Organization Active NPI

Mskcc Physicians @ St Clare's Hospital

  • Radiation Oncology Physician
  • Denville, NJ
National Provider Identifier
1639140155
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Radiation Oncology PhysicianTaxonomy code 2085R0001X
Legal business name
MSKCC PHYSICIANS @ ST CLARE'S HOSPITAL
Practice address
23 Pocono Rd
Denville, NJ 07834-2954
Phone
(646) 227-3813
NPI assigned
Feb 1, 2006
Last updated
Sep 11, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Authorized official

Name
Charles A Ryke
Title
Manager
Phone
(646) 227-3650

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Medical Oncology Physician 207RX0202X NU
Radiation Oncology Physician 2085R0001X NU Primary

Addresses

Primary practice location

23 Pocono Rd
Denville, NJ 07834-2954

Mailing address

633 3Rd Ave
Box 3
New York, NY 10017-6706

National Provider Directory

National Provider Directory

Locations

23 Pocono Rd
Denville, NJ 07834
Phone (973) 927-5788

NPI Registry JSON

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

{
    "created_epoch": "1138752000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1639140155",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "633 3RD AVE",
            "address_2": "BOX 3",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100176706"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "23 POCONO RD",
            "city": "DENVILLE",
            "state": "NJ",
            "postal_code": "078342954",
            "telephone_number": "646-227-3813"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MSKCC PHYSICIANS @ ST CLARE'S HOSPITAL",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-02-01",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "RYKE",
        "authorized_official_first_name": "CHARLES",
        "authorized_official_middle_name": "A",
        "authorized_official_title_or_position": "MANAGER",
        "authorized_official_telephone_number": "646-227-3650"
    },
    "taxonomies": [
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Denville, NJ

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.