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Dr. David Selwyn Sager, MD

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Specializes in: Adult Rheumatology

University of Illinois College of Medicine at Chicago (1973)

Professional interests include: rheumatic diseases

150 N. River Road Suite 270
Des Plaines, IL 60016

(847) 298-8470

Dr. David Selwyn Sager, MD is a rheumatologist in Des Plaines, IL specializing in adult rheumatology. He graduated from University of Illinois College of Medicine at Chicago in 1973 and has 53 years of experience. Dr. David Selwyn Sager, MD is affiliated with Endeavor Health.

Office Locations

Endeavor Health

150 N. River Road Suite 270
Des Plaines, IL 60016

(847) 298-8470

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Noteworthy Medicare Patient Procedures Performed by Dr. David Selwyn Sager, MD in 2023

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

Top 5%

By Volume:

phlebotomy for lab tests

shoulder MRI

wrist MRI

By Affordability:

antibody tests

anti-DNA antibody test

anti-double-stranded DNA antibody test

antinuclear antibody test

autoantibody tests

blood draw

blood draw for lab tests

blood tests

complement tests

C-reactive protein testing

cystatin C test

elbow MRI

extractable nuclear antibody test

kidney function tests

phlebotomy for lab tests

rheumatoid factor test

In 2023, among providers in related specialties within Illinois, Dr. David Selwyn Sager, MD performed more blood draw, complete blood count (CBC), cystatin C test, joint MRI, knee X-ray, phlebotomy for lab tests, shoulder MRI, and wrist MRI procedures for Medicare patients than 95% of them and he also had a list price for antibody tests, anti-DNA antibody test, anti-double-stranded DNA (anti-dsDNA) antibody test, antinuclear antibody (ANA) test, autoantibody tests, blood draw, blood draw for lab tests, blood tests, complement tests, C-reactive protein testing, cystatin C test, elbow MRI, extractable nuclear antibody (ENA) test, hand X-ray, immunoglobulin tests, joint MRI, joint X-ray, kidney function tests, knee X-ray, magnesium test, metabolic panel, MRI (magnetic resonance imaging), phlebotomy for lab tests, rheumatoid factor (RF) test, sed rate (ESR), shoulder MRI, upper extremity MRI, uric acid blood test, uric acid test, venipuncture (phlebotomy), vitamin D test, and wrist MRI that was lower than the list prices billed to Medicare by 95% of them. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 10%

By Volume:

biological response modifier therapy

intravenous chemotherapy

lab tests

By Affordability:

blood count tests

complete blood count

intravenous infusion

In 2023, among providers in related specialties within Illinois, Dr. David Selwyn Sager, MD performed more biological response modifier (BRM) therapy, intravenous (IV) chemotherapy, and lab tests procedures for Medicare patients than 90% of them and he also had a list price for blood count tests, complete blood count (CBC), and intravenous (IV) infusion that was lower than the list prices billed to Medicare by 90% of them. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 25%

By Volume:

anti-double-stranded DNA antibody test

autoantibody tests

DEXA with vertebral fracture assessment

intravenous infusion

musculoskeletal imaging

X-rays

By Affordability:

bone density test

central DEXA

DEXA with vertebral fracture assessment

dual-energy X-ray absorptiometry

intravenous infusion therapy

lab tests

vertebral fracture assessment

X-rays

In 2012, among providers in related specialties within Illinois, Dr. David Selwyn Sager, MD performed more anti-double-stranded DNA (anti-dsDNA) antibody test, autoantibody tests, DEXA with vertebral fracture assessment, intravenous (IV) infusion, musculoskeletal imaging, and X-rays procedures for Medicare patients than 75% of them and he also had a list price for bone density test, central DEXA, DEXA with vertebral fracture assessment, dual-energy X-ray absorptiometry (DEXA), intravenous infusion therapy, lab tests, vertebral fracture assessment (VFA), and X-rays that was lower than the list prices billed to Medicare by 75% of them. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. David Selwyn Sager, MD treated as a rheumatologist in Des Plaines, IL during 2012 were lab tests, blood draw, musculoskeletal imaging and X-rays.

Volume of procedures performed by Dr. David Selwyn Sager, MD for Medicare patients.

aspiration	159
biological response modifier (BRM) therapy	401
blood draw	1523
chemotherapy	401
doctor visit	1733
hip imaging	57
injections	159
lab tests	8104
minimally invasive procedures	429
MRI (magnetic resonance imaging)	118
musculoskeletal imaging	869
preventive care	109
thoracic (chest) imaging	45
vaccines	109
vertebral fracture assessment (VFA)	107
X-rays	818

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. David Selwyn Sager, MD treated as a rheumatologist in Des Plaines, IL during 2013 were lab tests, blood draw, musculoskeletal imaging and X-rays.

Volume of procedures performed by Dr. David Selwyn Sager, MD for Medicare patients.

aspiration	101
biological response modifier (BRM) therapy	393
blood draw	1300
chemotherapy	393
doctor visit	1512
hip imaging	50
injections	101
lab tests	7951
minimally invasive procedures	414
MRI (magnetic resonance imaging)	76
musculoskeletal imaging	762
preventive care	33
thoracic (chest) imaging	16
vaccines	33
vertebral fracture assessment (VFA)	94
X-rays	702

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. David Selwyn Sager, MD.

**Gender**
Male	147
Female	295

**Ethnicity**
Non-Hispanic White	422
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	163
From 75 to 84	185
85 and over	77
Less than 65	17

Conditions of Medicare patients treated by Dr. David Selwyn Sager, MD in 2013

Hypertension	70
High Cholesterol	63
Stroke	5
Ischemic Heart Disease	33
Depression	11
Chronic Kidney Disease	24
Asthma	7
Osteoperosis	16
Atrial Fibrilation	15
Heart Failure	16
Chronic Obstructive Pulmonary Disease	10
Diabetes	21
Dementia	7
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. David Selwyn Sager, MD treated as a rheumatologist in Des Plaines, IL during 2014 were lab tests, blood draw, musculoskeletal imaging and X-rays.

Volume of procedures performed by Dr. David Selwyn Sager, MD for Medicare patients.

aspiration	111
biological response modifier (BRM) therapy	399
blood draw	1072
chemotherapy	399
doctor visit	1332
hip imaging	46
injections	111
lab tests	7258
minimally invasive procedures	415
MRI (magnetic resonance imaging)	93
musculoskeletal imaging	700
preventive care	43
vaccines	43
vertebral fracture assessment (VFA)	70
X-rays	633

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. David Selwyn Sager, MD.

**Gender**
Male	130
Female	294

**Ethnicity**
Non-Hispanic White	404
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	167
From 75 to 84	164
85 and over	73
Less than 65	20

Conditions of Medicare patients treated by Dr. David Selwyn Sager, MD in 2014

Hypertension	64
High Cholesterol	60
Stroke	3
Ischemic Heart Disease	33
Depression	14
Chronic Kidney Disease	25
Asthma	6
Osteoperosis	20
Atrial Fibrilation	16
Heart Failure	16
Chronic Obstructive Pulmonary Disease	11
Diabetes	20
Dementia	7
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. David Selwyn Sager, MD treated as a rheumatologist in Des Plaines, IL during 2015 were lab tests, blood draw, musculoskeletal imaging and X-rays.

Volume of procedures performed by Dr. David Selwyn Sager, MD for Medicare patients.

aspiration	106
biological response modifier (BRM) therapy	436
blood draw	1145
chemotherapy	436
doctor visit	1409
hip imaging	47
injections	106
lab tests	7551
minimally invasive procedures	436
MRI (magnetic resonance imaging)	109
musculoskeletal imaging	736
preventive care	25
thoracic (chest) imaging	18
vaccines	25
vertebral fracture assessment (VFA)	90
X-rays	678

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. David Selwyn Sager, MD.

**Gender**
Male	272
Female	586

**Ethnicity**
Non-Hispanic White	822
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	366
From 75 to 84	302
85 and over	154
Less than 65	36

Conditions of Medicare patients treated by Dr. David Selwyn Sager, MD in 2015

Hypertension	68
High Cholesterol	61
Stroke	4
Ischemic Heart Disease	32
Depression	17
Chronic Kidney Disease	24
Asthma	11
Osteoperosis	18
Atrial Fibrilation	16
Heart Failure	18
Chronic Obstructive Pulmonary Disease	14
Diabetes	19
Dementia	5
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. David Selwyn Sager, MD treated as a rheumatologist in Des Plaines, IL during 2016 were lab tests, blood draw, musculoskeletal imaging and X-rays.

Volume of procedures performed by Dr. David Selwyn Sager, MD for Medicare patients.

aspiration	108
biological response modifier (BRM) therapy	547
blood draw	1147
chemotherapy	547
doctor visit	1383
injections	108
lab tests	7516
minimally invasive procedures	547
MRI (magnetic resonance imaging)	96
musculoskeletal imaging	659
preventive care	22
thoracic (chest) imaging	11
vaccines	22
vertebral fracture assessment (VFA)	86
X-rays	574

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. David Selwyn Sager, MD.

**Gender**
Male	159
Female	342

**Ethnicity**
Non-Hispanic White	471
Black	0
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	211
From 75 to 84	166
85 and over	100
Less than 65	24

Conditions of Medicare patients treated by Dr. David Selwyn Sager, MD in 2016

Hypertension	68
High Cholesterol	56
Stroke	4
Ischemic Heart Disease	34
Depression	15
Chronic Kidney Disease	25
Asthma	13
Osteoperosis	21
Atrial Fibrilation	13
Heart Failure	15
Chronic Obstructive Pulmonary Disease	12
Diabetes	19
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. David Selwyn Sager, MD treated as a rheumatologist in Des Plaines, IL during 2017 were lab tests, blood draw, musculoskeletal imaging and chemotherapy.

Volume of procedures performed by Dr. David Selwyn Sager, MD for Medicare patients.

aspiration	141
biological response modifier (BRM) therapy	547
blood draw	1120
chemotherapy	547
doctor visit	1433
injections	141
lab tests	6971
minimally invasive procedures	547
MRI (magnetic resonance imaging)	102
musculoskeletal imaging	616
vertebral fracture assessment (VFA)	102
X-rays	542

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. David Selwyn Sager, MD.

**Gender**
Male	175
Female	316

**Ethnicity**
Non-Hispanic White	464
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	206
From 75 to 84	166
85 and over	99
Less than 65	20

Conditions of Medicare patients treated by Dr. David Selwyn Sager, MD in 2017

Hypertension	66
High Cholesterol	52
Stroke	6
Ischemic Heart Disease	34
Depression	16
Chronic Kidney Disease	24
Asthma	8
Osteoperosis	20
Atrial Fibrilation	14
Heart Failure	16
Chronic Obstructive Pulmonary Disease	13
Diabetes	18
Dementia	11
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. David Selwyn Sager, MD treated as a rheumatologist in Des Plaines, IL during 2018 were lab tests, blood draw, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. David Selwyn Sager, MD for Medicare patients.

aspiration	113
biological response modifier (BRM) therapy	509
blood draw	1046
chemotherapy	509
doctor visit	1299
injections	113
lab tests	6364
minimally invasive procedures	509
MRI (magnetic resonance imaging)	73
musculoskeletal imaging	453
vertebral fracture assessment (VFA)	82
X-rays	380

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. David Selwyn Sager, MD.

**Gender**
Male	155
Female	301

**Ethnicity**
Non-Hispanic White	427
Black	0
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	192
From 75 to 84	158
85 and over	88
Less than 65	18

Conditions of Medicare patients treated by Dr. David Selwyn Sager, MD in 2018

Hypertension	66
High Cholesterol	64
Stroke	4
Ischemic Heart Disease	32
Depression	20
Chronic Kidney Disease	26
Asthma	6
Osteoperosis	20
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	13
Diabetes	20
Dementia	10
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. David Selwyn Sager, MD treated as a rheumatologist in Des Plaines, IL during 2019 were lab tests, blood draw, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. David Selwyn Sager, MD for Medicare patients.

aspiration	88
biological response modifier (BRM) therapy	512
blood draw	1007
chemotherapy	512
doctor visit	1309
injections	88
lab tests	7538
minimally invasive procedures	512
MRI (magnetic resonance imaging)	69
musculoskeletal imaging	421
vertebral fracture assessment (VFA)	87
X-rays	352

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. David Selwyn Sager, MD.

**Gender**
Male	163
Female	290

**Ethnicity**
Non-Hispanic White	423
Black	0
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	185
From 75 to 84	171
85 and over	80
Less than 65	17

Conditions of Medicare patients treated by Dr. David Selwyn Sager, MD in 2019

Hypertension	67
High Cholesterol	62
Stroke	4
Ischemic Heart Disease	34
Depression	17
Chronic Kidney Disease	27
Asthma	6
Osteoperosis	23
Atrial Fibrilation	11
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	20
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. David Selwyn Sager, MD treated as a rheumatologist in Des Plaines, IL during 2020 were lab tests, blood draw, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. David Selwyn Sager, MD for Medicare patients.

aspiration	78
biological response modifier (BRM) therapy	494
blood draw	884
chemotherapy	494
doctor visit	1260
injections	78
lab tests	6033
minimally invasive procedures	494
MRI (magnetic resonance imaging)	51
musculoskeletal imaging	365
vertebral fracture assessment (VFA)	84
X-rays	314

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. David Selwyn Sager, MD.

**Gender**
Male	162
Female	271

**Ethnicity**
Non-Hispanic White	405
Black	0
Hispanic	0
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	178
From 75 to 84	167
85 and over	76
Less than 65	12

Conditions of Medicare patients treated by Dr. David Selwyn Sager, MD in 2020

Hypertension	64
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	36
Depression	16
Chronic Kidney Disease	25
Asthma	6
Osteoperosis	21
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	7
Diabetes	19
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. David Selwyn Sager, MD treated as a rheumatologist in Des Plaines, IL during 2021 were lab tests, blood draw, minimally invasive procedures and musculoskeletal imaging.

Volume of procedures performed by Dr. David Selwyn Sager, MD for Medicare patients.

aspiration	70
biological response modifier (BRM) therapy	389
blood draw	885
chemotherapy	389
doctor visit	1185
injections	70
lab tests	6251
minimally invasive procedures	441
MRI (magnetic resonance imaging)	32
musculoskeletal imaging	391
vertebral fracture assessment (VFA)	121
X-rays	359

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. David Selwyn Sager, MD.

**Gender**
Male	157
Female	270

**Ethnicity**
Non-Hispanic White	389
Black	0
Hispanic	0
Asian	0
Other	18
Native American	0

**Age**
From 65 to 74	183
From 75 to 84	165
85 and over	68
Less than 65	11

Conditions of Medicare patients treated by Dr. David Selwyn Sager, MD in 2021

Hypertension	65
High Cholesterol	62
Stroke	4
Ischemic Heart Disease	32
Depression	12
Chronic Kidney Disease	28
Asthma	5
Osteoperosis	24
Atrial Fibrilation	13
Heart Failure	16
Chronic Obstructive Pulmonary Disease	8
Diabetes	19
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. David Selwyn Sager, MD treated as a rheumatologist in Des Plaines, IL during 2022 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. David Selwyn Sager, MD for Medicare patients.

aspiration	70
biological response modifier (BRM) therapy	362
blood draw	904
chemotherapy	362
doctor visit	1241
injections	70
lab tests	6913
minimally invasive procedures	469
MRI (magnetic resonance imaging)	38
musculoskeletal imaging	353
vertebral fracture assessment (VFA)	110
X-rays	315

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. David Selwyn Sager, MD.

**Gender**
Male	172
Female	282

**Ethnicity**
Non-Hispanic White	419
Black	0
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	188
From 75 to 84	177
85 and over	78
Less than 65	11

Conditions of Medicare patients treated by Dr. David Selwyn Sager, MD in 2022

Hypertension	74
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	28
Depression	16
Chronic Kidney Disease	21
Asthma	7
Osteoperosis	30
Atrial Fibrilation	20
Heart Failure	15
Chronic Obstructive Pulmonary Disease	15
Diabetes	19
Dementia	6
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. David Selwyn Sager, MD for Medicare patients.

The highest averages for the top procedures that Dr. David Selwyn Sager, MD treated as a rheumatologist in Des Plaines, IL were lab tests, blood draw, musculoskeletal imaging and X-rays.

aspiration	104
biological response modifier (BRM) therapy	453
blood draw	1093
chemotherapy	453
doctor visit	1372
hip imaging	50
injections	104
lab tests	7131
minimally invasive procedures	473
MRI (magnetic resonance imaging)	77
musculoskeletal imaging	575
preventive care	46
thoracic (chest) imaging	22
vaccines	46
vertebral fracture assessment (VFA)	93
X-rays	515

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. David Selwyn Sager, MD.

**Gender**
Male	153
Female	295

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	422
Native American / Alaskan Native	0
Hispanic	3
Other	4

**Age**
75 to 84	165
85 and over	81
Less than 65	16
65 to 74	185

Average of Total of Conditions of Medicare patients treated by Dr. David Selwyn Sager, MD From 2012 - 2022

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

Hypertension	61
High Cholesterol	55
Stroke	4
Ischemic Heart Disease	29
Depression	14
Chronic Kidney Disease	22
Asthma	6
Osteoporosis	19
Heart Failure	14
Chronic Obstructive Pulmonary Disease	10
Diabetes	17
Atrial Fibrillation	12
Cancer	11
Dementia	6

Education & Training

Dr. David Selwyn Sager, MD graduated from University of Illinois College of Medicine at Chicago in 1973. He completed residency at University of Illinois at Chicago Affiliated Hospitals. He has a state license in Illinois.

Medical School: University of Illinois College of Medicine at Chicago (1973)

Residency: University of Illinois at Chicago Affiliated Hospitals (1976)

Licensed In: Illinois

Affiliations & Hospitals

Dr. David Selwyn Sager, MD is associated with these hospitals and organizations:

Endeavor Health

Ratings & Reviews

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General Payments

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

**Payments by Company**
US Oncology Corporate, Inc.	$141 $141
AbbVie Inc.	$70 Rinvoq $51	Skyrizi $19
Genentech USA, Inc.	$45 Actemra $45
Tosoh Bioscience, Inc.	$34 PROBE TIP (pk of 6), 1800, 360,600II $34
Janssen Biotech, Inc.	$18 REMICADE $18
Other	$13 UPTRAVI $13

**Types of Payments**
Food and Beverage	$230
Education	$58
Gift	$34

Biography

Dr. David Sager specializes in adult rheumatology and practices in Des Plaines, IL. Dr. Sager's clinical interests include internal medicine and rheumatic diseases. He attended the University of Illinois College of Medicine at Chicago for medical school and subsequently trained at a hospital affiliated with the University of Illinois at Chicago for residency. He is professionally affiliated with Endeavor Health.