NPIMap

Organization Active NPI

Memorial Solid Tumor Group

  • Internal Medicine Physician
  • New York, NY
National Provider Identifier
1699746172
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
Legal business name
MEMORIAL SOLID TUMOR GROUP
Practice address
1275 York Ave
New York, NY 10021-6007
Phone
(646) 227-3813
NPI assigned
Jan 31, 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
Internal Medicine Physician 207R00000X NU Primary
Medical Oncology Physician 207RX0202X NU

Addresses

Primary practice location

1275 York Ave
New York, NY 10021-6007

Mailing address

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

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, NJ2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
O20040313000668 NY Part B Supplier - Clinic/Group Practice 4082503354 Receives reassigned benefits from 548 practitioners
Practice locations: Commack, NY; West Harrison, NY; Uniondale, NY; New York, NY; Hauppauge, NY
O20240524001078 NJ Part B Supplier - Clinic/Group Practice 4082503354 Receives reassigned benefits from 2 practitioners
Practice locations: Basking Ridge, NJ; Montvale, NJ; Middletown, NJ

National Provider Directory

National Provider Directory

Locations

1275 York Ave
Ste 1
New York, NY 10065

1275 York Ave
Ste 569
New York, NY 10065

Practitioners & affiliated clinicians

Practitioners 558

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 558

NPI Registry JSON

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

{
    "created_epoch": "1138665600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1699746172",
    "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": "1275 YORK AVE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100216007",
            "telephone_number": "646-227-3813"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MEMORIAL SOLID TUMOR GROUP",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-01-31",
        "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": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NU",
            "license": null,
            "primary": true
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

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.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.