Individual provider Active NPI

Phyllis Itzkowitz, DSW

  • Clinical Social Worker
  • New York, NY
National Provider Identifier
1972675114
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
PR12785 Issued in NY
Practice address
125 E 87TH St
Suite 17C
New York, NY 10128-1124
Phone
(212) 369-8879
NPI assigned
Nov 14, 2006
Last updated
Sep 11, 2025By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Counselor 101YM0800X PR12875 NY
Clinical Social Worker 1041C0700X PR12785 NY Primary

Addresses

Primary practice location

125 E 87TH St
Suite 17C
New York, NY 10128-1124

Mailing address

125 E 87TH St
17C
New York, NY 10128-1124
Phone (212) 369-8879

Other identifiers 1

IdentifierTypeStateIssuer
PR12875 LCSWOtherNYSTATE LICENSE #

Other names 1

  • Dr. Phyllis Mervis Professional name

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
PR12875NYMDMental Health Counselor
PR12785NYMDClinical Social Worker

NPI Registry JSON

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

{
    "created_epoch": "1163462400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1972675114",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "125 E 87TH ST",
            "address_2": "17C",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "101281124",
            "telephone_number": "212-369-8879",
            "fax_number": "212-534-6774"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "125 E 87TH ST",
            "address_2": "SUITE 17C",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "101281124",
            "telephone_number": "212-369-8879"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ITZKOWITZ",
        "first_name": "PHYLLIS",
        "name_prefix": "Dr.",
        "credential": "DSW",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-11-14",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "NY",
            "license": "PR12875",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "NY",
            "license": "PR12785",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "STATE LICENSE #",
            "identifier": "PR12875 LCSW",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "PHYLLIS",
            "last_name": "MERVIS",
            "prefix": "DR.",
            "credential": "DSW",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

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 11, 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.

Verify at the official NPI Registry.