Organization Active NPI

Essential Rheumatology LLC

  • Rheumatology Physician
  • Avon, CT
National Provider Identifier
1093631772
Registry record updated Jun 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Rheumatology PhysicianTaxonomy code 207RR0500X
Legal business name
ESSENTIAL RHEUMATOLOGY LLC
Practice address
40 Dale Rd Ste 203
Avon, CT 06001-3692
Phone
(631) 974-8826
Fax
(860) 325-6508
NPI assigned
Jun 26, 2026
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jun 30, 2026

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

Authorized official

Name
Dr. Yousong Wang, MDNPI 1023253200
Title
Owner
Phone
(631) 974-8826

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Rheumatology PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207RR0500X Primary

Addresses

Primary practice location

40 Dale Rd Ste 203
Avon, CT 06001-3692

Mailing address

40 Dale Rd Ste 203
Avon, CT 06001-3692
Phone (860) 325-6908

National Provider Directory

National Provider Directory

Locations

40 Dale Rd
Ste 203
Avon, CT 06001
Phone (860) 232-9911

Practitioners & affiliated clinicians

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1782432000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1782777600000",
    "number": "1093631772",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "40 DALE RD STE 203",
            "city": "AVON",
            "state": "CT",
            "postal_code": "060013692",
            "telephone_number": "860-325-6908",
            "fax_number": "860-325-6508"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "40 DALE RD STE 203",
            "city": "AVON",
            "state": "CT",
            "postal_code": "060013692",
            "telephone_number": "631-974-8826",
            "fax_number": "860-325-6508"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ESSENTIAL RHEUMATOLOGY LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-06-26",
        "last_updated": "2026-06-30",
        "certification_date": "2026-06-30",
        "status": "A",
        "authorized_official_last_name": "WANG",
        "authorized_official_first_name": "YOUSONG",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "631-974-8826",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine, Rheumatology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Avon, CT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 30, 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.