JAMES WILLIAM PELLEGRINI M.D.
NPI 1184685331
Pediatrics - Neonatal-Perinatal Medicine in New London, CT
About James William Pellegrini M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES WILLIAM PELLEGRINI M.D. (NPI 1184685331) is an individual neonatal-perinatal medicine provider in New London, Connecticut, licensed in Connecticut (69234) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in New Haven.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
James William Pellegrini M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show James Pellegrini reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New Haven, CT 06511
- Reassigned Medicare billing, Connecticut enrollment
- 3,728 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.
NEW LONDON, CT 06320
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 James Pellegrini's NPI number?
The NPI number for James Pellegrini is 1184685331. It was assigned to this individual provider in the NPPES registry on March 29, 2006.
Where is James Pellegrini located?
James Pellegrini practices at 365 Montauk Ave, New London, CT 06320. The listed phone number is (860) 444-5151.
What is James Pellegrini's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.
Is James Pellegrini enrolled in Medicare?
Yes. James Pellegrini is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for James Pellegrini's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Pellegrini reassigns Medicare benefits to Yale University (New Haven, CT). The 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 James Pellegrini'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 James Pellegrini was last updated on July 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.