DR. VIGNESH VISWANATHAN MD
NPI 1477905602
Internal Medicine - Nephrology in Des Moines, IA
About Dr. Vignesh Viswanathan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. VIGNESH VISWANATHAN MD (NPI 1477905602) is an individual nephrology provider in Des Moines, Iowa, licensed in Iowa (49201) and active in the NPI registry since July 2016. He is enrolled in Medicare PECOS, is affiliated with St Lukes Hospital, and maintains a secondary practice location in Baltimore.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Vignesh Viswanathan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Vignesh Viswanathan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Des Moines, IA 50314
- Reassigned Medicare billing, Iowa enrollment
- 518 clinicians in this Medicare group
Webster City, IA 50595
- Reassigned Medicare billing, Iowa enrollment
- 387 clinicians in this Medicare group
Birmingham, AL 35294
- Reassigned Medicare billing, Alabama enrollment
- 4,494 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 10
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Lukes Hospital
Acute Care Hospitals · Cedar Rapids, IALucas County Health Center
Critical Access Hospitals · Chariton, IACass County Memorial Hospital
Critical Access Hospitals · Atlantic, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 50309 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 8
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DES MOINES, IA 50309
DES MOINES, IA 50309
DES MOINES, IA 50309
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Vignesh Viswanathan's NPI number?
The NPI number for Vignesh Viswanathan is 1477905602. It was assigned to this individual provider in the NPPES registry on July 12, 2016.
Where is Vignesh Viswanathan located?
Vignesh Viswanathan practices at 1215 Pleasant St Ste 100, Des Moines, IA 50309. The listed phone number is (515) 336-6557.
What is Vignesh Viswanathan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Vignesh Viswanathan enrolled in Medicare?
Yes. Vignesh Viswanathan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Vignesh Viswanathan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vignesh Viswanathan reassigns Medicare benefits to 3 organizations: Broadlawns Medical Center (Des Moines, IA), Trinity Regional Medical Center (Webster City, IA) and University Of Alabama Health Services Foundation, PC (Birmingham, AL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Vignesh Viswanathan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Vignesh Viswanathan accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Ambetter of Alabama and 4 other insurers list Vignesh Viswanathan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Vignesh Viswanathan affiliated with any hospitals?
According to CMS data, Vignesh Viswanathan is affiliated with St Lukes Hospital, Lucas County Health Center and Cass County Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Vignesh Viswanathan was last updated on June 1, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.