DR. PETER J GRUBER M.D,. PH.D
NPI 1053409458
Thoracic Surgery (Cardiothoracic Vascular Surgery) in New Haven, CT
About Dr. Peter J Gruber M.d,. Ph.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PETER J GRUBER M.D,. PH.D (NPI 1053409458) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in New Haven, Connecticut, licensed in Connecticut (57299) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Peter J Gruber M.d,. Ph.d is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Peter Gruber reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New Haven, CT 06519
- 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06510 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 Peter Gruber's NPI number?
The NPI number for Peter Gruber is 1053409458. It was assigned to this individual provider in the NPPES registry on October 11, 2006.
Where is Peter Gruber located?
Peter Gruber practices at 330 Cedar St Fl Bb2, New Haven, CT 06510. The listed phone number is (610) 888-9455.
What is Peter Gruber's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is Peter Gruber enrolled in Medicare?
Yes. Peter Gruber is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Peter Gruber's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Gruber 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 Peter Gruber's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Peter Gruber accept?
Health plans from Anthem Blue Cross and Blue Shield list Peter Gruber as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Peter Gruber was last updated on June 27, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.