Individual provider Active NPI

Adam Brandon Greenfest, MD

  • Cardiovascular Disease Physician
  • New York, NY
National Provider Identifier
1306306188
Registry record updated Jul 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
319194 Issued in NY
Practice address
Weill Cornell Internal Medicine Associates
505 East 70TH St
New York, NY 10021
Phone
(212) 746-9663
Fax
(212) 746-3609
NPI assigned
Mar 20, 2019
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 16, 2026

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 319194 NY
Cardiovascular Disease Physician 207RC0000X 319194 NY Primary

Addresses

Primary practice location

Weill Cornell Internal Medicine Associates
505 East 70TH St
New York, NY 10021

Mailing address

Weill Cornell Internal Medicine Associates
505 East 70TH St
New York, NY 10021
Phone (212) 746-9663

Electronic endpoints 1

TypeEndpointUseAffiliation
CONNECT URL https://esmd.officeally.io:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service Other Bluemark LLC / Office Ally

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
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
I20230418000590 NY Practitioner - Internal Medicine 4486982022 Reassigns benefits to 2 organizations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Memorial Solid Tumor Group Internal Medicine CurrentSince Jun 27, 2023 Accepting new patients
Memorial Medical Consultation Group Internal Medicine CurrentSince Jan 13, 2023 Accepting new patients

Locations

633 3rd Ave
Fl 4
New York, NY 10017
Phone (646) 227-3764

1275 York Ave
New York, NY 10065
Phone (212) 639-3813

Networks

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

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.

NPI Registry JSON

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

{
    "created_epoch": "1553040000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784160000000",
    "number": "1306306188",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "WEILL CORNELL INTERNAL MEDICINE ASSOCIATES",
            "address_2": "505 EAST 70TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "10021",
            "telephone_number": "212-746-9663",
            "fax_number": "212-746-3609"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "WEILL CORNELL INTERNAL MEDICINE ASSOCIATES",
            "address_2": "505 EAST 70TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "10021",
            "telephone_number": "212-746-9663",
            "fax_number": "212-746-3609"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GREENFEST",
        "first_name": "ADAM",
        "middle_name": "BRANDON",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2019-03-20",
        "last_updated": "2026-07-16",
        "certification_date": "2026-07-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "319194",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "NY",
            "license": "319194",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://esmd.officeally.io:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.2019.3",
            "affiliationName": "Bluemark LLC / Office Ally",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "address_1": "1300 SE Cardinal Ct Ste 190",
            "city": "Vancouver",
            "state": "WA",
            "country_code": "US",
            "postal_code": "986839683",
            "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.