Quick answers
- Which hospitals does Vignesh Viswanathan work at?
- Medicare's official clinician data lists Vignesh Viswanathan at 4 hospitals: Cass County Memorial Hospital, Lucas County Health Center, St Lukes Hospital and University of Alabama Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Vignesh Viswanathan see patients?
- Medicare's clinician data lists 1 practice location in Birmingham, AL. Call before your visit to confirm the address.
- What is Vignesh Viswanathan's specialty?
- Medicare lists Nephrology as the primary specialty.
- Does Vignesh Viswanathan accept Medicare assignment?
- Yes. Medicare's clinician data says Vignesh Viswanathan 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 Vignesh Viswanathan?
- (205) 934-3460, as listed in official Medicare / NPI Registry data.
- What is Vignesh Viswanathan's NPI number?
- 1477905602. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Vignesh Viswanathan works
Medicare's Facility Affiliation Data lists Vignesh Viswanathan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cass County Memorial HospitalAtlantic, IA · Critical Access Hospital · CCN 161376
- Lucas County Health CenterChariton, IA · Critical Access Hospital · CCN 161341
- St Lukes HospitalCedar Rapids, IA · Acute Care Hospital · CCN 160045
- University of Alabama HospitalBirmingham, AL · Acute Care Hospital · CCN 010033
Practice locations
Addresses where Vignesh Viswanathan is enrolled with Medicare (CMS data updated 2026-10-02).
- 619 19th St SBirmingham, AL 35246 (205) 934‑3460
Group practices
Medicare enrollment lists Vignesh Viswanathan as a member of this group (CMS data updated 2026-10-02).
- University of Alabama Health Services Foundation, PC2,814 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in Birmingham
Clinicians with the same Medicare primary specialty in Birmingham, AL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477905602 |
| 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