Individual provider Active NPI

Ronald C Fein, LCSW

  • Mental Health Counselor
  • Port Jefferson, NY
National Provider Identifier
1497725956
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
License
R012616 Issued in NY
Practice address
19 Waterview Dr
Port Jefferson, NY 11777-1169
Phone
(631) 331-9794
NPI assigned
Jan 25, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Counselor 101YM0800X R012616 NY Primary

Addresses

Primary practice location

19 Waterview Dr
Port Jefferson, NY 11777-1169

Mailing address

19 Waterview Dr
Port Jefferson, NY 11777-1169
Phone (631) 331-9794

Other identifiers 1

IdentifierTypeStateIssuer
02492657MedicaidNY

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)
Enrolled

State licenses

LicenseStateTypeSpecialty
R012616NYMDMental Health Counselor

NPI Registry JSON

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

{
    "created_epoch": "1138147200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1497725956",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "19 WATERVIEW DR",
            "city": "PORT JEFFERSON",
            "state": "NY",
            "postal_code": "117771169",
            "telephone_number": "631-331-9794"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "19 WATERVIEW DR",
            "city": "PORT JEFFERSON",
            "state": "NY",
            "postal_code": "117771169",
            "telephone_number": "631-331-9794"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FEIN",
        "first_name": "RONALD",
        "middle_name": "C",
        "name_prefix": "Mr.",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-25",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "NY",
            "license": "R012616",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "02492657",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Port Jefferson, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.