claims
  2. Omeprazole41 claims
  3. Pantoprazole Sodium24 claims
  4. Prednisone24 claims
  5. Famotidine21 claims
  6. Triamterene-Hydrochlorothiazid19 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $210.62

11 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Siddoway$210.62
  2. Specialty average$1,922.50

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

John R. Siddoway among 118 otolaryngology physician records in Utah

John R. Siddoway, MD is one of 118 otolaryngology physician records with a practice address in Utah. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 89% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileNo · 64% of these records are
  • Record last updated2017 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Utah practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in Utah

There are 118 otolaryngology physician records in Utah.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Douglas Anderson, MDOgden, UT 844031790898807
  2. Stewart Barlow, MDOgden, UT 844031710977848
  3. Nadim Bikhazi, MDOgden, UT 844031588651152
  4. Luke Edelmayer, M.D.Ogden, UT 844031659723567
  5. Ronald Gordon, M.D.Ogden, UT 844031619082799
  6. Robert Moesinger, MDOgden, UT 844031154319473
  7. Michael Scheuller, M.D.Ogden, UT 844031336192566
  8. Michael Major, M.D.South Ogden, UT 844051558394783

Common questions

What is John R. Siddoway, MD's NPI number?

John R. Siddoway, MD's National Provider Identifier (NPI) is 1356338388, issued on Oct 4, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John R. Siddoway, MD located?

The NPPES record lists a practice address at 4650 Harrison Blvd, Ogden, UT, 84403. Phone: (801) 475-3075. Providers update this record themselves, so call before visiting.

How can I verify John R. Siddoway, MD's license?

NPPES lists Utah license number 185189-1205, as entered by the provider. Search the Utah Medical Licensing Board at https://secure.utah.gov/llv/search/index.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John R. Siddoway, MD prescribe under Medicare Part D?

In 2024, John R. Siddoway, MD had 329 Medicare Part D claims for 106 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.