KAREN RIZZUTO MS, RD, LDN
NPI 1366166530
Dietitian, Registered in Providence, RI
About Karen Rizzuto Ms, Rd, Ldn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN RIZZUTO MS, RD, LDN (NPI 1366166530) is an individual dietitian, registered in Providence, Rhode Island, licensed in Rhode Island (LDN01200) and active in the NPI registry since September 2022. She maintains a secondary practice location in Smithfield.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Karen Rizzuto Ms, Rd, Ldn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Karen Rizzuto reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cranston, RI 02920
- Reassigned Medicare billing, Rhode Island enrollment
- 65 clinicians in this Medicare group
Cranston, RI 02920
- Reassigned Medicare billing, Rhode Island enrollment
- 146 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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PROVIDENCE, RI 02905
PROVIDENCE, RI 02905
PROVIDENCE, RI 02905
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 Karen Rizzuto's NPI number?
The NPI number for Karen Rizzuto is 1366166530. It was assigned to this individual provider in the NPPES registry on September 30, 2022.
Where is Karen Rizzuto located?
Karen Rizzuto practices at 245 Chapman St Ste 300, Providence, RI 02905. The listed phone number is (401) 444-7152.
What is Karen Rizzuto's specialty?
The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.
Is Karen Rizzuto enrolled in Medicare?
Yes. Karen Rizzuto is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Karen Rizzuto's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Rizzuto reassigns Medicare benefits to 2 organizations: Chartercare Physicians, LLC (Cranston, RI) and Prospect Chartercare Physicians, LLC (Cranston, RI). 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 Karen Rizzuto's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Karen Rizzuto was last updated on July 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.