Quick answers
- Which hospitals does Youngsook Yoon work at?
- Medicare's official clinician data lists Youngsook Yoon at 3 hospitals: Mercy St Vincent Medical Center, ProMedica Toledo Hospital and University of Toledo Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Youngsook Yoon see patients?
- Medicare's clinician data lists 2 practice locations, including Bellevue, OH and Toledo, OH. Call before your visit to confirm the address.
- What is Youngsook Yoon's specialty?
- Medicare lists Pulmonary Disease as the primary specialty.
- Does Youngsook Yoon accept Medicare assignment?
- Yes. Medicare's clinician data says Youngsook 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 Youngsook Yoon?
- (419) 484-4040, as listed in official Medicare / NPI Registry data.
- What is Youngsook Yoon's NPI number?
- 1023004272. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Youngsook Yoon works
Medicare's Facility Affiliation Data lists Youngsook Yoon at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy St Vincent Medical CenterToledo, OH · Acute Care Hospital · CCN 360112
- ProMedica Toledo HospitalToledo, OH · Acute Care Hospital · CCN 360068
- University of Toledo Medical CenterToledo, OH · Acute Care Hospital · CCN 360048
Practice locations
Addresses where Youngsook Yoon is enrolled with Medicare (CMS data updated 2026-10-02).
- 1355 W Main StBellevue, OH 44811 (419) 484‑4040
- 2100 W Central Ave, Suite 200Toledo, OH 43606 (567) 420‑1600
Group practices
Medicare enrollment lists Youngsook Yoon as a member of this group (CMS data updated 2026-10-02).
- University of Toledo Physicians LLC403 clinicians in the group
Specialties
- Pulmonary Diseaseprimary
Other pulmonologists in Ohio
Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1984 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023004272 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians