Quick answers
- Which hospitals does Janani Vigneswaran work at?
- Medicare's official clinician data lists Janani Vigneswaran at 5 hospitals: Good Samaritan Regional Health Center, SSM Health Depaul Hospital St Louis, SSM Health Saint Louis University Hospital, SSM Health St Mary's Hospital - St Louis and SSM St Joseph Hospital West. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Janani Vigneswaran see patients?
- Medicare's clinician data lists 3 practice locations, including Fenton, MO, Saint Louis, MO and Lake St Louis, MO. Call before your visit to confirm the address.
- What is Janani Vigneswaran's specialty?
- Medicare lists Thoracic Surgery as the primary specialty.
- Does Janani Vigneswaran accept Medicare assignment?
- Yes. Medicare's clinician data says Janani Vigneswaran 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 Janani Vigneswaran?
- (636) 496-5030, as listed in official Medicare / NPI Registry data.
- What is Janani Vigneswaran's NPI number?
- 1447609821. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Janani Vigneswaran works
Medicare's Facility Affiliation Data lists Janani Vigneswaran at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Good Samaritan Regional Health CenterMount Vernon, IL · Acute Care Hospital · CCN 140046
- SSM Health Depaul Hospital St LouisBridgeton, MO · Acute Care Hospital · CCN 260104
- SSM Health Saint Louis University HospitalSaint Louis, MO · Acute Care Hospital · CCN 260105
- SSM Health St Mary's Hospital - St LouisSaint Louis, MO · Acute Care Hospital · CCN 260091
- SSM St Joseph Hospital WestLake Saint Louis, MO · Acute Care Hospital · CCN 260200
Practice locations
Addresses where Janani Vigneswaran is enrolled with Medicare (CMS data updated 2026-10-02).
- 1011 Bowles Ave, Suite 425Fenton, MO 63026 (636) 496‑5030
- 1201 S Grand BlvdSaint Louis, MO 63104 (314) 617‑2000
- 400 Medical Plz, Suite 10Lake St Louis, MO 63367 (636) 625‑6052
Group practices
Medicare enrollment lists Janani Vigneswaran as a member of these groups (CMS data updated 2026-10-02).
- SSM Health Care Group940 clinicians in the group
- SSM Medical Group Inc568 clinicians in the group
Specialties
- Thoracic Surgeryprimary
Other thoracic surgeons in Missouri
Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1447609821 |
| 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