Individual provider Active NPI

Jeffrey Joseph Ishizuka, M.D.

  • Medical Oncology Physician
  • New Haven, CT
National Provider Identifier
1134552185
Registry record updated Apr 14, 2020
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Oncology PhysicianTaxonomy code 207RX0202X
License
65204 Issued in CT
Practice address
20 York St
New Haven, CT 06510-3220
Phone
(203) 688-4242
NPI assigned
Aug 14, 2013
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 14, 2020

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 255605 MA
Medical Oncology Physician 207RX0202X 65204 CT Primary

Addresses

Primary practice location

20 York St
New Haven, CT 06510-3220

Mailing address

333 Cedar Street, Shmi
#225
New Haven, CT 06510-3206
Phone (614) 581-5838

Other practice location 1

75 Francis St
Boston, MA 02115-6110
Phone (617) 732-5500

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT
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
I20200421002514 CT Practitioner - Internal Medicine 5496067068 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Harvard Medical School, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Yale UniversityGroup PAC ID 9436061736, 2,632 clinicians

Practice addresses (Care Compare)

20 York St
New Haven, CT 06510-3220
Phone (203) 688-4242

800 Howard Ave
New Haven, CT 06519-1369
Phone (203) 785-2140

Hospital & facility affiliations

  • Yale-New Haven Hospital Hospital, New Haven, CT, CCN 070022
  • Bridgeport Hospital Hospital, Bridgeport, CT, CCN 070010

Merit-based Incentive Payment System (MIPS)

Final score
87.36 of 100Reported as group
Quality
77.36
Promoting interoperability
100
Improvement activities
40
Cost
74.27

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
65204CTMDMedical Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Yale University Internal Medicine CurrentSince Apr 13, 2020 Accepting new patients
Yale University CurrentSince Apr 13, 2020 Accepting new patients

Locations

800 Howard Ave
New Haven, CT 06519
Phone (203) 785-2140

50 Division St
New Haven, CT 06511
Phone (203) 785-2140

333 Cedar St
#225
New Haven, CT 06510

20 York St
North Haven, CT 06510
Phone (203) 688-2433

Interoperability endpoints

  • Direct secure messaging: jishizuka462547@direct.ynhh.org

Organizations & group practices 2

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.

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": "1376438400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1586822400000",
    "number": "1134552185",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "333 CEDAR STREET, SHMI",
            "address_2": "#225",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065103206",
            "telephone_number": "614-581-5838"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20 YORK ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065103220",
            "telephone_number": "203-688-4242"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "75 Francis St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021156110",
            "country_code": "US",
            "telephone_number": "617-732-5500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ISHIZUKA",
        "first_name": "JEFFREY",
        "middle_name": "JOSEPH",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-08-14",
        "last_updated": "2020-04-14",
        "certification_date": "2020-04-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "255605",
            "primary": false
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "CT",
            "license": "65204",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New Haven, CT

Sources for this page

Verify at the official NPI Registry.