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Home > NC Providers > Obstetricians & Gynecologists: OB-GYNs

Dr. Marshall Jay Barker, DO

(No ratings)

Specializes in: Obstetrics & Gynecology, Family Medicine and General Practice

313 Main Street
Bayboro, NC 28515

(252) 745-2070

Dr. Marshall Jay Barker, DO is an obstetrician and gynecologist in Snow Hill, NC specializing in obstetrics & gynecology, family medicine and general practice.

Office Locations

205 Martin Luther King Jr. Parkway
Snow Hill, NC 28580

(252) 747-4199

(252) 747-8400

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313 Main Street
Bayboro, NC 28515

(252) 745-2070

1-855-422-9508

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Noteworthy Medicare Patient Procedures Performed by Dr. Marshall Jay Barker, DO in 2023

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

Top 5%

By Volume:

diabetes management

finger stick glucose test

total cholesterol test

By Affordability:

blood tests

cholesterol screening

diabetes management

finger stick glucose test

glucose monitoring

glucose tests

In 2023, among providers in related specialties within North Carolina, Dr. Marshall Jay Barker, DO performed more diabetes management, finger stick glucose test, and total cholesterol test procedures for Medicare patients than 95% of them and he also had a list price for blood tests, cholesterol screening, diabetes management, finger stick glucose test, glucose monitoring, and glucose tests that was lower than the list prices billed to Medicare by 95% 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.

Top 25%

By Volume:

lab tests

In 2012, Dr. Marshall Jay Barker, DO performed more lab tests procedures for Medicare patients than 75% of providers in related specialties within North Carolina.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Marshall Jay Barker, DO treated as an obstetrician and gynecologist in Snow Hill, NC during 2012 were lab tests, preventive care, cytology and gynecologic pathology.

Volume of procedures performed by Dr. Marshall Jay Barker, DO for Medicare patients.

breast exam	60
cytology	61
doctor visit	231
gynecologic pathology	61
gynecologic procedures	60
lab tests	77
preventive care	61

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Marshall Jay Barker, DO for Medicare patients.

doctor visit	300

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Marshall Jay Barker, DO.

**Gender**
Male	43
Female	49

**Ethnicity**
Non-Hispanic White	0
Black	50
Hispanic	0
Asian	0
Other	0
Native American	0

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

Conditions of Medicare patients treated by Dr. Marshall Jay Barker, DO in 2013

Hypertension	45
High Cholesterol	29
Stroke	0
Ischemic Heart Disease	21
Depression	48
Chronic Kidney Disease	17
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	13
Chronic Obstructive Pulmonary Disease	14
Diabetes	32
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

Volume of procedures performed by Dr. Marshall Jay Barker, DO for Medicare patients.

doctor visit	366

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Marshall Jay Barker, DO.

**Gender**
Male	46
Female	64

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

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	95

Conditions of Medicare patients treated by Dr. Marshall Jay Barker, DO in 2014

Hypertension	49
High Cholesterol	27
Stroke	0
Ischemic Heart Disease	15
Depression	59
Chronic Kidney Disease	0
Asthma	12
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	10
Chronic Obstructive Pulmonary Disease	12
Diabetes	25
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

Volume of procedures performed by Dr. Marshall Jay Barker, DO for Medicare patients.

doctor visit	485

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Marshall Jay Barker, DO.

**Gender**
Male	122
Female	184

**Ethnicity**
Non-Hispanic White	0
Black	156
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	250

Conditions of Medicare patients treated by Dr. Marshall Jay Barker, DO in 2015

Hypertension	53
High Cholesterol	35
Stroke	0
Ischemic Heart Disease	14
Depression	65
Chronic Kidney Disease	14
Asthma	20
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	11
Chronic Obstructive Pulmonary Disease	16
Diabetes	31
Dementia	8
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

Volume of procedures performed by Dr. Marshall Jay Barker, DO for Medicare patients.

doctor visit	294

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Marshall Jay Barker, DO.

**Gender**
Male	48
Female	89

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

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	113

Conditions of Medicare patients treated by Dr. Marshall Jay Barker, DO in 2016

Hypertension	62
High Cholesterol	35
Stroke	0
Ischemic Heart Disease	15
Depression	56
Chronic Kidney Disease	19
Asthma	24
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	12
Chronic Obstructive Pulmonary Disease	20
Diabetes	33
Dementia	10
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Marshall Jay Barker, DO treated as an obstetrician and gynecologist in Snow Hill, NC during 2017 were lab tests, diabetes management and preventive care.

Volume of procedures performed by Dr. Marshall Jay Barker, DO for Medicare patients.

diabetes management	77
lab tests	114
preventive care	21

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Marshall Jay Barker, DO.

**Gender**
Male	13
Female	43

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

**Age**
From 65 to 74	25
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Marshall Jay Barker, DO in 2017

Hypertension	71
High Cholesterol	36
Stroke	0
Ischemic Heart Disease	27
Depression	36
Chronic Kidney Disease	30
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	25
Diabetes	39
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Marshall Jay Barker, DO treated as an obstetrician and gynecologist in Snow Hill, NC during 2018 were lab tests, diabetes management and preventive care.

Volume of procedures performed by Dr. Marshall Jay Barker, DO for Medicare patients.

diabetes management	42
lab tests	42
preventive care	21

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Marshall Jay Barker, DO.

**Gender**
Male	20
Female	32

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

**Age**
From 65 to 74	21
From 75 to 84	0
85 and over	0
Less than 65	19

Conditions of Medicare patients treated by Dr. Marshall Jay Barker, DO in 2018

Hypertension	62
High Cholesterol	33
Stroke	0
Ischemic Heart Disease	31
Depression	27
Chronic Kidney Disease	35
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	27
Diabetes	46
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Marshall Jay Barker, DO treated as an obstetrician and gynecologist in Snow Hill, NC during 2019 were lab tests, diabetes management and preventive care.

Volume of procedures performed by Dr. Marshall Jay Barker, DO for Medicare patients.

diabetes management	52
lab tests	52
preventive care	18

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Marshall Jay Barker, DO.

**Gender**
Male	12
Female	36

**Ethnicity**
Non-Hispanic White	32
Black	16
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	21
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Marshall Jay Barker, DO in 2019

Hypertension	58
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	48
Depression	40
Chronic Kidney Disease	25
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	38
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Marshall Jay Barker, DO treated as an obstetrician and gynecologist in Snow Hill, NC during 2020 were lab tests, diabetes management and preventive care.

Volume of procedures performed by Dr. Marshall Jay Barker, DO for Medicare patients.

diabetes management	36
lab tests	36
preventive care	17

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Marshall Jay Barker, DO.

**Gender**
Male	12
Female	33

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

**Age**
From 65 to 74	20
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Marshall Jay Barker, DO in 2020

Hypertension	56
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	40
Depression	33
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	33
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Marshall Jay Barker, DO treated as an obstetrician and gynecologist in Snow Hill, NC during 2021 were lab tests, diabetes management and preventive care.

Volume of procedures performed by Dr. Marshall Jay Barker, DO for Medicare patients.

diabetes management	57
lab tests	74
preventive care	45

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Marshall Jay Barker, DO.

**Ethnicity**
Non-Hispanic White	24
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	19
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Marshall Jay Barker, DO in 2021

Hypertension	72
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	44
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Marshall Jay Barker, DO treated as an obstetrician and gynecologist in Snow Hill, NC during 2022 were lab tests, diabetes management and preventive care.

Volume of procedures performed by Dr. Marshall Jay Barker, DO for Medicare patients.

diabetes management	76
lab tests	97
preventive care	57

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Marshall Jay Barker, DO.

**Gender**
Male	16
Female	25

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

**Age**
From 65 to 74	23
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Marshall Jay Barker, DO in 2022

Hypertension	75
High Cholesterol	73
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	44
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Marshall Jay Barker, DO for Medicare patients.

The highest averages for the top procedures that Dr. Marshall Jay Barker, DO treated as an obstetrician and gynecologist in Snow Hill, NC were lab tests, cytology, gynecologic pathology and breast exam.

breast exam	60
cytology	61
diabetes management	56
doctor visit	335
gynecologic pathology	61
gynecologic procedures	60
lab tests	70
preventive care	34

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Marshall Jay Barker, DO.

**Gender**
Male	30
Female	50

**Ethnicity**
Black / African American	34
Asian / Pacific Islander	0
Non-Hispanic White	12
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	0
85 and over	0
Less than 65	50
65 to 74	11

Average of Total of Conditions of Medicare patients treated by Dr. Marshall Jay Barker, DO From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Marshall Jay Barker, DO treated were hypertension, high cholesterol, depression and diabetes.

Hypertension	54
High Cholesterol	38
Stroke	0
Ischemic Heart Disease	19
Depression	33
Chronic Kidney Disease	12
Asthma	5
Osteoporosis	0
Heart Failure	4
Chronic Obstructive Pulmonary Disease	10
Diabetes	33
Atrial Fibrillation	0
Dementia	1
Cancer	0

Education & Training

He has a state license in North Carolina.

Licensed In: North Carolina

Ratings & Reviews

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General Payments

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

**Payments by Company**
Takeda Pharmaceuticals America, Inc.	$194 Brintellix $194
Shire North American Group Inc	$140 VYVANSE $140
RedHill Biopharma Inc.	$71 TALICIA $37	talicia $34
Janssen Pharmaceuticals, Inc	$65 INVEGA TRINZA $34	INVEGA SUSTENNA $32
Pfizer Inc.	$64 PAXLOVID $20	COMIRNATY $17	COLOGUARD $16	TRUMENBA $11
Other	$688 VRAYLAR $68	DEXCOM G6 TRANSMITTER $48	FANAPT $45	Omnipod $41	Trintellix $40	Other $446

**Types of Payments**
Food and Beverage	$1,151
Education	$71

Biography

Dr. Marshall Barker specializes in general practice, family medicine, and obstetrics & gynecology and practices in Bayboro, NC and Snow Hill, NC. Dr. Barker obtained a license to practice in North Carolina.

Select Year:

Dr. Marshall Jay Barker, DO

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Marshall Jay Barker, DO in 2023

By Volume:

By Affordability:

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. Marshall Jay Barker, DO in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marshall Jay Barker, DO in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marshall Jay Barker, DO in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marshall Jay Barker, DO in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marshall Jay Barker, DO in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marshall Jay Barker, DO in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marshall Jay Barker, DO in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marshall Jay Barker, DO in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marshall Jay Barker, DO in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Marshall Jay Barker, 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. Marshall Jay Barker, DO From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

Other Providers in Snow Hill, NC