NPPES file of Aug 9, 2026

Jonathan Yoon, M.D.

Otolaryngology Physician · Saint Louis, MO

Jonathan Yoon, M.D. is an otolaryngology physician with a practice address in Saint Louis, Missouri, and NPI 1639518673, issued on Jun 24, 2013. Check the license (Missouri 2018007938, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; 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
1639518673
Name
Jonathan Yoon
Credential
M.D.
Primary taxonomy
Otolaryngology Physician 207Y00000X
License numbers
2018007938 MO
7006 NE
Self-reported in NPPES; status is on the state search
Practice location
9701 Landmark Parkway Dr Ste 201, Saint Louis, MO 63127
Phone
(314) 843-3828
Enumerated
Jun 24, 2013
Record last updated
Apr 23, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(314) 843-3052
Medicare enrollment
Enrolled (PECOS I20180808000932); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 9701 Landmark Parkway Dr Ste 201

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

  1. Allison Baeten, AU.D.Audiologist1477081875
  2. Courtney Delau, AUDAudiologist1922666585
  3. Diana Jarocki, AUDAudiologist1639868110
  4. Sophia Milhollin, SLPSpeech-Language Pathologist1164303699
  5. Megan Onder, FNP-CFamily Nurse Practitioner1821540311

Verify Jonathan Yoon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2018007938
    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 Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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38% more Medicare Part D claims than the average otolaryngology physician in 2024

748 Medicare Part D claims for 324 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. 36 claims were for opioids.

  1. Jonathan Yoon748
  2. Specialty average541

Most prescribed

  1. Omeprazole119 claims
  2. Fluticasone Propionate90 claims
  3. Azelastine Hcl68 claims
  4. Ipratropium Bromide57 claims
  5. Ofloxacin47 claims
  6. Famotidine42 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: $21.50

1 payment: food and beverage; the largest payer was Smith+Nephew, Inc. 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. Jonathan Yoon$21.50
  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.

2 hospitals and group practices

  1. Mercy Hospital PerryPerryville, MO · Critical Access Hospitals2 of 5 stars
  2. Gwent LLCSaint Louis, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Jonathan Yoon among 253 otolaryngology physician records in Missouri

Jonathan Yoon, M.D. is one of 253 otolaryngology physician records with a practice address in Missouri. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 61% of them.

  • NPI issued2013 · 61% of these records are older, 34% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2013 · median 2007 among the 148 with a school on file
  • Record last updated2020 · 48% 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in Missouri

There are 253 otolaryngology physician records in Missouri.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Bushra Ajaz, MSCCC-ASaint Louis, MO 631271588994321
  2. Robert Gaughan, M.D.Saint Louis, MO 631271720076987
  3. Scott Hardeman, M.D.Saint Louis, MO 631271770571721
  4. Richard Schrick, M.D.Saint Louis, MO 631271699763532
  5. Mark Stroble, M.D.Saint Louis, MO 631271023006087
  6. Laurence Levine, M.D.Saint Louis, MO 631261588675177
  7. Scott Skillington, MDSaint Louis, MO 631281366962201
  8. Steven West, M.D.St Louis, MO 631281982695888

Common questions

What is Jonathan Yoon, M.D.'s NPI number?

Jonathan Yoon, M.D.'s National Provider Identifier (NPI) is 1639518673, issued on Jun 24, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan Yoon, M.D. located?

The NPPES record lists a practice address at 9701 Landmark Parkway Dr Ste 201, Saint Louis, MO, 63127. Phone: (314) 843-3828. Providers update this record themselves, so call before visiting.

How can I verify Jonathan Yoon, M.D.'s license?

NPPES lists Missouri license number 2018007938, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jonathan Yoon, M.D. prescribe under Medicare Part D?

In 2024, Jonathan Yoon, M.D. had 748 Medicare Part D claims for 324 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.