Individual provider Active NPI

Caroline Ruff Eliff

  • Speech-Language Pathologist
  • New York, NY
National Provider Identifier
1164294187
Registry record updated Feb 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Speech-Language PathologistTaxonomy code 235Z00000X
License
036124 Issued in NY
Practice address
211 W 61St St
New York, NY 10023-7832
Phone
(212) 777-5966
NPI assigned
Oct 24, 2023
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 10, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Speech-Language Pathologist 235Z00000X 119855 TX
Speech-Language Pathologist 235Z00000X 036124 NY Primary

Addresses

Primary practice location

211 W 61St St
New York, NY 10023-7832

Mailing address

232 Elizabeth St Apt 6E
New York, NY 10012-3515

Other practice location 1

320 Custer Rd
Richardson, TX 75080-5623
Phone (972) 490-9055

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)
Not enrolled

State licenses

LicenseStateTypeSpecialty
036124NYMDPhysical Therapist
119855TXMDSpeech-Language Pathologist

Practice roles

OrganizationSpecialtyStatusNew patients
The Warren Center, Inc Speech-Language Pathologist PastSince Oct 29, 2023 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.

NPI Registry JSON

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

{
    "created_epoch": "1698105600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770681600000",
    "number": "1164294187",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "232 ELIZABETH ST APT 6E",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100123515"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "211 W 61ST ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100237832",
            "telephone_number": "212-777-5966"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "320 Custer Rd",
            "address_purpose": "LOCATION",
            "city": "Richardson",
            "state": "TX",
            "postal_code": "750805623",
            "country_code": "US",
            "telephone_number": "972-490-9055",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ELIFF",
        "first_name": "CAROLINE",
        "middle_name": "RUFF",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2023-10-24",
        "last_updated": "2026-02-10",
        "certification_date": "2026-02-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "TX",
            "license": "119855",
            "primary": false
        },
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "NY",
            "license": "036124",
            "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 Feb 10, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.