In 2023, among providers in related specialties within Missouri, Dr. Steven M. Mackay, DO performed more cardiac catheterization, coronary angiogram, coronary angioplasty with stent, and minimally invasive procedures procedures for Medicare patients than 90% of them and he also had a list price for coronary angiogram, and left heart catheterization 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:

cardiac procedures

left heart catheterization

percutaneous coronary intervention

By Affordability:

angiogram

cardiac imaging

diagnostic cardiac catheterization

hospital care

inpatient care

inpatient hospital care

In 2012, among providers in related specialties within Missouri, Dr. Steven M. Mackay, DO performed more cardiac procedures, left heart catheterization, and percutaneous coronary intervention (PCI) procedures for Medicare patients than 75% of them and he also had a list price for angiogram (angiography), cardiac imaging, diagnostic cardiac catheterization, hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) 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

Volume of procedures performed by Dr. Steven M. Mackay, DO for Medicare patients.

doctor visit	13

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Steven M. Mackay, DO treated as an interventional cardiologist in Columbia, MO during 2013 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Steven M. Mackay, DO for Medicare patients.

angioplasty	32
cardiac procedures	448
catheterization	60
diagnostic procedures	12
doctor visit	138
hospital care	164
inpatient care	164
minimally invasive procedures	60
stent placement (stenting)	16
stress testing	127
ultrasound (sonogram)	247
vascular procedures	26

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven M. Mackay, DO.

**Gender**
Male	526
Female	651

**Ethnicity**
Non-Hispanic White	1136
Black	27
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	478
From 75 to 84	367
85 and over	145
Less than 65	187

Conditions of Medicare patients treated by Dr. Steven M. Mackay, DO in 2013

Hypertension	75
High Cholesterol	73
Stroke	12
Ischemic Heart Disease	54
Depression	27
Chronic Kidney Disease	32
Asthma	10
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	30
Chronic Obstructive Pulmonary Disease	27
Diabetes	42
Dementia	14
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Steven M. Mackay, DO treated as an interventional cardiologist in Columbia, MO during 2014 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Steven M. Mackay, DO for Medicare patients.

angioplasty	24
cardiac procedures	489
catheterization	50
diagnostic procedures	14
doctor visit	181
hospital care	217
inpatient care	217
minimally invasive procedures	64
nuclear scan	39
stent placement (stenting)	12
stress testing	197
ultrasound (sonogram)	256
vascular procedures	14

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven M. Mackay, DO.

**Gender**
Male	439
Female	493

**Ethnicity**
Non-Hispanic White	862
Black	0
Hispanic	46
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	326
From 75 to 84	288
85 and over	153
Less than 65	165

Conditions of Medicare patients treated by Dr. Steven M. Mackay, DO in 2014

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	66
Depression	32
Chronic Kidney Disease	40
Asthma	13
Osteoperosis	9
Atrial Fibrilation	24
Heart Failure	38
Chronic Obstructive Pulmonary Disease	34
Diabetes	45
Dementia	15
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Steven M. Mackay, DO treated as an interventional cardiologist in Columbia, MO during 2015 were cardiac procedures, stress testing, ultrasound (sonogram) and inpatient care.

Volume of procedures performed by Dr. Steven M. Mackay, DO for Medicare patients.

angioplasty	24
cardiac procedures	699
cardioversion	14
catheterization	77
diagnostic procedures	41
doctor visit	471
hospital care	251
inpatient care	251
minimally invasive procedures	96
nuclear scan	163
stent placement (stenting)	12
stress testing	357
ultrasound (sonogram)	276
vascular procedures	41

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven M. Mackay, DO.

**Gender**
Male	1194
Female	1372

**Ethnicity**
Non-Hispanic White	2348
Black	22
Hispanic	174
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	790
From 75 to 84	858
85 and over	506
Less than 65	412

Conditions of Medicare patients treated by Dr. Steven M. Mackay, DO in 2015

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	67
Depression	31
Chronic Kidney Disease	43
Asthma	20
Osteoperosis	7
Atrial Fibrilation	24
Heart Failure	34
Chronic Obstructive Pulmonary Disease	31
Diabetes	42
Dementia	14
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Steven M. Mackay, DO treated as an interventional cardiologist in Columbia, MO during 2016 were cardiac procedures, stress testing, ultrasound (sonogram) and nuclear scan.

Volume of procedures performed by Dr. Steven M. Mackay, DO for Medicare patients.

angioplasty	44
cardiac procedures	881
cardioversion	21
catheterization	144
diagnostic procedures	78
doctor visit	585
hospital care	193
inpatient care	193
minimally invasive procedures	165
nuclear scan	204
stent placement (stenting)	22
stress testing	447
ultrasound (sonogram)	304
vascular procedures	78

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven M. Mackay, DO.

**Gender**
Male	760
Female	836

**Ethnicity**
Non-Hispanic White	1468
Black	16
Hispanic	94
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	538
From 75 to 84	519
85 and over	286
Less than 65	253

Conditions of Medicare patients treated by Dr. Steven M. Mackay, DO in 2016

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	67
Depression	28
Chronic Kidney Disease	46
Asthma	35
Osteoperosis	6
Atrial Fibrilation	22
Heart Failure	35
Chronic Obstructive Pulmonary Disease	33
Diabetes	41
Dementia	16
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Steven M. Mackay, DO treated as an interventional cardiologist in Columbia, MO during 2017 were cardiac procedures, stress testing, ultrasound (sonogram) and inpatient care.

Volume of procedures performed by Dr. Steven M. Mackay, DO for Medicare patients.

angioplasty	40
cardiac procedures	982
cardioversion	41
catheterization	154
diagnostic procedures	94
doctor visit	563
hospital care	212
inpatient care	212
minimally invasive procedures	192
nuclear scan	211
stent placement (stenting)	20
stress testing	470
ultrasound (sonogram)	377
vascular procedures	94

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven M. Mackay, DO.

**Gender**
Male	822
Female	872

**Ethnicity**
Non-Hispanic White	1570
Black	22
Hispanic	80
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	534
From 75 to 84	556
85 and over	322
Less than 65	282

Conditions of Medicare patients treated by Dr. Steven M. Mackay, DO in 2017

Hypertension	75
High Cholesterol	74
Stroke	9
Ischemic Heart Disease	65
Depression	32
Chronic Kidney Disease	44
Asthma	8
Osteoperosis	6
Atrial Fibrilation	22
Heart Failure	35
Chronic Obstructive Pulmonary Disease	33
Diabetes	39
Dementia	16
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Steven M. Mackay, DO treated as an interventional cardiologist in Columbia, MO during 2018 were cardiac procedures, stress testing, ultrasound (sonogram) and hospital care.

Volume of procedures performed by Dr. Steven M. Mackay, DO for Medicare patients.

cardiac procedures	889
cardioversion	16
catheterization	74
diagnostic procedures	74
doctor visit	416
hospital care	239
inpatient care	239
minimally invasive procedures	87
nuclear scan	205
stress testing	463
ultrasound (sonogram)	371
vascular procedures	74

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven M. Mackay, DO.

**Gender**
Male	834
Female	984

**Ethnicity**
Non-Hispanic White	1656
Black	0
Hispanic	116
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	615
From 75 to 84	585
85 and over	340
Less than 65	278

Conditions of Medicare patients treated by Dr. Steven M. Mackay, DO in 2018

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	66
Depression	29
Chronic Kidney Disease	43
Asthma	7
Osteoperosis	7
Atrial Fibrilation	25
Heart Failure	34
Chronic Obstructive Pulmonary Disease	33
Diabetes	40
Dementia	15
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Steven M. Mackay, DO treated as an interventional cardiologist in Columbia, MO during 2019 were cardiac procedures, stress testing, ultrasound (sonogram) and nuclear scan.

Volume of procedures performed by Dr. Steven M. Mackay, DO for Medicare patients.

angioplasty	56
cardiac procedures	1123
cardioversion	25
catheterization	154
diagnostic procedures	70
doctor visit	284
hospital care	186
inpatient care	186
minimally invasive procedures	175
nuclear scan	289
stent placement (stenting)	28
stress testing	611
ultrasound (sonogram)	371
vascular procedures	70

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven M. Mackay, DO.

**Gender**
Male	869
Female	924

**Ethnicity**
Non-Hispanic White	1631
Black	0
Hispanic	108
Asian	0
Other	32
Native American	0

**Age**
From 65 to 74	633
From 75 to 84	576
85 and over	320
Less than 65	264

Conditions of Medicare patients treated by Dr. Steven M. Mackay, DO in 2019

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	64
Depression	27
Chronic Kidney Disease	42
Asthma	7
Osteoperosis	6
Atrial Fibrilation	25
Heart Failure	32
Chronic Obstructive Pulmonary Disease	29
Diabetes	41
Dementia	15
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Steven M. Mackay, DO treated as an interventional cardiologist in Columbia, MO during 2020 were cardiac procedures, stress testing, ultrasound (sonogram) and nuclear scan.

Volume of procedures performed by Dr. Steven M. Mackay, DO for Medicare patients.

angioplasty	30
cardiac procedures	943
cardioversion	17
catheterization	90
diagnostic procedures	45
doctor visit	179
hospital care	148
inpatient care	148
minimally invasive procedures	90
nuclear scan	240
stent placement (stenting)	15
stress testing	485
ultrasound (sonogram)	368
vascular procedures	45

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven M. Mackay, DO.

**Gender**
Male	853
Female	834

**Ethnicity**
Non-Hispanic White	1541
Black	21
Hispanic	102
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	628
From 75 to 84	535
85 and over	291
Less than 65	233

Conditions of Medicare patients treated by Dr. Steven M. Mackay, DO in 2020

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	61
Depression	26
Chronic Kidney Disease	43
Asthma	6
Osteoperosis	6
Atrial Fibrilation	25
Heart Failure	32
Chronic Obstructive Pulmonary Disease	25
Diabetes	38
Dementia	15
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Steven M. Mackay, DO treated as an interventional cardiologist in Columbia, MO during 2021 were cardiac procedures, stress testing, ultrasound (sonogram) and inpatient care.

Volume of procedures performed by Dr. Steven M. Mackay, DO for Medicare patients.

angioplasty	52
cardiac procedures	889
cardioversion	14
catheterization	153
diagnostic procedures	75
doctor visit	113
hospital care	262
inpatient care	262
minimally invasive procedures	153
nuclear scan	153
stent placement (stenting)	26
stress testing	376
ultrasound (sonogram)	360
vascular procedures	75

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven M. Mackay, DO.

**Gender**
Male	907
Female	985

**Ethnicity**
Non-Hispanic White	1742
Black	0
Hispanic	92
Asian	0
Other	38
Native American	0

**Age**
From 65 to 74	713
From 75 to 84	607
85 and over	354
Less than 65	218

Conditions of Medicare patients treated by Dr. Steven M. Mackay, DO in 2021

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	63
Depression	27
Chronic Kidney Disease	40
Asthma	5
Osteoperosis	6
Atrial Fibrilation	24
Heart Failure	31
Chronic Obstructive Pulmonary Disease	23
Diabetes	36
Dementia	14
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Steven M. Mackay, DO treated as an interventional cardiologist in Columbia, MO during 2022 were cardiac procedures, minimally invasive procedures, catheterization and hospital care.

Volume of procedures performed by Dr. Steven M. Mackay, DO for Medicare patients.

angioplasty	102
cardiac procedures	579
catheterization	239
diagnostic procedures	86
doctor visit	189
hospital care	212
inpatient care	212
minimally invasive procedures	239
nuclear scan	69
stent placement (stenting)	51
stress testing	140
ultrasound (sonogram)	187
vascular procedures	99

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven M. Mackay, DO.

**Gender**
Male	326
Female	311

**Ethnicity**
Non-Hispanic White	616
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	259
From 75 to 84	240
85 and over	112
Less than 65	26

Conditions of Medicare patients treated by Dr. Steven M. Mackay, DO in 2022

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	60
Depression	25
Chronic Kidney Disease	30
Asthma	10
Osteoperosis	14
Atrial Fibrilation	40
Heart Failure	42
Chronic Obstructive Pulmonary Disease	27
Diabetes	40
Dementia	10
Cancer	17

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Steven M. Mackay, DO treated as an interventional cardiologist in Columbia, MO during 2023 were cardiac procedures, minimally invasive procedures, catheterization and ultrasound (sonogram).

Volume of procedures performed by Dr. Steven M. Mackay, DO for Medicare patients.

angioplasty	124
cardiac procedures	679
catheterization	310
diagnostic procedures	124
doctor visit	442
hospital care	171
inpatient care	171
minimally invasive procedures	310
nuclear scan	74
stent placement (stenting)	62
stress testing	161
ultrasound (sonogram)	189
vascular procedures	143

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven M. Mackay, DO.

**Gender**
Male	507
Female	435

**Ethnicity**
Non-Hispanic White	915
Black	0
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	342
From 75 to 84	400
85 and over	154
Less than 65	46

Conditions of Medicare patients treated by Dr. Steven M. Mackay, DO in 2023

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	64
Depression	21
Chronic Kidney Disease	28
Asthma	8
Osteoperosis	12
Atrial Fibrilation	40
Heart Failure	37
Chronic Obstructive Pulmonary Disease	26
Diabetes	38
Dementia	8
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Steven M. Mackay, DO for Medicare patients.

The highest averages for the top procedures that Dr. Steven M. Mackay, DO treated as an interventional cardiologist in Columbia, MO were cardiac procedures, stress testing, ultrasound (sonogram) and inpatient care.

angioplasty	52
cardiac procedures	781
cardioversion	21
catheterization	136
diagnostic procedures	64
doctor visit	297
hospital care	205
inpatient care	205
minimally invasive procedures	148
nuclear scan	164
stent placement (stenting)	26
stress testing	348
ultrasound (sonogram)	300
vascular procedures	69

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Steven M. Mackay, DO.

**Gender**
Male	669
Female	724

**Ethnicity**
Black / African American	9
Asian / Pacific Islander	0
Non-Hispanic White	1290
Hispanic	67
Native American / Alaskan Native	0
Other	10

**Age**
75 to 84	460
85 and over	248
Less than 65	197
65 to 74	488

Average of Total of Conditions of Medicare patients treated by Dr. Steven M. Mackay, DO From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Steven M. Mackay, DO treated were high cholesterol, hypertension, ischemic heart disease and diabetes.

Hypertension	68
High Cholesterol	68
Stroke	8
Ischemic Heart Disease	58
Depression	25
Chronic Kidney Disease	35
Asthma	10
Osteoporosis	7
Heart Failure	31
Chronic Obstructive Pulmonary Disease	26
Diabetes	36
Atrial Fibrillation	23
Cancer	11
Dementia	12

Education & Training

He has a state license in Missouri.

Licensed In: Missouri

Ratings & Reviews

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General Payments

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

**Payments by Company**
St. Jude Medical, Inc.	$3,597 Electrophysiology $1,966	Vascular $1,385	CRM $246
Abbott Laboratories	$3,503 SUPERA $2,231	JETi Peripheral Catheter $227	Vascular $160	GALLANT $146	AMPLATZER $112	Other $627
Cardiovascular Systems Inc.	$2,463 Atherectomy Device $2,438	Diamondback Coronary $14	Coronary Orbital Atherectomy System $11
BIOTRONIK INC.	$975 BioMonitor $628	Rivacor 7 DR-T $172	Edora 8 DR-T $75	Plexa ProMRI $66	$35
Novartis Pharmaceuticals Corporation	$864 ENTRESTO $576	LEQVIO $288
Other	$4,872 BRILINTA $416	XARELTO $410	ELIQUIS $402	Repatha $371	ONYX FRONTIER $315	Other $2,957

**Types of Payments**
Food and Beverage	$9,608
Travel and Lodging	$6,368
Education	$206
Gift	$92

Biography

Dr. Steven Mackay is a specialist in adult cardiology and interventional cardiology. He graduated from Midwestern University, Chicago College of Osteopathic Medicine.