Active NPI
Athina Vassilakis, MD
- Internal Medicine Physician
- New York, NY
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 254933
- Practice address
- 534 W 135TH St
New York, NY 10031-8644 - Phone
- (866) 463-2778
- NPI assigned
- Jun 9, 2008
- Sex
- Female
- Sole proprietor
- No
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 | 254933 | NY | Primary |
| Hospitalist Physician | 208M00000X | 254933 | NY |
Addresses
Primary practice location
534 W 135TH St
New York, NY 10031-8644
Mailing address
534 W 135TH St
New York, NY 10031-8644
Phone (866) 463-2778
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
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Columbia University College of Physicians and Surgeons, 2007
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Trustees of Columbia University in the City of New York
Practice addresses (Care Compare)
21 Audubon Ave
New York, NY 10032-2275
Phone (212) 342-3231
622 W 168TH St
New York, NY 10032-3720
Phone (212) 305-9876
Hospital & facility affiliations
- New York-Presbyterian Hospital
Merit-based Incentive Payment System (MIPS)
- Final score
- 100 of 100
- Quality
- 85.32
- Promoting interoperability
- 100
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Trustees of Columbia University in the City of New York | Internal Medicine | Current | Accepting new patients |
| Montefiore Medical Center | Current | Accepting new patients | |
| Trustees of Columbia University in the City of New York | Internal Medicine | Current | Accepting new patients |
| Trustees of Columbia University in the City of New York | Internal Medicine | Current | Accepting new patients |
| Montefiore Medical Center | Internal Medicine | Current | Accepting new patients |
| Trustees of Columbia University in the City of New York | Internal Medicine | Current | Accepting new patients |
| The New York and Presbyterian Hospital | Past | Accepting new patients |
Locations
111 E 210th St
Bronx, NY 10467
630 W 168th St
#4
New York, NY 10032
Phone (212) 305-6387
534 W 135th St
New York, NY 10031
Phone (212) 491-2300
5141 Broadway
New York, NY 10034
Phone (212) 932-4000
622 W 168th St
New York, NY 10032
Phone (212) 305-4931
161 Fort Washington Ave
New York, NY 10032
Phone (212) 305-8559
Networks
- Healthfirst Medicare Network H5989
- Healthfirst Medicare Network H3359
- Healthfirst Medicare Network H9678
- Healthfirst Medicare Network H1722
Interoperability endpoints
- https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/
- https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/DSTU2/
- atv7001@direct.nyp.org
Organizations & group practices 7
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 1437176047
-
- Surgery Physician
- New York, NY
- NPI 1508266347
Internal Medicine
-
- Internal Medicine Physician
- Fort Lee, NJ
- NPI 1982993184
NY
-
- Community/Retail Pharmacy
- Bronx, NY
- NPI 1194183715
-
- Internal Medicine Physician
- New York, NY
- NPI 1699289488
-
- General Acute Care Hospital
- New York, NY
- NPI 1194832477
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- New York, NY
- NPI 1144504044
-
- General Acute Care Hospital
- New York, NY
- NPI 1194832477
-
- General Acute Care Hospital
- Bronxville, NY
- NPI 1780196345
-
- General Acute Care Hospital
- New York, NY
- NPI 1952332801
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1212969600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1774396800000",
"number": "1407015027",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "534 W 135TH ST",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100318644",
"telephone_number": "866-463-2778"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "534 W 135TH ST",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100318644",
"telephone_number": "866-463-2778"
}
],
"practiceLocations": [],
"basic": {
"last_name": "VASSILAKIS",
"first_name": "ATHINA",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2008-06-09",
"last_updated": "2026-03-25",
"certification_date": "2026-03-25",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "NY",
"license": "254933",
"primary": true
},
{
"code": "208M00000X",
"taxonomy_group": "",
"desc": "Hospitalist",
"state": "NY",
"license": "254933",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"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 Mar 25, 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.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.