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Home > OK Providers > Interventional Cardiologists

Dr. Gregory D. Johnsen, MD

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Specializes in: Interventional Cardiology

University of Oklahoma College of Medicine (1988)

1265 S Utica Avenue Suite 300
Tulsa, OK 74104

(918) 592-0999

Dr. Gregory D. Johnsen, MD is an interventional cardiologist in Tulsa, OK specializing in interventional cardiology. He graduated from University of Oklahoma College of Medicine in 1988 and has 38 years of experience. Dr. Gregory D. Johnsen, MD is affiliated with AHS CLAREMORE REGIONAL HOSPITAL LLC and AHS OKLAHOMA HEART LLC.

Office Locations

1265 S Utica Avenue Suite 300
Tulsa, OK 74104

(918) 592-0999

(918) 592-1021

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Noteworthy Medicare Patient Procedures Performed by Dr. Gregory D. Johnsen, MD in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 5%

By Affordability:

blood draw

blood draw for lab tests

phlebotomy for lab tests

venipuncture

In 2023, Dr. Gregory D. Johnsen, MD had a list price for blood draw, blood draw for lab tests, phlebotomy for lab tests, and venipuncture (phlebotomy) that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Oklahoma. 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. Gregory D. Johnsen, MD treated as an interventional cardiologist in Tulsa, OK during 2012 were lab tests, inpatient care, hospital care and cardiac procedures.

Volume of procedures performed by Dr. Gregory D. Johnsen, MD for Medicare patients.

ambulatory monitoring	26
blood draw	175
cardiac procedures	251
catheterization	225
diagnostic procedures	173
doctor visit	1048
emergency care	11
hospital care	311
inpatient care	311
lab tests	343
minimally invasive procedures	225
preventive care	56
stent placement (stenting)	52
thyroid function tests	16
vascular procedures	173

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gregory D. Johnsen, MD treated as an interventional cardiologist in Tulsa, OK during 2013 were lab tests, inpatient care, hospital care and cardiac procedures.

Volume of procedures performed by Dr. Gregory D. Johnsen, MD for Medicare patients.

ambulatory monitoring	13
angioplasty	34
blood draw	221
cardiac procedures	290
catheterization	265
diagnostic procedures	192
doctor visit	866
emergency care	22
hospital care	291
inpatient care	291
lab tests	411
minimally invasive procedures	265
preventive care	41
stent placement (stenting)	34
thyroid function tests	23
vascular procedures	204

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory D. Johnsen, MD.

**Gender**
Male	461
Female	491

**Ethnicity**
Non-Hispanic White	707
Black	58
Hispanic	0
Asian	0
Other	0
Native American	170

**Age**
From 65 to 74	409
From 75 to 84	269
85 and over	122
Less than 65	152

Conditions of Medicare patients treated by Dr. Gregory D. Johnsen, MD in 2013

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	75
Depression	28
Chronic Kidney Disease	38
Asthma	9
Osteoperosis	8
Atrial Fibrilation	27
Heart Failure	47
Chronic Obstructive Pulmonary Disease	26
Diabetes	44
Dementia	11
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gregory D. Johnsen, MD treated as an interventional cardiologist in Tulsa, OK during 2014 were inpatient care, hospital care, cardiac procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Gregory D. Johnsen, MD for Medicare patients.

angioplasty	70
blood draw	132
cardiac procedures	343
catheterization	329
diagnostic procedures	208
doctor visit	912
emergency care	16
hospital care	461
inpatient care	461
lab tests	120
minimally invasive procedures	329
preventive care	27
stent placement (stenting)	70
vascular procedures	222

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory D. Johnsen, MD.

**Gender**
Male	554
Female	528

**Ethnicity**
Non-Hispanic White	827
Black	70
Hispanic	0
Asian	0
Other	0
Native American	164

**Age**
From 65 to 74	475
From 75 to 84	324
85 and over	124
Less than 65	159

Conditions of Medicare patients treated by Dr. Gregory D. Johnsen, MD in 2014

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	75
Depression	26
Chronic Kidney Disease	38
Asthma	10
Osteoperosis	9
Atrial Fibrilation	27
Heart Failure	45
Chronic Obstructive Pulmonary Disease	30
Diabetes	45
Dementia	11
Cancer	8

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gregory D. Johnsen, MD treated as an interventional cardiologist in Tulsa, OK during 2015 were inpatient care, hospital care, cardiac procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Gregory D. Johnsen, MD for Medicare patients.

ambulatory monitoring	12
angioplasty	46
blood draw	128
cardiac procedures	281
catheterization	258
diagnostic procedures	176
doctor visit	822
emergency care	13
hospital care	401
inpatient care	401
lab tests	92
minimally invasive procedures	258
preventive care	21
stent placement (stenting)	46
vascular procedures	187

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory D. Johnsen, MD.

**Gender**
Male	1056
Female	986

**Ethnicity**
Non-Hispanic White	1588
Black	92
Hispanic	0
Asian	0
Other	0
Native American	320

**Age**
From 65 to 74	874
From 75 to 84	670
85 and over	218
Less than 65	280

Conditions of Medicare patients treated by Dr. Gregory D. Johnsen, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	75
Depression	24
Chronic Kidney Disease	40
Asthma	20
Osteoperosis	7
Atrial Fibrilation	28
Heart Failure	48
Chronic Obstructive Pulmonary Disease	31
Diabetes	46
Dementia	12
Cancer	8

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gregory D. Johnsen, MD treated as an interventional cardiologist in Tulsa, OK during 2016 were minimally invasive procedures, catheterization, cardiac procedures and hospital care.

Volume of procedures performed by Dr. Gregory D. Johnsen, MD for Medicare patients.

angioplasty	102
blood draw	164
cardiac procedures	352
catheterization	352
diagnostic procedures	199
doctor visit	851
hospital care	307
inpatient care	307
minimally invasive procedures	352
stent placement (stenting)	102
vascular procedures	199

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory D. Johnsen, MD.

**Gender**
Male	508
Female	480

**Ethnicity**
Non-Hispanic White	772
Black	59
Hispanic	0
Asian	0
Other	0
Native American	138

**Age**
From 65 to 74	404
From 75 to 84	363
85 and over	101
Less than 65	120

Conditions of Medicare patients treated by Dr. Gregory D. Johnsen, MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	75
Depression	21
Chronic Kidney Disease	46
Asthma	30
Osteoperosis	6
Atrial Fibrilation	24
Heart Failure	48
Chronic Obstructive Pulmonary Disease	29
Diabetes	44
Dementia	13
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gregory D. Johnsen, MD treated as an interventional cardiologist in Tulsa, OK during 2017 were minimally invasive procedures, catheterization, cardiac procedures and hospital care.

Volume of procedures performed by Dr. Gregory D. Johnsen, MD for Medicare patients.

angioplasty	80
blood draw	117
cardiac procedures	299
catheterization	299
diagnostic procedures	179
doctor visit	828
hospital care	262
inpatient care	262
minimally invasive procedures	299
stent placement (stenting)	80
vascular procedures	179

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory D. Johnsen, MD.

**Gender**
Male	516
Female	489

**Ethnicity**
Non-Hispanic White	795
Black	59
Hispanic	0
Asian	0
Other	0
Native American	131

**Age**
From 65 to 74	389
From 75 to 84	368
85 and over	117
Less than 65	131

Conditions of Medicare patients treated by Dr. Gregory D. Johnsen, MD in 2017

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	75
Depression	27
Chronic Kidney Disease	48
Asthma	10
Osteoperosis	8
Atrial Fibrilation	29
Heart Failure	54
Chronic Obstructive Pulmonary Disease	29
Diabetes	45
Dementia	13
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gregory D. Johnsen, MD treated as an interventional cardiologist in Tulsa, OK during 2018 were minimally invasive procedures, catheterization, cardiac procedures and hospital care.

Volume of procedures performed by Dr. Gregory D. Johnsen, MD for Medicare patients.

angioplasty	98
blood draw	41
cardiac procedures	396
catheterization	396
diagnostic procedures	231
doctor visit	779
emergency care	18
hospital care	303
inpatient care	303
minimally invasive procedures	396
stent placement (stenting)	98
vascular procedures	215

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory D. Johnsen, MD.

**Gender**
Male	557
Female	495

**Ethnicity**
Non-Hispanic White	799
Black	75
Hispanic	18
Asian	0
Other	0
Native American	144

**Age**
From 65 to 74	465
From 75 to 84	371
85 and over	83
Less than 65	133

Conditions of Medicare patients treated by Dr. Gregory D. Johnsen, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	75
Depression	30
Chronic Kidney Disease	51
Asthma	8
Osteoperosis	8
Atrial Fibrilation	25
Heart Failure	54
Chronic Obstructive Pulmonary Disease	30
Diabetes	46
Dementia	12
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gregory D. Johnsen, MD treated as an interventional cardiologist in Tulsa, OK during 2019 were minimally invasive procedures, catheterization, cardiac procedures and hospital care.

Volume of procedures performed by Dr. Gregory D. Johnsen, MD for Medicare patients.

angioplasty	64
blood draw	22
cardiac procedures	251
catheterization	251
diagnostic procedures	155
doctor visit	671
hospital care	205
inpatient care	205
minimally invasive procedures	251
stent placement (stenting)	64
vascular procedures	137

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory D. Johnsen, MD.

**Gender**
Male	471
Female	440

**Ethnicity**
Non-Hispanic White	712
Black	46
Hispanic	11
Asian	0
Other	0
Native American	128

**Age**
From 65 to 74	412
From 75 to 84	310
85 and over	88
Less than 65	101

Conditions of Medicare patients treated by Dr. Gregory D. Johnsen, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	75
Depression	29
Chronic Kidney Disease	51
Asthma	10
Osteoperosis	9
Atrial Fibrilation	25
Heart Failure	49
Chronic Obstructive Pulmonary Disease	29
Diabetes	46
Dementia	13
Cancer	10

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gregory D. Johnsen, MD treated as an interventional cardiologist in Tulsa, OK during 2020 were hospital care, inpatient care, minimally invasive procedures and catheterization.

Volume of procedures performed by Dr. Gregory D. Johnsen, MD for Medicare patients.

angioplasty	46
blood draw	42
cardiac procedures	193
catheterization	193
diagnostic procedures	113
doctor visit	650
emergency care	11
hospital care	215
inpatient care	215
minimally invasive procedures	193
stent placement (stenting)	46
vascular procedures	102

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory D. Johnsen, MD.

**Gender**
Male	650
Female	572

**Ethnicity**
Non-Hispanic White	1004
Black	60
Hispanic	21
Asian	0
Other	0
Native American	119

**Age**
From 65 to 74	608
From 75 to 84	384
85 and over	93
Less than 65	137

Conditions of Medicare patients treated by Dr. Gregory D. Johnsen, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	75
Depression	27
Chronic Kidney Disease	48
Asthma	7
Osteoperosis	6
Atrial Fibrilation	20
Heart Failure	40
Chronic Obstructive Pulmonary Disease	26
Diabetes	39
Dementia	11
Cancer	26

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gregory D. Johnsen, MD treated as an interventional cardiologist in Tulsa, OK during 2021 were hospital care, inpatient care, minimally invasive procedures and catheterization.

Volume of procedures performed by Dr. Gregory D. Johnsen, MD for Medicare patients.

angioplasty	40
blood draw	35
cardiac procedures	155
catheterization	155
diagnostic procedures	95
doctor visit	667
hospital care	213
inpatient care	213
minimally invasive procedures	155
stent placement (stenting)	40
vascular procedures	95

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory D. Johnsen, MD.

**Gender**
Male	524
Female	487

**Ethnicity**
Non-Hispanic White	827
Black	39
Hispanic	0
Asian	0
Other	13
Native American	117

**Age**
From 65 to 74	478
From 75 to 84	344
85 and over	99
Less than 65	90

Conditions of Medicare patients treated by Dr. Gregory D. Johnsen, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	75
Depression	26
Chronic Kidney Disease	50
Asthma	8
Osteoperosis	8
Atrial Fibrilation	21
Heart Failure	42
Chronic Obstructive Pulmonary Disease	23
Diabetes	39
Dementia	13
Cancer	17

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Gregory D. Johnsen, MD treated as an interventional cardiologist in Tulsa, OK during 2022 were hospital care, inpatient care, minimally invasive procedures and catheterization.

Volume of procedures performed by Dr. Gregory D. Johnsen, MD for Medicare patients.

blood draw	28
cardiac procedures	80
catheterization	80
diagnostic procedures	80
doctor visit	587
hospital care	145
inpatient care	145
minimally invasive procedures	80
vascular procedures	80

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory D. Johnsen, MD.

**Gender**
Male	394
Female	361

**Ethnicity**
Non-Hispanic White	611
Black	29
Hispanic	0
Asian	0
Other	0
Native American	93

**Age**
From 65 to 74	325
From 75 to 84	293
85 and over	88
Less than 65	49

Conditions of Medicare patients treated by Dr. Gregory D. Johnsen, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	75
Depression	25
Chronic Kidney Disease	38
Asthma	12
Osteoperosis	10
Atrial Fibrilation	35
Heart Failure	47
Chronic Obstructive Pulmonary Disease	27
Diabetes	43
Dementia	7
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Gregory D. Johnsen, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gregory D. Johnsen, MD treated as an interventional cardiologist in Tulsa, OK were inpatient care, hospital care, cardiac procedures and minimally invasive procedures.

ambulatory monitoring	17
angioplasty	64
blood draw	100
cardiac procedures	262
catheterization	254
diagnostic procedures	163
doctor visit	789
emergency care	15
hospital care	283
inpatient care	283
lab tests	241
minimally invasive procedures	254
preventive care	36
stent placement (stenting)	63
thyroid function tests	19
vascular procedures	163

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Gregory D. Johnsen, MD.

**Gender**
Male	517
Female	484

**Ethnicity**
Black / African American	53
Asian / Pacific Islander	0
Non-Hispanic White	785
Native American / Alaskan Native	138
Hispanic	4
Other	1

**Age**
75 to 84	336
85 and over	103
Less than 65	122
65 to 74	439

Average of Total of Conditions of Medicare patients treated by Dr. Gregory D. Johnsen, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Gregory D. Johnsen, MD treated were high cholesterol, hypertension, ischemic heart disease and heart failure.

Hypertension	68
High Cholesterol	68
Stroke	7
Ischemic Heart Disease	68
Depression	23
Chronic Kidney Disease	40
Asthma	11
Osteoporosis	7
Heart Failure	43
Chronic Obstructive Pulmonary Disease	25
Diabetes	39
Atrial Fibrillation	23
Dementia	10
Cancer	10

Education & Training

Dr. Gregory D. Johnsen, MD graduated from University of Oklahoma College of Medicine in 1988. He has a state license in Oklahoma.

Medical School: University of Oklahoma College of Medicine (1988)

Licensed In: Oklahoma

Affiliations & Hospitals

Dr. Gregory D. Johnsen, MD is associated with these hospitals and organizations:

AHS CLAREMORE REGIONAL HOSPITAL LLC

AHS OKLAHOMA HEART LLC

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General Payments

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

**Payments by Company**
Abbott Laboratories	$397 Xience Alpine cornary stent system $115	Xience Sierra Coronary Stent System $114	Vascular $72	Optis Coronary Imaging System $41	AMPLATZER Occluders $41	Other $15
ShockWave Medical, Inc	$310 SHOCKWAVE IVL SYSTEM WITH THE SHOCKWAVE C2 CORONARY IVL CATHETER $310
St. Jude Medical, Inc.	$172 CRM $81	DRAGONFLY $45	Vascular $30	AMPLATZER $15
Boston Scientific Corporation	$163 Vascular Access $77	INTRAVASCULAR ULTRASOUND $17	$70
Esperion Therapeutics, Inc.	$125 NEXLETOL $125
Other	$425 CentriMag $90	ENTRESTO $42	Effient $39	BRILINTA $30	ELIQUIS $24	Other $199