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Dr. Timothy E. Quan, MD

Accepting New Patients

(Dr. Timothy Edward Quan, M.D.)

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Specializes in: Adult Rheumatology

SUNY Downstate Medical Center College of Medicine (1996)

Professional interests include: rheumatic diseases

1504 Sullivan Avenue
South Windsor, CT 06074

(860) 432-8400

Dr. Timothy E. Quan, MD is a rheumatologist in South Windsor, CT specializing in adult rheumatology. He graduated from SUNY Downstate Medical Center College of Medicine in 1996 and has 30 years of experience. Dr. Timothy E. Quan, MD is affiliated with Trinity Health of New England and Eastern Connecticut Health Network.

Office Locations

1504 Sullivan Avenue
South Windsor, CT 06074

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2701 Tamarack Avenue
South Windsor, CT 06074

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399 Farmington Avenue Suite Ll2
Farmington, CT 06032

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543 N Main Street
Ste A Manchester, CT 06042

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In The News

“Dr. Timothy Quan, a rheumatologist in central Connecticut, looked at the 69-year-old man he'd been caring for over the past several months.”—"What Was the Cause of the Excruciating Pain in His Shoulders and Hips? (Published 2019)", New York Times, June 2019

Noteworthy Medicare Patient Procedures Performed by Dr. Timothy E. Quan, MD in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 10%

By Volume:

biological response modifier therapy

injections

intravenous infusion therapy

intravenous chemotherapy

In 2023, Dr. Timothy E. Quan, MD performed more biological response modifier (BRM) therapy, injections, intravenous infusion therapy, and intravenous (IV) chemotherapy procedures for Medicare patients than 90% of providers in related specialties within Connecticut.

Top 25%

By Volume:

joint aspiration

In 2012, Dr. Timothy E. Quan, MD performed more joint aspiration procedures for Medicare patients than 75% of providers in related specialties within Connecticut.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Timothy E. Quan, MD treated as a rheumatologist in South Windsor, CT during 2012 were aspiration, injections and minimally invasive procedures.

Volume of procedures performed by Dr. Timothy E. Quan, MD for Medicare patients.

aspiration	115
doctor visit	698
injections	115
minimally invasive procedures	16

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Timothy E. Quan, MD treated as a rheumatologist in South Windsor, CT during 2013 were aspiration, injections, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. Timothy E. Quan, MD for Medicare patients.

aspiration	133
biological response modifier (BRM) therapy	92
chemotherapy	92
doctor visit	759
injections	133
minimally invasive procedures	113

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy E. Quan, MD.

**Gender**
Male	85
Female	225

**Ethnicity**
Non-Hispanic White	283
Black	11
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	103
From 75 to 84	121
85 and over	40
Less than 65	46

Conditions of Medicare patients treated by Dr. Timothy E. Quan, MD in 2013

Hypertension	69
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	29
Depression	22
Chronic Kidney Disease	24
Asthma	9
Osteoperosis	21
Atrial Fibrilation	15
Heart Failure	14
Chronic Obstructive Pulmonary Disease	15
Diabetes	25
Dementia	7
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Timothy E. Quan, MD treated as a rheumatologist in South Windsor, CT during 2014 were minimally invasive procedures, aspiration, injections and chemotherapy.

Volume of procedures performed by Dr. Timothy E. Quan, MD for Medicare patients.

aspiration	129
biological response modifier (BRM) therapy	119
chemotherapy	119
doctor visit	835
injections	129
minimally invasive procedures	130

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy E. Quan, MD.

**Gender**
Male	83
Female	221

**Ethnicity**
Non-Hispanic White	285
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	118
From 75 to 84	113
85 and over	49
Less than 65	24

Conditions of Medicare patients treated by Dr. Timothy E. Quan, MD in 2014

Hypertension	72
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	29
Depression	21
Chronic Kidney Disease	26
Asthma	13
Osteoperosis	21
Atrial Fibrilation	15
Heart Failure	14
Chronic Obstructive Pulmonary Disease	16
Diabetes	26
Dementia	6
Cancer	8

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Timothy E. Quan, MD treated as a rheumatologist in South Windsor, CT during 2015 were chemotherapy, biological response modifier (BRM) therapy, minimally invasive procedures and aspiration.

Volume of procedures performed by Dr. Timothy E. Quan, MD for Medicare patients.

aspiration	87
biological response modifier (BRM) therapy	133
chemotherapy	133
doctor visit	891
injections	87
minimally invasive procedures	133

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy E. Quan, MD.

**Gender**
Male	190
Female	462

**Ethnicity**
Non-Hispanic White	624
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	258
From 75 to 84	256
85 and over	100
Less than 65	38

Conditions of Medicare patients treated by Dr. Timothy E. Quan, MD in 2015

Hypertension	71
High Cholesterol	60
Stroke	5
Ischemic Heart Disease	29
Depression	20
Chronic Kidney Disease	21
Asthma	13
Osteoperosis	22
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	16
Diabetes	24
Dementia	6
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Timothy E. Quan, MD treated as a rheumatologist in South Windsor, CT during 2016 were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and aspiration.

Volume of procedures performed by Dr. Timothy E. Quan, MD for Medicare patients.

aspiration	101
biological response modifier (BRM) therapy	168
chemotherapy	168
doctor visit	997
injections	101
minimally invasive procedures	181

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy E. Quan, MD.

**Gender**
Male	110
Female	314

**Ethnicity**
Non-Hispanic White	393
Black	0
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	183
From 75 to 84	156
85 and over	61
Less than 65	24

Conditions of Medicare patients treated by Dr. Timothy E. Quan, MD in 2016

Hypertension	69
High Cholesterol	58
Stroke	4
Ischemic Heart Disease	27
Depression	19
Chronic Kidney Disease	25
Asthma	20
Osteoperosis	22
Atrial Fibrilation	12
Heart Failure	14
Chronic Obstructive Pulmonary Disease	16
Diabetes	24
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Timothy E. Quan, MD treated as a rheumatologist in South Windsor, CT during 2017 were chemotherapy, biological response modifier (BRM) therapy, minimally invasive procedures and aspiration.

Volume of procedures performed by Dr. Timothy E. Quan, MD for Medicare patients.

aspiration	74
biological response modifier (BRM) therapy	165
chemotherapy	165
doctor visit	1034
injections	74
minimally invasive procedures	165

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy E. Quan, MD.

**Gender**
Male	144
Female	335

**Ethnicity**
Non-Hispanic White	441
Black	0
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	220
From 75 to 84	172
85 and over	60
Less than 65	27

Conditions of Medicare patients treated by Dr. Timothy E. Quan, MD in 2017

Hypertension	67
High Cholesterol	49
Stroke	3
Ischemic Heart Disease	30
Depression	23
Chronic Kidney Disease	27
Asthma	11
Osteoperosis	17
Atrial Fibrilation	11
Heart Failure	16
Chronic Obstructive Pulmonary Disease	17
Diabetes	27
Dementia	6
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Timothy E. Quan, MD treated as a rheumatologist in South Windsor, CT during 2018 were chemotherapy, biological response modifier (BRM) therapy, minimally invasive procedures and aspiration.

Volume of procedures performed by Dr. Timothy E. Quan, MD for Medicare patients.

aspiration	67
biological response modifier (BRM) therapy	216
chemotherapy	216
doctor visit	839
injections	67
minimally invasive procedures	216

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy E. Quan, MD.

**Gender**
Male	129
Female	320

**Ethnicity**
Non-Hispanic White	408
Black	0
Hispanic	0
Asian	11
Other	17
Native American	0

**Age**
From 65 to 74	187
From 75 to 84	161
85 and over	71
Less than 65	30

Conditions of Medicare patients treated by Dr. Timothy E. Quan, MD in 2018

Hypertension	68
High Cholesterol	58
Stroke	4
Ischemic Heart Disease	32
Depression	21
Chronic Kidney Disease	27
Asthma	10
Osteoperosis	19
Atrial Fibrilation	13
Heart Failure	16
Chronic Obstructive Pulmonary Disease	14
Diabetes	25
Dementia	6
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Timothy E. Quan, MD treated as a rheumatologist in South Windsor, CT during 2019 were chemotherapy, biological response modifier (BRM) therapy, minimally invasive procedures and aspiration.

Volume of procedures performed by Dr. Timothy E. Quan, MD for Medicare patients.

aspiration	113
biological response modifier (BRM) therapy	199
chemotherapy	199
doctor visit	979
injections	113
minimally invasive procedures	199

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy E. Quan, MD.

**Gender**
Male	135
Female	307

**Ethnicity**
Non-Hispanic White	407
Black	0
Hispanic	0
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	179
From 75 to 84	157
85 and over	77
Less than 65	29

Conditions of Medicare patients treated by Dr. Timothy E. Quan, MD in 2019

Hypertension	68
High Cholesterol	61
Stroke	3
Ischemic Heart Disease	35
Depression	24
Chronic Kidney Disease	30
Asthma	12
Osteoperosis	21
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	16
Diabetes	28
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Timothy E. Quan, MD treated as a rheumatologist in South Windsor, CT during 2020 were chemotherapy, biological response modifier (BRM) therapy, minimally invasive procedures and aspiration.

Volume of procedures performed by Dr. Timothy E. Quan, MD for Medicare patients.

aspiration	126
biological response modifier (BRM) therapy	225
chemotherapy	225
doctor visit	1027
injections	126
minimally invasive procedures	225

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy E. Quan, MD.

**Gender**
Male	150
Female	332

**Ethnicity**
Non-Hispanic White	444
Black	0
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	185
From 75 to 84	182
85 and over	83
Less than 65	32

Conditions of Medicare patients treated by Dr. Timothy E. Quan, MD in 2020

Hypertension	69
High Cholesterol	64
Stroke	3
Ischemic Heart Disease	34
Depression	26
Chronic Kidney Disease	31
Asthma	10
Osteoperosis	23
Atrial Fibrilation	14
Heart Failure	15
Chronic Obstructive Pulmonary Disease	16
Diabetes	27
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Timothy E. Quan, MD treated as a rheumatologist in South Windsor, CT during 2021 were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and injections.

Volume of procedures performed by Dr. Timothy E. Quan, MD for Medicare patients.

aspiration	108
biological response modifier (BRM) therapy	147
chemotherapy	147
doctor visit	1091
injections	124
minimally invasive procedures	248

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy E. Quan, MD.

**Gender**
Male	156
Female	329

**Ethnicity**
Non-Hispanic White	447
Black	11
Hispanic	0
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	187
From 75 to 84	197
85 and over	72
Less than 65	29

Conditions of Medicare patients treated by Dr. Timothy E. Quan, MD in 2021

Hypertension	68
High Cholesterol	61
Stroke	4
Ischemic Heart Disease	35
Depression	26
Chronic Kidney Disease	31
Asthma	12
Osteoperosis	25
Atrial Fibrilation	14
Heart Failure	17
Chronic Obstructive Pulmonary Disease	15
Diabetes	27
Dementia	6
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Timothy E. Quan, MD treated as a rheumatologist in South Windsor, CT during 2022 were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and aspiration.

Volume of procedures performed by Dr. Timothy E. Quan, MD for Medicare patients.

aspiration	140
biological response modifier (BRM) therapy	162
chemotherapy	162
doctor visit	1028
injections	140
minimally invasive procedures	296

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Timothy E. Quan, MD.

**Gender**
Male	149
Female	335

**Ethnicity**
Non-Hispanic White	437
Black	0
Hispanic	11
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	197
From 75 to 84	196
85 and over	69
Less than 65	22

Conditions of Medicare patients treated by Dr. Timothy E. Quan, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	30
Depression	26
Chronic Kidney Disease	25
Asthma	17
Osteoperosis	30
Atrial Fibrilation	19
Heart Failure	17
Chronic Obstructive Pulmonary Disease	21
Diabetes	25
Dementia	3
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Timothy E. Quan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Timothy E. Quan, MD treated as a rheumatologist in South Windsor, CT were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and injections.

aspiration	108
biological response modifier (BRM) therapy	162
chemotherapy	162
doctor visit	925
injections	109
minimally invasive procedures	174

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Timothy E. Quan, MD.

**Gender**
Female	289
Male	121

**Ethnicity**
Black / African American	2
Asian / Pacific Islander	1
Non-Hispanic White	379
Native American / Alaskan Native	0
Hispanic	3
Other	7

**Age**
85 and over	62
75 to 84	155
Less than 65	27
65 to 74	165

Average of Total of Conditions of Medicare patients treated by Dr. Timothy E. Quan, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Timothy E. Quan, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	63
High Cholesterol	55
Stroke	3
Ischemic Heart Disease	28
Depression	20
Chronic Kidney Disease	24
Asthma	11
Osteoporosis	20
Heart Failure	13
Chronic Obstructive Pulmonary Disease	14
Diabetes	23
Atrial Fibrillation	12
Dementia	5
Cancer	9

Education & Training

Dr. Timothy E. Quan, MD graduated from SUNY Downstate Medical Center College of Medicine in 1996. He completed residency at Yale-New Haven Hospital. He is certified by the Rheumatology, Internal Medicine, American Board and has a state license in Connecticut.

Medical School: SUNY Downstate Medical Center College of Medicine (1996)

Residency: Yale-New Haven Hospital (1999)

Board Certification: Rheumatology, Internal Medicine, American Board (2001)

Licensed In: Connecticut

Affiliations & Hospitals

Dr. Timothy E. Quan, MD is associated with these hospitals and organizations:

Trinity Health of New England

Eastern Connecticut Health Network

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General Payments

These charts describe general payments received by Dr. Timothy E. Quan, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
AbbVie, Inc.	$14,168 Humira $9,648	Rinvoq $110	Lupron $26	Skyrizi $17	$4,367
Janssen Biotech, Inc.	$4,943 STELARA $3,546	Tremfya $775	SIMPONI $289	SIMPONI ARIA $271	REMICADE $63
Amgen Inc.	$4,659 Prolia $1,688	Enbrel $1,631	Otezla $573	Tavneos $414	AVSOLA $235	Other $119
AbbVie Inc.	$3,212 Rinvoq $2,277	Humira $368	Skyrizi $327	$239
UCB, Inc.	$2,833 Cimzia $2,833
Other	$22,075 ACTHAR $2,198	ORENCIA $1,665	Actemra $1,506	COSENTYX $1,344	KRYSTEXXA $1,201	Other $14,161

**Types of Payments**
Food and Beverage	$39,015
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$10,350
Travel and Lodging	$1,251
Education	$898
Consulting Fee	$375

Biography

Dr. Timothy Quan's specialty is adult rheumatology. In his practice, Dr. Quan focuses on internal medicine and rheumatic diseases. Dr. Quan is affiliated with Eastern Connecticut Health Network and Trinity Health of New England. Before performing his residency at Yale-New Haven Hospital, Dr. Quan attended SUNY Downstate Medical Center College of Medicine for medical school. He welcomes new patients at his office inSOUTH WINDSOR, CT as reported by Eastern Connecticut Health Network.