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Home > OK Providers > Neurosurgeons

Dr. John S. Marouk, DO

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Specializes in: Neurosurgery

Oklahoma State University Center for Health Sciences, College of Osteopathic Medicine (1987)

6767 S Yale Avenue Suite A
Tulsa, OK 74136

(918) 492-7587

Dr. John S. Marouk, DO is a neurosurgeon in Tulsa, OK specializing in neurosurgery. He graduated from Oklahoma State University Center for Health Sciences, College of Osteopathic Medicine in 1987 and has 39 years of experience. Dr. John S. Marouk, DO is affiliated with Saint Francis Health System.

Office Locations

2128 S Atlanta Place Suite 100
Tulsa, OK 74114

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6767 S Yale Avenue Suite A
Tulsa, OK 74136

(918) 492-7587

(918) 492-4033

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Noteworthy Medicare Patient Procedures Performed by Dr. John S. Marouk, DO in 2023

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

Top 25%

By Volume:

inpatient hospital care

In 2012, Dr. John S. Marouk, DO performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 75% of providers in related specialties within Oklahoma.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John S. Marouk, DO treated as a neurosurgeon in Tulsa, OK during 2012 were hospital care, inpatient care, nerve procedures and decompression surgery.

Volume of procedures performed by Dr. John S. Marouk, DO for Medicare patients.

decompression surgery	44
doctor visit	371
emergency care	41
hospital care	198
inpatient care	198
nerve procedures	44
spinal procedures	44

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John S. Marouk, DO treated as a neurosurgeon in Tulsa, OK during 2013 were hospital care, inpatient care, spinal procedures and nerve procedures.

Volume of procedures performed by Dr. John S. Marouk, DO for Medicare patients.

arthrodesis (bone fusion surgery)	14
cranial surgery	16
decompression surgery	33
doctor visit	374
emergency care	16
hospital care	387
inpatient care	387
neck surgery	14
nerve procedures	33
spinal procedures	55

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John S. Marouk, DO.

**Gender**
Male	142
Female	149

**Ethnicity**
Non-Hispanic White	240
Black	0
Hispanic	0
Asian	0
Other	0
Native American	33

**Age**
From 65 to 74	131
From 75 to 84	81
85 and over	29
Less than 65	50

Conditions of Medicare patients treated by Dr. John S. Marouk, DO in 2013

Hypertension	75
High Cholesterol	56
Stroke	25
Ischemic Heart Disease	47
Depression	35
Chronic Kidney Disease	31
Asthma	11
Osteoperosis	14
Atrial Fibrilation	14
Heart Failure	25
Chronic Obstructive Pulmonary Disease	22
Diabetes	32
Dementia	19
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John S. Marouk, DO treated as a neurosurgeon in Tulsa, OK during 2014 were hospital care, inpatient care, spinal procedures and nerve procedures.

Volume of procedures performed by Dr. John S. Marouk, DO for Medicare patients.

arthrodesis (bone fusion surgery)	17
decompression surgery	37
doctor visit	321
hospital care	352
inpatient care	352
neck surgery	17
nerve procedures	37
spinal procedures	72

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John S. Marouk, DO.

**Gender**
Male	136
Female	141

**Ethnicity**
Non-Hispanic White	233
Black	0
Hispanic	0
Asian	0
Other	0
Native American	30

**Age**
From 65 to 74	121
From 75 to 84	71
85 and over	33
Less than 65	52

Conditions of Medicare patients treated by Dr. John S. Marouk, DO in 2014

Hypertension	75
High Cholesterol	60
Stroke	19
Ischemic Heart Disease	49
Depression	39
Chronic Kidney Disease	32
Asthma	12
Osteoperosis	14
Atrial Fibrilation	14
Heart Failure	25
Chronic Obstructive Pulmonary Disease	21
Diabetes	32
Dementia	19
Cancer	9

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John S. Marouk, DO treated as a neurosurgeon in Tulsa, OK during 2015 were hospital care, inpatient care, spinal procedures and nerve procedures.

Volume of procedures performed by Dr. John S. Marouk, DO for Medicare patients.

arthrodesis (bone fusion surgery)	16
decompression surgery	32
doctor visit	322
hospital care	440
inpatient care	440
neck surgery	16
nerve procedures	32
spinal procedures	63

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John S. Marouk, DO.

**Gender**
Male	272
Female	336

**Ethnicity**
Non-Hispanic White	518
Black	0
Hispanic	0
Asian	0
Other	0
Native American	56

**Age**
From 65 to 74	254
From 75 to 84	176
85 and over	90
Less than 65	88

Conditions of Medicare patients treated by Dr. John S. Marouk, DO in 2015

Hypertension	75
High Cholesterol	59
Stroke	25
Ischemic Heart Disease	42
Depression	32
Chronic Kidney Disease	33
Asthma	20
Osteoperosis	12
Atrial Fibrilation	12
Heart Failure	25
Chronic Obstructive Pulmonary Disease	21
Diabetes	32
Dementia	21
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John S. Marouk, DO treated as a neurosurgeon in Tulsa, OK during 2016 were hospital care, inpatient care, spinal procedures and nerve procedures.

Volume of procedures performed by Dr. John S. Marouk, DO for Medicare patients.

arthrodesis (bone fusion surgery)	16
decompression surgery	31
doctor visit	354
hospital care	428
inpatient care	428
neck surgery	16
nerve procedures	31
spinal procedures	64

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John S. Marouk, DO.

**Gender**
Male	153
Female	180

**Ethnicity**
Non-Hispanic White	283
Black	11
Hispanic	0
Asian	0
Other	0
Native American	28

**Age**
From 65 to 74	151
From 75 to 84	88
85 and over	39
Less than 65	55

Conditions of Medicare patients treated by Dr. John S. Marouk, DO in 2016

Hypertension	75
High Cholesterol	60
Stroke	22
Ischemic Heart Disease	38
Depression	36
Chronic Kidney Disease	40
Asthma	29
Osteoperosis	12
Atrial Fibrilation	9
Heart Failure	25
Chronic Obstructive Pulmonary Disease	25
Diabetes	34
Dementia	22
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John S. Marouk, DO treated as a neurosurgeon in Tulsa, OK during 2017 were hospital care, inpatient care, spinal procedures and nerve procedures.

Volume of procedures performed by Dr. John S. Marouk, DO for Medicare patients.

arthrodesis (bone fusion surgery)	20
decompression surgery	34
doctor visit	381
hospital care	467
inpatient care	467
neck surgery	20
nerve procedures	34
spinal procedures	70

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John S. Marouk, DO.

**Gender**
Male	169
Female	194

**Ethnicity**
Non-Hispanic White	293
Black	0
Hispanic	0
Asian	0
Other	0
Native American	48

**Age**
From 65 to 74	167
From 75 to 84	104
85 and over	41
Less than 65	51

Conditions of Medicare patients treated by Dr. John S. Marouk, DO in 2017

Hypertension	75
High Cholesterol	58
Stroke	20
Ischemic Heart Disease	47
Depression	34
Chronic Kidney Disease	43
Asthma	12
Osteoperosis	14
Atrial Fibrilation	12
Heart Failure	28
Chronic Obstructive Pulmonary Disease	22
Diabetes	36
Dementia	21
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John S. Marouk, DO treated as a neurosurgeon in Tulsa, OK during 2018 were hospital care, inpatient care, spinal procedures and CT scan.

Volume of procedures performed by Dr. John S. Marouk, DO for Medicare patients.

arthrodesis (bone fusion surgery)	22
brain imaging (neuroimaging)	24
cranial surgery	16
CT scan	54
decompression surgery	52
doctor visit	388
hospital care	619
inpatient care	619
MRI (magnetic resonance imaging)	50
neck surgery	22
nerve procedures	52
spinal procedures	220
X-rays	45

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John S. Marouk, DO.

**Gender**
Male	200
Female	230

**Ethnicity**
Non-Hispanic White	347
Black	17
Hispanic	0
Asian	0
Other	0
Native American	48

**Age**
From 65 to 74	185
From 75 to 84	139
85 and over	56
Less than 65	50

Conditions of Medicare patients treated by Dr. John S. Marouk, DO in 2018

Hypertension	75
High Cholesterol	63
Stroke	20
Ischemic Heart Disease	49
Depression	0
Chronic Kidney Disease	49
Asthma	12
Osteoperosis	14
Atrial Fibrilation	14
Heart Failure	33
Chronic Obstructive Pulmonary Disease	27
Diabetes	39
Dementia	23
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John S. Marouk, DO treated as a neurosurgeon in Tulsa, OK during 2019 were hospital care, inpatient care, spinal procedures and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. John S. Marouk, DO for Medicare patients.

arthrodesis (bone fusion surgery)	15
brain imaging (neuroimaging)	63
CT scan	81
decompression surgery	44
doctor visit	427
hospital care	464
inpatient care	464
MRI (magnetic resonance imaging)	145
neck surgery	15
nerve procedures	44
spinal procedures	335
X-rays	90

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John S. Marouk, DO.

**Gender**
Male	181
Female	232

**Ethnicity**
Non-Hispanic White	335
Black	19
Hispanic	0
Asian	0
Other	0
Native American	40

**Age**
From 65 to 74	179
From 75 to 84	132
85 and over	55
Less than 65	47

Conditions of Medicare patients treated by Dr. John S. Marouk, DO in 2019

Hypertension	75
High Cholesterol	64
Stroke	16
Ischemic Heart Disease	46
Depression	41
Chronic Kidney Disease	50
Asthma	10
Osteoperosis	11
Atrial Fibrilation	14
Heart Failure	32
Chronic Obstructive Pulmonary Disease	23
Diabetes	36
Dementia	23
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John S. Marouk, DO treated as a neurosurgeon in Tulsa, OK during 2020 were hospital care, inpatient care, spinal procedures and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. John S. Marouk, DO for Medicare patients.

brain imaging (neuroimaging)	56
cranial surgery	16
CT scan	70
decompression surgery	11
doctor visit	296
hospital care	332
inpatient care	332
MRI (magnetic resonance imaging)	92
nerve procedures	11
spinal procedures	213
X-rays	80

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John S. Marouk, DO.

**Gender**
Male	126
Female	148

**Ethnicity**
Non-Hispanic White	219
Black	0
Hispanic	0
Asian	0
Other	0
Native American	35

**Age**
From 65 to 74	130
From 75 to 84	90
85 and over	31
Less than 65	23

Conditions of Medicare patients treated by Dr. John S. Marouk, DO in 2020

Hypertension	75
High Cholesterol	65
Stroke	16
Ischemic Heart Disease	50
Depression	40
Chronic Kidney Disease	47
Asthma	9
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	31
Chronic Obstructive Pulmonary Disease	18
Diabetes	34
Dementia	26
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John S. Marouk, DO treated as a neurosurgeon in Tulsa, OK during 2021 were hospital care, inpatient care, spinal procedures and X-rays.

Volume of procedures performed by Dr. John S. Marouk, DO for Medicare patients.

doctor visit	253
hospital care	351
inpatient care	351
spinal procedures	25
X-rays	13

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John S. Marouk, DO.

**Gender**
Male	118
Female	141

**Ethnicity**
Non-Hispanic White	223
Black	0
Hispanic	0
Asian	0
Other	0
Native American	18

**Age**
From 65 to 74	115
From 75 to 84	79
85 and over	30
Less than 65	35

Conditions of Medicare patients treated by Dr. John S. Marouk, DO in 2021

Hypertension	75
High Cholesterol	70
Stroke	15
Ischemic Heart Disease	47
Depression	37
Chronic Kidney Disease	45
Asthma	10
Osteoperosis	15
Atrial Fibrilation	14
Heart Failure	32
Chronic Obstructive Pulmonary Disease	23
Diabetes	34
Dementia	20
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John S. Marouk, DO treated as a neurosurgeon in Tulsa, OK during 2022 were inpatient care, hospital care, spinal procedures and nerve procedures.

Volume of procedures performed by Dr. John S. Marouk, DO for Medicare patients.

arthrodesis (bone fusion surgery)	17
decompression surgery	30
doctor visit	363
gastrointestinal procedures	15
hospital care	412
implant surgery	15
inpatient care	412
minimally invasive procedures	16
neck surgery	17
nerve procedures	30
neurostimulator lead placement	16
neurostimulator replacement	15
peripheral nerve stimulator replacement	15
spinal procedures	60

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John S. Marouk, DO.

**Gender**
Male	148
Female	178

**Ethnicity**
Non-Hispanic White	269
Black	12
Hispanic	0
Asian	0
Other	0
Native American	32

**Age**
From 65 to 74	136
From 75 to 84	118
85 and over	41
Less than 65	31

Conditions of Medicare patients treated by Dr. John S. Marouk, DO in 2022

Hypertension	75
High Cholesterol	75
Stroke	28
Ischemic Heart Disease	39
Depression	42
Chronic Kidney Disease	30
Asthma	16
Osteoperosis	17
Atrial Fibrilation	21
Heart Failure	25
Chronic Obstructive Pulmonary Disease	24
Diabetes	36
Dementia	18
Cancer	11

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. John S. Marouk, DO for Medicare patients.

The highest averages for the top procedures that Dr. John S. Marouk, DO treated as a neurosurgeon in Tulsa, OK were inpatient care, hospital care, spinal procedures and MRI (magnetic resonance imaging).

arthrodesis (bone fusion surgery)	17
brain imaging (neuroimaging)	47
cranial surgery	16
CT scan	68
decompression surgery	34
doctor visit	350
emergency care	28
gastrointestinal procedures	15
hospital care	404
implant surgery	15
inpatient care	404
minimally invasive procedures	16
MRI (magnetic resonance imaging)	95
neck surgery	17
nerve procedures	34
neurostimulator lead placement	16
neurostimulator replacement	15
peripheral nerve stimulator replacement	15
spinal procedures	111
X-rays	57

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. John S. Marouk, DO.

**Gender**
Male	149
Female	175

**Ethnicity**
Black / African American	5
Asian / Pacific Islander	0
Non-Hispanic White	269
Native American / Alaskan Native	33
Hispanic	0
Other	0

**Age**
75 to 84	98
85 and over	40
Less than 65	43
65 to 74	142

Average of Total of Conditions of Medicare patients treated by Dr. John S. Marouk, DO From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. John S. Marouk, DO treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	68
High Cholesterol	57
Stroke	18
Ischemic Heart Disease	41
Depression	30
Chronic Kidney Disease	36
Asthma	12
Osteoporosis	12
Heart Failure	25
Chronic Obstructive Pulmonary Disease	20
Diabetes	31
Atrial Fibrillation	12
Dementia	19
Cancer	10

Education & Training

Dr. John S. Marouk, DO graduated from Oklahoma State University Center for Health Sciences, College of Osteopathic Medicine in 1987. He completed residency at Oklahoma State University Affiliated Hospitals. He is certified by the Board Certification: American Osteopathic Association - Neurological Surgery and has a state license in Oklahoma.

Medical School: Oklahoma State University Center for Health Sciences, College of Osteopathic Medicine (1987)

Residency: Oklahoma State University Affiliated Hospitals (1991)

Board Certification: Board Certification: American Osteopathic Association - Neurological Surgery

Licensed In: Oklahoma

Affiliations & Hospitals

Dr. John S. Marouk, DO is associated with these hospitals and organizations:

Saint Francis Health System

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General Payments

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

**Payments by Company**
Amendia, Inc.	$86,400 $86,400
General Orthopedic Acquisition Co. Inc.	$34,500 $34,500
Alphatec Spine, Inc	$2,593 Other - Miscellaneous $1,643	LIF $761	OsseoScrew $29	$161
Intrinsic Therapeutics	$307 BARRICAID ACD (ANNULAR CLOSURE DEVICE) $307
Medtronic, Inc.	$154 INTELLIS ADAPTIVESTIM $154
Other	$580 Mobi-C $132	DSS $124	I-FACTOR PEPTIDE ENHANCED BONE GRAFT $110	GELFOAM $54	FUSION $43	Other $118

**Types of Payments**
Current or prospective ownership or investment interest	$86,400
Consulting Fee	$34,500
Food and Beverage	$1,992
Travel and Lodging	$1,643

Ownership and Interest Payments

This table describes ownership payments received by Dr. John S. Marouk, DO.

Amendia, Inc.	2013	$75,150.00	Physician Covered Recipient	45000 Shares
Vivex Biomedical, Inc.	2013	$13,860.00	Physician Covered Recipient	COMMON STOCK INDEPENDENTLY ESTIMATED FAIR MARKET VALUE
Vivex Biomedical, Inc.	2014	$10,980.00	Physician Covered Recipient	COMMON STOCK INDEPENDENTLY ESTIMATED FAIR MARKET VALUE

Biography

Dr. John Marouk's area of specialization is neurosurgery. After attending Oklahoma State University Center for Health Sciences, College of Osteopathic Medicine for medical school, he completed his residency training at a hospital affiliated with Oklahoma State University. He is affiliated with Saint Francis Health System.