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Dr. John R. Groll, MD

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Specializes in: Adult Cardiology

1900 State Street
Chester, IL 62233

(618) 826-4581

Dr. John R. Groll, MD is a cardiologist in Chester, IL specializing in adult cardiology.

Office Locations

1900 State Street
Chester, IL 62233

(618) 826-4581

(318) 826-5152

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Noteworthy Medicare Patient Procedures Performed by Dr. John R. Groll, MD in 2023

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

Top 5%

By Affordability:

color Doppler echocardiography

Doppler echocardiography

spectral Doppler echocardiography

In 2023, Dr. John R. Groll, MD had a list price for color Doppler echocardiography, Doppler echocardiography, and spectral Doppler echocardiography 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:

cardiac imaging

In 2023, Dr. John R. Groll, MD had a list price for cardiac imaging 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.

Top 25%

By Affordability:

echocardiogram

In 2012, Dr. John R. Groll, MD had a list price for echocardiogram (echo) that was lower than the list prices billed to Medicare by 75% 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. John R. Groll, MD treated as a cardiologist in Chester, IL during 2012 were cardiac procedures, hospital care, inpatient care and ultrasound (sonogram).

Volume of procedures performed by Dr. John R. Groll, MD for Medicare patients.

ambulatory monitoring	19
blood draw	81
cardiac procedures	562
cardioversion	14
catheterization	81
diagnostic procedures	66
doctor visit	999
hospital care	502
inpatient care	490
lab tests	192
minimally invasive procedures	102
outpatient care	12
preventive care	32
stent placement (stenting)	15
stress testing	99
thyroid function tests	11
ultrasound (sonogram)	437
vascular procedures	66

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John R. Groll, MD treated as a cardiologist in Chester, IL during 2013 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. John R. Groll, MD for Medicare patients.

blood draw	59
cardiac procedures	461
cardioversion	12
catheterization	46
diagnostic procedures	46
doctor visit	954
hospital care	331
inpatient care	331
lab tests	132
minimally invasive procedures	69
preventive care	32
stress testing	64
thoracic (chest) imaging	18
ultrasound (sonogram)	415
vascular procedures	46
X-rays	18

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Groll, MD.

**Gender**
Male	439
Female	482

**Ethnicity**
Non-Hispanic White	870
Black	33
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	349
From 75 to 84	290
85 and over	174
Less than 65	108

Conditions of Medicare patients treated by Dr. John R. Groll, MD in 2013

Hypertension	75
High Cholesterol	71
Stroke	11
Ischemic Heart Disease	66
Depression	25
Chronic Kidney Disease	31
Asthma	10
Osteoperosis	8
Atrial Fibrilation	27
Heart Failure	41
Chronic Obstructive Pulmonary Disease	26
Diabetes	38
Dementia	14
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John R. Groll, MD treated as a cardiologist in Chester, IL during 2014 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. John R. Groll, MD for Medicare patients.

blood draw	86
cardiac procedures	491
catheterization	29
diagnostic procedures	29
doctor visit	923
hospital care	344
inpatient care	328
lab tests	126
minimally invasive procedures	41
outpatient care	16
preventive care	31
stress testing	54
ultrasound (sonogram)	462
vascular procedures	29

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Groll, MD.

**Gender**
Male	521
Female	536

**Ethnicity**
Non-Hispanic White	929
Black	111
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	357
From 75 to 84	342
85 and over	185
Less than 65	173

Conditions of Medicare patients treated by Dr. John R. Groll, MD in 2014

Hypertension	75
High Cholesterol	69
Stroke	12
Ischemic Heart Disease	65
Depression	30
Chronic Kidney Disease	42
Asthma	12
Osteoperosis	9
Atrial Fibrilation	30
Heart Failure	48
Chronic Obstructive Pulmonary Disease	32
Diabetes	45
Dementia	15
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John R. Groll, MD treated as a cardiologist in Chester, IL during 2015 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. John R. Groll, MD for Medicare patients.

ambulatory monitoring	20
angioplasty	22
blood draw	56
cardiac procedures	448
catheterization	72
diagnostic procedures	50
doctor visit	890
hospital care	311
inpatient care	311
lab tests	118
minimally invasive procedures	72
preventive care	30
stress testing	54
ultrasound (sonogram)	356
vascular procedures	50

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Groll, MD.

**Gender**
Male	870
Female	958

**Ethnicity**
Non-Hispanic White	1634
Black	158
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	694
From 75 to 84	578
85 and over	306
Less than 65	250

Conditions of Medicare patients treated by Dr. John R. Groll, MD in 2015

Hypertension	75
High Cholesterol	68
Stroke	12
Ischemic Heart Disease	64
Depression	30
Chronic Kidney Disease	39
Asthma	18
Osteoperosis	9
Atrial Fibrilation	29
Heart Failure	45
Chronic Obstructive Pulmonary Disease	24
Diabetes	42
Dementia	16
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John R. Groll, MD treated as a cardiologist in Chester, IL during 2016 were cardiac procedures, inpatient care, hospital care and ultrasound (sonogram).

Volume of procedures performed by Dr. John R. Groll, MD for Medicare patients.

ambulatory monitoring	28
angioplasty	26
blood draw	48
cardiac procedures	506
catheterization	107
diagnostic procedures	68
doctor visit	963
hospital care	405
inpatient care	405
lab tests	15
minimally invasive procedures	119
stent placement (stenting)	26
stress testing	46
thoracic (chest) imaging	13
ultrasound (sonogram)	371
vascular procedures	68
X-rays	13

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Groll, MD.

**Gender**
Male	454
Female	451

**Ethnicity**
Non-Hispanic White	843
Black	41
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	347
From 75 to 84	297
85 and over	159
Less than 65	102

Conditions of Medicare patients treated by Dr. John R. Groll, MD in 2016

Hypertension	75
High Cholesterol	65
Stroke	9
Ischemic Heart Disease	65
Depression	27
Chronic Kidney Disease	39
Asthma	29
Osteoperosis	8
Atrial Fibrilation	30
Heart Failure	40
Chronic Obstructive Pulmonary Disease	27
Diabetes	38
Dementia	18
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John R. Groll, MD treated as a cardiologist in Chester, IL during 2017 were inpatient care, hospital care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. John R. Groll, MD for Medicare patients.

angioplasty	22
blood draw	48
cardiac procedures	324
cardioversion	17
catheterization	72
diagnostic procedures	39
doctor visit	972
hospital care	332
inpatient care	332
lab tests	94
minimally invasive procedures	84
musculoskeletal imaging	54
preventive care	18
stent placement (stenting)	22
stress testing	33
ultrasound (sonogram)	252
vascular procedures	39
X-rays	54

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Groll, MD.

**Gender**
Male	428
Female	448

**Ethnicity**
Non-Hispanic White	807
Black	54
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	342
From 75 to 84	294
85 and over	146
Less than 65	94

Conditions of Medicare patients treated by Dr. John R. Groll, MD in 2017

Hypertension	75
High Cholesterol	58
Stroke	10
Ischemic Heart Disease	62
Depression	29
Chronic Kidney Disease	42
Asthma	9
Osteoperosis	8
Atrial Fibrilation	30
Heart Failure	39
Chronic Obstructive Pulmonary Disease	25
Diabetes	41
Dementia	17
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John R. Groll, MD treated as a cardiologist in Chester, IL during 2018 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. John R. Groll, MD for Medicare patients.

angioplasty	22
blood draw	48
cardiac procedures	374
cardioversion	15
catheterization	69
diagnostic procedures	36
doctor visit	920
hospital care	262
inpatient care	262
lab tests	80
minimally invasive procedures	69
preventive care	23
stent placement (stenting)	22
stress testing	45
ultrasound (sonogram)	305
vascular procedures	47

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Groll, MD.

**Gender**
Male	381
Female	395

**Ethnicity**
Non-Hispanic White	714
Black	36
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	289
From 75 to 84	285
85 and over	136
Less than 65	66

Conditions of Medicare patients treated by Dr. John R. Groll, MD in 2018

Hypertension	75
High Cholesterol	65
Stroke	9
Ischemic Heart Disease	62
Depression	29
Chronic Kidney Disease	40
Asthma	6
Osteoperosis	10
Atrial Fibrilation	30
Heart Failure	38
Chronic Obstructive Pulmonary Disease	20
Diabetes	36
Dementia	15
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John R. Groll, MD treated as a cardiologist in Chester, IL during 2019 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. John R. Groll, MD for Medicare patients.

blood draw	42
cardiac procedures	399
cardioversion	17
catheterization	42
diagnostic procedures	42
doctor visit	935
hospital care	273
inpatient care	273
lab tests	26
minimally invasive procedures	61
stress testing	50
ultrasound (sonogram)	357
vascular procedures	42

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Groll, MD.

**Gender**
Male	394
Female	386

**Ethnicity**
Non-Hispanic White	721
Black	29
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	289
From 75 to 84	286
85 and over	137
Less than 65	68

Conditions of Medicare patients treated by Dr. John R. Groll, MD in 2019

Hypertension	75
High Cholesterol	67
Stroke	8
Ischemic Heart Disease	63
Depression	32
Chronic Kidney Disease	42
Asthma	8
Osteoperosis	10
Atrial Fibrilation	33
Heart Failure	39
Chronic Obstructive Pulmonary Disease	22
Diabetes	37
Dementia	16
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John R. Groll, MD treated as a cardiologist in Chester, IL during 2020 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. John R. Groll, MD for Medicare patients.

blood draw	25
cardiac procedures	316
cardioversion	16
catheterization	18
diagnostic procedures	18
doctor visit	882
hospital care	90
inpatient care	90
lab tests	12
minimally invasive procedures	18
stress testing	35
ultrasound (sonogram)	298
vascular procedures	18

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Groll, MD.

**Gender**
Male	370
Female	338

**Ethnicity**
Non-Hispanic White	657
Black	24
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	257
From 75 to 84	270
85 and over	132
Less than 65	49

Conditions of Medicare patients treated by Dr. John R. Groll, MD in 2020

Hypertension	75
High Cholesterol	63
Stroke	9
Ischemic Heart Disease	60
Depression	27
Chronic Kidney Disease	35
Asthma	6
Osteoperosis	7
Atrial Fibrilation	28
Heart Failure	32
Chronic Obstructive Pulmonary Disease	18
Diabetes	35
Dementia	16
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John R. Groll, MD treated as a cardiologist in Chester, IL during 2021 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. John R. Groll, MD for Medicare patients.

cardiac procedures	291
catheterization	15
diagnostic procedures	15
doctor visit	906
hospital care	116
inpatient care	116
minimally invasive procedures	15
stress testing	36
ultrasound (sonogram)	276
vascular procedures	15

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Groll, MD.

**Gender**
Male	331
Female	292

**Ethnicity**
Non-Hispanic White	572
Black	28
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	233
From 75 to 84	222
85 and over	134
Less than 65	34

Conditions of Medicare patients treated by Dr. John R. Groll, MD in 2021

Hypertension	75
High Cholesterol	68
Stroke	9
Ischemic Heart Disease	55
Depression	23
Chronic Kidney Disease	36
Asthma	4
Osteoperosis	8
Atrial Fibrilation	30
Heart Failure	30
Chronic Obstructive Pulmonary Disease	17
Diabetes	34
Dementia	13
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John R. Groll, MD treated as a cardiologist in Chester, IL during 2022 were cardiac procedures, ultrasound (sonogram), minimally invasive procedures and catheterization.

Volume of procedures performed by Dr. John R. Groll, MD for Medicare patients.

cardiac procedures	131
catheterization	12
diagnostic procedures	12
doctor visit	436
minimally invasive procedures	12
stress testing	11
ultrasound (sonogram)	119
vascular procedures	12

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John R. Groll, MD.

**Gender**
Male	242
Female	210

**Ethnicity**
Non-Hispanic White	411
Black	19
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	155
From 75 to 84	171
85 and over	113
Less than 65	13

Conditions of Medicare patients treated by Dr. John R. Groll, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	49
Depression	19
Chronic Kidney Disease	31
Asthma	7
Osteoperosis	12
Atrial Fibrilation	42
Heart Failure	29
Chronic Obstructive Pulmonary Disease	18
Diabetes	37
Dementia	12
Cancer	20

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John R. Groll, MD for Medicare patients.

The highest averages for the top procedures that Dr. John R. Groll, MD treated as a cardiologist in Chester, IL were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

ambulatory monitoring	22
angioplasty	23
blood draw	54
cardiac procedures	391
cardioversion	15
catheterization	51
diagnostic procedures	38
doctor visit	889
hospital care	296
inpatient care	293
lab tests	88
minimally invasive procedures	60
musculoskeletal imaging	54
outpatient care	14
preventive care	27
stent placement (stenting)	21
stress testing	47
thoracic (chest) imaging	15
thyroid function tests	11
ultrasound (sonogram)	331
vascular procedures	39
X-rays	28

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John R. Groll, MD.

**Gender**
Female	408
Male	402

**Ethnicity**
Black / African American	48
Asian / Pacific Islander	0
Non-Hispanic White	741
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
85 and over	147
75 to 84	275
Less than 65	87
65 to 74	301

Average of Total of Conditions of Medicare patients treated by Dr. John R. Groll, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	60
Stroke	9
Ischemic Heart Disease	55
Depression	24
Chronic Kidney Disease	34
Asthma	9
Osteoporosis	8
Heart Failure	34
Chronic Obstructive Pulmonary Disease	20
Diabetes	34
Atrial Fibrillation	28
Dementia	13
Cancer	12

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. John R. Groll, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Amgen Inc.	$454 Repatha $220	Prolia $81	Enbrel $70	Otezla $68	AVSOLA $15
Janssen Pharmaceuticals, Inc	$382 XARELTO $364	INVOKANA $19
Novo Nordisk Inc	$342 Ozempic $144	RYBELSUS $100	Saxenda $23	Victoza $12	$63
Novartis Pharmaceuticals Corporation	$328 ENTRESTO $266	COSENTYX $24	LEQVIO $23	Aimovig $15
AstraZeneca Pharmaceuticals LP	$284 BRILINTA $152	FARXIGA $60	BYDUREON $21	BYDUREON PEN $16	BYDUREON WEEKLY $11	Other $24
Other	$3,646 ELIQUIS $240	LifeVest $226	Vesicare $188	OPTIMIZER $175	KRYSTEXXA $173	Other $2,644

**Types of Payments**
Food and Beverage	$5,321
Gift	$112
Education	$3

Research Payments

Dr. John R. Groll, MD has received 1 research payments totaling $1,499.

Biography

Dr. John Groll is a specialist in adult cardiology. He is affiliated with Missouri Baptist Medical Center, Missouri Baptist Sullivan Hospital, and Memorial Hospital. Dr. Groll graduated from the University of Illinois College of Medicine at Chicago and then he performed his residency at Barnes-Jewish Hospital.

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Dr. John R. Groll, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. John R. Groll, MD in 2023

By Affordability:

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. John R. Groll, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Groll, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Groll, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Groll, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Groll, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Groll, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Groll, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Groll, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Groll, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. John R. Groll, 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. John R. Groll, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Research Payments

Biography

Other Providers in Chester, IL