Organization Active NPI

Cancer Specialists, LLC

Doing business as Cancer Specialists of NF

  • Hematology & Oncology Physician
  • Neptune Beach, FL
National Provider Identifier
1881389088
Registry record updated Jun 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
Legal business name
CANCER SPECIALISTS, LLC
Doing business as
Cancer Specialists of NF
Practice address
700 3Rd St Ste 302
Neptune Beach, FL 32266-5082
Phone
(904) 997-3800
Fax
(904) 997-3899
NPI assigned
Apr 5, 2023
Last updated
Jun 12, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jun 12, 2025

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

Authorized official

Name
Robert J Phelan
Title
Ceo
Phone
(904) 363-2113

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology Physician 207RH0003X NU Primary
Radiation Oncology Physician 2085R0001X NU

Addresses

Primary practice location

700 3Rd St Ste 302
Neptune Beach, FL 32266-5082

Mailing address

7751 Belfort Pkwy Ste 350
Jacksonville, FL 32256-6951
Phone (904) 363-2113

Other names 1

  • Cancer Specialists of NF Doing business as

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
10D0977771Cancer Specialists LLC700 3Rd Street Suite 302, Neptune Beach, FL 32266ComplianceOct 24, 2026

National Provider Directory

National Provider Directory
Tax ID family
Cancer Specialists LLC18 organizations share this tax ID, including this one

Other organizations with this tax ID 17

Organizations that report the same tax identification number in the National Provider Directory.

View all 17

Locations

700 3rd St
Ste 300
Neptune Beach, FL 32266

NPI Registry JSON

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

{
    "created_epoch": "1680652800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1749686400000",
    "number": "1881389088",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7751 BELFORT PKWY STE 350",
            "city": "JACKSONVILLE",
            "state": "FL",
            "postal_code": "322566951",
            "telephone_number": "904-363-2113",
            "fax_number": "904-363-2606"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "700 3RD ST STE 302",
            "city": "NEPTUNE BEACH",
            "state": "FL",
            "postal_code": "322665082",
            "telephone_number": "904-997-3800",
            "fax_number": "904-997-3899"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CANCER SPECIALISTS, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2023-04-05",
        "last_updated": "2025-06-12",
        "certification_date": "2025-06-12",
        "status": "A",
        "authorized_official_last_name": "PHELAN",
        "authorized_official_first_name": "ROBERT",
        "authorized_official_middle_name": "J",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "904-363-2113"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "NU",
            "license": null,
            "primary": true
        },
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Cancer Specialists of NF",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Cancer Specialists of NF",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Neptune Beach, FL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 12, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.