DR. PAUL ARONSON M.D.
NPI 1225235682
Pediatrics - Pediatric Emergency Medicine in New Haven, CT
About Dr. Paul Aronson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PAUL ARONSON M.D. (NPI 1225235682) is an individual pediatric emergency medicine provider in New Haven, Connecticut, licensed in Connecticut (050613) and active in the NPI registry since June 2007. 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. Paul Aronson M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Paul Aronson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New Haven, CT 06519
- Reassigned Medicare billing, Connecticut enrollment
- 3,728 clinicians in this Medicare group
Milford, CT 06460
- Reassigned Medicare billing, Connecticut enrollment
- 219 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 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW HAVEN, CT 06511
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 Aronson's NPI number?
The NPI number for Paul Aronson is 1225235682. It was assigned to this individual provider in the NPPES registry on June 29, 2007.
Where is Paul Aronson located?
Paul Aronson practices at 100 York St Suite 1F, New Haven, CT 06511. The listed phone number is (203) 737-7433.
What is Paul Aronson's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.
Is Paul Aronson enrolled in Medicare?
Yes. Paul Aronson is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Paul Aronson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Paul Aronson reassigns Medicare benefits to 2 organizations: Yale University (New Haven, CT) and Bridgeport Hospital (Milford, CT). 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 Paul Aronson'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 Aronson was last updated on June 13, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.