Active NPI
Rheumatology Specialists of Connecticut, Inc.
- Rheumatology Physician
- South Windsor, CT
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Rheumatology Physician
- License
- 037380
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Timothy Quan, MD
- 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) | Code | License | State | Primary |
|---|---|---|---|---|
| Rheumatology Physician | 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
National Provider Directory
National Provider DirectoryLocations
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.
-
- Rheumatology Physician
- South Windsor, CT
- NPI 1649227208
-
- Physician Assistant
- Manchester, CT
- NPI 1871230573
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
- Reliable Respiratory, Inc.
- Renewed Hope Counseling Center
- Revive Therapeutics, LLC
- Rheumatology Specialists of Connecticut, Inc.
- Rheumatology Specialists of Connecticut, Inc.
- Rheumatology Specialists of Connecticut, Inc.
- Katherine Riddle
- Right Track Psychotherapy LLC
- Nancy Elaine Rizza, PA-C
- Robert C. Goodwin MD LLC
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.