Timothy Edward Quan, M.D.
Rheumatology Physician · South Windsor, CT
Timothy Edward Quan, M.D. is a rheumatology physician with a practice address in South Windsor, Connecticut, and NPI 1649227208, issued on May 28, 2006. Check the license (Connecticut 037380, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Timothy Edward Quan
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 037380 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1504 Sullivan Ave, South Windsor, CT 06074
- Phone
- (860) 432-8400
- Enumerated
- May 28, 2006
- Record last updated
- Jun 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (860) 432-8430
- Medicaid ID
- 1649227208 CT
- Medicare enrollment
- Enrolled (PECOS I20100625000149); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 145 in Connecticut → Look up another NPI →
Also registered at 1504 Sullivan Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susada Inthavong, APRNNurse Practitioner1275770398
- Michael Martin, MDInternal Medicine Physician1952364341
- Madhuri Pratinidhi, MDFamily Medicine Physician1679590038
- Nancy Rizza, PA-CMedical Physician Assistant1609362847
- Pauline Wilks, APRN, FNP-BCFamily Nurse Practitioner1861969966
Verify Timothy Edward Quan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 037380Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% more Medicare Part D claims than the average rheumatology physician in 2024
2,897 Medicare Part D claims for 654 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Hydroxychloroquine Sulfate680 claims
- Prednisone528 claims
- Methotrexate433 claims
- Allopurinol153 claims
- Leflunomide122 claims
- Meloxicam94 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $4,771.97
259 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Rheumatology Specialists OF Connecticut IncFarmington, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy Edward Quan among 145 rheumatology physician records in Connecticut
Timothy Edward Quan, M.D. is one of 145 rheumatology physician records with a practice address in Connecticut. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 18% of them.
- NPI issued2006 · 18% of these records are older, 49% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1996 · median 2004 among the 94 with a school on file
- Record last updated2021 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Connecticut
There are 145 rheumatology physician records in Connecticut.
All 145 in Connecticut → Every provider in South Windsor → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Paul Gibilisco, MDNorfolk, CT 060581013040401
- John Zawidniak, M.D.New Britain, CT 060531932544749
- Edward Feinglass, M.D.New Britain, CT 060511871595157
- Melanie GraberNew Britain, CT 060501740714047
- Jonathan Dixon, M.D.Hartford, CT 061021649382839
- Tejas Sheth, MDHartford, CT 061021124306089
- Monia Chopra, MDHartford, CT 061051235651449
- Susan Giles, MDHartford, CT 061051538132246
Common questions
What is Timothy Edward Quan, M.D.'s NPI number?
Timothy Edward Quan, M.D.'s National Provider Identifier (NPI) is 1649227208, issued on May 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Edward Quan, M.D. located?
The NPPES record lists a practice address at 1504 Sullivan Ave, South Windsor, CT, 06074. Phone: (860) 432-8400. Providers update this record themselves, so call before visiting.
How can I verify Timothy Edward Quan, M.D.'s license?
NPPES lists Connecticut license number 037380, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Timothy Edward Quan, M.D. prescribe under Medicare Part D?
In 2024, Timothy Edward Quan, M.D. had 2,897 Medicare Part D claims for 654 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.