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Dr. Nicholas C. Mahr, MD

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Specializes in: Adult Cardiology

310 N 10th Street
Bismarck, ND 58501

(701) 530-7500

Dr. Nicholas C. Mahr, MD is a cardiologist in Bismarck, ND specializing in adult cardiology.

Office Locations

310 N 10th Street
Bismarck, ND 58501

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Nicholas C. Mahr, MD treated as a cardiologist in Bismarck, ND during 2012 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. Nicholas C. Mahr, MD for Medicare patients.

blood draw	29
cardiac procedures	465
catheterization	52
diagnostic procedures	31
doctor visit	383
hospital care	182
inpatient care	182
lab tests	31
minimally invasive procedures	82
preventive care	18
stent placement (stenting)	21
stress testing	59
ultrasound (sonogram)	329
vascular procedures	56

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Nicholas C. Mahr, MD treated as a cardiologist in Bismarck, ND during 2013 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. Nicholas C. Mahr, MD for Medicare patients.

angioplasty	44
blood draw	70
cardiac procedures	415
catheterization	93
diagnostic procedures	27
doctor visit	391
hospital care	161
inpatient care	161
lab tests	88
minimally invasive procedures	93
preventive care	27
stent placement (stenting)	44
stress testing	47
ultrasound (sonogram)	239
vascular procedures	63

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Nicholas C. Mahr, MD.

**Gender**
Male	368
Female	314

**Ethnicity**
Non-Hispanic White	653
Black	0
Hispanic	0
Asian	0
Other	0
Native American	17

**Age**
From 65 to 74	254
From 75 to 84	252
85 and over	125
Less than 65	51

Conditions of Medicare patients treated by Dr. Nicholas C. Mahr, MD in 2013

Hypertension	75
High Cholesterol	68
Stroke	6
Ischemic Heart Disease	67
Depression	25
Chronic Kidney Disease	34
Asthma	8
Osteoperosis	8
Atrial Fibrilation	26
Heart Failure	41
Chronic Obstructive Pulmonary Disease	23
Diabetes	35
Dementia	10
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Nicholas C. Mahr, MD treated as a cardiologist in Bismarck, ND during 2014 were cardiac procedures, inpatient care, hospital care and ultrasound (sonogram).

Volume of procedures performed by Dr. Nicholas C. Mahr, MD for Medicare patients.

angioplasty	68
blood draw	55
cardiac procedures	437
catheterization	113
diagnostic procedures	11
doctor visit	353
hospital care	238
inpatient care	238
lab tests	88
minimally invasive procedures	131
preventive care	25
stent placement (stenting)	68
stress testing	66
ultrasound (sonogram)	229
vascular procedures	40

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Nicholas C. Mahr, MD.

**Gender**
Male	378
Female	313

**Ethnicity**
Non-Hispanic White	660
Black	0
Hispanic	0
Asian	0
Other	0
Native American	20

**Age**
From 65 to 74	296
From 75 to 84	233
85 and over	118
Less than 65	44

Conditions of Medicare patients treated by Dr. Nicholas C. Mahr, MD in 2014

Hypertension	75
High Cholesterol	70
Stroke	6
Ischemic Heart Disease	69
Depression	24
Chronic Kidney Disease	36
Asthma	8
Osteoperosis	9
Atrial Fibrilation	25
Heart Failure	39
Chronic Obstructive Pulmonary Disease	23
Diabetes	36
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Nicholas C. Mahr, MD treated as a cardiologist in Bismarck, ND during 2015 were cardiac procedures, ultrasound (sonogram), inpatient care and hospital care.

Volume of procedures performed by Dr. Nicholas C. Mahr, MD for Medicare patients.

angioplasty	22
blood draw	46
cardiac procedures	322
catheterization	55
diagnostic procedures	11
doctor visit	414
emergency care	11
hospital care	143
inpatient care	143
lab tests	73
minimally invasive procedures	70
preventive care	22
stent placement (stenting)	22
stress testing	34
ultrasound (sonogram)	214
vascular procedures	30

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Nicholas C. Mahr, MD.

**Gender**
Male	844
Female	696

**Ethnicity**
Non-Hispanic White	1476
Black	0
Hispanic	0
Asian	0
Other	0
Native American	38

**Age**
From 65 to 74	632
From 75 to 84	522
85 and over	270
Less than 65	116

Conditions of Medicare patients treated by Dr. Nicholas C. Mahr, MD in 2015

Hypertension	75
High Cholesterol	69
Stroke	5
Ischemic Heart Disease	65
Depression	22
Chronic Kidney Disease	36
Asthma	13
Osteoperosis	11
Atrial Fibrilation	25
Heart Failure	39
Chronic Obstructive Pulmonary Disease	19
Diabetes	33
Dementia	10
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Nicholas C. Mahr, MD treated as a cardiologist in Bismarck, ND during 2016 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Nicholas C. Mahr, MD for Medicare patients.

angioplasty	24
cardiac procedures	325
catheterization	36
doctor visit	417
hospital care	136
inpatient care	136
minimally invasive procedures	58
stent placement (stenting)	24
stress testing	39
ultrasound (sonogram)	234
vascular procedures	16

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Nicholas C. Mahr, MD.

**Gender**
Male	330
Female	267

**Ethnicity**
Non-Hispanic White	573
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	255
From 75 to 84	198
85 and over	104
Less than 65	40

Conditions of Medicare patients treated by Dr. Nicholas C. Mahr, MD in 2016

Hypertension	75
High Cholesterol	71
Stroke	7
Ischemic Heart Disease	68
Depression	27
Chronic Kidney Disease	42
Asthma	22
Osteoperosis	9
Atrial Fibrilation	27
Heart Failure	40
Chronic Obstructive Pulmonary Disease	21
Diabetes	34
Dementia	12
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Nicholas C. Mahr, MD treated as a cardiologist in Bismarck, ND during 2017 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Nicholas C. Mahr, MD for Medicare patients.

angioplasty	26
cardiac procedures	334
catheterization	51
diagnostic procedures	12
doctor visit	395
hospital care	139
inpatient care	139
minimally invasive procedures	51
stent placement (stenting)	26
stress testing	44
ultrasound (sonogram)	220
vascular procedures	31

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Nicholas C. Mahr, MD.

**Gender**
Male	341
Female	239

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

**Age**
From 65 to 74	239
From 75 to 84	200
85 and over	112
Less than 65	29

Conditions of Medicare patients treated by Dr. Nicholas C. Mahr, MD in 2017

Hypertension	75
High Cholesterol	71
Stroke	7
Ischemic Heart Disease	68
Depression	26
Chronic Kidney Disease	49
Asthma	8
Osteoperosis	12
Atrial Fibrilation	27
Heart Failure	40
Chronic Obstructive Pulmonary Disease	22
Diabetes	36
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Nicholas C. Mahr, MD treated as a cardiologist in Bismarck, ND during 2018 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Nicholas C. Mahr, MD for Medicare patients.

angioplasty	34
cardiac procedures	407
catheterization	51
doctor visit	423
hospital care	215
inpatient care	215
minimally invasive procedures	65
stent placement (stenting)	34
stress testing	83
ultrasound (sonogram)	245
vascular procedures	28

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Nicholas C. Mahr, MD.

**Gender**
Male	372
Female	252

**Ethnicity**
Non-Hispanic White	600
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	241
From 75 to 84	224
85 and over	122
Less than 65	37

Conditions of Medicare patients treated by Dr. Nicholas C. Mahr, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	71
Depression	27
Chronic Kidney Disease	47
Asthma	6
Osteoperosis	11
Atrial Fibrilation	30
Heart Failure	42
Chronic Obstructive Pulmonary Disease	23
Diabetes	30
Dementia	12
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Nicholas C. Mahr, MD treated as a cardiologist in Bismarck, ND during 2019 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Nicholas C. Mahr, MD for Medicare patients.

angioplasty	26
cardiac procedures	492
catheterization	39
doctor visit	413
hospital care	208
inpatient care	188
minimally invasive procedures	50
outpatient care	20
stent placement (stenting)	26
stress testing	113
ultrasound (sonogram)	319
vascular procedures	21

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Nicholas C. Mahr, MD.

**Gender**
Male	427
Female	311

**Ethnicity**
Non-Hispanic White	695
Black	0
Hispanic	0
Asian	0
Other	0
Native American	22

**Age**
From 65 to 74	309
From 75 to 84	255
85 and over	132
Less than 65	42

Conditions of Medicare patients treated by Dr. Nicholas C. Mahr, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	67
Depression	26
Chronic Kidney Disease	44
Asthma	8
Osteoperosis	10
Atrial Fibrilation	29
Heart Failure	44
Chronic Obstructive Pulmonary Disease	22
Diabetes	37
Dementia	15
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Nicholas C. Mahr, MD treated as a cardiologist in Bismarck, ND during 2020 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Nicholas C. Mahr, MD for Medicare patients.

angioplasty	42
cardiac procedures	471
catheterization	63
doctor visit	291
hospital care	244
inpatient care	227
minimally invasive procedures	63
outpatient care	17
stent placement (stenting)	42
stress testing	83
ultrasound (sonogram)	294
vascular procedures	31

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Nicholas C. Mahr, MD.

**Gender**
Male	401
Female	310

**Ethnicity**
Non-Hispanic White	671
Black	0
Hispanic	0
Asian	0
Other	0
Native American	23

**Age**
From 65 to 74	276
From 75 to 84	260
85 and over	130
Less than 65	45

Conditions of Medicare patients treated by Dr. Nicholas C. Mahr, MD in 2020

Hypertension	75
High Cholesterol	73
Stroke	6
Ischemic Heart Disease	66
Depression	25
Chronic Kidney Disease	46
Asthma	7
Osteoperosis	11
Atrial Fibrilation	27
Heart Failure	43
Chronic Obstructive Pulmonary Disease	21
Diabetes	37
Dementia	17
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Nicholas C. Mahr, MD treated as a cardiologist in Bismarck, ND during 2021 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Nicholas C. Mahr, MD for Medicare patients.

cardiac procedures	341
doctor visit	332
hospital care	164
inpatient care	164
minimally invasive procedures	11
stress testing	87
ultrasound (sonogram)	236
vascular procedures	18

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Nicholas C. Mahr, MD.

**Gender**
Male	323
Female	244

**Ethnicity**
Non-Hispanic White	542
Black	0
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	228
From 75 to 84	207
85 and over	106
Less than 65	26

Conditions of Medicare patients treated by Dr. Nicholas C. Mahr, MD in 2021

Hypertension	75
High Cholesterol	74
Stroke	5
Ischemic Heart Disease	69
Depression	22
Chronic Kidney Disease	45
Asthma	10
Osteoperosis	12
Atrial Fibrilation	32
Heart Failure	43
Chronic Obstructive Pulmonary Disease	19
Diabetes	32
Dementia	12
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Nicholas C. Mahr, MD treated as a cardiologist in Bismarck, ND during 2022 were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

Volume of procedures performed by Dr. Nicholas C. Mahr, MD for Medicare patients.

cardiac procedures	282
doctor visit	210
hospital care	120
inpatient care	120
stress testing	71
ultrasound (sonogram)	193
vascular procedures	18

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Nicholas C. Mahr, MD.

**Gender**
Male	278
Female	238

**Ethnicity**
Non-Hispanic White	491
Black	0
Hispanic	0
Asian	0
Other	0
Native American	14

**Age**
From 65 to 74	224
From 75 to 84	178
85 and over	88
Less than 65	26

Conditions of Medicare patients treated by Dr. Nicholas C. Mahr, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	61
Depression	25
Chronic Kidney Disease	33
Asthma	13
Osteoperosis	16
Atrial Fibrilation	41
Heart Failure	41
Chronic Obstructive Pulmonary Disease	25
Diabetes	34
Dementia	8
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Nicholas C. Mahr, MD for Medicare patients.

The highest averages for the top procedures that Dr. Nicholas C. Mahr, MD treated as a cardiologist in Bismarck, ND were cardiac procedures, ultrasound (sonogram), hospital care and inpatient care.

angioplasty	35
blood draw	50
cardiac procedures	390
catheterization	61
diagnostic procedures	18
doctor visit	365
emergency care	11
hospital care	177
inpatient care	173
lab tests	70
minimally invasive procedures	67
outpatient care	18
preventive care	23
stent placement (stenting)	34
stress testing	66
ultrasound (sonogram)	250
vascular procedures	32

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Nicholas C. Mahr, MD.

**Gender**
Female	289
Male	369

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	629
Native American / Alaskan Native	12
Hispanic	0
Other	1

**Age**
85 and over	118
75 to 84	229
Less than 65	41
65 to 74	268

Average of Total of Conditions of Medicare patients treated by Dr. Nicholas C. Mahr, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	65
Stroke	6
Ischemic Heart Disease	61
Depression	22
Chronic Kidney Disease	37
Asthma	9
Osteoporosis	9
Heart Failure	37
Chronic Obstructive Pulmonary Disease	19
Diabetes	31
Atrial Fibrillation	26
Cancer	11
Dementia	10

Education & Training

He has a state license in North Dakota.

Licensed In: North Dakota

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General Payments

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

**Payments by Company**
Boston Scientific Corporation	$1,662 GENERAL - VASCULAR ACCESS $1,540	Tachy System $57	Rotablator $14	GENERAL - INTRAVASCULAR ULTRASOUND $12	$39
AstraZeneca Pharmaceuticals LP	$413 SYMBICORT $114	DALIRESP $110	BRILINTA $97	CRESTOR $71	FARXIGA $22
Pfizer Inc.	$368 VYNDAQEL $204	ELIQUIS $142	PREVNAR - 13 $23
Amgen Inc.	$175 Repatha $175
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp)	$165 LifeVest $165
Other	$1,077 OptoMonitor $103	ELIQUIS $92	XARELTO $87	ENTRESTO $70	PRALUENT $67	Other $657