Cortex Health PLLC

Primary specialty

Brain Injury Medicine (Psychiatry & Neurology) PhysicianTaxonomy code 2084P0301X

Legal business name

CORTEX HEALTH PLLC

Practice address

3449 Post Rd
Southport, CT 06890-1399

Phone

(917) 453-1081

NPI assigned

Dec 16, 2024

Last updated

Jun 23, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Kenneth H Shubin Stein, MDNPI 1437441987

Title

Chair

Phone

(917) 453-1081

Specialties & licenses 4

Addresses

Other names 2

• Performance46 PLLC Former legal business name
• Cortex Health PLLC Other name

Locations

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.

• Kenneth Hillel Shubin Stein, M.D.

  • Internal Medicine Physician
  • Westport, CT
  • NPI 1437441987
  NPD Authorized official

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

{
    "created_epoch": "1734307200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1782172800000",
    "number": "1801603576",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "55 POST RD W FL 2",
            "city": "WESTPORT",
            "state": "CT",
            "postal_code": "068804235",
            "telephone_number": "917-453-1081"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3449 POST RD",
            "city": "SOUTHPORT",
            "state": "CT",
            "postal_code": "068901399",
            "telephone_number": "917-453-1081"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CORTEX HEALTH PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2024-12-16",
        "last_updated": "2026-06-23",
        "certification_date": "2026-06-23",
        "status": "A",
        "authorized_official_last_name": "SHUBIN STEIN",
        "authorized_official_first_name": "KENNETH",
        "authorized_official_middle_name": "H",
        "authorized_official_title_or_position": "CHAIR",
        "authorized_official_telephone_number": "917-453-1081",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207RS0010X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sports Medicine",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "2081S0010X",
            "taxonomy_group": "",
            "desc": "Physical Medicine & Rehabilitation, Sports Medicine",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "2084P0301X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Brain Injury Medicine",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Performance46 PLLC",
            "code": "4",
            "type": "Former Legal Business Name"
        },
        {
            "organization_name": "Cortex Health PLLC",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Noah Stephen Citsay, MSPT, CSCS
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• David L. Curtis, P.T.
• Josef Davidov
• Mara Davidson, N.D.
• Allie Decker, OD

• Brain Injury Medicine (Psychiatry & Neurology) Physician in Southport, CT
• Providers in Southport, CT by specialty
• Brain Injury Medicine (Psychiatry & Neurology) Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 23, 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.