Organization Active NPI

Connecticut Proton Therapy Center LLC

  • Clinic/Center
  • Wallingford, CT
National Provider Identifier
1790598787
Registry record updated Jul 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinic/CenterTaxonomy code 261Q00000X
Legal business name
CONNECTICUT PROTON THERAPY CENTER LLC
Doing business as
Connecticut Proton
Practice address
932 Northrop Rd
Wallingford, CT 06492-1909
Phone
(630) 649-4060
Fax
(312) 896-9537
NPI assigned
Jan 31, 2025
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jul 23, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Charles Hee Yoo
Title
Vice President
Phone
(630) 649-4060

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Radiation Oncology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 2085R0001X
Clinic/Center 261Q00000X Primary
Oncology Clinic/Center 261QX0200X
Radiation Oncology Clinic/Center 261QX0203X

Addresses

Primary practice location

932 Northrop Rd
Wallingford, CT 06492-1909

Mailing address

932 Northrop Rd
Wallingford, CT 06492-1909
Phone (630) 649-4060

Other names 1

  • Connecticut Proton Doing business as

National Provider Directory

National Provider Directory

Locations

932 Northrop Rd
Wallingford, CT 06492

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1738281600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1784764800000",
    "number": "1790598787",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "932 NORTHROP RD",
            "city": "WALLINGFORD",
            "state": "CT",
            "postal_code": "064921909",
            "telephone_number": "630-649-4060",
            "fax_number": "312-896-9537"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "932 NORTHROP RD",
            "city": "WALLINGFORD",
            "state": "CT",
            "postal_code": "064921909",
            "telephone_number": "630-649-4060",
            "fax_number": "312-896-9537"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CONNECTICUT PROTON THERAPY CENTER LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-01-31",
        "last_updated": "2026-07-23",
        "certification_date": "2026-07-23",
        "status": "A",
        "authorized_official_last_name": "YOO",
        "authorized_official_first_name": "CHARLES",
        "authorized_official_middle_name": "HEE",
        "authorized_official_title_or_position": "VICE PRESIDENT",
        "authorized_official_telephone_number": "630-649-4060"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Radiology, Radiation Oncology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "261Q00000X",
            "taxonomy_group": "",
            "desc": "Clinic/Center",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "261QX0200X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Oncology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "261QX0203X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Oncology, Radiation",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Connecticut Proton",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Wallingford, CT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.