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Home > KY Providers > Cardiac Electrophysiologists

Dr. John M. Mandrola, MD

Accepting New Patients

(349 Ratings)

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

University of Connecticut School of Medicine

Professional interests include: implantable devices, arrhythmias (irregular heartbeats), pacemaker, and more.

10216 Taylorsville Road Suite 850
Louisville, KY 40299

(502) 222-8540

Dr. John M. Mandrola, MD is a cardiac electrophysiologist in Louisville, KY specializing in cardiac electrophysiology (heart rhythm) and adult cardiology. He graduated from University of Connecticut School of Medicine. Dr. John M. Mandrola, MD is affiliated with Baptist Health.

Office Locations

10216 Taylorsville Road Suite 850
Louisville, KY 40299

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1031 New Moody Lane Suite 200
La Grange, KY 40031

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2400 Eastpoint Parkway Suite 580
Louisville, KY 40223

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3900 Kresge Way Suite 51
Louisville, KY 40207

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3900 Kresge Way Suite 60
Saint Matthews, KY 40207

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In The News (see more mentions in the news)

“Stat: Vinay Prasad Is Divisive, Opinionated - And Usually Right After news came out that Vinay Prasad would be leaving the Food and Drug Administration, my colleague John M. Mandrola,...”—"Friday, August 1, 2025 - KFF Health News", KFF Health News, August 2025

“And I really enjoy John Mandrola's "This Week in Cardiology."”—"How a Sheep-Herding Cardiologist Spends His Sundays", New York Times, May 2025

“(John Mandrola, MD, the cardiologist on the team, recused himself because he writes for one of MedPage Today 's competitors.)”—"Myocarditis VAERS Analysis Sparks Social Media Uproar", MedPage Today, September 2021

Noteworthy Medicare Patient Procedures Performed by Dr. John M. Mandrola, MD in 2023

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

Top 5%

By Volume:

permanent transvenous pacemaker implantation

permanent transvenous pacemaker replacement

By Affordability:

cardioversion

elective cardioversion

elective external cardioversion

external cardioversion

In 2023, among providers in related specialties within Kentucky, Dr. John M. Mandrola, MD performed more permanent transvenous pacemaker implantation, and permanent transvenous pacemaker replacement procedures for Medicare patients than 95% of them and he also had a list price for cardioversion, elective cardioversion, elective external cardioversion, and external cardioversion 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:

cardioversion

elective external cardioversion

By Affordability:

Afib catheter ablation

cardiac electrophysiological study

electrophysiological study

electrophysiological study and catheter ablation

pulmonary vein isolation

supraventricular tachycardia ablation

In 2023, among providers in related specialties within Kentucky, Dr. John M. Mandrola, MD performed more cardioversion, and elective external cardioversion procedures for Medicare patients than 90% of them and he also had a list price for Afib catheter ablation, cardiac electrophysiological study, electrophysiological (EP) study, electrophysiological study and catheter ablation, pulmonary vein isolation (PVI), and supraventricular tachycardia (SVT) ablation 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:

ablation

cardiac catheter ablation

electrophysiological study and catheter ablation

minimally invasive procedures

pulmonary vein isolation

By Affordability:

AV node ablation

cardiac ablation

cardiac catheter ablation

cardiac pacing procedures

catheter ablation

Holter monitoring

pacemaker implantation

pacemaker replacement

pacemaker system replacement

permanent pacemaker implantation

permanent transvenous pacemaker implantation

permanent transvenous pacemaker replacement

In 2012, among providers in related specialties within Kentucky, Dr. John M. Mandrola, MD performed more ablation, cardiac catheter ablation, electrophysiological study and catheter ablation, minimally invasive procedures, and pulmonary vein isolation (PVI) procedures for Medicare patients than 75% of them and he also had a list price for AV node ablation, cardiac ablation, cardiac catheter ablation, cardiac pacing procedures, catheter ablation, Holter monitoring, pacemaker implantation, pacemaker replacement, pacemaker system replacement, permanent pacemaker implantation, permanent transvenous pacemaker implantation, and permanent transvenous pacemaker replacement 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. John M. Mandrola, MD treated as a cardiac electrophysiologist in Louisville, KY during 2012 were cardiac procedures, minimally invasive procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. John M. Mandrola, MD for Medicare patients.

ablation	96
ambulatory monitoring	67
cardiac procedures	293
cardioversion	21
catheterization	96
diagnostic procedures	85
doctor visit	644
hospital care	234
implant surgery	34
inpatient care	190
minimally invasive procedures	239
outpatient care	44
stress testing	11

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John M. Mandrola, MD treated as a cardiac electrophysiologist in Louisville, KY during 2013 were hospital care, minimally invasive procedures, inpatient care and cardiac procedures.

Volume of procedures performed by Dr. John M. Mandrola, MD for Medicare patients.

ablation	88
ambulatory monitoring	66
cardiac procedures	166
cardioversion	23
catheterization	88
diagnostic procedures	68
doctor visit	533
hospital care	255
implant surgery	12
inpatient care	179
minimally invasive procedures	188
outpatient care	76

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Mandrola, MD.

**Gender**
Male	333
Female	251

**Ethnicity**
Non-Hispanic White	558
Black	14
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	237
From 75 to 84	243
85 and over	78
Less than 65	26

Conditions of Medicare patients treated by Dr. John M. Mandrola, MD in 2013

Hypertension	75
High Cholesterol	61
Stroke	6
Ischemic Heart Disease	49
Depression	12
Chronic Kidney Disease	26
Asthma	6
Osteoperosis	6
Atrial Fibrilation	68
Heart Failure	36
Chronic Obstructive Pulmonary Disease	17
Diabetes	27
Dementia	8
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John M. Mandrola, MD treated as a cardiac electrophysiologist in Louisville, KY during 2014 were hospital care, inpatient care, minimally invasive procedures and cardiac procedures.

Volume of procedures performed by Dr. John M. Mandrola, MD for Medicare patients.

ablation	47
ambulatory monitoring	38
cardiac procedures	108
cardioversion	25
catheterization	47
diagnostic procedures	47
doctor visit	481
hospital care	260
implant surgery	23
inpatient care	222
minimally invasive procedures	117
outpatient care	38

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Mandrola, MD.

**Gender**
Male	331
Female	233

**Ethnicity**
Non-Hispanic White	541
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	246
From 75 to 84	222
85 and over	66
Less than 65	30

Conditions of Medicare patients treated by Dr. John M. Mandrola, MD in 2014

Hypertension	74
High Cholesterol	60
Stroke	7
Ischemic Heart Disease	48
Depression	13
Chronic Kidney Disease	24
Asthma	7
Osteoperosis	5
Atrial Fibrilation	62
Heart Failure	33
Chronic Obstructive Pulmonary Disease	18
Diabetes	28
Dementia	6
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John M. Mandrola, MD treated as a cardiac electrophysiologist in Louisville, KY during 2015 were hospital care, inpatient care, cardiac procedures and minimally invasive procedures.

Volume of procedures performed by Dr. John M. Mandrola, MD for Medicare patients.

ablation	50
ambulatory monitoring	57
cardiac procedures	128
cardioversion	13
catheterization	50
diagnostic procedures	38
doctor visit	505
hospital care	252
implant surgery	21
inpatient care	218
minimally invasive procedures	121
outpatient care	34

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Mandrola, MD.

**Gender**
Male	838
Female	620

**Ethnicity**
Non-Hispanic White	1386
Black	38
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	560
From 75 to 84	616
85 and over	216
Less than 65	66

Conditions of Medicare patients treated by Dr. John M. Mandrola, MD in 2015

Hypertension	75
High Cholesterol	61
Stroke	6
Ischemic Heart Disease	51
Depression	15
Chronic Kidney Disease	31
Asthma	12
Osteoperosis	6
Atrial Fibrilation	65
Heart Failure	39
Chronic Obstructive Pulmonary Disease	21
Diabetes	28
Dementia	9
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John M. Mandrola, MD treated as a cardiac electrophysiologist in Louisville, KY during 2016 were hospital care, inpatient care, minimally invasive procedures and cardiac procedures.

Volume of procedures performed by Dr. John M. Mandrola, MD for Medicare patients.

ablation	42
ambulatory monitoring	38
cardiac procedures	80
cardioversion	29
catheterization	42
diagnostic procedures	42
doctor visit	542
hospital care	247
inpatient care	221
minimally invasive procedures	84
outpatient care	26

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Mandrola, MD.

**Gender**
Male	484
Female	346

**Ethnicity**
Non-Hispanic White	785
Black	27
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	302
From 75 to 84	333
85 and over	152
Less than 65	43

Conditions of Medicare patients treated by Dr. John M. Mandrola, MD in 2016

Hypertension	75
High Cholesterol	61
Stroke	8
Ischemic Heart Disease	52
Depression	14
Chronic Kidney Disease	36
Asthma	20
Osteoperosis	6
Atrial Fibrilation	62
Heart Failure	39
Chronic Obstructive Pulmonary Disease	19
Diabetes	30
Dementia	11
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John M. Mandrola, MD treated as a cardiac electrophysiologist in Louisville, KY during 2017 were minimally invasive procedures, cardiac procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. John M. Mandrola, MD for Medicare patients.

ablation	73
ambulatory monitoring	46
cardiac procedures	145
cardioversion	22
catheterization	73
diagnostic procedures	54
doctor visit	428
hospital care	80
implant surgery	26
inpatient care	80
minimally invasive procedures	172

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Mandrola, MD.

**Gender**
Male	561
Female	403

**Ethnicity**
Non-Hispanic White	911
Black	23
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	347
From 75 to 84	375
85 and over	198
Less than 65	44

Conditions of Medicare patients treated by Dr. John M. Mandrola, MD in 2017

Hypertension	75
High Cholesterol	62
Stroke	9
Ischemic Heart Disease	57
Depression	16
Chronic Kidney Disease	39
Asthma	7
Osteoperosis	8
Atrial Fibrilation	59
Heart Failure	43
Chronic Obstructive Pulmonary Disease	20
Diabetes	32
Dementia	11
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John M. Mandrola, MD treated as a cardiac electrophysiologist in Louisville, KY during 2018 were minimally invasive procedures, cardiac procedures, catheterization and ablation.

Volume of procedures performed by Dr. John M. Mandrola, MD for Medicare patients.

ablation	49
ambulatory monitoring	45
cardiac procedures	115
cardioversion	21
catheterization	49
diagnostic procedures	49
doctor visit	464
hospital care	47
implant surgery	21
inpatient care	47
minimally invasive procedures	119

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Mandrola, MD.

**Gender**
Male	539
Female	375

**Ethnicity**
Non-Hispanic White	859
Black	27
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	343
From 75 to 84	359
85 and over	181
Less than 65	31

Conditions of Medicare patients treated by Dr. John M. Mandrola, MD in 2018

Hypertension	75
High Cholesterol	65
Stroke	7
Ischemic Heart Disease	57
Depression	18
Chronic Kidney Disease	41
Asthma	6
Osteoperosis	7
Atrial Fibrilation	60
Heart Failure	43
Chronic Obstructive Pulmonary Disease	19
Diabetes	29
Dementia	12
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John M. Mandrola, MD treated as a cardiac electrophysiologist in Louisville, KY during 2019 were minimally invasive procedures, cardiac procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. John M. Mandrola, MD for Medicare patients.

ablation	41
ambulatory monitoring	34
cardiac procedures	111
cardioversion	18
catheterization	41
diagnostic procedures	41
doctor visit	507
hospital care	60
implant surgery	36
inpatient care	60
minimally invasive procedures	118

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Mandrola, MD.

**Gender**
Male	522
Female	383

**Ethnicity**
Non-Hispanic White	849
Black	0
Hispanic	0
Asian	0
Other	27
Native American	0

**Age**
From 65 to 74	318
From 75 to 84	366
85 and over	189
Less than 65	32

Conditions of Medicare patients treated by Dr. John M. Mandrola, MD in 2019

Hypertension	75
High Cholesterol	65
Stroke	5
Ischemic Heart Disease	54
Depression	18
Chronic Kidney Disease	39
Asthma	7
Osteoperosis	7
Atrial Fibrilation	59
Heart Failure	43
Chronic Obstructive Pulmonary Disease	19
Diabetes	28
Dementia	11
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John M. Mandrola, MD treated as a cardiac electrophysiologist in Louisville, KY during 2020 were minimally invasive procedures, cardiac procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. John M. Mandrola, MD for Medicare patients.

ablation	36
ambulatory monitoring	22
cardiac procedures	119
cardioversion	16
catheterization	36
diagnostic procedures	36
doctor visit	471
hospital care	52
implant surgery	41
inpatient care	52
minimally invasive procedures	133
ultrasound (sonogram)	20

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Mandrola, MD.

**Gender**
Male	512
Female	361

**Ethnicity**
Non-Hispanic White	814
Black	0
Hispanic	0
Asian	0
Other	29
Native American	0

**Age**
From 65 to 74	326
From 75 to 84	348
85 and over	167
Less than 65	32

Conditions of Medicare patients treated by Dr. John M. Mandrola, MD in 2020

Hypertension	75
High Cholesterol	66
Stroke	5
Ischemic Heart Disease	57
Depression	17
Chronic Kidney Disease	38
Asthma	5
Osteoperosis	6
Atrial Fibrilation	56
Heart Failure	44
Chronic Obstructive Pulmonary Disease	15
Diabetes	30
Dementia	10
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John M. Mandrola, MD treated as a cardiac electrophysiologist in Louisville, KY during 2021 were minimally invasive procedures, cardiac procedures, catheterization and ablation.

Volume of procedures performed by Dr. John M. Mandrola, MD for Medicare patients.

ablation	53
ambulatory monitoring	36
cardiac procedures	165
cardioversion	33
catheterization	53
diagnostic procedures	41
doctor visit	598
hospital care	16
implant surgery	43
inpatient care	16
minimally invasive procedures	182
ultrasound (sonogram)	33

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Mandrola, MD.

**Gender**
Male	529
Female	387

**Ethnicity**
Non-Hispanic White	852
Black	0
Hispanic	0
Asian	0
Other	37
Native American	0

**Age**
From 65 to 74	337
From 75 to 84	365
85 and over	189
Less than 65	25

Conditions of Medicare patients treated by Dr. John M. Mandrola, MD in 2021

Hypertension	75
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	55
Depression	19
Chronic Kidney Disease	38
Asthma	4
Osteoperosis	7
Atrial Fibrilation	57
Heart Failure	44
Chronic Obstructive Pulmonary Disease	15
Diabetes	28
Dementia	10
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John M. Mandrola, MD treated as a cardiac electrophysiologist in Louisville, KY during 2022 were minimally invasive procedures, cardiac procedures, catheterization and ablation.

Volume of procedures performed by Dr. John M. Mandrola, MD for Medicare patients.

ablation	68
ambulatory monitoring	46
cardiac procedures	175
cardioversion	23
catheterization	68
diagnostic procedures	53
doctor visit	597
hospital care	33
implant surgery	61
inpatient care	33
minimally invasive procedures	197

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John M. Mandrola, MD.

**Gender**
Male	677
Female	509

**Ethnicity**
Non-Hispanic White	1101
Black	0
Hispanic	0
Asian	0
Other	53
Native American	0

**Age**
From 65 to 74	388
From 75 to 84	493
85 and over	285
Less than 65	20

Conditions of Medicare patients treated by Dr. John M. Mandrola, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	47
Depression	18
Chronic Kidney Disease	33
Asthma	8
Osteoperosis	10
Atrial Fibrilation	70
Heart Failure	45
Chronic Obstructive Pulmonary Disease	21
Diabetes	30
Dementia	9
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John M. Mandrola, MD for Medicare patients.

The highest averages for the top procedures that Dr. John M. Mandrola, MD treated as a cardiac electrophysiologist in Louisville, KY were minimally invasive procedures, cardiac procedures, hospital care and inpatient care.

ablation	58
ambulatory monitoring	45
cardiac procedures	145
cardioversion	22
catheterization	58
diagnostic procedures	50
doctor visit	524
hospital care	139
implant surgery	31
inpatient care	119
minimally invasive procedures	151
outpatient care	43
stress testing	11
ultrasound (sonogram)	26

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John M. Mandrola, MD.

**Gender**
Male	484
Female	351

**Ethnicity**
Black / African American	11
Asian / Pacific Islander	0
Non-Hispanic White	786
Native American / Alaskan Native	0
Hispanic	0
Other	13

**Age**
75 to 84	338
85 and over	156
Less than 65	31
65 to 74	309

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

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

Hypertension	68
High Cholesterol	58
Stroke	6
Ischemic Heart Disease	47
Depression	14
Chronic Kidney Disease	31
Asthma	7
Osteoporosis	6
Heart Failure	37
Chronic Obstructive Pulmonary Disease	16
Diabetes	26
Atrial Fibrillation	56
Dementia	8
Cancer	12

Education & Training

Dr. John M. Mandrola, MD graduated from University of Connecticut School of Medicine. He completed residency at Indiana University Affiliated Hospitals. He is certified by the American Board of Internal Medicine - Clinical Cardiac Electrophysiology and has a state license in Kentucky.

Medical School: University of Connecticut School of Medicine

Residency: Indiana University Affiliated Hospitals

Board Certification: American Board of Internal Medicine - Clinical Cardiac Electrophysiology

Licensed In: Kentucky

Affiliations & Hospitals

Dr. John M. Mandrola, MD is associated with these hospitals and organizations:

Baptist Health

Ratings & Reviews

Dr. John M. Mandrola, MD has an exceptional overall rating with an average of 4.9 out of 5 stars based on 349 ratings. We collect ratings and reviews of Dr. John M. Mandrola, MD from all over the web to help you find the right in Louisville, KY.

4.9

Overall Rating

(349 Ratings)

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General Payments

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

**Payments by Company**
Medtronic Vascular, Inc.	$10,445 Implantable Cardioverter Defibrillators - ICDs $1,800	Implantable Cardioverter Defibrillators (ICDs) $167	Micra $150	Ablation $60	Antibacterial Mesh $8	Other $8,262
Boston Scientific Corporation	$322 GENERAL - THERAPIES $142	GENERAL - EP HARDWARE $121	Tachy System $59
Abbott Laboratories	$103 CRT-Ds $55	PressureWire $25	CardioMEMS HF System $23
iRhythm Technologies, Inc.	$66 ZIO XT Patch $66
Janssen Pharmaceuticals, Inc	$54 XARELTO $54
Other	$190 LifeVest $51	Effient $39	CoreValve Evolut $22	COREVALVE EVOLUT R $17	Adempas $14	Other $46

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$6,200
Travel and Lodging	$2,858
Food and Beverage	$2,122

Research Payments

Dr. John M. Mandrola, MD has received 21 research payments totaling $27,045.

Biography

Dr. John Mandrola's specialties are adult cardiology and cardiac electrophysiology (heart rhythm). He practices in Louisville, KY, La Grange, KY, and Saint Matthews, KY. Before performing his residency at a hospital affiliated with Indiana University, Dr. Mandrola attended the University of Connecticut School of Medicine. He has a special interest in cardioversion, pacemaker, and atrial fibrillation. On average, patients gave Dr. Mandrola a rating of 5.0 stars (out of 5). He is professionally affiliated with Baptist Health Louisville and Baptist Health. Baptist Health reports that Dr. Mandrola is accepting new patients at his office in Louisville, KY.