Active NPI
Adam Brandon Greenfest, MD
- Cardiovascular Disease Physician
- New York, NY
National Provider Identifier
1306306188
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Cardiovascular Disease Physician
- License
- 319194
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| 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
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Memorial Solid Tumor Group | Internal Medicine | Current | Accepting new patients |
| Memorial Medical Consultation Group | Internal Medicine | Current | 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.
-
- Internal Medicine Physician
- New York, NY
- NPI 1053382523
-
- Internal Medicine Physician
- New York, NY
- NPI 1699746172
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 16, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.