PAUL BARRY NUSSBAUM M.D.
NPI 1215936083
Internal Medicine - Nephrology in Bridgeport, CT
About Paul Barry Nussbaum M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PAUL BARRY NUSSBAUM M.D. (NPI 1215936083) is an individual nephrology provider in Bridgeport, Connecticut, licensed in Connecticut (020563) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Paul Barry Nussbaum M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Paul Nussbaum reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Trumbull, CT 06611
- Reassigned Medicare billing, Connecticut enrollment
- 14 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 06606 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
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BRIDGEPORT, CT 06606
BRIDGEPORT, CT 06606
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 Paul Nussbaum's NPI number?
The NPI number for Paul Nussbaum is 1215936083. It was assigned to this individual provider in the NPPES registry on July 14, 2005.
Where is Paul Nussbaum located?
Paul Nussbaum practices at 900 Madison Ave Suite 209, Bridgeport, CT 06606. The listed phone number is (203) 335-0195.
What is Paul Nussbaum's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Paul Nussbaum enrolled in Medicare?
Yes. Paul Nussbaum is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Paul Nussbaum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Paul Nussbaum reassigns Medicare benefits to Nephrology Associates, PC (Trumbull, 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 Paul Nussbaum'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 Paul Nussbaum was last updated on December 1, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.