NPIMap

Individual provider Active NPI

Michelle Alonso-Basanta, MD

  • Radiation Oncology Physician
  • Philadelphia, PA
National Provider Identifier
1831393800
Registry record updated Aug 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Radiation Oncology PhysicianTaxonomy code 2085R0001X
License
MD434414 Issued in PA
Practice address
3400 Civic Center Blvd
Concourse Level
Philadelphia, PA 19104-5127
Phone
(215) 662-2428
Fax
(215) 349-5923
NPI assigned
Jun 13, 2007
Last updated
Aug 24, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 24, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Radiation Oncology Physician 2085R0001X 25MA08470300 NJ
Radiation Oncology Physician 2085R0001X C12-0000017 DE
Radiation Oncology Physician 2085R0001X MD434414 PA Primary

Addresses

Primary practice location

3400 Civic Center Blvd
Concourse Level
Philadelphia, PA 19104-5127

Mailing address

3400 Civic Center Blvd
Concourse Level
Philadelphia, PA 19104-5127
Phone (215) 662-2428

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA, NJ2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20080828000243 PA Practitioner - Radiation Oncology 4587730569 Reassigns benefits to 1 organization
I20111031000677 NJ Practitioner - Radiation Oncology 4587730569 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Radiation Oncology
Education
New York University School of Medicine, 2003
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
University of Penn-Medical GroupGroup PAC ID 6204730955, 3,433 clinicians

Practice addresses (Care Compare)

239 Hurffville Crosskeys Rd
Suite 190
Sewell, NJ 08080-4005
Phone (856) 341-8400

3400 Civic Ctr Blvd
Philadelphia, PA 19104-5127
Phone (215) 662-2428

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
233075NYMDRadiation Oncology Physician
MD434414PAMDRadiation Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University of Penn-Medical Group Current Accepting new patients
University of Penn-Medical Group Radiation Oncology CurrentSince May 1, 2015 Accepting new patients
University of Penn-Medical Group CurrentSince May 1, 2015 Accepting new patients
University of Penn - Medical Group Past Accepting new patients

Locations

3400 Convention Ave
Philadelphia, PA 19104
Phone (215) 662-2300

3624 Market St
Fl 2
Philadelphia, PA 19104
Phone (215) 615-3669

800 Spruce St
William Penn Annex West, PA 19107
Phone (215) 829-3867

Organizations & group practices 5

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

Hospital & facility affiliations 4

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1181692800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787529600000",
    "number": "1831393800",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3400 CIVIC CENTER BLVD",
            "address_2": "CONCOURSE LEVEL",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191045127",
            "telephone_number": "215-662-2428",
            "fax_number": "215-349-5923"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3400 CIVIC CENTER BLVD",
            "address_2": "CONCOURSE LEVEL",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191045127",
            "telephone_number": "215-662-2428",
            "fax_number": "215-349-5923"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALONSO-BASANTA",
        "first_name": "MICHELLE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-06-13",
        "last_updated": "2026-08-24",
        "certification_date": "2026-08-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "NJ",
            "license": "25MA08470300",
            "primary": false
        },
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "DE",
            "license": "C12-0000017",
            "primary": false
        },
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "PA",
            "license": "MD434414",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Philadelphia, PA

Sources for this page

Verify at the official NPI Registry.