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Dr. William R. Herzog JR., MD

(No ratings)

Specializes in: Interventional Cardiology and Adult Cardiology

10710 Charter Drive Suite 400
Columbia, MD 21044

(410) 997-7979

Dr. William R. Herzog JR., MD is an interventional cardiologist in Columbia, MD specializing in interventional cardiology and adult cardiology.

Office Locations

10710 Charter Drive Suite 400
Columbia, MD 21044

(410) 997-7979

(410) 997-9231

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. William R. Herzog JR., MD treated as an interventional cardiologist in Columbia, MD during 2012 were cardiac procedures, minimally invasive procedures, catheterization and diagnostic procedures.

Volume of procedures performed by Dr. William R. Herzog JR., MD for Medicare patients.

cardiac procedures	219
catheterization	183
diagnostic procedures	133
doctor visit	110
hospital care	13
inpatient care	13
minimally invasive procedures	183
nuclear scan	18
stent placement (stenting)	50
stress testing	36
vascular procedures	133

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. William R. Herzog JR., MD treated as an interventional cardiologist in Columbia, MD during 2013 were cardiac procedures, minimally invasive procedures, catheterization and diagnostic procedures.

Volume of procedures performed by Dr. William R. Herzog JR., MD for Medicare patients.

angioplasty	82
cardiac procedures	291
catheterization	279
diagnostic procedures	156
doctor visit	166
hospital care	43
inpatient care	43
lab tests	31
minimally invasive procedures	279
stent placement (stenting)	82
ultrasound (sonogram)	12
vascular procedures	156

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. William R. Herzog JR., MD.

**Gender**
Male	170
Female	138

**Ethnicity**
Non-Hispanic White	241
Black	38
Hispanic	0
Asian	17
Other	0
Native American	0

**Age**
From 65 to 74	140
From 75 to 84	105
85 and over	46
Less than 65	17

Conditions of Medicare patients treated by Dr. William R. Herzog JR., MD in 2013

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	75
Depression	22
Chronic Kidney Disease	34
Asthma	9
Osteoperosis	7
Atrial Fibrilation	32
Heart Failure	39
Chronic Obstructive Pulmonary Disease	24
Diabetes	46
Dementia	12
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. William R. Herzog JR., MD treated as an interventional cardiologist in Columbia, MD during 2014 were cardiac procedures, minimally invasive procedures, catheterization and diagnostic procedures.

Volume of procedures performed by Dr. William R. Herzog JR., MD for Medicare patients.

angioplasty	64
cardiac procedures	234
catheterization	222
diagnostic procedures	126
doctor visit	264
hospital care	45
inpatient care	45
minimally invasive procedures	222
stent placement (stenting)	64
ultrasound (sonogram)	12
vascular procedures	126

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. William R. Herzog JR., MD.

**Gender**
Male	145
Female	143

**Ethnicity**
Non-Hispanic White	215
Black	45
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	129
From 75 to 84	106
85 and over	37
Less than 65	16

Conditions of Medicare patients treated by Dr. William R. Herzog JR., MD in 2014

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	75
Depression	22
Chronic Kidney Disease	32
Asthma	11
Osteoperosis	5
Atrial Fibrilation	32
Heart Failure	39
Chronic Obstructive Pulmonary Disease	23
Diabetes	44
Dementia	13
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. William R. Herzog JR., MD treated as an interventional cardiologist in Columbia, MD during 2015 were cardiac procedures, minimally invasive procedures, catheterization and diagnostic procedures.

Volume of procedures performed by Dr. William R. Herzog JR., MD for Medicare patients.

angioplasty	66
cardiac procedures	228
catheterization	212
diagnostic procedures	113
doctor visit	513
hospital care	35
inpatient care	35
lab tests	16
minimally invasive procedures	212
stent placement (stenting)	66
ultrasound (sonogram)	16
vascular procedures	113

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. William R. Herzog JR., MD.

**Gender**
Male	410
Female	342

**Ethnicity**
Non-Hispanic White	560
Black	102
Hispanic	0
Asian	52
Other	0
Native American	0

**Age**
From 65 to 74	340
From 75 to 84	278
85 and over	82
Less than 65	52

Conditions of Medicare patients treated by Dr. William R. Herzog JR., MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	72
Depression	21
Chronic Kidney Disease	34
Asthma	17
Osteoperosis	7
Atrial Fibrilation	26
Heart Failure	32
Chronic Obstructive Pulmonary Disease	20
Diabetes	41
Dementia	14
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. William R. Herzog JR., MD treated as an interventional cardiologist in Columbia, MD during 2016 were cardiac procedures, minimally invasive procedures, catheterization and diagnostic procedures.

Volume of procedures performed by Dr. William R. Herzog JR., MD for Medicare patients.

ambulatory monitoring	55
angioplasty	72
cardiac procedures	284
catheterization	209
diagnostic procedures	101
doctor visit	781
hospital care	48
inpatient care	48
lab tests	21
minimally invasive procedures	209
stent placement (stenting)	72
ultrasound (sonogram)	20
vascular procedures	101

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. William R. Herzog JR., MD.

**Gender**
Male	282
Female	280

**Ethnicity**
Non-Hispanic White	403
Black	85
Hispanic	0
Asian	47
Other	0
Native American	0

**Age**
From 65 to 74	229
From 75 to 84	217
85 and over	87
Less than 65	29

Conditions of Medicare patients treated by Dr. William R. Herzog JR., MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	65
Depression	22
Chronic Kidney Disease	38
Asthma	19
Osteoperosis	5
Atrial Fibrilation	27
Heart Failure	31
Chronic Obstructive Pulmonary Disease	14
Diabetes	41
Dementia	15
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. William R. Herzog JR., MD treated as an interventional cardiologist in Columbia, MD during 2017 were cardiac procedures, minimally invasive procedures, catheterization and diagnostic procedures.

Volume of procedures performed by Dr. William R. Herzog JR., MD for Medicare patients.

ambulatory monitoring	42
angioplasty	58
cardiac procedures	297
catheterization	183
diagnostic procedures	96
doctor visit	785
hospital care	26
inpatient care	26
minimally invasive procedures	183
nuclear scan	17
stent placement (stenting)	58
stress testing	34
ultrasound (sonogram)	38
vascular procedures	96

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. William R. Herzog JR., MD.

**Gender**
Male	285
Female	272

**Ethnicity**
Non-Hispanic White	405
Black	75
Hispanic	0
Asian	48
Other	0
Native American	0

**Age**
From 65 to 74	235
From 75 to 84	220
85 and over	72
Less than 65	30

Conditions of Medicare patients treated by Dr. William R. Herzog JR., MD in 2017

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	68
Depression	22
Chronic Kidney Disease	39
Asthma	9
Osteoperosis	7
Atrial Fibrilation	21
Heart Failure	27
Chronic Obstructive Pulmonary Disease	12
Diabetes	36
Dementia	15
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. William R. Herzog JR., MD treated as an interventional cardiologist in Columbia, MD during 2018 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. William R. Herzog JR., MD for Medicare patients.

ambulatory monitoring	14
cardiac procedures	329
catheterization	23
diagnostic procedures	23
doctor visit	259
hospital care	158
inpatient care	112
minimally invasive procedures	23
nuclear scan	46
outpatient care	46
stress testing	92
ultrasound (sonogram)	200
vascular procedures	23

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. William R. Herzog JR., MD.

**Gender**
Male	240
Female	267

**Ethnicity**
Non-Hispanic White	253
Black	151
Hispanic	0
Asian	0
Other	0
Native American	67

**Age**
From 65 to 74	194
From 75 to 84	117
85 and over	60
Less than 65	136

Conditions of Medicare patients treated by Dr. William R. Herzog JR., MD in 2018

Hypertension	75
High Cholesterol	74
Stroke	12
Ischemic Heart Disease	70
Depression	28
Chronic Kidney Disease	56
Asthma	14
Osteoperosis	7
Atrial Fibrilation	22
Heart Failure	52
Chronic Obstructive Pulmonary Disease	34
Diabetes	50
Dementia	18
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. William R. Herzog JR., MD treated as an interventional cardiologist in Columbia, MD during 2019 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. William R. Herzog JR., MD for Medicare patients.

cardiac procedures	455
catheterization	75
diagnostic procedures	75
doctor visit	302
hospital care	121
inpatient care	91
minimally invasive procedures	75
nuclear scan	73
outpatient care	30
stress testing	146
ultrasound (sonogram)	234
vascular procedures	75

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. William R. Herzog JR., MD.

**Gender**
Male	279
Female	312

**Ethnicity**
Non-Hispanic White	331
Black	140
Hispanic	0
Asian	0
Other	0
Native American	69

**Age**
From 65 to 74	246
From 75 to 84	164
85 and over	52
Less than 65	129

Conditions of Medicare patients treated by Dr. William R. Herzog JR., MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	72
Depression	28
Chronic Kidney Disease	58
Asthma	13
Osteoperosis	3
Atrial Fibrilation	21
Heart Failure	51
Chronic Obstructive Pulmonary Disease	35
Diabetes	53
Dementia	18
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. William R. Herzog JR., MD treated as an interventional cardiologist in Columbia, MD during 2020 were cardiac procedures, ultrasound (sonogram), stress testing and minimally invasive procedures.

Volume of procedures performed by Dr. William R. Herzog JR., MD for Medicare patients.

cardiac procedures	372
catheterization	82
diagnostic procedures	82
doctor visit	324
hospital care	67
inpatient care	54
minimally invasive procedures	82
nuclear scan	41
outpatient care	13
stress testing	84
ultrasound (sonogram)	206
vascular procedures	82

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. William R. Herzog JR., MD.

**Gender**
Male	263
Female	274

**Ethnicity**
Non-Hispanic White	292
Black	126
Hispanic	0
Asian	0
Other	0
Native American	83

**Age**
From 65 to 74	232
From 75 to 84	146
85 and over	58
Less than 65	101

Conditions of Medicare patients treated by Dr. William R. Herzog JR., MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	72
Depression	26
Chronic Kidney Disease	54
Asthma	14
Osteoperosis	5
Atrial Fibrilation	23
Heart Failure	49
Chronic Obstructive Pulmonary Disease	31
Diabetes	53
Dementia	18
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. William R. Herzog JR., MD treated as an interventional cardiologist in Columbia, MD during 2021 were cardiac procedures, ultrasound (sonogram), stress testing and nuclear scan.

Volume of procedures performed by Dr. William R. Herzog JR., MD for Medicare patients.

cardiac procedures	306
catheterization	60
diagnostic procedures	60
doctor visit	403
minimally invasive procedures	60
nuclear scan	62
stress testing	110
ultrasound (sonogram)	136
vascular procedures	60

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. William R. Herzog JR., MD.

**Gender**
Male	221
Female	226

**Ethnicity**
Non-Hispanic White	285
Black	86
Hispanic	0
Asian	0
Other	0
Native American	41

**Age**
From 65 to 74	197
From 75 to 84	134
85 and over	46
Less than 65	70

Conditions of Medicare patients treated by Dr. William R. Herzog JR., MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	75
Depression	21
Chronic Kidney Disease	44
Asthma	9
Osteoperosis	8
Atrial Fibrilation	22
Heart Failure	42
Chronic Obstructive Pulmonary Disease	23
Diabetes	47
Dementia	13
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. William R. Herzog JR., MD treated as an interventional cardiologist in Columbia, MD during 2022 were cardiac procedures, stress testing, ultrasound (sonogram) and nuclear scan.

Volume of procedures performed by Dr. William R. Herzog JR., MD for Medicare patients.

cardiac procedures	154
catheterization	30
diagnostic procedures	30
doctor visit	402
minimally invasive procedures	30
nuclear scan	31
stress testing	64
ultrasound (sonogram)	60
vascular procedures	30

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. William R. Herzog JR., MD.

**Gender**
Male	167
Female	192

**Ethnicity**
Non-Hispanic White	242
Black	67
Hispanic	0
Asian	0
Other	0
Native American	34

**Age**
From 65 to 74	155
From 75 to 84	120
85 and over	34
Less than 65	50

Conditions of Medicare patients treated by Dr. William R. Herzog JR., MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	64
Depression	19
Chronic Kidney Disease	32
Asthma	12
Osteoperosis	11
Atrial Fibrilation	26
Heart Failure	35
Chronic Obstructive Pulmonary Disease	24
Diabetes	48
Dementia	8
Cancer	16

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. William R. Herzog JR., MD treated as an interventional cardiologist in Columbia, MD during 2023 were cardiac procedures, ultrasound (sonogram), minimally invasive procedures and catheterization.

Volume of procedures performed by Dr. William R. Herzog JR., MD for Medicare patients.

cardiac procedures	62
catheterization	24
diagnostic procedures	24
doctor visit	193
minimally invasive procedures	24
ultrasound (sonogram)	38
vascular procedures	24

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. William R. Herzog JR., MD.

**Gender**
Male	96
Female	119

**Ethnicity**
Non-Hispanic White	154
Black	35
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	89
From 75 to 84	77
85 and over	25
Less than 65	24

Conditions of Medicare patients treated by Dr. William R. Herzog JR., MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	67
Depression	20
Chronic Kidney Disease	29
Asthma	12
Osteoperosis	15
Atrial Fibrilation	28
Heart Failure	34
Chronic Obstructive Pulmonary Disease	22
Diabetes	49
Dementia	9
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. William R. Herzog JR., MD for Medicare patients.

The highest averages for the top procedures that Dr. William R. Herzog JR., MD treated as an interventional cardiologist in Columbia, MD were cardiac procedures, minimally invasive procedures, catheterization and ultrasound (sonogram).

ambulatory monitoring	37
angioplasty	68
cardiac procedures	269
catheterization	131
diagnostic procedures	84
doctor visit	375
hospital care	61
inpatient care	51
lab tests	22
minimally invasive procedures	131
nuclear scan	41
outpatient care	29
stent placement (stenting)	65
stress testing	80
ultrasound (sonogram)	88
vascular procedures	84

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. William R. Herzog JR., MD.

**Gender**
Male	213
Female	213

**Ethnicity**
Black / African American	79
Asian / Pacific Islander	13
Non-Hispanic White	281
Hispanic	0
Native American / Alaskan Native	24
Other	0

**Age**
75 to 84	140
85 and over	49
Less than 65	54
65 to 74	182

Average of Total of Conditions of Medicare patients treated by Dr. William R. Herzog JR., MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. William R. Herzog JR., MD treated were high cholesterol, hypertension, ischemic heart disease and diabetes.

Hypertension	68
High Cholesterol	68
Stroke	8
Ischemic Heart Disease	64
Depression	20
Chronic Kidney Disease	37
Asthma	11
Osteoporosis	6
Heart Failure	35
Chronic Obstructive Pulmonary Disease	21
Diabetes	42
Atrial Fibrillation	23
Cancer	11
Dementia	12

Education & Training

He has a state license in Maryland.

Licensed In: Maryland

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. William R. Herzog JR., MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
TERUMO MEDICAL CORPORATION	$599 Glidesheath $581	TR Band $18
Boehringer Ingelheim Pharmaceuticals, Inc.	$437 JARDIANCE $267	Pradaxa $170
Abbott Laboratories	$333 Xience Alpine cornary stent system $148	Vascular $85	Confirm Rx $29	Prostar XL surgical system $25	Xience V coronary stent system $25	Other $21
AstraZeneca Pharmaceuticals LP	$274 BRILINTA $249	FARXIGA $25
Novartis Pharmaceuticals Corporation	$252 ENTRESTO $252
Other	$1,026 LifeVest $204	VERQUVO $125	Repatha $94	KENGREAL $85	ELIQUIS $63	Other $454

**Types of Payments**
Food and Beverage	$2,349
Travel and Lodging	$482
Education	$90

Research Payments

Dr. William R. Herzog JR., MD has received 764 research payments totaling $2,220,850.

Biography

Dr. William Herzog is an adult cardiology and interventional cardiology specialist in Columbia, MD. He is a graduate of Duke University School of Medicine.

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Dr. William R. Herzog JR., MD

Office Locations

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. William R. Herzog JR., MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William R. Herzog JR., MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William R. Herzog JR., MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William R. Herzog JR., MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William R. Herzog JR., MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William R. Herzog JR., MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William R. Herzog JR., MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William R. Herzog JR., MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William R. Herzog JR., MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William R. Herzog JR., MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. William R. Herzog JR., 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. William R. Herzog JR., MD From 2012 - 2023

Education & Training

Ratings & Reviews

General Payments

Research Payments

Biography

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