Organization Active NPI

Step One Applied Behavior Analysis, PLLC

  • Behavior Analyst
  • Monsey, NY
National Provider Identifier
1083511190
Registry record updated Oct 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Behavior AnalystTaxonomy code 103K00000X
Legal business name
STEP ONE APPLIED BEHAVIOR ANALYSIS, PLLC
Practice address
2 Hayes LN Unit 303
Monsey, NY 10952-2224
Phone
(347) 563-8828
NPI assigned
Oct 22, 2026
Last updated
Oct 22, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Oct 22, 2026

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

Authorized official

Name
Shulem WertzbergerNPI 1558105171
Title
Owner
Phone
(347) 563-8828

Authorized official NPPES reports the official by name only. The link goes to the one practitioner with that name whose NPPES practice address or phone number is this organization’s.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Behavior AnalystGroup: 193400000X SINGLE SPECIALTY GROUP 103K00000X Primary

Addresses

Primary practice location

2 Hayes LN Unit 303
Monsey, NY 10952-2224

Mailing address

2 Hayes LN Unit 303
Monsey, NY 10952-2224

National Provider Directory

National Provider Directory

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1792627200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1792627200000",
    "number": "1083511190",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2 HAYES LN UNIT 303",
            "city": "MONSEY",
            "state": "NY",
            "postal_code": "109522224"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2 HAYES LN UNIT 303",
            "city": "MONSEY",
            "state": "NY",
            "postal_code": "109522224",
            "telephone_number": "347-563-8828"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "STEP ONE APPLIED BEHAVIOR ANALYSIS, PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-10-22",
        "last_updated": "2026-10-22",
        "certification_date": "2026-10-21",
        "status": "A",
        "authorized_official_last_name": "WERTZBERGER",
        "authorized_official_first_name": "SHULEM",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "347-563-8828"
    },
    "taxonomies": [
        {
            "code": "103K00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Behavior Analyst",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Monsey, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 22, 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.