Individual provider Active NPI

Gregory Zanieski, MD

  • Surgical Oncology Physician
  • New Haven, CT
National Provider Identifier
1235320474
Registry record updated Jul 30, 2019
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgical Oncology PhysicianTaxonomy code 2086X0206X
License
62463 Issued in CT
Practice address
Smilow Cancer Hospital at Yale-New Haven
35 Park Street, 8TH Floor Clinic
New Haven, CT 06510
Phone
(203) 785-3577
Fax
(203) 737-4067
NPI assigned
Aug 5, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 30, 2019

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

Specialties & licenses 5

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X 256848 NY
Surgery Physician 208600000X MD432356 PA
Surgical Oncology Physician 2086X0206X 256848 NY
Surgical Oncology Physician 2086X0206X MD432356 PA
Surgical Oncology Physician 2086X0206X 62463 CT Primary

Addresses

Primary practice location

Smilow Cancer Hospital at Yale-New Haven
35 Park Street, 8TH Floor Clinic
New Haven, CT 06510

Mailing address

P.O. Box 208062, 330 Cedar St, Fmb130
Department of Surgery, Section of Surgical Oncology
New Haven, CT 06520
Phone (203) 785-3577

Other identifiers 1

IdentifierTypeStateIssuer
03227869MedicaidNY

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
I20190729003574 CT Practitioner - General SurgeryPractitioner - Surgical Oncology 0446342075 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
General SurgeryAlso: Surgical Oncology
Education
State University of New York at Stony Brook, School of Medicine, 2002
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) 785-4638

Hospital & facility affiliations

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

Procedures performed for Medicare patients

ProcedureNumber of procedures
Mastectomy30

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD432356PAMDSurgical Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Yale University Surgery CurrentSince Jul 1, 2019 Accepting new patients
Yale University CurrentSince Jul 1, 2019 Accepting new patients

Locations

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

300 George St
Fl 6
New Haven, CT 06511
Phone (203) 785-6610

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

Interoperability endpoints

  • Direct secure messaging: gzanieski429465@direct.ynhh.org
  • Direct secure messaging: gzaniesk@direct.health-quest.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": "1186272000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1564444800000",
    "number": "1235320474",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "P.O. BOX 208062, 330 CEDAR ST, FMB130",
            "address_2": "DEPARTMENT OF SURGERY, SECTION OF SURGICAL ONCOLOGY",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "06520",
            "telephone_number": "203-785-3577"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "SMILOW CANCER HOSPITAL AT YALE-NEW HAVEN",
            "address_2": "35 PARK STREET, 8TH FLOOR CLINIC",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "06510",
            "telephone_number": "203-785-3577",
            "fax_number": "203-737-4067"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZANIESKI",
        "first_name": "GREGORY",
        "name_prefix": "Mr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-08-05",
        "last_updated": "2019-07-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "NY",
            "license": "256848",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "PA",
            "license": "MD432356",
            "primary": false
        },
        {
            "code": "2086X0206X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Oncology",
            "state": "NY",
            "license": "256848",
            "primary": false
        },
        {
            "code": "2086X0206X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Oncology",
            "state": "PA",
            "license": "MD432356",
            "primary": false
        },
        {
            "code": "2086X0206X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Oncology",
            "state": "CT",
            "license": "62463",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "03227869",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in New Haven, CT

Sources for this page

Verify at the official NPI Registry.