Individual provider Active NPI

Carolyn J Horowitz, MD

  • Radiation Oncology Physician
  • Sewell, NJ
National Provider Identifier
1275512600
Registry record updated Oct 24, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Radiation Oncology PhysicianTaxonomy code 2085R0001X
License
25MA04089200 Issued in NJ
Practice address
900 Medical Center Dr
Suite 100
Sewell, NJ 08080
Phone
(856) 582-3008
Fax
(856) 582-3009
NPI assigned
Jan 13, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 24, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Radiation Oncology Physician 2085R0001X MD030246E PA
Radiation Oncology Physician 2085R0001X 25MA04089200 NJ Primary

Addresses

Primary practice location

900 Medical Center Dr
Suite 100
Sewell, NJ 08080

Mailing address

1 Diamond Hill Rd
Berkeley Heights, NJ 07922-2104

Other practice location 1

2090 Springdale Rd Ste D
Cherry Hill, NJ 08003-2024
Phone (877) 388-2778

Other identifiers 12

IdentifierTypeStateIssuer
2580647OtherNJAETNA USHC
80457OtherNJAMERIGROUP
204378OtherNJUS FAMILY HEALTH PLAN
2K1601OtherNJHEALTHNET
0061886000OtherNJAMERIHEALTH HMO
422817OtherNJAMERIHEALTH PPO
BNS021OtherNJOXFORD
1153666OtherNJHORIZON/MERCY
223782602OtherNJHORIZON BCBS
1371509MedicaidNJ
920006709OtherNJRAILROAD MEDICARE
P00613893OtherNJRR MEDICARE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NJ
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20050713000052 NJ Practitioner - Radiation Oncology 8628064342 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Radiation Oncology
Education
Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc), 1981
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Summit Medical Group PAGroup PAC ID 5395642276, 1,204 clinicians

Practice addresses (Care Compare)

1 Diamond Hill Rd
Berkeley Heights, NJ 07922-2104
Phone (908) 273-4300

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
25MA04089200NJMDRadiation Oncology Physician
MD030246EPAMDRadiation Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Summit Medical Group PA CurrentSince Aug 23, 2025 Accepting new patients
Summit Medical Group PA CurrentSince Aug 23, 2025 Accepting new patients
Summit Medical Group, Inc Past Accepting new patients
Kennedy Medical Group Practice, P.C. PastSince Jun 15, 2021 Accepting new patients
New Jersey Oncology Services, PC Radiation Oncology Past Accepting new patients
New Jersey Urology LLC Radiation Oncology Past Accepting new patients

Locations

1 Diamond Hill Rd
Berkeley Heights, NJ 07922
Phone (908) 277-8868

175 Madison Ave
Mount Holly, NJ 08060
Phone (609) 261-1660

150 Floral Ave
New Providence, NJ 07974
Phone (908) 588-3890

Interoperability endpoints

  • Direct secure messaging: carolyn.horowitz.1@2983.direct.athenahealth.com

Organizations & group practices 6

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1137110400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761264000000",
    "number": "1275512600",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 DIAMOND HILL RD",
            "city": "BERKELEY HEIGHTS",
            "state": "NJ",
            "postal_code": "079222104"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "900 MEDICAL CENTER DR",
            "address_2": "SUITE 100",
            "city": "SEWELL",
            "state": "NJ",
            "postal_code": "08080",
            "telephone_number": "856-582-3008",
            "fax_number": "856-582-3009"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2090 Springdale Rd Ste D",
            "address_purpose": "LOCATION",
            "city": "Cherry Hill",
            "state": "NJ",
            "postal_code": "080032024",
            "country_code": "US",
            "telephone_number": "877-388-2778",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HOROWITZ",
        "first_name": "CAROLYN",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-01-13",
        "last_updated": "2025-10-24",
        "certification_date": "2025-10-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "PA",
            "license": "MD030246E",
            "primary": false
        },
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "NJ",
            "license": "25MA04089200",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA USHC",
            "identifier": "2580647",
            "state": "NJ"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AMERIGROUP",
            "identifier": "80457",
            "state": "NJ"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "US FAMILY HEALTH PLAN",
            "identifier": "204378",
            "state": "NJ"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HEALTHNET",
            "identifier": "2K1601",
            "state": "NJ"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AMERIHEALTH HMO",
            "identifier": "0061886000",
            "state": "NJ"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AMERIHEALTH PPO",
            "identifier": "422817",
            "state": "NJ"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "OXFORD",
            "identifier": "BNS021",
            "state": "NJ"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HORIZON/MERCY",
            "identifier": "1153666",
            "state": "NJ"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HORIZON BCBS",
            "identifier": "223782602",
            "state": "NJ"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1371509",
            "state": "NJ"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "920006709",
            "state": "NJ"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RR MEDICARE",
            "identifier": "P00613893",
            "state": "NJ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Sewell, NJ

Sources for this page

Verify at the official NPI Registry.