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Dr. Daniel Michael O'Roark, DO

(Dr. Daniel M. O'Roark, DO)

(No ratings)

Specializes in: Nuclear Cardiology and Adult Cardiology

Philadelphia College of Osteopathic Medicine

701 N State of Franklin Road Suite 9
Johnson City, TN 37604

(423) 926-4468

Dr. Daniel Michael O'Roark, DO is a nuclear medicine specialist in Greeneville, TN specializing in nuclear cardiology and adult cardiology. He graduated from Philadelphia College of Osteopathic Medicine. Dr. Daniel Michael O'Roark, DO is affiliated with Ballad Health.

Office Locations

1231 Tusculum Boulevard Suite 1
Greeneville, TN 37745

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701 N State of Franklin Road Suite 9
Johnson City, TN 37604

(423) 926-4468

(423) 928-4838

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Daniel Michael O'Roark, DO treated as a nuclear medicine specialist in Greeneville, TN during 2012 were cardiac procedures, stress testing, ultrasound (sonogram) and nuclear scan.

Volume of procedures performed by Dr. Daniel Michael O'Roark, DO for Medicare patients.

cardiac procedures	1144
doctor visit	807
hospital care	94
inpatient care	94
lab tests	146
nuclear scan	314
stress testing	660
ultrasound (sonogram)	484

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Daniel Michael O'Roark, DO treated as a nuclear medicine specialist in Greeneville, TN during 2013 were cardiac procedures, ultrasound (sonogram), stress testing and lab tests.

Volume of procedures performed by Dr. Daniel Michael O'Roark, DO for Medicare patients.

cardiac procedures	812
doctor visit	660
hospital care	156
inpatient care	156
lab tests	249
minimally invasive procedures	13
nuclear scan	168
stress testing	369
ultrasound (sonogram)	443

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Michael O'Roark, DO.

**Gender**
Male	845
Female	689

**Ethnicity**
Non-Hispanic White	1497
Black	21
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	623
From 75 to 84	488
85 and over	150
Less than 65	273

Conditions of Medicare patients treated by Dr. Daniel Michael O'Roark, DO in 2013

Hypertension	75
High Cholesterol	73
Stroke	7
Ischemic Heart Disease	74
Depression	24
Chronic Kidney Disease	33
Asthma	6
Osteoperosis	7
Atrial Fibrilation	26
Heart Failure	38
Chronic Obstructive Pulmonary Disease	30
Diabetes	47
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Daniel Michael O'Roark, DO treated as a nuclear medicine specialist in Greeneville, TN during 2014 were cardiac procedures, ultrasound (sonogram), lab tests and stress testing.

Volume of procedures performed by Dr. Daniel Michael O'Roark, DO for Medicare patients.

cardiac procedures	456
doctor visit	409
hospital care	157
inpatient care	157
lab tests	179
nuclear scan	76
stress testing	159
ultrasound (sonogram)	297

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Michael O'Roark, DO.

**Gender**
Male	569
Female	486

**Ethnicity**
Non-Hispanic White	1026
Black	18
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	403
From 75 to 84	335
85 and over	137
Less than 65	180

Conditions of Medicare patients treated by Dr. Daniel Michael O'Roark, DO in 2014

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	72
Depression	25
Chronic Kidney Disease	38
Asthma	6
Osteoperosis	10
Atrial Fibrilation	34
Heart Failure	42
Chronic Obstructive Pulmonary Disease	33
Diabetes	45
Dementia	12
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Daniel Michael O'Roark, DO treated as a nuclear medicine specialist in Greeneville, TN during 2015 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Daniel Michael O'Roark, DO for Medicare patients.

cardiac procedures	376
doctor visit	179
hospital care	380
inpatient care	380
nuclear scan	63
stress testing	132
ultrasound (sonogram)	244

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Michael O'Roark, DO.

**Gender**
Male	822
Female	1074

**Ethnicity**
Non-Hispanic White	1684
Black	164
Hispanic	0
Asian	26
Other	0
Native American	0

**Age**
From 65 to 74	568
From 75 to 84	462
85 and over	564
Less than 65	302

Conditions of Medicare patients treated by Dr. Daniel Michael O'Roark, DO in 2015

Hypertension	75
High Cholesterol	70
Stroke	18
Ischemic Heart Disease	64
Depression	37
Chronic Kidney Disease	45
Asthma	22
Osteoperosis	14
Atrial Fibrilation	32
Heart Failure	44
Chronic Obstructive Pulmonary Disease	32
Diabetes	44
Dementia	26
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Daniel Michael O'Roark, DO treated as a nuclear medicine specialist in Greeneville, TN during 2016 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Daniel Michael O'Roark, DO for Medicare patients.

cardiac procedures	401
doctor visit	247
hospital care	534
inpatient care	534
nuclear scan	75
stress testing	163
ultrasound (sonogram)	238

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Michael O'Roark, DO.

**Gender**
Male	481
Female	559

**Ethnicity**
Non-Hispanic White	945
Black	69
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	348
From 75 to 84	274
85 and over	244
Less than 65	174

Conditions of Medicare patients treated by Dr. Daniel Michael O'Roark, DO in 2016

Hypertension	75
High Cholesterol	69
Stroke	16
Ischemic Heart Disease	65
Depression	33
Chronic Kidney Disease	48
Asthma	37
Osteoperosis	12
Atrial Fibrilation	35
Heart Failure	45
Chronic Obstructive Pulmonary Disease	34
Diabetes	41
Dementia	22
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Daniel Michael O'Roark, DO treated as a nuclear medicine specialist in Greeneville, TN during 2017 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Daniel Michael O'Roark, DO for Medicare patients.

cardiac procedures	465
doctor visit	251
hospital care	565
inpatient care	565
nuclear scan	60
stress testing	178
ultrasound (sonogram)	287

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Michael O'Roark, DO.

**Gender**
Male	307
Female	337

**Ethnicity**
Non-Hispanic White	620
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	245
From 75 to 84	187
85 and over	111
Less than 65	101

Conditions of Medicare patients treated by Dr. Daniel Michael O'Roark, DO in 2017

Hypertension	75
High Cholesterol	61
Stroke	16
Ischemic Heart Disease	72
Depression	39
Chronic Kidney Disease	54
Asthma	11
Osteoperosis	10
Atrial Fibrilation	32
Heart Failure	50
Chronic Obstructive Pulmonary Disease	38
Diabetes	47
Dementia	21
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Daniel Michael O'Roark, DO treated as a nuclear medicine specialist in Greeneville, TN during 2018 were hospital care, inpatient care, cardiac procedures and stress testing.

Volume of procedures performed by Dr. Daniel Michael O'Roark, DO for Medicare patients.

cardiac procedures	325
doctor visit	260
hospital care	520
inpatient care	520
nuclear scan	68
stress testing	183
ultrasound (sonogram)	142

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Michael O'Roark, DO.

**Gender**
Male	291
Female	308

**Ethnicity**
Non-Hispanic White	579
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	232
From 75 to 84	171
85 and over	100
Less than 65	96

Conditions of Medicare patients treated by Dr. Daniel Michael O'Roark, DO in 2018

Hypertension	75
High Cholesterol	65
Stroke	16
Ischemic Heart Disease	74
Depression	42
Chronic Kidney Disease	55
Asthma	9
Osteoperosis	7
Atrial Fibrilation	32
Heart Failure	52
Chronic Obstructive Pulmonary Disease	40
Diabetes	46
Dementia	22
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Daniel Michael O'Roark, DO treated as a nuclear medicine specialist in Greeneville, TN during 2019 were hospital care, inpatient care, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Daniel Michael O'Roark, DO for Medicare patients.

cardiac procedures	381
doctor visit	179
hospital care	624
inpatient care	584
nuclear scan	78
outpatient care	40
stress testing	152
ultrasound (sonogram)	229

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Michael O'Roark, DO.

**Gender**
Male	303
Female	361

**Ethnicity**
Non-Hispanic White	626
Black	12
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	246
From 75 to 84	224
85 and over	122
Less than 65	72

Conditions of Medicare patients treated by Dr. Daniel Michael O'Roark, DO in 2019

Hypertension	75
High Cholesterol	72
Stroke	18
Ischemic Heart Disease	69
Depression	39
Chronic Kidney Disease	56
Asthma	9
Osteoperosis	12
Atrial Fibrilation	35
Heart Failure	55
Chronic Obstructive Pulmonary Disease	36
Diabetes	45
Dementia	21
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Daniel Michael O'Roark, DO treated as a nuclear medicine specialist in Greeneville, TN during 2020 were cardiac procedures, ultrasound (sonogram), stress testing and hospital care.

Volume of procedures performed by Dr. Daniel Michael O'Roark, DO for Medicare patients.

cardiac procedures	430
doctor visit	227
hospital care	127
inpatient care	127
nuclear scan	93
stress testing	147
ultrasound (sonogram)	283

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Michael O'Roark, DO.

**Gender**
Male	294
Female	277

**Ethnicity**
Non-Hispanic White	549
Black	0
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	225
From 75 to 84	204
85 and over	81
Less than 65	61

Conditions of Medicare patients treated by Dr. Daniel Michael O'Roark, DO in 2020

Hypertension	75
High Cholesterol	69
Stroke	7
Ischemic Heart Disease	64
Depression	33
Chronic Kidney Disease	50
Asthma	6
Osteoperosis	8
Atrial Fibrilation	27
Heart Failure	40
Chronic Obstructive Pulmonary Disease	32
Diabetes	39
Dementia	17
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Daniel Michael O'Roark, DO treated as a nuclear medicine specialist in Greeneville, TN during 2021 were cardiac procedures, ultrasound (sonogram), stress testing and nuclear scan.

Volume of procedures performed by Dr. Daniel Michael O'Roark, DO for Medicare patients.

cardiac procedures	636
doctor visit	231
hospital care	105
inpatient care	105
nuclear scan	151
stress testing	277
ultrasound (sonogram)	359

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Michael O'Roark, DO.

**Gender**
Male	292
Female	367

**Ethnicity**
Non-Hispanic White	641
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	268
From 75 to 84	220
85 and over	107
Less than 65	64

Conditions of Medicare patients treated by Dr. Daniel Michael O'Roark, DO in 2021

Hypertension	75
High Cholesterol	74
Stroke	9
Ischemic Heart Disease	59
Depression	37
Chronic Kidney Disease	53
Asthma	7
Osteoperosis	11
Atrial Fibrilation	28
Heart Failure	42
Chronic Obstructive Pulmonary Disease	32
Diabetes	40
Dementia	16
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Daniel Michael O'Roark, DO treated as a nuclear medicine specialist in Greeneville, TN during 2022 were cardiac procedures, ultrasound (sonogram), stress testing and nuclear scan.

Volume of procedures performed by Dr. Daniel Michael O'Roark, DO for Medicare patients.

cardiac procedures	317
doctor visit	115
hospital care	50
inpatient care	50
nuclear scan	52
stress testing	106
ultrasound (sonogram)	211

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Daniel Michael O'Roark, DO.

**Gender**
Male	164
Female	203

**Ethnicity**
Non-Hispanic White	354
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	143
From 75 to 84	132
85 and over	68
Less than 65	24

Conditions of Medicare patients treated by Dr. Daniel Michael O'Roark, DO in 2022

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	48
Depression	37
Chronic Kidney Disease	39
Asthma	9
Osteoperosis	16
Atrial Fibrilation	42
Heart Failure	40
Chronic Obstructive Pulmonary Disease	37
Diabetes	39
Dementia	13
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Daniel Michael O'Roark, DO for Medicare patients.

The highest averages for the top procedures that Dr. Daniel Michael O'Roark, DO treated as a nuclear medicine specialist in Greeneville, TN were cardiac procedures, hospital care, inpatient care and ultrasound (sonogram).

cardiac procedures	522
doctor visit	324
hospital care	301
inpatient care	297
lab tests	191
minimally invasive procedures	13
nuclear scan	108
outpatient care	40
stress testing	229
ultrasound (sonogram)	292

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Daniel Michael O'Roark, DO.

**Gender**
Female	423
Male	397

**Ethnicity**
Black / African American	25
Asian / Pacific Islander	2
Non-Hispanic White	774
Native American / Alaskan Native	0
Hispanic	0
Other	3

**Age**
75 to 84	245
85 and over	153
Less than 65	122
65 to 74	300

Average of Total of Conditions of Medicare patients treated by Dr. Daniel Michael O'Roark, DO From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Daniel Michael O'Roark, DO treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	68
High Cholesterol	63
Stroke	12
Ischemic Heart Disease	60
Depression	31
Chronic Kidney Disease	42
Asthma	11
Osteoporosis	9
Heart Failure	40
Chronic Obstructive Pulmonary Disease	31
Diabetes	39
Atrial Fibrillation	29
Dementia	16
Cancer	11

Education & Training

Dr. Daniel Michael O'Roark, DO graduated from Philadelphia College of Osteopathic Medicine. He completed residency at Grandview Medical Center. He has a state license in Pennsylvania.

Medical School: Philadelphia College of Osteopathic Medicine

Residency: Grandview Medical Center

Licensed In: Pennsylvania

Affiliations & Hospitals

Dr. Daniel Michael O'Roark, DO is associated with these hospitals and organizations:

Ballad Health

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Daniel Michael O'Roark, DO. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Novartis Pharmaceuticals Corporation	$367 ENTRESTO $314	LEQVIO $53
AstraZeneca Pharmaceuticals LP	$207 BRILINTA $142	FARXIGA $64
Janssen Pharmaceuticals, Inc	$193 XARELTO $143	INVOKANA $50
Boehringer Ingelheim Pharmaceuticals, Inc.	$176 JARDIANCE $161	Pradaxa $15
Esperion Therapeutics, Inc.	$143 NEXLETOL $143
Other	$476 EDWARDS INTUITY Elite valve system $137	Repatha $48	FLOSEAL $44	LifeVest $30	MULTAQ $29	Other $187

**Types of Payments**
Food and Beverage	$1,516
Education	$46

Biography

Dr. Daniel O'Roark is a specialist in adult cardiology in Johnson City, TN and Greeneville, TN. He graduated from Philadelphia College of Osteopathic Medicine. For his professional training, Dr. O'Roark completed a residency program at Grandview Medical Center. Dr. O'Roark is professionally affiliated with Ballad Health.