CONNECTICUT PROTON THERAPY CENTER LLC
NPI 1790598787
Clinic/Center in Wallingford, CT
About Connecticut Proton Therapy Center Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CONNECTICUT PROTON THERAPY CENTER LLC (NPI 1790598787), doing business as Connecticut Proton, is a healthcare organization registered as a clinic/center in Wallingford, Connecticut and active in the NPI registry since January 2025. The organization lists Charles Hee Yoo, Vice President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 4
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Connecticut Proton Therapy Center Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Connecticut Proton Therapy Center LLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
New Haven, CT 06510
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Connecticut Proton Therapy Center LLC's NPI number?
The NPI number for Connecticut Proton Therapy Center LLC is 1790598787. It was assigned to this organization in the NPPES registry on January 31, 2025. The provider is doing business as Connecticut Proton.
Where is Connecticut Proton Therapy Center LLC located?
Connecticut Proton Therapy Center LLC is located at 932 Northrop Rd, Wallingford, CT 06492. The listed phone number is (630) 649-4060.
What is Connecticut Proton Therapy Center LLC's specialty?
The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.
Is Connecticut Proton Therapy Center LLC enrolled in Medicare?
Yes. Connecticut Proton Therapy Center LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Connecticut Proton Therapy Center LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Radiation Oncology) reassigns their Medicare billing to Connecticut Proton Therapy Center LLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Connecticut Proton Therapy Center LLC was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.
# Connecticut Proton Therapy Center Llc · NPI 1790598787
Clinic/Center organization in Wallingford, Connecticut. Organization record, active in the CMS NPPES registry since January 31, 2025.
## Identity
- **NPI:** 1790598787 (Entity type: Organization)
- **Enumerated:** January 31, 2025
- **Primary specialty:** Clinic/Center · taxonomy 261Q00000X
- **Also known as:** Connecticut Proton (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Charles Yoo, VICE PRESIDENT
## Practice location
- **Address:** 932 NORTHROP RD, Wallingford, CT 06492-1909
- **Phone:** (630) 649-4060 · **Fax:** (312) 896-9537
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Radiation Oncology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 29, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1790598787) · Data from the CMS NPPES public registry.