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Home > WI Providers > Cardiac Electrophysiologists

Dr. Dionisio James Mariano, MD

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Specializes in: Cardiac Electrophysiology (Heart Rhythm) and Adult Cardiology

5045 W Grande Market Drive
Appleton, WI 54913

(920) 886-9380

Dr. Dionisio James Mariano, MD is a cardiac electrophysiologist in Appleton, WI specializing in cardiac electrophysiology (heart rhythm) and adult cardiology.

Office Locations

5045 W Grande Market Drive
Appleton, WI 54913

(920) 886-9380

(920) 886-9381

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Noteworthy Medicare Patient Procedures Performed by Dr. Dionisio James Mariano, MD in 2023

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

Top 5%

By Volume:

ALT test

blood tests

thyroid blood test

By Affordability:

metabolic panel

In 2023, among providers in related specialties within Wisconsin, Dr. Dionisio James Mariano, MD performed more ALT (SGPT) test, blood tests, and thyroid blood test procedures for Medicare patients than 95% of them and he also had a list price for metabolic panel 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 Affordability:

liver function tests

In 2023, Dr. Dionisio James Mariano, MD had a list price for liver function tests (LFTs) that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Wisconsin. 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:

blood draw

blood draw for lab tests

cardiac pacing procedures

pacemaker implantation

pacemaker replacement

pacemaker system replacement

permanent pacemaker implantation

permanent transvenous pacemaker implantation

permanent transvenous pacemaker replacement

phlebotomy for lab tests

venipuncture

In 2012, Dr. Dionisio James Mariano, MD had a list price for blood draw, blood draw for lab tests, cardiac pacing procedures, pacemaker implantation, pacemaker replacement, pacemaker system replacement, permanent pacemaker implantation, permanent transvenous pacemaker implantation, permanent transvenous pacemaker replacement, phlebotomy for lab tests, and venipuncture (phlebotomy) that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Wisconsin. 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. Dionisio James Mariano, MD treated as a cardiac electrophysiologist in Appleton, WI during 2012 were hospital care, inpatient care, minimally invasive procedures and implant surgery.

Volume of procedures performed by Dr. Dionisio James Mariano, MD for Medicare patients.

cardiac procedures	24
doctor visit	274
hospital care	78
implant surgery	24
implantable cardioverter-defibrillator (ICD) replacement	12
inpatient care	78
minimally invasive procedures	24

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Dionisio James Mariano, MD treated as a cardiac electrophysiologist in Appleton, WI during 2013 were hospital care, inpatient care, minimally invasive procedures and implant surgery.

Volume of procedures performed by Dr. Dionisio James Mariano, MD for Medicare patients.

cardiac procedures	18
doctor visit	269
hospital care	90
implant surgery	18
inpatient care	90
minimally invasive procedures	18

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Dionisio James Mariano, MD.

**Gender**
Male	498
Female	396

**Ethnicity**
Non-Hispanic White	857
Black	0
Hispanic	0
Asian	0
Other	0
Native American	20

**Age**
From 65 to 74	218
From 75 to 84	318
85 and over	269
Less than 65	89

Conditions of Medicare patients treated by Dr. Dionisio James Mariano, MD in 2013

Hypertension	73
High Cholesterol	66
Stroke	6
Ischemic Heart Disease	65
Depression	18
Chronic Kidney Disease	36
Asthma	8
Osteoperosis	7
Atrial Fibrilation	51
Heart Failure	50
Chronic Obstructive Pulmonary Disease	20
Diabetes	34
Dementia	13
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Dionisio James Mariano, MD treated as a cardiac electrophysiologist in Appleton, WI during 2014 were hospital care, inpatient care, minimally invasive procedures and implant surgery.

Volume of procedures performed by Dr. Dionisio James Mariano, MD for Medicare patients.

cardiac procedures	40
doctor visit	297
hospital care	82
implant surgery	40
implantable cardioverter-defibrillator (ICD) replacement	18
inpatient care	82
minimally invasive procedures	40

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Dionisio James Mariano, MD.

**Gender**
Male	330
Female	230

**Ethnicity**
Non-Hispanic White	532
Black	0
Hispanic	0
Asian	0
Other	0
Native American	15

**Age**
From 65 to 74	169
From 75 to 84	211
85 and over	121
Less than 65	59

Conditions of Medicare patients treated by Dr. Dionisio James Mariano, MD in 2014

Hypertension	73
High Cholesterol	71
Stroke	7
Ischemic Heart Disease	62
Depression	22
Chronic Kidney Disease	36
Asthma	11
Osteoperosis	7
Atrial Fibrilation	51
Heart Failure	50
Chronic Obstructive Pulmonary Disease	23
Diabetes	38
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Dionisio James Mariano, MD treated as a cardiac electrophysiologist in Appleton, WI during 2015 were hospital care, inpatient care, minimally invasive procedures and implant surgery.

Volume of procedures performed by Dr. Dionisio James Mariano, MD for Medicare patients.

cardiac procedures	28
doctor visit	255
hospital care	62
implant surgery	28
implantable cardioverter-defibrillator (ICD) replacement	11
inpatient care	62
minimally invasive procedures	28

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Dionisio James Mariano, MD.

**Gender**
Male	598
Female	430

**Ethnicity**
Non-Hispanic White	978
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	332
From 75 to 84	380
85 and over	212
Less than 65	104

Conditions of Medicare patients treated by Dr. Dionisio James Mariano, MD in 2015

Hypertension	75
High Cholesterol	67
Stroke	5
Ischemic Heart Disease	62
Depression	20
Chronic Kidney Disease	38
Asthma	13
Osteoperosis	8
Atrial Fibrilation	51
Heart Failure	52
Chronic Obstructive Pulmonary Disease	21
Diabetes	32
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Dionisio James Mariano, MD treated as a cardiac electrophysiologist in Appleton, WI during 2016 were hospital care, inpatient care, minimally invasive procedures and implant surgery.

Volume of procedures performed by Dr. Dionisio James Mariano, MD for Medicare patients.

cardiac procedures	18
doctor visit	225
hospital care	84
implant surgery	18
inpatient care	84
minimally invasive procedures	18

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Dionisio James Mariano, MD.

**Gender**
Male	261
Female	193

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

**Age**
From 65 to 74	146
From 75 to 84	148
85 and over	107
Less than 65	53

Conditions of Medicare patients treated by Dr. Dionisio James Mariano, MD in 2016

Hypertension	74
High Cholesterol	66
Stroke	6
Ischemic Heart Disease	60
Depression	22
Chronic Kidney Disease	39
Asthma	19
Osteoperosis	7
Atrial Fibrilation	47
Heart Failure	49
Chronic Obstructive Pulmonary Disease	18
Diabetes	34
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Dionisio James Mariano, MD treated as a cardiac electrophysiologist in Appleton, WI during 2017 were hospital care, inpatient care, minimally invasive procedures and implant surgery.

Volume of procedures performed by Dr. Dionisio James Mariano, MD for Medicare patients.

cardiac procedures	32
doctor visit	253
hospital care	42
implant surgery	32
implantable cardioverter-defibrillator (ICD) replacement	15
inpatient care	42
minimally invasive procedures	32

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Dionisio James Mariano, MD.

**Gender**
Male	264
Female	188

**Ethnicity**
Non-Hispanic White	425
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	161
From 75 to 84	149
85 and over	96
Less than 65	46

Conditions of Medicare patients treated by Dr. Dionisio James Mariano, MD in 2017

Hypertension	72
High Cholesterol	65
Stroke	5
Ischemic Heart Disease	63
Depression	16
Chronic Kidney Disease	38
Asthma	8
Osteoperosis	7
Atrial Fibrilation	55
Heart Failure	50
Chronic Obstructive Pulmonary Disease	15
Diabetes	35
Dementia	7
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Dionisio James Mariano, MD treated as a cardiac electrophysiologist in Appleton, WI during 2018 were minimally invasive procedures, implant surgery, cardiac procedures and hospital care.

Volume of procedures performed by Dr. Dionisio James Mariano, MD for Medicare patients.

cardiac procedures	28
doctor visit	242
hospital care	24
implant surgery	28
implantable cardioverter-defibrillator (ICD) replacement	11
inpatient care	24
minimally invasive procedures	28

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Dionisio James Mariano, MD.

**Gender**
Male	280
Female	184

**Ethnicity**
Non-Hispanic White	434
Black	0
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	155
From 75 to 84	152
85 and over	99
Less than 65	58

Conditions of Medicare patients treated by Dr. Dionisio James Mariano, MD in 2018

Hypertension	72
High Cholesterol	68
Stroke	6
Ischemic Heart Disease	59
Depression	19
Chronic Kidney Disease	37
Asthma	7
Osteoperosis	5
Atrial Fibrilation	53
Heart Failure	49
Chronic Obstructive Pulmonary Disease	20
Diabetes	31
Dementia	8
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Dionisio James Mariano, MD treated as a cardiac electrophysiologist in Appleton, WI during 2019 were hospital care, inpatient care, lab tests and cardiac procedures.

Volume of procedures performed by Dr. Dionisio James Mariano, MD for Medicare patients.

cardiac procedures	29
doctor visit	287
hospital care	52
implant surgery	16
inpatient care	52
lab tests	43
minimally invasive procedures	16
ultrasound (sonogram)	13

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Dionisio James Mariano, MD.

**Gender**
Male	380
Female	268

**Ethnicity**
Non-Hispanic White	610
Black	0
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	244
From 75 to 84	207
85 and over	145
Less than 65	52

Conditions of Medicare patients treated by Dr. Dionisio James Mariano, MD in 2019

Hypertension	73
High Cholesterol	69
Stroke	6
Ischemic Heart Disease	56
Depression	17
Chronic Kidney Disease	39
Asthma	7
Osteoperosis	7
Atrial Fibrilation	54
Heart Failure	52
Chronic Obstructive Pulmonary Disease	17
Diabetes	33
Dementia	7
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Dionisio James Mariano, MD treated as a cardiac electrophysiologist in Appleton, WI during 2020 were lab tests, cardiac procedures, minimally invasive procedures and implant surgery.

Volume of procedures performed by Dr. Dionisio James Mariano, MD for Medicare patients.

ambulatory monitoring	13
cardiac procedures	51
doctor visit	428
hospital care	26
implant surgery	38
implantable cardioverter-defibrillator (ICD) replacement	15
inpatient care	26
lab tests	133
minimally invasive procedures	38
thyroid function tests	16

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Dionisio James Mariano, MD.

**Gender**
Male	399
Female	295

**Ethnicity**
Non-Hispanic White	656
Black	0
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	262
From 75 to 84	230
85 and over	149
Less than 65	53

Conditions of Medicare patients treated by Dr. Dionisio James Mariano, MD in 2020

Hypertension	73
High Cholesterol	74
Stroke	6
Ischemic Heart Disease	57
Depression	20
Chronic Kidney Disease	43
Asthma	7
Osteoperosis	8
Atrial Fibrilation	48
Heart Failure	52
Chronic Obstructive Pulmonary Disease	15
Diabetes	33
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Dionisio James Mariano, MD treated as a cardiac electrophysiologist in Appleton, WI during 2021 were lab tests, cardiac procedures, ambulatory monitoring and minimally invasive procedures.

Volume of procedures performed by Dr. Dionisio James Mariano, MD for Medicare patients.

ambulatory monitoring	32
blood draw	18
cardiac procedures	56
doctor visit	474
implant surgery	24
lab tests	142
minimally invasive procedures	24
thyroid function tests	18

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Dionisio James Mariano, MD.

**Gender**
Male	275
Female	182

**Ethnicity**
Non-Hispanic White	427
Black	0
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	194
From 75 to 84	132
85 and over	96
Less than 65	35

Conditions of Medicare patients treated by Dr. Dionisio James Mariano, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	4
Ischemic Heart Disease	59
Depression	24
Chronic Kidney Disease	41
Asthma	10
Osteoperosis	9
Atrial Fibrilation	48
Heart Failure	51
Chronic Obstructive Pulmonary Disease	14
Diabetes	31
Dementia	7
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Dionisio James Mariano, MD treated as a cardiac electrophysiologist in Appleton, WI during 2022 were lab tests, cardiac procedures, ambulatory monitoring and thyroid function tests.

Volume of procedures performed by Dr. Dionisio James Mariano, MD for Medicare patients.

ambulatory monitoring	31
blood draw	21
cardiac procedures	43
doctor visit	423
hospital care	15
implant surgery	12
inpatient care	15
lab tests	174
minimally invasive procedures	12
thyroid function tests	24

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Dionisio James Mariano, MD.

**Gender**
Male	275
Female	178

**Ethnicity**
Non-Hispanic White	422
Black	0
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	222
From 75 to 84	128
85 and over	73
Less than 65	30

Conditions of Medicare patients treated by Dr. Dionisio James Mariano, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	51
Depression	23
Chronic Kidney Disease	35
Asthma	12
Osteoperosis	12
Atrial Fibrilation	71
Heart Failure	50
Chronic Obstructive Pulmonary Disease	20
Diabetes	32
Dementia	6
Cancer	15

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Dionisio James Mariano, MD treated as a cardiac electrophysiologist in Appleton, WI during 2023 were lab tests, cardiac procedures, ambulatory monitoring and blood draw.

Volume of procedures performed by Dr. Dionisio James Mariano, MD for Medicare patients.

ambulatory monitoring	31
blood draw	24
cardiac procedures	48
doctor visit	437
implant surgery	17
lab tests	167
minimally invasive procedures	17
thyroid function tests	22

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Dionisio James Mariano, MD.

**Gender**
Male	262
Female	182

**Ethnicity**
Non-Hispanic White	410
Black	0
Hispanic	0
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	220
From 75 to 84	137
85 and over	66
Less than 65	21

Conditions of Medicare patients treated by Dr. Dionisio James Mariano, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	49
Depression	25
Chronic Kidney Disease	34
Asthma	11
Osteoperosis	12
Atrial Fibrilation	70
Heart Failure	52
Chronic Obstructive Pulmonary Disease	20
Diabetes	32
Dementia	6
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Dionisio James Mariano, MD for Medicare patients.

The highest averages for the top procedures that Dr. Dionisio James Mariano, MD treated as a cardiac electrophysiologist in Appleton, WI were lab tests, hospital care, inpatient care and cardiac procedures.

ambulatory monitoring	26
blood draw	21
cardiac procedures	34
doctor visit	322
hospital care	55
implant surgery	24
implantable cardioverter-defibrillator (ICD) replacement	13
inpatient care	55
lab tests	131
minimally invasive procedures	24
thyroid function tests	20
ultrasound (sonogram)	13

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Dionisio James Mariano, MD.

**Gender**
Female	227
Male	318

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	516
Native American / Alaskan Native	2
Hispanic	0
Other	8

**Age**
75 to 84	182
85 and over	119
Less than 65	50
65 to 74	193

Average of Total of Conditions of Medicare patients treated by Dr. Dionisio James Mariano, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Dionisio James Mariano, MD treated were hypertension, high cholesterol, ischemic heart disease and atrial fibrilation.

Hypertension	67
High Cholesterol	64
Stroke	5
Ischemic Heart Disease	53
Depression	18
Chronic Kidney Disease	34
Asthma	9
Osteoporosis	7
Heart Failure	46
Chronic Obstructive Pulmonary Disease	16
Diabetes	30
Atrial Fibrillation	49
Dementia	7
Cancer	11

Education & Training

He has a state license in Wisconsin.

Licensed In: Wisconsin

Ratings & Reviews

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General Payments

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

**Payments by Company**
Boston Scientific Corporation	$835 RHYTHMIA $788	Vascular Intervention $23	Metallic Stents $13	Angiojet ZelanteDVT Thrombectomy Catheter $12
Medtronic, Inc.	$691 Micra $691
Biosense Webster, Inc.	$126 Carto 3 System $97	Carto 3 $29
Medtronic Vascular, Inc.	$93 Paceart $68	MyCareLink $25
AstraZeneca Pharmaceuticals LP	$34 BRILINTA $34
Other	$94 LEQVIO $24	ONPATTRO $22	XARELTO $18	VYNDAQEL $15	LifeVest $15

**Types of Payments**
Travel and Lodging	$1,060
Food and Beverage	$813

Biography

Dr. D. Mariano is a medical specialist in adult cardiology and cardiac electrophysiology (heart rhythm). He graduated from Mayo Medical School.

Select Year:

Dr. Dionisio James Mariano, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Dionisio James Mariano, MD in 2023

By Volume:

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. Dionisio James Mariano, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dionisio James Mariano, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dionisio James Mariano, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dionisio James Mariano, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dionisio James Mariano, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dionisio James Mariano, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dionisio James Mariano, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dionisio James Mariano, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dionisio James Mariano, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dionisio James Mariano, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dionisio James Mariano, MD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Average Medicare Patient Data From 2012 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Dionisio James Mariano, MD From 2012 - 2023

Education & Training

Ratings & Reviews

General Payments

Biography

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