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Dr. Robert G. Trapp, MD

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Specializes in: Adult Rheumatology

800 N 1st Street
Springfield, IL 62702

(217) 528-7541

Dr. Robert G. Trapp, MD is a rheumatologist in Springfield, IL specializing in adult rheumatology.

Office Locations

800 N 1st Street
Springfield, IL 62702

(217) 528-7541

(217) 522-4560

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In The News

“Dr. Robert Trapp, rheumatologist at the Arthritis Center in Springfield, said most of his patients claim they can consistently sense a storm approaching as early as two to three days in advance.”—"Why does it hurt right before it rains?", Southwest Daily News, August 2010

Noteworthy Medicare Patient Procedures Performed by Dr. Robert G. Trapp, MD in 2023

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

Top 5%

By Affordability:

blood draw

blood draw for lab tests

In 2023, Dr. Robert G. Trapp, MD had a list price for blood draw, and blood draw for lab tests that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Illinois. 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 Affordability:

phlebotomy for lab tests

venipuncture

In 2023, Dr. Robert G. Trapp, MD had a list price for phlebotomy for lab tests, and venipuncture (phlebotomy) that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Illinois. 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. Robert G. Trapp, MD treated as a rheumatologist in Springfield, IL during 2012 were blood draw, aspiration, injections and X-rays.

Volume of procedures performed by Dr. Robert G. Trapp, MD for Medicare patients.

aspiration	120
blood draw	549
doctor visit	1449
injections	120
musculoskeletal imaging	42
X-rays	42

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Robert G. Trapp, MD treated as a rheumatologist in Springfield, IL during 2013 were blood draw, aspiration, injections and X-rays.

Volume of procedures performed by Dr. Robert G. Trapp, MD for Medicare patients.

aspiration	103
blood draw	684
doctor visit	1475
injections	103
musculoskeletal imaging	33
X-rays	33

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert G. Trapp, MD.

**Gender**
Male	131
Female	365

**Ethnicity**
Non-Hispanic White	468
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	247
From 75 to 84	123
85 and over	54
Less than 65	72

Conditions of Medicare patients treated by Dr. Robert G. Trapp, MD in 2013

Hypertension	62
High Cholesterol	48
Stroke	3
Ischemic Heart Disease	31
Depression	21
Chronic Kidney Disease	16
Asthma	12
Osteoperosis	14
Atrial Fibrilation	8
Heart Failure	16
Chronic Obstructive Pulmonary Disease	14
Diabetes	22
Dementia	6
Cancer	8

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Robert G. Trapp, MD treated as a rheumatologist in Springfield, IL during 2014 were blood draw, aspiration, injections and X-rays.

Volume of procedures performed by Dr. Robert G. Trapp, MD for Medicare patients.

aspiration	52
blood draw	439
doctor visit	1150
injections	52
musculoskeletal imaging	23
X-rays	23

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert G. Trapp, MD.

**Gender**
Male	122
Female	302

**Ethnicity**
Non-Hispanic White	395
Black	0
Hispanic	0
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	214
From 75 to 84	105
85 and over	38
Less than 65	67

Conditions of Medicare patients treated by Dr. Robert G. Trapp, MD in 2014

Hypertension	54
High Cholesterol	44
Stroke	3
Ischemic Heart Disease	33
Depression	19
Chronic Kidney Disease	15
Asthma	9
Osteoperosis	10
Atrial Fibrilation	6
Heart Failure	13
Chronic Obstructive Pulmonary Disease	15
Diabetes	23
Dementia	4
Cancer	8

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Robert G. Trapp, MD treated as a rheumatologist in Springfield, IL during 2015 were blood draw, aspiration and injections.

Volume of procedures performed by Dr. Robert G. Trapp, MD for Medicare patients.

aspiration	38
blood draw	366
doctor visit	998
injections	38

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert G. Trapp, MD.

**Gender**
Male	206
Female	552

**Ethnicity**
Non-Hispanic White	710
Black	22
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	386
From 75 to 84	180
85 and over	78
Less than 65	114

Conditions of Medicare patients treated by Dr. Robert G. Trapp, MD in 2015

Hypertension	66
High Cholesterol	47
Stroke	3
Ischemic Heart Disease	36
Depression	19
Chronic Kidney Disease	18
Asthma	15
Osteoperosis	13
Atrial Fibrilation	7
Heart Failure	13
Chronic Obstructive Pulmonary Disease	16
Diabetes	25
Dementia	3
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Robert G. Trapp, MD treated as a rheumatologist in Springfield, IL during 2016 were blood draw, aspiration, injections and chemotherapy.

Volume of procedures performed by Dr. Robert G. Trapp, MD for Medicare patients.

aspiration	78
biological response modifier (BRM) therapy	25
blood draw	408
chemotherapy	25
doctor visit	928
injections	78
minimally invasive procedures	25

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert G. Trapp, MD.

**Gender**
Male	94
Female	287

**Ethnicity**
Non-Hispanic White	360
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	192
From 75 to 84	107
85 and over	40
Less than 65	42

Conditions of Medicare patients treated by Dr. Robert G. Trapp, MD in 2016

Hypertension	62
High Cholesterol	44
Stroke	3
Ischemic Heart Disease	32
Depression	21
Chronic Kidney Disease	20
Asthma	18
Osteoperosis	14
Atrial Fibrilation	6
Heart Failure	14
Chronic Obstructive Pulmonary Disease	15
Diabetes	23
Dementia	3
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Robert G. Trapp, MD treated as a rheumatologist in Springfield, IL during 2017 were blood draw, aspiration, injections and minimally invasive procedures.

Volume of procedures performed by Dr. Robert G. Trapp, MD for Medicare patients.

aspiration	75
biological response modifier (BRM) therapy	32
blood draw	352
chemotherapy	32
doctor visit	876
injections	75
minimally invasive procedures	44

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert G. Trapp, MD.

**Gender**
Male	98
Female	307

**Ethnicity**
Non-Hispanic White	381
Black	0
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	199
From 75 to 84	117
85 and over	36
Less than 65	53

Conditions of Medicare patients treated by Dr. Robert G. Trapp, MD in 2017

Hypertension	61
High Cholesterol	42
Stroke	3
Ischemic Heart Disease	31
Depression	23
Chronic Kidney Disease	22
Asthma	7
Osteoperosis	16
Atrial Fibrilation	7
Heart Failure	11
Chronic Obstructive Pulmonary Disease	16
Diabetes	25
Dementia	6
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Robert G. Trapp, MD treated as a rheumatologist in Springfield, IL during 2018 were blood draw, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Robert G. Trapp, MD for Medicare patients.

aspiration	66
biological response modifier (BRM) therapy	73
blood draw	356
chemotherapy	73
doctor visit	848
injections	66
minimally invasive procedures	93

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert G. Trapp, MD.

**Gender**
Male	104
Female	323

**Ethnicity**
Non-Hispanic White	401
Black	0
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	198
From 75 to 84	129
85 and over	39
Less than 65	61

Conditions of Medicare patients treated by Dr. Robert G. Trapp, MD in 2018

Hypertension	63
High Cholesterol	49
Stroke	3
Ischemic Heart Disease	33
Depression	25
Chronic Kidney Disease	27
Asthma	8
Osteoperosis	18
Atrial Fibrilation	11
Heart Failure	15
Chronic Obstructive Pulmonary Disease	18
Diabetes	27
Dementia	6
Cancer	7

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Robert G. Trapp, MD treated as a rheumatologist in Springfield, IL during 2019 were blood draw, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Robert G. Trapp, MD for Medicare patients.

aspiration	48
biological response modifier (BRM) therapy	83
blood draw	273
chemotherapy	83
doctor visit	796
injections	48
minimally invasive procedures	109

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert G. Trapp, MD.

**Gender**
Male	108
Female	306

**Ethnicity**
Non-Hispanic White	390
Black	0
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	201
From 75 to 84	125
85 and over	32
Less than 65	56

Conditions of Medicare patients treated by Dr. Robert G. Trapp, MD in 2019

Hypertension	66
High Cholesterol	51
Stroke	4
Ischemic Heart Disease	35
Depression	22
Chronic Kidney Disease	29
Asthma	8
Osteoperosis	19
Atrial Fibrilation	8
Heart Failure	14
Chronic Obstructive Pulmonary Disease	22
Diabetes	27
Dementia	5
Cancer	8

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Robert G. Trapp, MD treated as a rheumatologist in Springfield, IL during 2020 were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and aspiration.

Volume of procedures performed by Dr. Robert G. Trapp, MD for Medicare patients.

aspiration	57
biological response modifier (BRM) therapy	134
chemotherapy	134
doctor visit	595
injections	57
minimally invasive procedures	167

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert G. Trapp, MD.

**Gender**
Male	94
Female	252

**Ethnicity**
Non-Hispanic White	323
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	171
From 75 to 84	106
85 and over	31
Less than 65	38

Conditions of Medicare patients treated by Dr. Robert G. Trapp, MD in 2020

Hypertension	59
High Cholesterol	46
Stroke	0
Ischemic Heart Disease	33
Depression	16
Chronic Kidney Disease	23
Asthma	5
Osteoperosis	24
Atrial Fibrilation	8
Heart Failure	12
Chronic Obstructive Pulmonary Disease	18
Diabetes	23
Dementia	5
Cancer	8

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Robert G. Trapp, MD treated as a rheumatologist in Springfield, IL during 2021 were minimally invasive procedures, chemotherapy, biological response modifier (BRM) therapy and aspiration.

Volume of procedures performed by Dr. Robert G. Trapp, MD for Medicare patients.

aspiration	28
biological response modifier (BRM) therapy	79
chemotherapy	79
doctor visit	640
injections	28
minimally invasive procedures	202

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert G. Trapp, MD.

**Gender**
Male	101
Female	274

**Ethnicity**
Non-Hispanic White	352
Black	0
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	200
From 75 to 84	111
85 and over	37
Less than 65	27

Conditions of Medicare patients treated by Dr. Robert G. Trapp, MD in 2021

Hypertension	59
High Cholesterol	49
Stroke	3
Ischemic Heart Disease	34
Depression	19
Chronic Kidney Disease	23
Asthma	7
Osteoperosis	27
Atrial Fibrilation	10
Heart Failure	14
Chronic Obstructive Pulmonary Disease	16
Diabetes	23
Dementia	5
Cancer	9

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Robert G. Trapp, MD treated as a rheumatologist in Springfield, IL during 2022 were minimally invasive procedures, blood draw, chemotherapy and biological response modifier (BRM) therapy.

Volume of procedures performed by Dr. Robert G. Trapp, MD for Medicare patients.

aspiration	32
biological response modifier (BRM) therapy	52
blood draw	136
chemotherapy	52
doctor visit	547
injections	32
minimally invasive procedures	205

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert G. Trapp, MD.

**Gender**
Male	84
Female	229

**Ethnicity**
Non-Hispanic White	295
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	157
From 75 to 84	105
85 and over	31
Less than 65	20

Conditions of Medicare patients treated by Dr. Robert G. Trapp, MD in 2022

Hypertension	71
High Cholesterol	66
Stroke	0
Ischemic Heart Disease	27
Depression	17
Chronic Kidney Disease	18
Asthma	10
Osteoperosis	35
Atrial Fibrilation	12
Heart Failure	12
Chronic Obstructive Pulmonary Disease	17
Diabetes	20
Dementia	0
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Robert G. Trapp, MD for Medicare patients.

The highest averages for the top procedures that Dr. Robert G. Trapp, MD treated as a rheumatologist in Springfield, IL were blood draw, minimally invasive procedures, chemotherapy and biological response modifier (BRM) therapy.

aspiration	63
biological response modifier (BRM) therapy	68
blood draw	395
chemotherapy	68
doctor visit	936
injections	63
minimally invasive procedures	120
musculoskeletal imaging	32
X-rays	32

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Robert G. Trapp, MD.

**Gender**
Male	103
Female	290

**Ethnicity**
Black / African American	2
Asian / Pacific Islander	0
Non-Hispanic White	370
Native American / Alaskan Native	0
Hispanic	0
Other	5

**Age**
75 to 84	109
85 and over	37
Less than 65	50
65 to 74	196

Average of Total of Conditions of Medicare patients treated by Dr. Robert G. Trapp, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Robert G. Trapp, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	56
High Cholesterol	44
Stroke	2
Ischemic Heart Disease	29
Depression	18
Chronic Kidney Disease	19
Asthma	9
Osteoporosis	17
Heart Failure	12
Chronic Obstructive Pulmonary Disease	15
Diabetes	21
Atrial Fibrillation	7
Dementia	3
Cancer	8

Education & Training

He has a state license in Illinois.

Licensed In: Illinois

Ratings & Reviews

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General Payments

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

**Payments by Company**
Celgene Corporation	$12,072 Otezla $12,036	$36
Amgen Inc.	$4,203 Enbrel $3,096	Otezla $626	Prolia $292	Tavneos $82	$108
Novartis Pharmaceuticals Corporation	$1,756 COSENTYX $1,102	Diovan $461	Ilaris $25	$168
AbbVie Inc.	$1,061 Rinvoq $593	Skyrizi $240	Humira $227
Genentech USA, Inc.	$545 Actemra $429	Rituxan $52	$63
Other	$2,944 KRYSTEXXA $597	Cimzia $483	XELJANZ $319	Tremfya $264	TALTZ $243	Other $1,037

**Types of Payments**
Food and Beverage	$8,961
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$6,700
Travel and Lodging	$4,638
Consulting Fee	$2,000
Education	$282

Research Payments

Dr. Robert G. Trapp, MD has received 845 research payments totaling $2,959,287.

Biography

Dr. Robert Trapp sees patients in Springfield, IL. His medical specialty is adult rheumatology. He graduated from Northwestern University, Feinberg School of Medicine.

Select Year:

Dr. Robert G. Trapp, MD

Office Locations

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. Robert G. Trapp, MD in 2023

By Affordability:

By Affordability:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Robert G. Trapp, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Robert G. Trapp, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Robert G. Trapp, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Robert G. Trapp, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Robert G. Trapp, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Robert G. Trapp, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Robert G. Trapp, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Robert G. Trapp, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Robert G. Trapp, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Robert G. Trapp, MD in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Robert G. Trapp, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Research Payments

Biography

Other Providers in Springfield, IL