Quick answers
- Which hospitals does John Yang work at?
- Medicare's official clinician data lists John Yang at 5 hospitals: Aspirus Wausau Hospital, MC Donough District Hospital, Sarah Bush Lincoln Health Center, Sarah D Culbertson Memorial Hospital and St Anthonys Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Yang see patients?
- Medicare's clinician data lists 5 practice locations, including Effingham, IL and Springfield, IL. Call before your visit to confirm the address.
- What is John Yang's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does John Yang accept Medicare assignment?
- Yes. Medicare's clinician data says John Yang 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 John Yang?
- (217) 528-7541, as listed in official Medicare / NPI Registry data.
- What is John Yang's NPI number?
- 1093759417. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John Yang works
Medicare's Facility Affiliation Data lists John Yang at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Aspirus Wausau HospitalWausau, WI · Acute Care Hospital · CCN 520030
- MC Donough District HospitalMacomb, IL · Acute Care Hospital · CCN 140089
- Sarah Bush Lincoln Health CenterMattoon, IL · Acute Care Hospital · CCN 140189
- Sarah D Culbertson Memorial HospitalRushville, IL · Critical Access Hospital · CCN 141333
- St Anthonys Memorial HospitalEffingham, IL · Acute Care Hospital · CCN 140032
Practice locations
Addresses where John Yang is enrolled with Medicare (CMS data updated 2026-10-02).
- 300 N MapleEffingham, IL 62401 (217) 528‑7541
- 300 N Maple St PO BoxEffingham, IL 62401
- 300 N Maple St PO Box, Suite 1268Effingham, IL 62401
- 775 Engineering AveSpringfield, IL 62703 (217) 522‑4300
- 801 W Temple AveEffingham, IL 62401 (217) 528‑7541
Group practices
Medicare enrollment lists John Yang as a member of these groups (CMS data updated 2026-10-02).
- Springfield Clinic, LLP687 clinicians in the group
- Marshall Clinic Effingham S C14 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Illinois →
Other cardiologists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Missouri, Columbia School Of Medicine |
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1093759417 |
| 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