DR. MASSIMO GRISELLI MD MS FRCS
NPI 1659877181
Pediatrics - Pediatric Cardiology in Minneapolis, MN
About Dr. Massimo Griselli Md Ms Frcs NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MASSIMO GRISELLI MD MS FRCS (NPI 1659877181) is an individual pediatric cardiology provider in Minneapolis, Minnesota, licensed in Minnesota (63854) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Massimo Griselli Md Ms Frcs is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Massimo Griselli reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Minneapolis, MN 55454
- Reassigned Medicare billing, Minnesota enrollment
- 3,633 clinicians in this Medicare group
Minneapolis, MN 55454
- Reassigned Medicare billing, Minnesota enrollment
- 4,038 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.
MINNEAPOLIS, MN 55455
MINNEAPOLIS, MN 55455
MINNEAPOLIS, MN 55455
MINNEAPOLIS, MN 55455
MINNEAPOLIS, MN 55455
MINNEAPOLIS, MN 55455
MINNEAPOLIS, MN 55455
MINNEAPOLIS, MN 55455
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 Massimo Griselli's NPI number?
The NPI number for Massimo Griselli is 1659877181. It was assigned to this individual provider in the NPPES registry on April 3, 2018.
Where is Massimo Griselli located?
Massimo Griselli practices at University Of Minnesota Physicians 500 Harvard Street SE, Minneapolis, MN 55455. The listed phone number is (612) 884-0649.
What is Massimo Griselli's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.
Is Massimo Griselli enrolled in Medicare?
Yes. Massimo Griselli is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Massimo Griselli's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Massimo Griselli reassigns Medicare benefits to 2 organizations: Fairview Express Care (Minneapolis, MN) and Fairview Health Services (Minneapolis, MN). 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 Massimo Griselli'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 Massimo Griselli was last updated on December 12, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.