Quick answers
- Does Chein-Jung Lin accept Medicare assignment?
- Yes. Medicare's clinician data says Chein-Jung Lin accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Chein-Jung Lin see?
- In 2024, CMS data shows 1,092 Original Medicare patients and 1,982 services for Chein-Jung Lin. This counts Original Medicare only and measures volume, not quality.
- What is Chein-Jung Lin's NPI number?
- 1346654308. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Chein-Jung Lin, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 1,092 |
|---|---|
| Services billed to Medicare | 1,982 |
| Different services or procedures | 58 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)1,221 services
- Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)89 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)79 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)52 services
- Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist (93458)43 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Ischemic heart disease51%
- Diabetes47%
- Heart failure45%
Hospitals where Chein-Jung Lin works
Medicare's Facility Affiliation Data lists Chein-Jung Lin at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Good Samaritan Regional Health CenterMount Vernon, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140046
- Heartland Regional Medical CenterMarion, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140184
- OSF Saint Anthony's Health CenterAlton, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 140052
- SSM Health Saint Louis University HospitalSaint Louis, MO · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 260105
- SSM Health St Mary's Hospital - St LouisSaint Louis, MO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 260091
Practice locations
Addresses where Chein-Jung Lin is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 10101 Woodfield LnSaint Louis, MO 63132 (608) 280‑4647
- 1034 S Brentwood Blvd, Suite 1120Saint Louis, MO 63117 (314) 977‑4663
- 1201 S Grand BlvdSaint Louis, MO 63104 (314) 617‑2000
- 1225 S Grand BlvdSaint Louis, MO 63104
- 2 Saint Anthonys Way, Suite 305Alton, IL 62002 (618) 465‑9024
Group practices
Medicare enrollment lists Chein-Jung Lin as a member of these groups (CMS data updated October 2, 2026).
- OSF Multi-Specialty Group2,114 clinicians in the group
- SSM Health Care Group940 clinicians in the group
Specialties
- Interventional Cardiologyprimary
Other interventional cardiologists in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Other clinicians in OSF Multi-Specialty Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2009 (17 years since medical school) |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346654308 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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