Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > CO Providers

Dr. Stuart S. Kassan, MD

(427 Ratings)

Specializes in: Adult Rheumatology

198 Union Boulevard Suite 150
Lakewood, CO 80228

(303) 892-6033

Dr. Stuart S. Kassan, MD is a rheumatologist in Denver, CO specializing in adult rheumatology. Dr. Stuart S. Kassan, MD is affiliated with National Jewish Health.

Office Locations

1400 Jackson Street
Denver, CO 80206

open_in_new

198 Union Boulevard Suite 150
Lakewood, CO 80228

(303) 892-6033

(303) 573-6929

open_in_new

In The News

“New board officers for 2010 include Seth Belzley, TransMontaigne, chair; Katherine Kust, Fleishman Shapiro, secretary; Gary Wilson, DPC Cos., treasurer; and Dr. Stuart Kassan, professor of medicine...”—"People on the move", The Denver Post, April 2010

“AMERICAN COLLEGE OF RHEUMATOLOGY RESEARCH AND EDUCATION FOUNDATION: Named Dr. Stuart Kassan of Colorado Arthritis Associates to Within Our Reach: Finding a Cure for Rheumatoid Arthritis Volunteer...”—"People on the move", The Denver Post, September 2008

“Early diagnosis and treatment are key to fighting lupus, says Dr. Stuart Kassan, a Denver rheumatologist and chairman of the board of directors of the Lupus Foundation of Colorado.”—"THE DAYS OF THE WEAK FOR MORE INFORMATION", South Florida Sun-Sentinel, October 2000

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Stuart S. Kassan, MD treated as a rheumatologist in Denver, CO during 2012 were X-rays, musculoskeletal imaging, aspiration and injections.

Volume of procedures performed by Dr. Stuart S. Kassan, MD for Medicare patients.

aspiration	448
doctor visit	1701
hip imaging	277
injections	448
lab tests	16
MRI (magnetic resonance imaging)	340
musculoskeletal imaging	1824
preventive care	16
spinal procedures	392
thoracic (chest) imaging	32
X-rays	1908

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Stuart S. Kassan, MD treated as a rheumatologist in Denver, CO during 2013 were X-rays, musculoskeletal imaging, spinal procedures and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Stuart S. Kassan, MD for Medicare patients.

aspiration	245
doctor visit	1698
hip imaging	315
injections	245
MRI (magnetic resonance imaging)	407
musculoskeletal imaging	1995
spinal procedures	426
thoracic (chest) imaging	29
X-rays	2043

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Stuart S. Kassan, MD.

**Gender**
Male	74
Female	272

**Ethnicity**
Non-Hispanic White	315
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	173
From 75 to 84	89
85 and over	16
Less than 65	68

Conditions of Medicare patients treated by Dr. Stuart S. Kassan, MD in 2013

Hypertension	49
High Cholesterol	40
Stroke	4
Ischemic Heart Disease	24
Depression	21
Chronic Kidney Disease	23
Asthma	12
Osteoperosis	11
Atrial Fibrilation	7
Heart Failure	8
Chronic Obstructive Pulmonary Disease	15
Diabetes	15
Dementia	3
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Stuart S. Kassan, MD treated as a rheumatologist in Denver, CO during 2014 were musculoskeletal imaging, X-rays, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Stuart S. Kassan, MD for Medicare patients.

aspiration	202
doctor visit	1694
hip imaging	276
injections	202
lab tests	14
MRI (magnetic resonance imaging)	522
musculoskeletal imaging	1920
preventive care	14
spinal procedures	358
thoracic (chest) imaging	45
X-rays	1801

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Stuart S. Kassan, MD.

**Gender**
Male	78
Female	266

**Ethnicity**
Non-Hispanic White	310
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	168
From 75 to 84	82
85 and over	20
Less than 65	74

Conditions of Medicare patients treated by Dr. Stuart S. Kassan, MD in 2014

Hypertension	44
High Cholesterol	39
Stroke	3
Ischemic Heart Disease	26
Depression	17
Chronic Kidney Disease	22
Asthma	11
Osteoperosis	14
Atrial Fibrilation	6
Heart Failure	8
Chronic Obstructive Pulmonary Disease	12
Diabetes	13
Dementia	6
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Stuart S. Kassan, MD treated as a rheumatologist in Denver, CO during 2015 were musculoskeletal imaging, X-rays, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Stuart S. Kassan, MD for Medicare patients.

aspiration	129
doctor visit	1776
hip imaging	259
injections	129
MRI (magnetic resonance imaging)	535
musculoskeletal imaging	1760
spinal procedures	322
thoracic (chest) imaging	50
X-rays	1597

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Stuart S. Kassan, MD.

**Gender**
Male	144
Female	478

**Ethnicity**
Non-Hispanic White	568
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	314
From 75 to 84	154
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Stuart S. Kassan, MD in 2015

Hypertension	49
High Cholesterol	40
Stroke	4
Ischemic Heart Disease	26
Depression	20
Chronic Kidney Disease	19
Asthma	14
Osteoperosis	15
Atrial Fibrilation	8
Heart Failure	7
Chronic Obstructive Pulmonary Disease	11
Diabetes	16
Dementia	5
Cancer	6

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Stuart S. Kassan, MD treated as a rheumatologist in Denver, CO during 2016 were musculoskeletal imaging, X-rays, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Stuart S. Kassan, MD for Medicare patients.

aspiration	126
doctor visit	1845
hip imaging	118
injections	126
MRI (magnetic resonance imaging)	538
musculoskeletal imaging	1850
spinal procedures	415
thoracic (chest) imaging	57
X-rays	1784

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Stuart S. Kassan, MD.

**Gender**
Male	83
Female	285

**Ethnicity**
Non-Hispanic White	329
Black	0
Hispanic	27
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	189
From 75 to 84	82
85 and over	16
Less than 65	81

Conditions of Medicare patients treated by Dr. Stuart S. Kassan, MD in 2016

Hypertension	49
High Cholesterol	39
Stroke	4
Ischemic Heart Disease	24
Depression	23
Chronic Kidney Disease	21
Asthma	17
Osteoperosis	17
Atrial Fibrilation	7
Heart Failure	11
Chronic Obstructive Pulmonary Disease	12
Diabetes	17
Dementia	5
Cancer	6

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Stuart S. Kassan, MD treated as a rheumatologist in Denver, CO during 2017 were musculoskeletal imaging, X-rays, MRI (magnetic resonance imaging) and spinal procedures.

Volume of procedures performed by Dr. Stuart S. Kassan, MD for Medicare patients.

aspiration	280
doctor visit	1987
hip imaging	111
injections	280
MRI (magnetic resonance imaging)	484
musculoskeletal imaging	1842
spinal procedures	412
thoracic (chest) imaging	46
X-rays	1816

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Stuart S. Kassan, MD.

**Gender**
Male	104
Female	298

**Ethnicity**
Non-Hispanic White	355
Black	0
Hispanic	32
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	216
From 75 to 84	94
85 and over	19
Less than 65	73

Conditions of Medicare patients treated by Dr. Stuart S. Kassan, MD in 2017

Hypertension	48
High Cholesterol	36
Stroke	3
Ischemic Heart Disease	23
Depression	23
Chronic Kidney Disease	25
Asthma	11
Osteoperosis	16
Atrial Fibrilation	8
Heart Failure	10
Chronic Obstructive Pulmonary Disease	9
Diabetes	17
Dementia	6
Cancer	7

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Stuart S. Kassan, MD treated as a rheumatologist in Denver, CO during 2018 were X-rays, musculoskeletal imaging, spinal procedures and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Stuart S. Kassan, MD for Medicare patients.

aspiration	344
doctor visit	1807
hip imaging	55
injections	344
MRI (magnetic resonance imaging)	382
musculoskeletal imaging	1737
spinal procedures	413
X-rays	1768

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Stuart S. Kassan, MD.

**Gender**
Male	103
Female	311

**Ethnicity**
Non-Hispanic White	368
Black	0
Hispanic	29
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	228
From 75 to 84	95
85 and over	23
Less than 65	68

Conditions of Medicare patients treated by Dr. Stuart S. Kassan, MD in 2018

Hypertension	48
High Cholesterol	38
Stroke	5
Ischemic Heart Disease	26
Depression	23
Chronic Kidney Disease	24
Asthma	11
Osteoperosis	20
Atrial Fibrilation	8
Heart Failure	11
Chronic Obstructive Pulmonary Disease	12
Diabetes	17
Dementia	7
Cancer	8

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Stuart S. Kassan, MD treated as a rheumatologist in Denver, CO during 2019 were X-rays, musculoskeletal imaging, spinal procedures and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Stuart S. Kassan, MD for Medicare patients.

aspiration	344
doctor visit	1624
hip imaging	80
injections	344
MRI (magnetic resonance imaging)	360
musculoskeletal imaging	1930
spinal procedures	481
X-rays	2051

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Stuart S. Kassan, MD.

**Gender**
Male	93
Female	278

**Ethnicity**
Non-Hispanic White	330
Black	0
Hispanic	23
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	199
From 75 to 84	97
85 and over	13
Less than 65	62

Conditions of Medicare patients treated by Dr. Stuart S. Kassan, MD in 2019

Hypertension	47
High Cholesterol	42
Stroke	3
Ischemic Heart Disease	26
Depression	26
Chronic Kidney Disease	24
Asthma	12
Osteoperosis	20
Atrial Fibrilation	8
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	15
Dementia	7
Cancer	7

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Stuart S. Kassan, MD treated as a rheumatologist in Denver, CO during 2020 were X-rays, musculoskeletal imaging, spinal procedures and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Stuart S. Kassan, MD for Medicare patients.

aspiration	319
doctor visit	1545
hip imaging	76
injections	319
MRI (magnetic resonance imaging)	338
musculoskeletal imaging	1774
spinal procedures	477
X-rays	1913

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Stuart S. Kassan, MD.

**Gender**
Male	84
Female	269

**Ethnicity**
Non-Hispanic White	318
Black	0
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	191
From 75 to 84	92
85 and over	15
Less than 65	55

Conditions of Medicare patients treated by Dr. Stuart S. Kassan, MD in 2020

Hypertension	41
High Cholesterol	37
Stroke	4
Ischemic Heart Disease	25
Depression	26
Chronic Kidney Disease	24
Asthma	11
Osteoperosis	20
Atrial Fibrilation	6
Heart Failure	11
Chronic Obstructive Pulmonary Disease	7
Diabetes	16
Dementia	6
Cancer	5

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Stuart S. Kassan, MD treated as a rheumatologist in Denver, CO during 2021 were X-rays, musculoskeletal imaging, spinal procedures and aspiration.

Volume of procedures performed by Dr. Stuart S. Kassan, MD for Medicare patients.

aspiration	362
doctor visit	1473
hip imaging	68
injections	362
MRI (magnetic resonance imaging)	282
musculoskeletal imaging	1451
spinal procedures	368
X-rays	1537

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Stuart S. Kassan, MD.

**Gender**
Male	82
Female	271

**Ethnicity**
Non-Hispanic White	318
Black	0
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	179
From 75 to 84	109
85 and over	15
Less than 65	50

Conditions of Medicare patients treated by Dr. Stuart S. Kassan, MD in 2021

Hypertension	47
High Cholesterol	44
Stroke	5
Ischemic Heart Disease	27
Depression	27
Chronic Kidney Disease	23
Asthma	14
Osteoperosis	24
Atrial Fibrilation	8
Heart Failure	10
Chronic Obstructive Pulmonary Disease	9
Diabetes	16
Dementia	5
Cancer	8

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Stuart S. Kassan, MD treated as a rheumatologist in Denver, CO during 2022 were X-rays, musculoskeletal imaging, spinal procedures and aspiration.

Volume of procedures performed by Dr. Stuart S. Kassan, MD for Medicare patients.

aspiration	350
doctor visit	1261
injections	350
musculoskeletal imaging	1256
spinal procedures	418
X-rays	1674

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Stuart S. Kassan, MD.

**Gender**
Male	82
Female	261

**Ethnicity**
Non-Hispanic White	310
Black	0
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	169
From 75 to 84	113
85 and over	19
Less than 65	42

Conditions of Medicare patients treated by Dr. Stuart S. Kassan, MD in 2022

Hypertension	58
High Cholesterol	59
Stroke	9
Ischemic Heart Disease	22
Depression	27
Chronic Kidney Disease	16
Asthma	18
Osteoperosis	29
Atrial Fibrilation	11
Heart Failure	8
Chronic Obstructive Pulmonary Disease	15
Diabetes	16
Dementia	4
Cancer	11

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Stuart S. Kassan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Stuart S. Kassan, MD treated as a rheumatologist in Denver, CO were X-rays, musculoskeletal imaging, MRI (magnetic resonance imaging) and spinal procedures.

aspiration	286
doctor visit	1673
hip imaging	163
injections	286
lab tests	15
MRI (magnetic resonance imaging)	418
musculoskeletal imaging	1758
preventive care	15
spinal procedures	407
thoracic (chest) imaging	43
X-rays	1808

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Stuart S. Kassan, MD.

**Gender**
Male	84
Female	271

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	320
Native American / Alaskan Native	0
Hispanic	13
Other	0

**Age**
75 to 84	91
85 and over	14
Less than 65	52
65 to 74	184

Average of Total of Conditions of Medicare patients treated by Dr. Stuart S. Kassan, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Stuart S. Kassan, MD treated were hypertension, high cholesterol, ischemic heart disease and depression.

Hypertension	43
High Cholesterol	37
Stroke	4
Ischemic Heart Disease	22
Depression	21
Chronic Kidney Disease	20
Asthma	11
Osteoporosis	16
Heart Failure	8
Chronic Obstructive Pulmonary Disease	10
Diabetes	14
Atrial Fibrillation	7
Dementia	4
Cancer	6

Education & Training

He completed residency at Emory University Affiliated Hospitals. He is certified by the Board Certification: - Internal Medicine and has a state license in Colorado.

Residency: Emory University Affiliated Hospitals (1976)

Board Certification: Board Certification: - Internal Medicine (1975)

Licensed In: Colorado

Affiliations & Hospitals

Dr. Stuart S. Kassan, MD is associated with these hospitals and organizations:

National Jewish Health

Ratings & Reviews

Dr. Stuart S. Kassan, MD has an exceptional overall rating with an average of 4.9 out of 5 stars based on 427 ratings. We collect ratings and reviews of Dr. Stuart S. Kassan, MD from all over the web to help you find the right in Denver, CO.

4.9

Overall Rating

(427 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
GlaxoSmithKline, LLC.	$959 BENLYSTA $946	NUCALA $13
Genentech USA, Inc.	$600 Actemra $395	Rituxan $87	$119
Pfizer Inc.	$574 LYRICA $382	XELJANZ $98	EMBEDA $28	INFLECTRA $27	FLECTOR PATCH $25	Other $16
AbbVie Inc.	$415 Rinvoq $214	Skyrizi $163	Humira $39
AbbVie, Inc.	$360 Humira $241	Lupron $119
Other	$2,319 COSENTYX $245	PURIFIED CORTROPHIN GEL $219	ACTHAR $165	KRYSTEXXA $161	ORENCIA $133	Other $1,397

**Types of Payments**
Food and Beverage	$5,035
Education	$192

Research Payments

Dr. Stuart S. Kassan, MD has received 39 research payments totaling $121,700.

Biography

Dr. Stuart Kassan sees patients in Lakewood, CO and Denver, CO. His medical specialty is adult rheumatology. He is affiliated with National Jewish Health. Before completing his residency at a hospital affiliated with Emory University, Dr. Kassan attended medical school at George Washington University School of Medicine and Health Sciences. The average patient rating for Dr. Kassan is 5.0 stars (out of 5).