In 2023, Dr. Gary Michael Reiss, MD had a list price for endoscopic ultrasound with fine needle aspiration, fine needle aspiration (FNA), image-guided biopsy, and image-guided fine needle aspiration that was lower than the list prices billed to Medicare by 95% 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.

Top 25%

By Volume:

EGD with biopsy

EGD with lesion removal

esophagogastroduodenoscopy

inpatient hospital care

By Affordability:

EGD with endoscopic ultrasound

endoscopic ultrasound

upper endoscopic ultrasound

In 2012, among providers in related specialties within Louisiana, Dr. Gary Michael Reiss, MD performed more EGD with biopsy, EGD with lesion removal, esophagogastroduodenoscopy (EGD), and inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 75% of them and he also had a list price for EGD with endoscopic ultrasound, endoscopic ultrasound (EUS), and upper endoscopic ultrasound that was lower than the list prices billed to Medicare by 75% 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.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Gary Michael Reiss, MD treated as a gastroenterologist in Marrero, LA during 2012 were inpatient care, hospital care, gastrointestinal procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Gary Michael Reiss, MD for Medicare patients.

anastomosis	31
aspiration	87
catheterization	31
diagnostic procedures	346
doctor visit	167
gastrointestinal procedures	488
hospital care	686
image guided procedures	87
inpatient care	686
minimally invasive procedures	488
minor procedures	87
preventive care	13
removal of lesion (e.g. growth)	331
stent placement (stenting)	16
ultrasound (sonogram)	124

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gary Michael Reiss, MD treated as a gastroenterologist in Marrero, LA during 2013 were gastrointestinal procedures, minimally invasive procedures, inpatient care and hospital care.

Volume of procedures performed by Dr. Gary Michael Reiss, MD for Medicare patients.

abdominal imaging	30
anastomosis	16
aspiration	92
catheterization	16
diagnostic procedures	367
doctor visit	208
gastrointestinal procedures	499
hospital care	423
image guided procedures	92
inpatient care	423
minimally invasive procedures	481
minor procedures	92
removal of lesion (e.g. growth)	333
stent placement (stenting)	16
ultrasound (sonogram)	167

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Michael Reiss, MD.

**Gender**
Male	201
Female	286

**Ethnicity**
Non-Hispanic White	270
Black	176
Hispanic	24
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	175
From 75 to 84	120
85 and over	48
Less than 65	144

Conditions of Medicare patients treated by Dr. Gary Michael Reiss, MD in 2013

Hypertension	75
High Cholesterol	61
Stroke	13
Ischemic Heart Disease	51
Depression	32
Chronic Kidney Disease	48
Asthma	11
Osteoperosis	7
Atrial Fibrilation	16
Heart Failure	38
Chronic Obstructive Pulmonary Disease	22
Diabetes	53
Dementia	19
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gary Michael Reiss, MD treated as a gastroenterologist in Marrero, LA during 2014 were gastrointestinal procedures, minimally invasive procedures, diagnostic procedures and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Gary Michael Reiss, MD for Medicare patients.

abdominal imaging	24
ablation	13
aspiration	84
diagnostic procedures	425
doctor visit	185
gastrointestinal procedures	539
hospital care	231
image guided procedures	84
inpatient care	231
minimally invasive procedures	539
minor procedures	84
removal of lesion (e.g. growth)	412
stent placement (stenting)	13
ultrasound (sonogram)	196

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Michael Reiss, MD.

**Gender**
Male	216
Female	283

**Ethnicity**
Non-Hispanic White	268
Black	186
Hispanic	25
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	205
From 75 to 84	113
85 and over	45
Less than 65	136

Conditions of Medicare patients treated by Dr. Gary Michael Reiss, MD in 2014

Hypertension	75
High Cholesterol	66
Stroke	12
Ischemic Heart Disease	45
Depression	28
Chronic Kidney Disease	45
Asthma	12
Osteoperosis	5
Atrial Fibrilation	15
Heart Failure	32
Chronic Obstructive Pulmonary Disease	20
Diabetes	50
Dementia	17
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gary Michael Reiss, MD treated as a gastroenterologist in Marrero, LA during 2015 were gastrointestinal procedures, minimally invasive procedures, diagnostic procedures and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Gary Michael Reiss, MD for Medicare patients.

abdominal imaging	28
ablation	12
aspiration	35
diagnostic procedures	365
doctor visit	251
gastrointestinal procedures	458
hospital care	160
image guided procedures	35
inpatient care	160
minimally invasive procedures	458
minor procedures	35
removal of lesion (e.g. growth)	333
stent placement (stenting)	12
ultrasound (sonogram)	132

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Michael Reiss, MD.

**Gender**
Male	364
Female	476

**Ethnicity**
Non-Hispanic White	476
Black	294
Hispanic	30
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	320
From 75 to 84	182
85 and over	76
Less than 65	262

Conditions of Medicare patients treated by Dr. Gary Michael Reiss, MD in 2015

Hypertension	75
High Cholesterol	63
Stroke	13
Ischemic Heart Disease	41
Depression	28
Chronic Kidney Disease	44
Asthma	17
Osteoperosis	7
Atrial Fibrilation	14
Heart Failure	31
Chronic Obstructive Pulmonary Disease	22
Diabetes	45
Dementia	12
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gary Michael Reiss, MD treated as a gastroenterologist in Marrero, LA during 2016 were gastrointestinal procedures, minimally invasive procedures, diagnostic procedures and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Gary Michael Reiss, MD for Medicare patients.

abdominal imaging	13
ablation	12
aspiration	53
diagnostic procedures	469
doctor visit	206
gastrointestinal procedures	590
hospital care	221
image guided procedures	53
inpatient care	221
lab tests	25
minimally invasive procedures	590
minor procedures	53
removal of lesion (e.g. growth)	451
stent placement (stenting)	12
ultrasound (sonogram)	151

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Michael Reiss, MD.

**Gender**
Male	198
Female	247

**Ethnicity**
Non-Hispanic White	244
Black	164
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	198
From 75 to 84	92
85 and over	40
Less than 65	115

Conditions of Medicare patients treated by Dr. Gary Michael Reiss, MD in 2016

Hypertension	75
High Cholesterol	62
Stroke	11
Ischemic Heart Disease	46
Depression	29
Chronic Kidney Disease	53
Asthma	27
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	31
Chronic Obstructive Pulmonary Disease	24
Diabetes	47
Dementia	20
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gary Michael Reiss, MD treated as a gastroenterologist in Marrero, LA during 2017 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gary Michael Reiss, MD for Medicare patients.

aspiration	37
diagnostic procedures	316
doctor visit	193
gastrointestinal procedures	398
hospital care	178
image guided procedures	37
inpatient care	178
lab tests	14
minimally invasive procedures	398
minor procedures	37
removal of lesion (e.g. growth)	316
ultrasound (sonogram)	119

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Michael Reiss, MD.

**Gender**
Male	173
Female	240

**Ethnicity**
Non-Hispanic White	242
Black	142
Hispanic	18
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	178
From 75 to 84	100
85 and over	31
Less than 65	104

Conditions of Medicare patients treated by Dr. Gary Michael Reiss, MD in 2017

Hypertension	75
High Cholesterol	60
Stroke	10
Ischemic Heart Disease	41
Depression	28
Chronic Kidney Disease	52
Asthma	8
Osteoperosis	5
Atrial Fibrilation	14
Heart Failure	29
Chronic Obstructive Pulmonary Disease	21
Diabetes	47
Dementia	15
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gary Michael Reiss, MD treated as a gastroenterologist in Marrero, LA during 2018 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gary Michael Reiss, MD for Medicare patients.

aspiration	18
diagnostic procedures	209
doctor visit	201
gastrointestinal procedures	236
hospital care	163
image guided procedures	18
inpatient care	163
lab tests	12
minimally invasive procedures	236
minor procedures	18
removal of lesion (e.g. growth)	209
ultrasound (sonogram)	45

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Michael Reiss, MD.

**Gender**
Male	171
Female	198

**Ethnicity**
Non-Hispanic White	217
Black	126
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	170
From 75 to 84	89
85 and over	28
Less than 65	82

Conditions of Medicare patients treated by Dr. Gary Michael Reiss, MD in 2018

Hypertension	75
High Cholesterol	67
Stroke	11
Ischemic Heart Disease	45
Depression	26
Chronic Kidney Disease	56
Asthma	9
Osteoperosis	8
Atrial Fibrilation	17
Heart Failure	32
Chronic Obstructive Pulmonary Disease	21
Diabetes	43
Dementia	14
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gary Michael Reiss, MD treated as a gastroenterologist in Marrero, LA during 2019 were minimally invasive procedures, gastrointestinal procedures, diagnostic procedures and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Gary Michael Reiss, MD for Medicare patients.

abdominal imaging	11
diagnostic procedures	159
doctor visit	191
gastrointestinal procedures	181
hospital care	132
inpatient care	132
minimally invasive procedures	181
removal of lesion (e.g. growth)	148
stent placement (stenting)	11
ultrasound (sonogram)	11

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Michael Reiss, MD.

**Gender**
Male	136
Female	197

**Ethnicity**
Non-Hispanic White	204
Black	101
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	144
From 75 to 84	82
85 and over	33
Less than 65	74

Conditions of Medicare patients treated by Dr. Gary Michael Reiss, MD in 2019

Hypertension	75
High Cholesterol	66
Stroke	9
Ischemic Heart Disease	44
Depression	32
Chronic Kidney Disease	54
Asthma	8
Osteoperosis	7
Atrial Fibrilation	18
Heart Failure	33
Chronic Obstructive Pulmonary Disease	20
Diabetes	45
Dementia	14
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gary Michael Reiss, MD treated as a gastroenterologist in Marrero, LA during 2020 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gary Michael Reiss, MD for Medicare patients.

aspiration	20
diagnostic procedures	179
doctor visit	132
gastrointestinal procedures	227
hospital care	150
image guided procedures	20
inpatient care	150
minimally invasive procedures	227
minor procedures	20
removal of lesion (e.g. growth)	179
ultrasound (sonogram)	68

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Michael Reiss, MD.

**Gender**
Male	136
Female	184

**Ethnicity**
Non-Hispanic White	193
Black	103
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	162
From 75 to 84	74
85 and over	24
Less than 65	60

Conditions of Medicare patients treated by Dr. Gary Michael Reiss, MD in 2020

Hypertension	75
High Cholesterol	65
Stroke	11
Ischemic Heart Disease	45
Depression	28
Chronic Kidney Disease	57
Asthma	10
Osteoperosis	8
Atrial Fibrilation	16
Heart Failure	34
Chronic Obstructive Pulmonary Disease	21
Diabetes	42
Dementia	21
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gary Michael Reiss, MD treated as a gastroenterologist in Marrero, LA during 2021 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gary Michael Reiss, MD for Medicare patients.

aspiration	20
diagnostic procedures	171
doctor visit	131
gastrointestinal procedures	210
hospital care	108
image guided procedures	20
inpatient care	108
minimally invasive procedures	210
minor procedures	20
removal of lesion (e.g. growth)	171
ultrasound (sonogram)	59

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Michael Reiss, MD.

**Gender**
Male	112
Female	153

**Ethnicity**
Non-Hispanic White	146
Black	97
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	113
From 75 to 84	81
85 and over	18
Less than 65	53

Conditions of Medicare patients treated by Dr. Gary Michael Reiss, MD in 2021

Hypertension	75
High Cholesterol	69
Stroke	13
Ischemic Heart Disease	41
Depression	30
Chronic Kidney Disease	53
Asthma	9
Osteoperosis	8
Atrial Fibrilation	15
Heart Failure	30
Chronic Obstructive Pulmonary Disease	20
Diabetes	47
Dementia	21
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Gary Michael Reiss, MD treated as a gastroenterologist in Marrero, LA during 2022 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gary Michael Reiss, MD for Medicare patients.

aspiration	20
diagnostic procedures	165
doctor visit	163
esophageal dilation	12
gastrointestinal procedures	202
hospital care	74
image guided procedures	20
inpatient care	74
minimally invasive procedures	202
minor procedures	20
removal of lesion (e.g. growth)	165
ultrasound (sonogram)	57

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Michael Reiss, MD.

**Gender**
Male	117
Female	132

**Ethnicity**
Non-Hispanic White	152
Black	73
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	128
From 75 to 84	66
85 and over	16
Less than 65	39

Conditions of Medicare patients treated by Dr. Gary Michael Reiss, MD in 2022

Hypertension	75
High Cholesterol	73
Stroke	14
Ischemic Heart Disease	28
Depression	21
Chronic Kidney Disease	33
Asthma	8
Osteoperosis	13
Atrial Fibrilation	20
Heart Failure	20
Chronic Obstructive Pulmonary Disease	18
Diabetes	38
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Gary Michael Reiss, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gary Michael Reiss, MD treated as a gastroenterologist in Marrero, LA were gastrointestinal procedures, minimally invasive procedures, diagnostic procedures and removal of lesion (e.g. growth).

abdominal imaging	21
ablation	12
anastomosis	23
aspiration	46
catheterization	23
diagnostic procedures	288
doctor visit	184
esophageal dilation	12
gastrointestinal procedures	366
hospital care	229
image guided procedures	46
inpatient care	229
lab tests	17
minimally invasive procedures	364
minor procedures	46
preventive care	13
removal of lesion (e.g. growth)	277
stent placement (stenting)	13
ultrasound (sonogram)	102

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Gary Michael Reiss, MD.

**Gender**
Female	217
Male	165

**Ethnicity**
Black / African American	132
Asian / Pacific Islander	0
Non-Hispanic White	219
Native American / Alaskan Native	0
Hispanic	13
Other	0

**Age**
85 and over	32
75 to 84	90
Less than 65	97
65 to 74	163

Average of Total of Conditions of Medicare patients treated by Dr. Gary Michael Reiss, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Gary Michael Reiss, MD treated were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	68
High Cholesterol	59
Stroke	10
Ischemic Heart Disease	38
Depression	25
Chronic Kidney Disease	45
Asthma	10
Osteoporosis	7
Heart Failure	28
Chronic Obstructive Pulmonary Disease	19
Diabetes	41
Atrial Fibrillation	14
Dementia	14
Cancer	12

Education & Training

He has a state license in Louisiana.

Licensed In: Louisiana

Ratings & Reviews

Dr. Gary Michael Reiss, MD does not have any reviews yet, be the first to leave a review of Dr. Gary Michael Reiss, MD here: Leave a Review

(No ratings)

Leave a Review

General Payments

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

**Payments by Company**
Covidien LP	$269,001 Barrx $82,583	Beacon $37,080	GI Solutions $21,676	PillCam $11,838	Covidien $8,345	Other $107,480
Mederi Therapeutics Inc	$113,630 Stretta $113,630
Boston Scientific Corporation	$112,653 RESOLUTION CLIP $22,020	Biliary Devices $19,448	SPYGLASS $17,144	SPYGLASS DIRECT VISUALIZATION SYSTEM $13,435	DREAMWIRE $7,176	Other $33,430
GI Supply, Inc.	$16,923 EverLift Submucosal Lifting Agent $10,009	$6,914
Medtronic, Inc.	$8,685 GI GENIUS $451	Barrx $264	Emprint $121	Bravo $25	ENDOFLIP $24	Other $7,800
Other	$21,367 ELEVIEW $6,617	ALL PRODUCTS $1,750	Cellvizio $1,263	Gastroenterology $932	VIATORR TIPS Endoprosthesis $750	Other $10,054

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$328,797
Consulting Fee	$141,241
Travel and Lodging	$25,073
Honoraria	$22,947
Food and Beverage	$17,987
Other	$6,215

Research Payments

Dr. Gary Michael Reiss, MD has received 1610 research payments totaling $6,336,664.

Ownership and Interest Payments

This table describes ownership payments received by Dr. Gary Michael Reiss, MD.

GastroGPO, LLC	2021	$544.45	Physician Covered Recipient	Common Stock
GastroGPO, LLC	2022	$519.09	Physician Covered Recipient	Common Stock

Biography

Dr. Gary Reiss' medical specialty is adult gastroenterology. Dr. Reiss studied medicine at Louisiana State University School of Medicine in New Orleans.