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Dr. Gregg Maurice Barre, MD

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Specializes in: Pathology

2915 Missouri Avenue
Shreveport, LA 71109

(318) 364-2000

Dr. Gregg Maurice Barre, MD is a pathologist in Shreveport, LA specializing in pathology.

Office Locations

2915 Missouri Avenue
Shreveport, LA 71109

(318) 364-2000

(318) 212-4189

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4801 Ambassador Caffery Parkway
Lafayette, LA 70508

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Noteworthy Medicare Patient Procedures Performed by Dr. Gregg Maurice Barre, MD in 2023

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

Top 25%

By Affordability:

consultation

intraoperative pathology consultation

In 2012, Dr. Gregg Maurice Barre, MD had a list price for consultation, and intraoperative pathology consultation that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Louisiana. 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. Gregg Maurice Barre, MD treated as a pathologist in Shreveport, LA during 2012 were lab tests, consultation, cytology and diagnostic procedures.

Volume of procedures performed by Dr. Gregg Maurice Barre, MD for Medicare patients.

aspiration	18
bone marrow tests	36
consultation	117
cytology	113
diagnostic procedures	36
lab tests	295

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gregg Maurice Barre, MD treated as a pathologist in Shreveport, LA during 2013 were lab tests, consultation, cytology and diagnostic procedures.

Volume of procedures performed by Dr. Gregg Maurice Barre, MD for Medicare patients.

aspiration	17
bone marrow tests	35
consultation	228
cytology	166
diagnostic procedures	35
lab tests	384

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregg Maurice Barre, MD.

**Gender**
Male	523
Female	522

**Ethnicity**
Non-Hispanic White	817
Black	197
Hispanic	17
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	426
From 75 to 84	322
85 and over	104
Less than 65	193

Conditions of Medicare patients treated by Dr. Gregg Maurice Barre, MD in 2013

Hypertension	75
High Cholesterol	62
Stroke	8
Ischemic Heart Disease	51
Depression	28
Chronic Kidney Disease	32
Asthma	9
Osteoperosis	7
Atrial Fibrilation	17
Heart Failure	26
Chronic Obstructive Pulmonary Disease	22
Diabetes	35
Dementia	11
Cancer	24

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gregg Maurice Barre, MD treated as a pathologist in Shreveport, LA during 2014 were lab tests, consultation, cytology and diagnostic procedures.

Volume of procedures performed by Dr. Gregg Maurice Barre, MD for Medicare patients.

aspiration	20
bone marrow tests	41
consultation	174
cytology	150
diagnostic procedures	41
lab tests	326

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregg Maurice Barre, MD.

**Gender**
Male	507
Female	544

**Ethnicity**
Non-Hispanic White	784
Black	232
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	461
From 75 to 84	307
85 and over	92
Less than 65	191

Conditions of Medicare patients treated by Dr. Gregg Maurice Barre, MD in 2014

Hypertension	75
High Cholesterol	63
Stroke	7
Ischemic Heart Disease	51
Depression	28
Chronic Kidney Disease	31
Asthma	8
Osteoperosis	8
Atrial Fibrilation	15
Heart Failure	24
Chronic Obstructive Pulmonary Disease	19
Diabetes	36
Dementia	11
Cancer	22

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gregg Maurice Barre, MD treated as a pathologist in Shreveport, LA during 2015 were lab tests, consultation, cytology and diagnostic procedures.

Volume of procedures performed by Dr. Gregg Maurice Barre, MD for Medicare patients.

aspiration	19
bone marrow tests	39
consultation	202
cytology	164
diagnostic procedures	39
lab tests	348

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregg Maurice Barre, MD.

**Gender**
Male	1166
Female	1216

**Ethnicity**
Non-Hispanic White	1882
Black	436
Hispanic	0
Asian	0
Other	32
Native American	0

**Age**
From 65 to 74	1002
From 75 to 84	712
85 and over	224
Less than 65	444

Conditions of Medicare patients treated by Dr. Gregg Maurice Barre, MD in 2015

Hypertension	75
High Cholesterol	66
Stroke	9
Ischemic Heart Disease	52
Depression	26
Chronic Kidney Disease	35
Asthma	14
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	26
Chronic Obstructive Pulmonary Disease	20
Diabetes	37
Dementia	12
Cancer	20

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gregg Maurice Barre, MD treated as a pathologist in Shreveport, LA during 2016 were lab tests, consultation, cytology and diagnostic procedures.

Volume of procedures performed by Dr. Gregg Maurice Barre, MD for Medicare patients.

aspiration	28
bone marrow tests	56
consultation	212
cytology	172
diagnostic procedures	56
lab tests	438

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregg Maurice Barre, MD.

**Gender**
Male	666
Female	693

**Ethnicity**
Non-Hispanic White	1070
Black	240
Hispanic	29
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	625
From 75 to 84	360
85 and over	131
Less than 65	243

Conditions of Medicare patients treated by Dr. Gregg Maurice Barre, MD in 2016

Hypertension	75
High Cholesterol	65
Stroke	6
Ischemic Heart Disease	49
Depression	28
Chronic Kidney Disease	37
Asthma	22
Osteoperosis	8
Atrial Fibrilation	15
Heart Failure	24
Chronic Obstructive Pulmonary Disease	20
Diabetes	35
Dementia	11
Cancer	19

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gregg Maurice Barre, MD treated as a pathologist in Shreveport, LA during 2017 were lab tests, consultation, cytology and diagnostic procedures.

Volume of procedures performed by Dr. Gregg Maurice Barre, MD for Medicare patients.

aspiration	17
bone marrow tests	34
consultation	175
cytology	145
diagnostic procedures	34
lab tests	405

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregg Maurice Barre, MD.

**Gender**
Male	591
Female	710

**Ethnicity**
Non-Hispanic White	1027
Black	228
Hispanic	24
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	612
From 75 to 84	354
85 and over	124
Less than 65	211

Conditions of Medicare patients treated by Dr. Gregg Maurice Barre, MD in 2017

Hypertension	75
High Cholesterol	62
Stroke	8
Ischemic Heart Disease	51
Depression	27
Chronic Kidney Disease	38
Asthma	6
Osteoperosis	10
Atrial Fibrilation	15
Heart Failure	25
Chronic Obstructive Pulmonary Disease	21
Diabetes	37
Dementia	13
Cancer	21

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gregg Maurice Barre, MD treated as a pathologist in Shreveport, LA during 2018 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Gregg Maurice Barre, MD for Medicare patients.

consultation	170
cytology	123
lab tests	412

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregg Maurice Barre, MD.

**Gender**
Male	634
Female	684

**Ethnicity**
Non-Hispanic White	1006
Black	262
Hispanic	0
Asian	0
Other	25
Native American	0

**Age**
From 65 to 74	629
From 75 to 84	350
85 and over	122
Less than 65	217

Conditions of Medicare patients treated by Dr. Gregg Maurice Barre, MD in 2018

Hypertension	75
High Cholesterol	70
Stroke	7
Ischemic Heart Disease	53
Depression	30
Chronic Kidney Disease	39
Asthma	6
Osteoperosis	9
Atrial Fibrilation	15
Heart Failure	27
Chronic Obstructive Pulmonary Disease	21
Diabetes	42
Dementia	12
Cancer	20

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gregg Maurice Barre, MD treated as a pathologist in Shreveport, LA during 2019 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Gregg Maurice Barre, MD for Medicare patients.

consultation	166
cytology	95
lab tests	571

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregg Maurice Barre, MD.

**Gender**
Male	611
Female	648

**Ethnicity**
Non-Hispanic White	981
Black	220
Hispanic	0
Asian	0
Other	29
Native American	0

**Age**
From 65 to 74	600
From 75 to 84	369
85 and over	116
Less than 65	174

Conditions of Medicare patients treated by Dr. Gregg Maurice Barre, MD in 2019

Hypertension	75
High Cholesterol	71
Stroke	9
Ischemic Heart Disease	51
Depression	30
Chronic Kidney Disease	39
Asthma	6
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	25
Chronic Obstructive Pulmonary Disease	18
Diabetes	39
Dementia	12
Cancer	23

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gregg Maurice Barre, MD treated as a pathologist in Shreveport, LA during 2020 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Gregg Maurice Barre, MD for Medicare patients.

consultation	125
cytology	63
lab tests	215

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregg Maurice Barre, MD.

**Gender**
Male	415
Female	457

**Ethnicity**
Non-Hispanic White	707
Black	131
Hispanic	0
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	429
From 75 to 84	230
85 and over	95
Less than 65	118

Conditions of Medicare patients treated by Dr. Gregg Maurice Barre, MD in 2020

Hypertension	75
High Cholesterol	71
Stroke	8
Ischemic Heart Disease	52
Depression	29
Chronic Kidney Disease	40
Asthma	5
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	25
Chronic Obstructive Pulmonary Disease	20
Diabetes	36
Dementia	10
Cancer	23

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gregg Maurice Barre, MD treated as a pathologist in Shreveport, LA during 2021 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Gregg Maurice Barre, MD for Medicare patients.

consultation	139
cytology	78
lab tests	416

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregg Maurice Barre, MD.

**Gender**
Male	418
Female	507

**Ethnicity**
Non-Hispanic White	741
Black	140
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	466
From 75 to 84	254
85 and over	96
Less than 65	109

Conditions of Medicare patients treated by Dr. Gregg Maurice Barre, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	53
Depression	32
Chronic Kidney Disease	39
Asthma	5
Osteoperosis	11
Atrial Fibrilation	16
Heart Failure	26
Chronic Obstructive Pulmonary Disease	16
Diabetes	36
Dementia	13
Cancer	25

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Gregg Maurice Barre, MD treated as a pathologist in Shreveport, LA during 2022 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Gregg Maurice Barre, MD for Medicare patients.

consultation	79
cytology	74
lab tests	265

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregg Maurice Barre, MD.

**Gender**
Male	354
Female	463

**Ethnicity**
Non-Hispanic White	675
Black	103
Hispanic	0
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	405
From 75 to 84	256
85 and over	78
Less than 65	78

Conditions of Medicare patients treated by Dr. Gregg Maurice Barre, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	42
Depression	27
Chronic Kidney Disease	20
Asthma	9
Osteoperosis	13
Atrial Fibrilation	21
Heart Failure	19
Chronic Obstructive Pulmonary Disease	21
Diabetes	36
Dementia	8
Cancer	29

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Gregg Maurice Barre, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gregg Maurice Barre, MD treated as a pathologist in Shreveport, LA were lab tests, consultation, cytology and bone marrow tests.

aspiration	19
bone marrow tests	40
consultation	162
cytology	122
diagnostic procedures	40
lab tests	370

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Gregg Maurice Barre, MD.

**Gender**
Female	585
Male	535

**Ethnicity**
Black / African American	199
Asian / Pacific Islander	0
Non-Hispanic White	880
Native American / Alaskan Native	0
Hispanic	10
Other	11

**Age**
85 and over	107
75 to 84	319
Less than 65	179
65 to 74	514

Average of Total of Conditions of Medicare patients treated by Dr. Gregg Maurice Barre, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Gregg Maurice Barre, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	68
High Cholesterol	61
Stroke	7
Ischemic Heart Disease	45
Depression	25
Chronic Kidney Disease	31
Asthma	8
Osteoporosis	8
Heart Failure	22
Chronic Obstructive Pulmonary Disease	18
Diabetes	33
Atrial Fibrillation	14
Dementia	10
Cancer	20

Education & Training

He has a state license in Louisiana.

Licensed In: Louisiana

Ratings & Reviews

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General Payments

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

**Payments by Company**
Merck Sharp & Dohme Corporation	$95 KEYTRUDA $95
Genentech USA, Inc.	$28 $28
Merck Sharp & Dohme LLC	$16 KEYTRUDA $16

**Types of Payments**
Food and Beverage	$139

Biography

Dr. Gregg Barre works as a pathology. Dr. Barre is a graduate of Louisiana State University School of Medicine in New Orleans.

Select Year:

Dr. Gregg Maurice Barre, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Gregg Maurice Barre, MD in 2023

By Affordability:

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. Gregg Maurice Barre, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregg Maurice Barre, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregg Maurice Barre, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregg Maurice Barre, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregg Maurice Barre, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregg Maurice Barre, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregg Maurice Barre, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregg Maurice Barre, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregg Maurice Barre, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregg Maurice Barre, MD 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. Gregg Maurice Barre, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

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