Individual provider Active NPI

Sharon Dudhnath-Grotsky, BCBA

  • Behavior Analyst
  • Greenwich, CT
National Provider Identifier
1124414487
Registry record updated Oct 16, 2020
On this page

Key facts

NPPES NPI Registry
Primary specialty
Behavior AnalystTaxonomy code 103K00000X
Practice address
280 Davis Ave # 1
Greenwich, CT 06830-6347
Phone
(516) 721-4392
NPI assigned
Apr 13, 2015
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 16, 2020

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Behavior Analyst 103K00000X Primary

Addresses

Primary practice location

280 Davis Ave # 1
Greenwich, CT 06830-6347

Mailing address

280 Davis Ave # 1
Greenwich, CT 06830-6347
Phone (516) 721-4392

Other practice location 1

424 Peninsula Ave
San Mateo, CA 94401-1653
Phone (650) 286-4396

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address support@ascendautism.com Direct

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

Practice roles

OrganizationSpecialtyStatusNew patients
Ascend Autism Behavioral Services, PLLC Behavior Analyst CurrentSince Oct 19, 2020 Accepting new patients
Ascend Autism Medical Diagnostic Services PLLC PastSince Mar 11, 2025 Accepting new patients
Ascend Autism OT & SLP Services PLLC PastSince Mar 11, 2025 Accepting new patients

Organizations & group practices 3

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": "1428883200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1602806400000",
    "number": "1124414487",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "280 DAVIS AVE # 1",
            "city": "GREENWICH",
            "state": "CT",
            "postal_code": "068306347",
            "telephone_number": "516-721-4392"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "280 DAVIS AVE # 1",
            "city": "GREENWICH",
            "state": "CT",
            "postal_code": "068306347",
            "telephone_number": "516-721-4392"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "424 Peninsula Ave",
            "address_purpose": "LOCATION",
            "city": "San Mateo",
            "state": "CA",
            "postal_code": "944011653",
            "country_code": "US",
            "telephone_number": "650-286-4396",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DUDHNATH-GROTSKY",
        "first_name": "SHARON",
        "credential": "BCBA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-04-13",
        "last_updated": "2020-10-16",
        "certification_date": "2020-10-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103K00000X",
            "taxonomy_group": "",
            "desc": "Behavior Analyst",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "support@ascendautism.com",
            "affiliation": "N",
            "endpointDescription": "Email",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "280 Davis Ave # 1",
            "city": "Greenwich",
            "state": "CT",
            "country_code": "US",
            "postal_code": "068306347",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Greenwich, CT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 16, 2020; 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.