NICHOLAS RIZZO M.D.
NPI 1669447272
Internal Medicine in South Bend, IN
About Nicholas Rizzo M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NICHOLAS RIZZO M.D. (NPI 1669447272) is an individual internal medicine provider in South Bend, Indiana, licensed in Indiana (01092630A) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through October 21, 2027, and is affiliated with Palos Community Hospital.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
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
Nicholas Rizzo M.d. 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
2Medicare enrollment records show Nicholas Rizzo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
South Bend, IN 46601
- Reassigned Medicare billing, Indiana enrollment
- 734 clinicians in this Medicare group
Palos Heights, IL 60463
- Reassigned Medicare billing, Illinois enrollment
- 2 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.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 14D2067758
Nicholas Rizzo M D · Palos Heights, ILAreas of Expertise CMS Part B claims 26
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Palos Community Hospital
Acute Care Hospitals · Palos Heights, ILOsf Little Company Of Mary Medical Center
Acute Care Hospitals · Evergreen Park, ILAdvocate Christ Hospital & Medical Center
Acute Care Hospitals · Oak Lawn, ILNorthwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILMemorial Hospital Of South Bend
Acute Care Hospitals · South Bend, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46601 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.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 9
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 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SOUTH BEND, IN 46601
SOUTH BEND, IN 46601
SOUTH BEND, IN 46601
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 Nicholas Rizzo's NPI number?
The NPI number for Nicholas Rizzo is 1669447272. It was assigned to this individual provider in the NPPES registry on February 18, 2006.
Where is Nicholas Rizzo located?
Nicholas Rizzo practices at 615 N Michigan St Fl 1, South Bend, IN 46601. The listed phone number is (574) 647-3050.
What is Nicholas Rizzo's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Nicholas Rizzo enrolled in Medicare?
Yes. Nicholas Rizzo 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 Nicholas Rizzo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Rizzo reassigns Medicare benefits to 2 organizations: Beacon Medical Group, Inc. (South Bend, IN) and Premiere General Medicine S C (Palos Heights, IL). 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 Nicholas Rizzo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Does Nicholas Rizzo hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 14D2067758) is associated with this NPI, valid through October 21, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Nicholas Rizzo accept?
Health plans from Anthem Blue Cross and Blue Shield, CareSource and Oscar Health list Nicholas Rizzo 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 Nicholas Rizzo affiliated with any hospitals?
According to CMS data, Nicholas Rizzo is affiliated with Palos Community Hospital, Osf Little Company Of Mary Medical Center, Advocate Christ Hospital & Medical Center, Northwestern Medicine Central Dupage Hospital and Memorial Hospital Of South Bend.
When was this NPI record last updated?
The NPPES record for Nicholas Rizzo was last updated on October 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.