Individual provider Active NPI

Ashley Knight-Greenfield

  • Diagnostic Radiology Physician
  • New York, NY
National Provider Identifier
1023437514
Registry record updated Apr 12, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
280870 Issued in NY
Practice address
525 E 68TH St
New York, NY 10065-4870
Phone
(212) 746-6000
NPI assigned
Apr 10, 2014
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 12, 2023

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Neuroimaging (Radiology) Physician 2085D0003X 036.149486 IL
Student in an Organized Health Care Education/Training Program 390200000X
Diagnostic Radiology Physician 2085R0202X 280870 NY Primary

Addresses

Primary practice location

525 E 68TH St
New York, NY 10065-4870

Mailing address

112 Southfield Ave Apt 302
Stamford, CT 06902-7664
Phone (917) 597-2433

Other practice location 1

1000 10th Ave
New York, NY 10019-1147
Phone (917) 597-2433

Electronic endpoints 3

TypeEndpointUseAffiliation
FHIR URL https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/ Health Information Exchange (HIE)
FHIR URL https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/DSTU2
Direct Messaging Address ask9021@direct.nyp.org Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, CT2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20200914000405 NY Practitioner - Diagnostic Radiology 8426396631 Reassigns benefits to 4 organizations
I20250422000932 CT Practitioner - Diagnostic Radiology 8426396631 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
Icahn School of Medicine at Mount Sinai, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Advanced Radiology MRI Centers LPGroup PAC ID 6709779689, 22 clinicians
Advanced Radiology Consultants LLCGroup PAC ID 9436140563, 32 clinicians
Bridgeport Radiological Associates LLCGroup PAC ID 0941291082, 44 clinicians

Practice addresses (Care Compare)

15 Corporate Dr
Trumbull, CT 06611-1351
Phone (203) 384-3873

267 Grant St
Bridgeport, CT 06610-2805
Phone (203) 384-3000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
94.47 of 100Reported as group
Quality
84.67
Promoting interoperability
100
Improvement activities
40
Cost
71.47

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as apm
Quality
85.32
Promoting interoperability
100
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036.149486ILMDDiagnostic Neuroimaging (Radiology) Physician
280870NYMDDiagnostic Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Advanced Radiology Consultants LLC Diagnostic Radiology CurrentSince May 5, 2025 Accepting new patients
Weill Medical College of Cornell CurrentSince Sep 1, 2020 Accepting new patients
Kings Physician Services, PC CurrentSince Jul 19, 2021 Accepting new patients
Weill Medical College of Cornell Diagnostic Radiology CurrentSince Sep 1, 2020 Accepting new patients
Weill Cornell Medical Imaging Diagnostic Neuroimaging CurrentSince Sep 1, 2020 Accepting new patients
Advanced Radiology MRI Centers LP Diagnostic Radiology CurrentSince May 5, 2025 Accepting new patients
Weill Cornell Imaging at New York Presbyterian Diagnostic Radiology CurrentSince Sep 1, 2020 Accepting new patients
Westchester-Ellenville Hospital, Inc. CurrentSince Dec 1, 2025 Accepting new patients
Bridgeport Radiological Associates LLC Diagnostic Radiology CurrentSince May 5, 2025 Accepting new patients
Kings Physician Services, PC Diagnostic Neuroimaging CurrentSince Jul 19, 2021 Accepting new patients

Locations

267 Grant St
Bridgeport, CT 06610
Phone (203) 384-3170

1055 Post Rd
Fairfield, CT 06824
Phone (203) 254-1055

15 Corporate Dr
Trumbull, CT 06611
Phone (203) 261-3980

30 Danbury Rd
Wilton, CT 06897
Phone (203) 665-9729

506 6th St
Brooklyn, NY 11215
Phone (718) 780-3279

506 6th St
Ste B
Brooklyn, NY 11215
Phone (718) 780-3677

10 Healthy Way
Ellenville, NY 12428
Phone 8456476400294

525 E 68th St
#585
New York, NY 10065
Phone (212) 746-2059

525 E 68th St
New York, NY 10065
Phone (212) 746-2846

1000 10th Ave
New York, NY 10019
Phone (212) 523-2369

520 E 70th St
New York, NY 10021
Phone (212) 746-0838

1981 Marcus Ave
Ste 208
North New Hyde Park, NY 11042
Phone (718) 670-1415

Networks

  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H3359

Organizations & group practices 10

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 1

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": "1397088000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1681257600000",
    "number": "1023437514",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "112 SOUTHFIELD AVE APT 302",
            "city": "STAMFORD",
            "state": "CT",
            "postal_code": "069027664",
            "telephone_number": "917-597-2433"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "525 E 68TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100654870",
            "telephone_number": "212-746-6000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1000 10th Ave",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100191147",
            "country_code": "US",
            "telephone_number": "917-597-2433",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KNIGHT-GREENFIELD",
        "first_name": "ASHLEY",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-04-10",
        "last_updated": "2023-04-12",
        "certification_date": "2023-04-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085D0003X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Neuroimaging",
            "state": "IL",
            "license": "036.149486",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "NY",
            "license": "280870",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/",
            "affiliation": "N",
            "endpointDescription": "FHIR",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "FHIR",
            "address_1": "525 E 68th St",
            "city": "New York",
            "state": "NY",
            "country_code": "US",
            "postal_code": "100654870",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/DSTU2",
            "affiliation": "N",
            "endpointDescription": "FHIR",
            "address_1": "525 E 68th St",
            "city": "New York",
            "state": "NY",
            "country_code": "US",
            "postal_code": "100654870",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ask9021@direct.nyp.org",
            "affiliation": "N",
            "endpointDescription": "Direct Address",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Direct Address",
            "address_1": "525 E 68th St",
            "city": "New York",
            "state": "NY",
            "country_code": "US",
            "postal_code": "100654870",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.