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Otolaryngology

Jonathan Yoon, MD

Works at hospitals in Crystal City, MO · Perryville, MO · Saint Louis, MO … · Missouri

Summary

Jonathan Yoon, MD (Otolaryngology) is listed by Medicare at 5 hospitals in Crystal City, MO, Perryville, MO and Saint Louis, MO and other places. NPI 1639518673. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jonathan Yoon, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

OtolaryngologyPrimary specialty
YesAccepts Medicare assignment
13Years since medical school (graduated 2013)
MaleGender (as listed)
Southeast Missouri Hospital Physicians LLCGroup practice (+2 more)

Quick answers

Which hospitals does Jonathan Yoon work at?
Medicare's official clinician data lists Jonathan Yoon at 5 hospitals: Mercy Hospital Jefferson, Mercy Hospital Perry, Mercy Hospital South, Mercy Hospital St Louis and St Lukes Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jonathan Yoon see patients?
Medicare's clinician data lists 10 practice locations, including Perryville, MO, Cape Girardeau, MO and Saint Louis, MO. Call before your visit to confirm the address.
What is Jonathan Yoon's specialty?
Medicare lists Otolaryngology as the primary specialty.
Does Jonathan Yoon accept Medicare assignment?
Yes. Medicare's clinician data says Jonathan Yoon accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Jonathan Yoon?
(573) 768-3399, as listed in official Medicare / NPI Registry data.
What is Jonathan Yoon's NPI number?
1639518673. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jonathan Yoon works

Medicare's Facility Affiliation Data lists Jonathan Yoon at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Jonathan Yoon is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 10; the Medicare profile lists all.

Group practices

Medicare enrollment lists Jonathan Yoon as a member of these groups (CMS data updated 2026-10-02).

  • Southeast Missouri Hospital Physicians LLC209 clinicians in the group
  • Mercy Hospital Perry117 clinicians in the group
  • Gwent LLC13 clinicians in the group

Specialties

Find other Otolaryngology doctors in Missouri →

Other ENT doctors in Perryville

Clinicians with the same Medicare primary specialty in Perryville, MO — not a recommendation.

All ENT doctors in Perryville →

Clinician information

CredentialMD
Graduation year2013
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639518673
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians