Active NPI
Elena J Ladas, PHD, RD
- Registered Dietitian
- New York, NY
National Provider Identifier
1578846424
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Registered Dietitian
- License
- 006116
- Practice address
- 161 Fort Washington Ave
New York, NY 10032-3729 - Phone
- (212) 305-7835
- Fax
- (212) 305-5848
- NPI assigned
- Sep 27, 2011
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Registered Dietitian | 133V00000X | 919072 | IL | |
| Registered Dietitian | 133V00000X | 006116 | NY | Primary |
Addresses
Primary practice location
161 Fort Washington Ave
New York, NY 10032-3729
Mailing address
3959 Broadway # 10-06N
New York, NY 10032-1559
Phone (212) 305-7835
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Philosophy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 919072 | IL | MD | Registered Dietitian |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Trustees of Columbia University in the City of New York | Past | Accepting new patients |
Organizations & group practices 1
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.
-
- Pediatric Emergency Medicine (Pediatrics) Physician
- New York, NY
- NPI 1760444822
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1317081600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757894400000",
"number": "1578846424",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3959 BROADWAY # 10-06N",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100321559",
"telephone_number": "212-305-7835"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "161 FORT WASHINGTON AVE",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100323729",
"telephone_number": "212-305-7835",
"fax_number": "212-305-5848"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LADAS",
"first_name": "ELENA",
"middle_name": "J",
"credential": "PHD, RD",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2011-09-27",
"last_updated": "2025-09-15",
"certification_date": "2025-09-15",
"status": "A"
},
"taxonomies": [
{
"code": "133V00000X",
"taxonomy_group": "",
"desc": "Dietitian, Registered",
"state": "IL",
"license": "919072",
"primary": false
},
{
"code": "133V00000X",
"taxonomy_group": "",
"desc": "Dietitian, Registered",
"state": "NY",
"license": "006116",
"primary": true
}
],
"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 Sep 15, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.