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Home > OK Providers > Neurosurgeons

Dr. Mark O. Duncan, DO

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Specializes in: Neurosurgery

Oklahoma State University Center for Health Sciences, College of Osteopathic Medicine (1994)

110 Nw 31st Street Floor 2
Lawton, OK 73505

(580) 248-5255

Dr. Mark O. Duncan, DO is a neurosurgeon in Lawton, OK specializing in neurosurgery. He graduated from Oklahoma State University Center for Health Sciences, College of Osteopathic Medicine in 1994 and has 32 years of experience. Dr. Mark O. Duncan, DO is affiliated with Comanche County Memorial Hospital and COMANCHE COUNTY HEALTHCARE CORPORATION.

Office Locations

110 Nw 31st Street Floor 2
Lawton, OK 73505

(580) 248-5255

(580) 248-2036

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3201 W Gore Boulevard #300
Lawton, OK 73505

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Noteworthy Medicare Patient Procedures Performed by Dr. Mark O. Duncan, DO in 2023

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

Top 5%

By Volume:

open carpal tunnel surgery

In 2023, Dr. Mark O. Duncan, DO performed more open carpal tunnel surgery procedures for Medicare patients than 95% of providers in related specialties within Oklahoma.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Mark O. Duncan, DO treated as a neurosurgeon in Lawton, OK during 2012 were nerve procedures, decompression surgery, open surgery and upper extremity surgery.

Volume of procedures performed by Dr. Mark O. Duncan, DO for Medicare patients.

decompression surgery	49
doctor visit	314
hospital care	28
inpatient care	28
nerve procedures	49
open surgery	35
spinal procedures	14
upper extremity surgery	35

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark O. Duncan, DO treated as a neurosurgeon in Lawton, OK during 2013 were nerve procedures, decompression surgery, spinal procedures and open surgery.

Volume of procedures performed by Dr. Mark O. Duncan, DO for Medicare patients.

arthrodesis (bone fusion surgery)	11
decompression surgery	66
doctor visit	390
neck surgery	11
nerve procedures	66
open surgery	28
spinal procedures	49
upper extremity surgery	28

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark O. Duncan, DO.

**Gender**
Male	119
Female	181

**Ethnicity**
Non-Hispanic White	223
Black	44
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	130
From 75 to 84	82
85 and over	15
Less than 65	73

Conditions of Medicare patients treated by Dr. Mark O. Duncan, DO in 2013

Hypertension	75
High Cholesterol	53
Stroke	8
Ischemic Heart Disease	39
Depression	27
Chronic Kidney Disease	21
Asthma	11
Osteoperosis	13
Atrial Fibrilation	5
Heart Failure	28
Chronic Obstructive Pulmonary Disease	23
Diabetes	40
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mark O. Duncan, DO treated as a neurosurgeon in Lawton, OK during 2014 were spinal procedures, nerve procedures, decompression surgery and hospital care.

Volume of procedures performed by Dr. Mark O. Duncan, DO for Medicare patients.

arthrodesis (bone fusion surgery)	12
decompression surgery	41
doctor visit	329
hospital care	21
injections	13
inpatient care	21
neck surgery	12
nerve block	13
nerve procedures	41
open surgery	15
pain management	13
spinal procedures	52
upper extremity surgery	15

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark O. Duncan, DO.

**Gender**
Male	133
Female	144

**Ethnicity**
Non-Hispanic White	219
Black	31
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	125
From 75 to 84	80
85 and over	17
Less than 65	55

Conditions of Medicare patients treated by Dr. Mark O. Duncan, DO in 2014

Hypertension	75
High Cholesterol	66
Stroke	8
Ischemic Heart Disease	48
Depression	27
Chronic Kidney Disease	20
Asthma	5
Osteoperosis	12
Atrial Fibrilation	5
Heart Failure	26
Chronic Obstructive Pulmonary Disease	27
Diabetes	46
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark O. Duncan, DO treated as a neurosurgeon in Lawton, OK during 2015 were nerve procedures, decompression surgery, spinal procedures and open surgery.

Volume of procedures performed by Dr. Mark O. Duncan, DO for Medicare patients.

decompression surgery	44
doctor visit	335
nerve procedures	44
open surgery	15
spinal procedures	29
upper extremity surgery	15

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark O. Duncan, DO.

**Gender**
Male	246
Female	246

**Ethnicity**
Non-Hispanic White	410
Black	48
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	206
From 75 to 84	162
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark O. Duncan, DO in 2015

Hypertension	75
High Cholesterol	55
Stroke	7
Ischemic Heart Disease	42
Depression	28
Chronic Kidney Disease	22
Asthma	15
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	23
Chronic Obstructive Pulmonary Disease	24
Diabetes	37
Dementia	11
Cancer	7

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark O. Duncan, DO treated as a neurosurgeon in Lawton, OK during 2016 were hospital care, inpatient care, spinal procedures and nerve procedures.

Volume of procedures performed by Dr. Mark O. Duncan, DO for Medicare patients.

decompression surgery	50
doctor visit	413
hospital care	58
injections	25
inpatient care	58
nerve block	25
nerve procedures	50
open surgery	22
pain management	25
spinal procedures	53
upper extremity surgery	22

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark O. Duncan, DO.

**Gender**
Male	139
Female	185

**Ethnicity**
Non-Hispanic White	257
Black	33
Hispanic	0
Asian	0
Other	0
Native American	15

**Age**
From 65 to 74	135
From 75 to 84	86
85 and over	23
Less than 65	80

Conditions of Medicare patients treated by Dr. Mark O. Duncan, DO in 2016

Hypertension	75
High Cholesterol	58
Stroke	7
Ischemic Heart Disease	41
Depression	30
Chronic Kidney Disease	28
Asthma	26
Osteoperosis	8
Atrial Fibrilation	8
Heart Failure	23
Chronic Obstructive Pulmonary Disease	23
Diabetes	40
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark O. Duncan, DO treated as a neurosurgeon in Lawton, OK during 2017 were nerve procedures, decompression surgery, spinal procedures and open surgery.

Volume of procedures performed by Dr. Mark O. Duncan, DO for Medicare patients.

arthrodesis (bone fusion surgery)	12
decompression surgery	71
doctor visit	398
hospital care	18
injections	12
inpatient care	18
neck surgery	12
nerve block	12
nerve procedures	71
open surgery	32
pain management	12
spinal procedures	62
upper extremity surgery	32

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark O. Duncan, DO.

**Gender**
Male	141
Female	168

**Ethnicity**
Non-Hispanic White	225
Black	41
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	129
From 75 to 84	81
85 and over	14
Less than 65	85

Conditions of Medicare patients treated by Dr. Mark O. Duncan, DO in 2017

Hypertension	75
High Cholesterol	53
Stroke	7
Ischemic Heart Disease	40
Depression	26
Chronic Kidney Disease	34
Asthma	7
Osteoperosis	7
Atrial Fibrilation	6
Heart Failure	26
Chronic Obstructive Pulmonary Disease	27
Diabetes	32
Dementia	9
Cancer	7

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark O. Duncan, DO treated as a neurosurgeon in Lawton, OK during 2018 were nerve procedures, decompression surgery, spinal procedures and open surgery.

Volume of procedures performed by Dr. Mark O. Duncan, DO for Medicare patients.

decompression surgery	57
doctor visit	429
hospital care	17
injections	21
inpatient care	17
nerve block	21
nerve procedures	57
open surgery	43
pain management	21
spinal procedures	46
upper extremity surgery	43

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark O. Duncan, DO.

**Gender**
Male	131
Female	186

**Ethnicity**
Non-Hispanic White	240
Black	32
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	130
From 75 to 84	95
85 and over	16
Less than 65	76

Conditions of Medicare patients treated by Dr. Mark O. Duncan, DO in 2018

Hypertension	75
High Cholesterol	63
Stroke	6
Ischemic Heart Disease	38
Depression	25
Chronic Kidney Disease	37
Asthma	5
Osteoperosis	9
Atrial Fibrilation	7
Heart Failure	24
Chronic Obstructive Pulmonary Disease	24
Diabetes	39
Dementia	9
Cancer	8

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark O. Duncan, DO treated as a neurosurgeon in Lawton, OK during 2019 were nerve procedures, decompression surgery, spinal procedures and open surgery.

Volume of procedures performed by Dr. Mark O. Duncan, DO for Medicare patients.

decompression surgery	41
doctor visit	386
hospital care	20
injections	24
inpatient care	20
nerve block	24
nerve procedures	41
open surgery	28
pain management	24
spinal procedures	37
upper extremity surgery	28

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark O. Duncan, DO.

**Gender**
Male	130
Female	179

**Ethnicity**
Non-Hispanic White	219
Black	38
Hispanic	0
Asian	0
Other	0
Native American	23

**Age**
From 65 to 74	117
From 75 to 84	103
85 and over	22
Less than 65	67

Conditions of Medicare patients treated by Dr. Mark O. Duncan, DO in 2019

Hypertension	75
High Cholesterol	64
Stroke	5
Ischemic Heart Disease	36
Depression	29
Chronic Kidney Disease	34
Asthma	6
Osteoperosis	10
Atrial Fibrilation	7
Heart Failure	23
Chronic Obstructive Pulmonary Disease	27
Diabetes	33
Dementia	7
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mark O. Duncan, DO treated as a neurosurgeon in Lawton, OK during 2020 were nerve procedures, decompression surgery, open surgery and upper extremity surgery.

Volume of procedures performed by Dr. Mark O. Duncan, DO for Medicare patients.

decompression surgery	33
doctor visit	258
nerve procedures	33
open surgery	21
spinal procedures	12
upper extremity surgery	21

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark O. Duncan, DO.

**Gender**
Male	109
Female	132

**Ethnicity**
Non-Hispanic White	184
Black	26
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	114
From 75 to 84	68
85 and over	12
Less than 65	47

Conditions of Medicare patients treated by Dr. Mark O. Duncan, DO in 2020

Hypertension	72
High Cholesterol	55
Stroke	5
Ischemic Heart Disease	37
Depression	27
Chronic Kidney Disease	34
Asthma	5
Osteoperosis	7
Atrial Fibrilation	7
Heart Failure	20
Chronic Obstructive Pulmonary Disease	21
Diabetes	32
Dementia	8
Cancer	7

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mark O. Duncan, DO treated as a neurosurgeon in Lawton, OK during 2021 were nerve procedures, decompression surgery, spinal procedures and open surgery.

Volume of procedures performed by Dr. Mark O. Duncan, DO for Medicare patients.

decompression surgery	34
doctor visit	282
hospital care	20
inpatient care	20
nerve procedures	34
open surgery	21
spinal procedures	24
upper extremity surgery	21

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark O. Duncan, DO.

**Gender**
Male	113
Female	143

**Ethnicity**
Non-Hispanic White	203
Black	23
Hispanic	19
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	118
From 75 to 84	79
85 and over	13
Less than 65	46

Conditions of Medicare patients treated by Dr. Mark O. Duncan, DO in 2021

Hypertension	75
High Cholesterol	62
Stroke	9
Ischemic Heart Disease	32
Depression	25
Chronic Kidney Disease	31
Asthma	7
Osteoperosis	9
Atrial Fibrilation	8
Heart Failure	22
Chronic Obstructive Pulmonary Disease	24
Diabetes	38
Dementia	11
Cancer	8

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mark O. Duncan, DO treated as a neurosurgeon in Lawton, OK during 2022 were nerve procedures, decompression surgery, hospital care and inpatient care.

Volume of procedures performed by Dr. Mark O. Duncan, DO for Medicare patients.

decompression surgery	32
doctor visit	190
hospital care	30
inpatient care	30
nerve procedures	32
open surgery	19
spinal procedures	13
upper extremity surgery	19

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark O. Duncan, DO.

**Gender**
Male	73
Female	108

**Ethnicity**
Non-Hispanic White	141
Black	13
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	91
From 75 to 84	52
85 and over	19
Less than 65	19

Conditions of Medicare patients treated by Dr. Mark O. Duncan, DO in 2022

Hypertension	75
High Cholesterol	75
Stroke	20
Ischemic Heart Disease	25
Depression	22
Chronic Kidney Disease	25
Asthma	11
Osteoperosis	22
Atrial Fibrilation	13
Heart Failure	16
Chronic Obstructive Pulmonary Disease	28
Diabetes	37
Dementia	8
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Mark O. Duncan, DO for Medicare patients.

The highest averages for the top procedures that Dr. Mark O. Duncan, DO treated as a neurosurgeon in Lawton, OK were nerve procedures, decompression surgery, spinal procedures and hospital care.

arthrodesis (bone fusion surgery)	11
decompression surgery	47
doctor visit	338
hospital care	26
injections	19
inpatient care	26
neck surgery	11
nerve block	19
nerve procedures	47
open surgery	25
pain management	19
spinal procedures	35
upper extremity surgery	25

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Mark O. Duncan, DO.

**Gender**
Male	121
Female	152

**Ethnicity**
Black / African American	29
Asian / Pacific Islander	0
Non-Hispanic White	211
Native American / Alaskan Native	3
Hispanic	8
Other	0

**Age**
75 to 84	80
85 and over	13
Less than 65	49
65 to 74	117

Average of Total of Conditions of Medicare patients treated by Dr. Mark O. Duncan, DO From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Mark O. Duncan, DO treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	67
High Cholesterol	54
Stroke	7
Ischemic Heart Disease	34
Depression	24
Chronic Kidney Disease	26
Asthma	8
Osteoporosis	9
Heart Failure	21
Chronic Obstructive Pulmonary Disease	22
Diabetes	34
Atrial Fibrillation	6
Dementia	8
Cancer	8

Education & Training

Dr. Mark O. Duncan, DO graduated from Oklahoma State University Center for Health Sciences, College of Osteopathic Medicine in 1994. He is certified by the Board Certified and has a state license in Oklahoma.

Medical School: Oklahoma State University Center for Health Sciences, College of Osteopathic Medicine (1994)

Board Certification: Board Certified

Licensed In: Oklahoma

Affiliations & Hospitals

Dr. Mark O. Duncan, DO is associated with these hospitals and organizations:

Comanche County Memorial Hospital

COMANCHE COUNTY HEALTHCARE CORPORATION

Ratings & Reviews

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General Payments

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

**Payments by Company**
Zimmer Biomet Holdings, Inc.	$1,566 Mobi-C $769	ROI C $700	Vital $97
Stryker Corporation	$506 NAVIGATION $488	STRYKER NAV3I $18
Globus Medical, Inc.	$147 AFFIRM $147
Orthofix Medical, Inc.	$121 7D Surgical System $121
Pylant Medical	$65 $65
Other	$376 APTIOM $58	SYNVISC-ONE $32	Neurosurgery $31	Barricaid Annular Closure Device $30	ACTHAR $23	Other $202

**Types of Payments**
Travel and Lodging	$1,903
Food and Beverage	$878

Biography

Dr. Mark Duncan works as a neurosurgery. Dr. Duncan studied medicine at Oklahoma State University Center for Health Sciences, College of Osteopathic Medicine. He is affiliated with Comanche County Memorial Hospital.

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Dr. Mark O. Duncan, DO

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Mark O. Duncan, DO in 2023

By Volume:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark O. Duncan, DO in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark O. Duncan, DO in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark O. Duncan, DO in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark O. Duncan, DO in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark O. Duncan, DO in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark O. Duncan, DO in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark O. Duncan, DO in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark O. Duncan, DO in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark O. Duncan, DO in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark O. Duncan, DO in 2022

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Average Medicare Patient Data From 2012 - 2022

Average of Total of Conditions of Medicare patients treated by Dr. Mark O. Duncan, DO From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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