DR. JOHN NICHOLAS FINELLI D.D.S.
NPI 1437472792
Dentist in Mamaroneck, NY
About Dr. John Nicholas Finelli D.d.s. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN NICHOLAS FINELLI D.D.S. (NPI 1437472792) is an individual dentist in Mamaroneck, New York, licensed in New York (30942) and active in the NPI registry since March 2010. 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. John Nicholas Finelli D.d.s. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show John Finelli reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bronx, NY 10460
- Reassigned Medicare billing, New York enrollment
- 21 clinicians in this Medicare group
Bronx, NY 10453
- Reassigned Medicare billing, New York enrollment
- 20 clinicians in this Medicare group
Bronx, NY 10453
- Reassigned Medicare billing, New York enrollment
- 21 clinicians in this Medicare group
Bronx, NY 10453
- Reassigned Medicare billing, New York enrollment
- 20 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10543 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 John Finelli's NPI number?
The NPI number for John Finelli is 1437472792. It was assigned to this individual provider in the NPPES registry on March 1, 2010.
Where is John Finelli located?
John Finelli practices at 905-B Palmer Ave. Apt B, Mamaroneck, NY 10543. The listed phone number is (914) 843-5484.
What is John Finelli's specialty?
The primary specialty registered for this NPI is Dentist with taxonomy code 122300000X.
Is John Finelli enrolled in Medicare?
Yes. John Finelli is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for John Finelli's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Finelli reassigns Medicare benefits to 4 organizations: 43 Chruch Street Dental PC (Bronx, NY), Bonita Sonrisa Dental Mso (Bronx, NY), Alejandro Williams Dental Office PC (Bronx, NY) and 3545 Johnson Blvd Dental PC (Bronx, NY). 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 John Finelli'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 John Finelli was last updated on March 1, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.