In 2024, Dr. James J. Nemec, MD performed more cardiac (heart) stress testing, myocardial perfusion SPECT, and nuclear scan procedures for Medicare patients than 95% of providers in related specialties within Oklahoma.

Top 10%

By Volume:

stress EKG

By Affordability:

cardiac procedures

In 2024, among providers in related specialties within Oklahoma, Dr. James J. Nemec, MD performed more stress EKG procedures for Medicare patients than 90% of them and he also had a list price for cardiac procedures 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.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. James J. Nemec, MD treated as a cardiologist in Tulsa, OK during 2012 were cardiac procedures, stress testing, nuclear scan and ultrasound (sonogram).

Volume of procedures performed by Dr. James J. Nemec, MD for Medicare patients.

cardiac procedures	1177
nuclear scan	685
stress testing	1134
ultrasound (sonogram)	279
vascular procedures	236

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. James J. Nemec, MD treated as a cardiologist in Tulsa, OK during 2013 were cardiac procedures, stress testing, nuclear scan and ultrasound (sonogram).

Volume of procedures performed by Dr. James J. Nemec, MD for Medicare patients.

cardiac procedures	1356
nuclear scan	806
stress testing	1309
ultrasound (sonogram)	500
vascular procedures	469

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. James J. Nemec, MD.

**Gender**
Male	598
Female	710

**Ethnicity**
Non-Hispanic White	982
Black	118
Hispanic	0
Asian	0
Other	0
Native American	180

**Age**
From 65 to 74	509
From 75 to 84	368
85 and over	148
Less than 65	283

Conditions of Medicare patients treated by Dr. James J. Nemec, MD in 2013

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	73
Depression	34
Chronic Kidney Disease	38
Asthma	14
Osteoperosis	9
Atrial Fibrilation	20
Heart Failure	46
Chronic Obstructive Pulmonary Disease	35
Diabetes	44
Dementia	15
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. James J. Nemec, MD treated as a cardiologist in Tulsa, OK during 2014 were cardiac procedures, stress testing, nuclear scan and ultrasound (sonogram).

Volume of procedures performed by Dr. James J. Nemec, MD for Medicare patients.

cardiac procedures	1468
nuclear scan	873
stress testing	1454
ultrasound (sonogram)	254
vascular procedures	240

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. James J. Nemec, MD.

**Gender**
Male	572
Female	604

**Ethnicity**
Non-Hispanic White	902
Black	102
Hispanic	0
Asian	0
Other	0
Native American	148

**Age**
From 65 to 74	496
From 75 to 84	346
85 and over	83
Less than 65	251

Conditions of Medicare patients treated by Dr. James J. Nemec, MD in 2014

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	72
Depression	34
Chronic Kidney Disease	37
Asthma	12
Osteoperosis	7
Atrial Fibrilation	21
Heart Failure	41
Chronic Obstructive Pulmonary Disease	33
Diabetes	44
Dementia	13
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. James J. Nemec, MD treated as a cardiologist in Tulsa, OK during 2015 were stress testing, cardiac procedures, nuclear scan and ultrasound (sonogram).

Volume of procedures performed by Dr. James J. Nemec, MD for Medicare patients.

cardiac procedures	1483
nuclear scan	899
stress testing	1483
ultrasound (sonogram)	37
vascular procedures	37

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. James J. Nemec, MD.

**Gender**
Male	936
Female	1050

**Ethnicity**
Non-Hispanic White	1524
Black	184
Hispanic	0
Asian	0
Other	0
Native American	234

**Age**
From 65 to 74	920
From 75 to 84	518
85 and over	166
Less than 65	382

Conditions of Medicare patients treated by Dr. James J. Nemec, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	74
Depression	32
Chronic Kidney Disease	40
Asthma	24
Osteoperosis	9
Atrial Fibrilation	24
Heart Failure	42
Chronic Obstructive Pulmonary Disease	33
Diabetes	47
Dementia	14
Cancer	9

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. James J. Nemec, MD treated as a cardiologist in Tulsa, OK during 2016 were stress testing, cardiac procedures and nuclear scan.

Volume of procedures performed by Dr. James J. Nemec, MD for Medicare patients.

cardiac procedures	1518
nuclear scan	881
stress testing	1518

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. James J. Nemec, MD.

**Gender**
Male	442
Female	478

**Ethnicity**
Non-Hispanic White	708
Black	74
Hispanic	0
Asian	0
Other	0
Native American	109

**Age**
From 65 to 74	428
From 75 to 84	271
85 and over	54
Less than 65	167

Conditions of Medicare patients treated by Dr. James J. Nemec, MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	74
Depression	29
Chronic Kidney Disease	44
Asthma	31
Osteoperosis	7
Atrial Fibrilation	19
Heart Failure	38
Chronic Obstructive Pulmonary Disease	28
Diabetes	45
Dementia	12
Cancer	10

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. James J. Nemec, MD treated as a cardiologist in Tulsa, OK during 2017 were stress testing, cardiac procedures and nuclear scan.

Volume of procedures performed by Dr. James J. Nemec, MD for Medicare patients.

cardiac procedures	1263
nuclear scan	710
stress testing	1263

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. James J. Nemec, MD.

**Gender**
Male	341
Female	406

**Ethnicity**
Non-Hispanic White	570
Black	56
Hispanic	0
Asian	0
Other	0
Native American	101

**Age**
From 65 to 74	334
From 75 to 84	221
85 and over	50
Less than 65	142

Conditions of Medicare patients treated by Dr. James J. Nemec, MD in 2017

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	75
Depression	33
Chronic Kidney Disease	47
Asthma	13
Osteoperosis	10
Atrial Fibrilation	22
Heart Failure	43
Chronic Obstructive Pulmonary Disease	33
Diabetes	47
Dementia	14
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. James J. Nemec, MD treated as a cardiologist in Tulsa, OK during 2018 were stress testing, cardiac procedures and nuclear scan.

Volume of procedures performed by Dr. James J. Nemec, MD for Medicare patients.

cardiac procedures	1475
nuclear scan	841
stress testing	1475

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. James J. Nemec, MD.

**Gender**
Male	422
Female	452

**Ethnicity**
Non-Hispanic White	666
Black	67
Hispanic	11
Asian	0
Other	0
Native American	118

**Age**
From 65 to 74	422
From 75 to 84	279
85 and over	51
Less than 65	122

Conditions of Medicare patients treated by Dr. James J. Nemec, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	75
Depression	32
Chronic Kidney Disease	46
Asthma	9
Osteoperosis	8
Atrial Fibrilation	19
Heart Failure	43
Chronic Obstructive Pulmonary Disease	27
Diabetes	45
Dementia	12
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. James J. Nemec, MD treated as a cardiologist in Tulsa, OK during 2019 were stress testing, cardiac procedures and nuclear scan.

Volume of procedures performed by Dr. James J. Nemec, MD for Medicare patients.

cardiac procedures	1439
nuclear scan	817
stress testing	1439

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. James J. Nemec, MD.

**Gender**
Male	438
Female	428

**Ethnicity**
Non-Hispanic White	661
Black	60
Hispanic	13
Asian	0
Other	0
Native American	120

**Age**
From 65 to 74	397
From 75 to 84	268
85 and over	69
Less than 65	132

Conditions of Medicare patients treated by Dr. James J. Nemec, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	75
Depression	33
Chronic Kidney Disease	49
Asthma	11
Osteoperosis	9
Atrial Fibrilation	24
Heart Failure	47
Chronic Obstructive Pulmonary Disease	29
Diabetes	47
Dementia	14
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. James J. Nemec, MD treated as a cardiologist in Tulsa, OK during 2020 were stress testing, cardiac procedures and nuclear scan.

Volume of procedures performed by Dr. James J. Nemec, MD for Medicare patients.

cardiac procedures	1021
nuclear scan	556
stress testing	1021

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. James J. Nemec, MD.

**Gender**
Male	316
Female	291

**Ethnicity**
Non-Hispanic White	480
Black	34
Hispanic	0
Asian	0
Other	12
Native American	68

**Age**
From 65 to 74	285
From 75 to 84	201
85 and over	42
Less than 65	79

Conditions of Medicare patients treated by Dr. James J. Nemec, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	75
Depression	27
Chronic Kidney Disease	50
Asthma	12
Osteoperosis	6
Atrial Fibrilation	22
Heart Failure	43
Chronic Obstructive Pulmonary Disease	28
Diabetes	46
Dementia	11
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. James J. Nemec, MD treated as a cardiologist in Tulsa, OK during 2021 were stress testing, cardiac procedures and nuclear scan.

Volume of procedures performed by Dr. James J. Nemec, MD for Medicare patients.

cardiac procedures	1052
nuclear scan	555
stress testing	1052

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. James J. Nemec, MD.

**Gender**
Male	285
Female	311

**Ethnicity**
Non-Hispanic White	471
Black	25
Hispanic	0
Asian	0
Other	11
Native American	77

**Age**
From 65 to 74	277
From 75 to 84	209
85 and over	51
Less than 65	59

Conditions of Medicare patients treated by Dr. James J. Nemec, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	75
Depression	29
Chronic Kidney Disease	46
Asthma	10
Osteoperosis	9
Atrial Fibrilation	26
Heart Failure	45
Chronic Obstructive Pulmonary Disease	27
Diabetes	41
Dementia	13
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. James J. Nemec, MD treated as a cardiologist in Tulsa, OK during 2022 were stress testing, cardiac procedures and nuclear scan.

Volume of procedures performed by Dr. James J. Nemec, MD for Medicare patients.

cardiac procedures	982
nuclear scan	518
stress testing	982

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. James J. Nemec, MD.

**Gender**
Male	313
Female	261

**Ethnicity**
Non-Hispanic White	460
Black	29
Hispanic	0
Asian	0
Other	13
Native American	58

**Age**
From 65 to 74	264
From 75 to 84	214
85 and over	47
Less than 65	49

Conditions of Medicare patients treated by Dr. James J. Nemec, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	67
Depression	22
Chronic Kidney Disease	33
Asthma	16
Osteoperosis	13
Atrial Fibrilation	36
Heart Failure	38
Chronic Obstructive Pulmonary Disease	28
Diabetes	41
Dementia	6
Cancer	14

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. James J. Nemec, MD treated as a cardiologist in Tulsa, OK during 2023 were stress testing, cardiac procedures and nuclear scan.

Volume of procedures performed by Dr. James J. Nemec, MD for Medicare patients.

cardiac procedures	823
nuclear scan	444
stress testing	823

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. James J. Nemec, MD.

**Gender**
Male	258
Female	249

**Ethnicity**
Non-Hispanic White	412
Black	13
Hispanic	0
Asian	0
Other	13
Native American	54

**Age**
From 65 to 74	216
From 75 to 84	209
85 and over	35
Less than 65	47

Conditions of Medicare patients treated by Dr. James J. Nemec, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	67
Depression	26
Chronic Kidney Disease	33
Asthma	13
Osteoperosis	11
Atrial Fibrilation	35
Heart Failure	37
Chronic Obstructive Pulmonary Disease	24
Diabetes	42
Dementia	6
Cancer	17

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. James J. Nemec, MD treated as a cardiologist in Tulsa, OK during 2024 were stress testing, cardiac procedures and nuclear scan.

Volume of procedures performed by Dr. James J. Nemec, MD for Medicare patients.

cardiac procedures	604
nuclear scan	325
stress testing	604

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. James J. Nemec, MD.

**Gender**
Male	186
Female	173

**Ethnicity**
Non-Hispanic White	276
Black	21
Hispanic	0
Asian	0
Other	0
Native American	47

**Age**
From 65 to 74	147
From 75 to 84	165
85 and over	25
Less than 65	22

Conditions of Medicare patients treated by Dr. James J. Nemec, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	72
Depression	28
Chronic Kidney Disease	41
Asthma	11
Osteoperosis	14
Atrial Fibrilation	36
Heart Failure	42
Chronic Obstructive Pulmonary Disease	25
Diabetes	41
Dementia	6
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. James J. Nemec, MD for Medicare patients.

The highest averages for the top procedures that Dr. James J. Nemec, MD treated as a cardiologist in Tulsa, OK were cardiac procedures, stress testing, nuclear scan and ultrasound (sonogram).

cardiac procedures	1204
nuclear scan	685
stress testing	1196
ultrasound (sonogram)	267
vascular procedures	245

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. James J. Nemec, MD.

**Gender**
Female	416
Male	392

**Ethnicity**
Black / African American	60
Asian / Pacific Islander	0
Non-Hispanic White	624
Hispanic	1
Native American / Alaskan Native	101
Other	3

**Age**
85 and over	63
75 to 84	251
Less than 65	133
65 to 74	361

Average of Total of Conditions of Medicare patients treated by Dr. James J. Nemec, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. James J. Nemec, MD treated were high cholesterol, hypertension, ischemic heart disease and diabetes.

Hypertension	69
High Cholesterol	69
Stroke	8
Ischemic Heart Disease	67
Depression	27
Chronic Kidney Disease	38
Asthma	13
Osteoporosis	8
Heart Failure	38
Chronic Obstructive Pulmonary Disease	26
Diabetes	40
Atrial Fibrillation	23
Dementia	10
Cancer	10

Education & Training

He has a state license in Oklahoma.

Licensed In: Oklahoma

Ratings & Reviews

Dr. James J. Nemec, MD does not have any reviews yet, be the first to leave a review of Dr. James J. Nemec, MD here: Leave a Review

(No ratings)

Leave a Review

General Payments

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

**Payments by Company**
Astellas Pharma US Inc	$386 Lexiscan $287	$99
ABIOMED	$228 $228
Boston Scientific Corporation	$48 WATCHMAN FLX $48
Pfizer Inc.	$26 VYNDAQEL $26
Novo Nordisk Inc	$18 Wegovy $18
Other	$47 Kerendia $16	Pounce Venous Thrombectomy System $16	LifeVest $15

**Types of Payments**
Food and Beverage	$655
Education	$99

Biography

Dr. James Nemec is a specialist in adult cardiology. He is affiliated with Oklahoma Heart Institute and Hillcrest HealthCare System. Before performing his residency at the University of Missouri Health System, Dr. Nemec attended Creighton University School of Medicine.