DR. TIMOTHY EDWARD QUAN M.D.
NPI 1649227208
Internal Medicine - Rheumatology in South Windsor, CT
About Dr. Timothy Edward Quan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TIMOTHY EDWARD QUAN M.D. (NPI 1649227208) is an individual rheumatology provider in South Windsor, Connecticut, licensed in Connecticut (037380) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of State University Of New York Downstate Medical Center (1996).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Timothy Edward Quan M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Timothy Quan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
South Windsor, CT 06074
- Reassigned Medicare billing, Connecticut enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 13
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06074 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SOUTH WINDSOR, CT 06074
SOUTH WINDSOR, CT 06074
SOUTH WINDSOR, CT 06074
SOUTH WINDSOR, CT 06074
SOUTH WINDSOR, CT 06074
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Timothy Quan's NPI number?
The NPI number for Timothy Quan is 1649227208. It was assigned to this individual provider in the NPPES registry on May 28, 2006.
Where is Timothy Quan located?
Timothy Quan practices at 1504 Sullivan Ave, South Windsor, CT 06074. The listed phone number is (860) 432-8400.
What is Timothy Quan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Timothy Quan enrolled in Medicare?
Yes. Timothy Quan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Timothy Quan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Quan reassigns Medicare benefits to Rheumatology Specialists Of Connecticut, Inc. (South Windsor, CT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Timothy Quan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Timothy Quan was last updated on June 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.