Quick answers
- Which hospitals does Suresh K. Narayanan work at?
- Medicare's official clinician data lists Suresh K. Narayanan at 5 hospitals: Alton Memorial Hospital, SSM Health Depaul Hospital St Louis, SSM St Joseph Health Center, SSM St Joseph Hospital West and St Lukes Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Suresh K. Narayanan see patients?
- Medicare's clinician data lists 11 practice locations, including Alton, IL, Lake Saint Louis, MO and Lake St Louis, MO. Call before your visit to confirm the address.
- What is Suresh K. Narayanan's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
- Does Suresh K. Narayanan accept Medicare assignment?
- Yes. Medicare's clinician data says Suresh K. Narayanan 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 Suresh K. Narayanan?
- (636) 625-5200, as listed in official Medicare / NPI Registry data.
- What is Suresh K. Narayanan's NPI number?
- 1720071244. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Suresh K. Narayanan works
Medicare's Facility Affiliation Data lists Suresh K. Narayanan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Alton Memorial HospitalAlton, IL · Acute Care Hospital · CCN 140002
- SSM Health Depaul Hospital St LouisBridgeton, MO · Acute Care Hospital · CCN 260104
- SSM St Joseph Health CenterSaint Charles, MO · Acute Care Hospital · CCN 260005
- SSM St Joseph Hospital WestLake Saint Louis, MO · Acute Care Hospital · CCN 260200
- St Lukes HospitalChesterfield, MO · Acute Care Hospital · CCN 260179
Practice locations
Addresses where Suresh K. Narayanan is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 11; the Medicare profile lists all.
- 1 Memorial Dr AdministrationAlton, IL 62002
- 100 Medical PlzLake Saint Louis, MO 63367 (636) 625‑5200
- 100 Medical Plz, Suite 1201Lake St Louis, MO 63367 (636) 625‑5342
- 1015 Bowles AveFenton, MO 63026 (636) 496‑2000
- 1035 Bellevue Ave, Suite 500Saint Louis, MO 63117
Group practices
Medicare enrollment lists Suresh K. Narayanan as a member of these groups (CMS data updated 2026-10-02).
- SSM Medical Group Inc568 clinicians in the group
- SSM Health Care St Louis167 clinicians in the group
- Alton Memorial Physician Billing Services LLC11 clinicians in the group
- Christian Hospital Physician Billing Services LLC11 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Illinois →
Other cardiologists in Alton
Clinicians with the same Medicare primary specialty in Alton, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1720071244 |
| 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