DR. JOSEPH MAZZA MD
NPI 1932223989
Internal Medicine in Roosevelt Island, NY
About Dr. Joseph Mazza Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSEPH MAZZA MD (NPI 1932223989) is an individual internal medicine provider in Roosevelt Island, New York, licensed in New York (18516901) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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)
Dr. Joseph Mazza Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Joseph Mazza reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10044
- Reassigned Medicare billing, New York enrollment
- 1,615 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.
Areas of Expertise CMS Part B claims
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10044 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
ROOSEVELT ISLAND, NY 10044
ROOSEVELT ISLAND, NY 10044
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 Joseph Mazza's NPI number?
The NPI number for Joseph Mazza is 1932223989. It was assigned to this individual provider in the NPPES registry on March 16, 2007.
Where is Joseph Mazza located?
Joseph Mazza practices at 1 Main St, Roosevelt Island, NY 10044. The listed phone number is (212) 318-4242.
What is Joseph Mazza's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Joseph Mazza enrolled in Medicare?
Yes. Joseph Mazza is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Joseph Mazza's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Mazza reassigns Medicare benefits to New York City Health And Hospitals Corporation (New York, NY). 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 Joseph Mazza'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 Joseph Mazza was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.