Organization Active NPI

Rheumatology Specialists of Connecticut, Inc.

  • Rheumatology Physician
  • South Windsor, CT
National Provider Identifier
1720534811
Registry record updated Apr 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Rheumatology PhysicianTaxonomy code 207RR0500X
License
037380 Issued in CT
Legal business name
RHEUMATOLOGY SPECIALISTS OF CONNECTICUT, INC.
Practice address
1504 Sullivan Ave
South Windsor, CT 06074-2711
Phone
(860) 432-8400
Fax
(860) 432-8430
NPI assigned
Aug 29, 2016
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Apr 23, 2026

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

Authorized official

Name
Timothy Quan, MDNPI 1649227208
Title
Owner
Phone
(860) 432-8400

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 2

Specialty (taxonomy)CodeLicenseStatePrimary
Rheumatology PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207RR0500X 037380 CT Primary
Non-Pharmacy Dispensing Site 332900000X

Addresses

Primary practice location

1504 Sullivan Ave
South Windsor, CT 06074-2711

Mailing address

1504 Sullivan Ave
South Windsor, CT 06074-2711
Phone (860) 432-8400

Other practice location 1

399 Farmington Ave Ste Ll2
Farmington, CT 06032-1936
Phone (860) 432-8400

Other practice location 2

2701 Tamarack Ave
South Windsor, CT 06074-5562
Phone (860) 432-8400

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20161107000979 CT Part B Supplier - Clinic/Group Practice 0648558023 Receives reassigned benefits from 3 practitioners
Practice locations: Farmington, CT; Manchester, CT

National Provider Directory

National Provider Directory

Locations

543 N Main St
Manchester, CT 06042
Phone (860) 645-9468

Practitioners & affiliated clinicians

Practitioners 3

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": "1472428800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1776902400000",
    "number": "1720534811",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1504 SULLIVAN AVE",
            "city": "SOUTH WINDSOR",
            "state": "CT",
            "postal_code": "060742711",
            "telephone_number": "860-432-8400",
            "fax_number": "860-432-8430"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1504 SULLIVAN AVE",
            "city": "SOUTH WINDSOR",
            "state": "CT",
            "postal_code": "060742711",
            "telephone_number": "860-432-8400",
            "fax_number": "860-432-8430"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "399 Farmington Ave Ste Ll2",
            "address_purpose": "LOCATION",
            "city": "Farmington",
            "state": "CT",
            "postal_code": "060321936",
            "country_code": "US",
            "telephone_number": "860-432-8400",
            "fax_number": "860-432-8430",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2701 Tamarack Ave",
            "address_purpose": "LOCATION",
            "city": "South Windsor",
            "state": "CT",
            "postal_code": "060745562",
            "country_code": "US",
            "telephone_number": "860-432-8400",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "RHEUMATOLOGY SPECIALISTS OF CONNECTICUT, INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2016-08-29",
        "last_updated": "2026-04-23",
        "certification_date": "2026-04-23",
        "status": "A",
        "authorized_official_last_name": "QUAN",
        "authorized_official_first_name": "TIMOTHY",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "860-432-8400",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine, Rheumatology",
            "state": "CT",
            "license": "037380",
            "primary": true
        },
        {
            "code": "332900000X",
            "taxonomy_group": "",
            "desc": "Non-Pharmacy Dispensing Site",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in South Windsor, CT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.