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Dr. Guillermo D. Marquez, MD

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Specializes in: General Surgery

Autonomous University of San Luis Potosi Faculty of Medicine

910 S Bryan Road Suite 202
Mission, TX 78572

(956) 682-6126

Dr. Guillermo D. Marquez, MD is a general surgeon in Mission, TX specializing in general surgery. He graduated from Autonomous University of San Luis Potosi Faculty of Medicine. Dr. Guillermo D. Marquez, MD is affiliated with Mission Regional Medical Center and RGV SURGICAL ASSOCIATES, PLLC.

Office Locations

Mission Regional Medical Center

910 S Bryan Road Suite 202
Mission, TX 78572

(956) 682-6126

(956) 580-0464

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Noteworthy Medicare Patient Procedures Performed by Dr. Guillermo D. Marquez, MD in 2023

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

Top 25%

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2012, Dr. Guillermo D. Marquez, MD had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Texas. 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. Guillermo D. Marquez, MD treated as a general surgeon in Mission, TX during 2012 were hospital care, inpatient care and catheterization.

Volume of procedures performed by Dr. Guillermo D. Marquez, MD for Medicare patients.

catheterization	11
doctor visit	350
hospital care	96
inpatient care	96

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Guillermo D. Marquez, MD treated as a general surgeon in Mission, TX during 2013 were hospital care, inpatient care and catheterization.

Volume of procedures performed by Dr. Guillermo D. Marquez, MD for Medicare patients.

catheterization	12
doctor visit	336
hospital care	93
inpatient care	93

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Guillermo D. Marquez, MD.

**Gender**
Male	112
Female	213

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	235
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	141
From 75 to 84	93
85 and over	25
Less than 65	66

Conditions of Medicare patients treated by Dr. Guillermo D. Marquez, MD in 2013

Hypertension	75
High Cholesterol	74
Stroke	8
Ischemic Heart Disease	60
Depression	27
Chronic Kidney Disease	33
Asthma	8
Osteoperosis	18
Atrial Fibrilation	8
Heart Failure	32
Chronic Obstructive Pulmonary Disease	21
Diabetes	51
Dementia	19
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Guillermo D. Marquez, MD treated as a general surgeon in Mission, TX during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. Guillermo D. Marquez, MD for Medicare patients.

doctor visit	329
hospital care	72
inpatient care	72

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Guillermo D. Marquez, MD.

**Gender**
Male	108
Female	198

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	227
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	143
From 75 to 84	86
85 and over	26
Less than 65	51

Conditions of Medicare patients treated by Dr. Guillermo D. Marquez, MD in 2014

Hypertension	75
High Cholesterol	72
Stroke	5
Ischemic Heart Disease	57
Depression	22
Chronic Kidney Disease	33
Asthma	4
Osteoperosis	16
Atrial Fibrilation	8
Heart Failure	24
Chronic Obstructive Pulmonary Disease	19
Diabetes	50
Dementia	14
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Guillermo D. Marquez, MD treated as a general surgeon in Mission, TX during 2015 were hospital care, inpatient care, anastomosis and vascular procedures.

Volume of procedures performed by Dr. Guillermo D. Marquez, MD for Medicare patients.

anastomosis	16
dialysis access procedures	16
doctor visit	347
hospital care	94
inpatient care	94
vascular procedures	16

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Guillermo D. Marquez, MD.

**Gender**
Male	228
Female	434

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	486
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	290
From 75 to 84	168
85 and over	52
Less than 65	152

Conditions of Medicare patients treated by Dr. Guillermo D. Marquez, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	58
Depression	26
Chronic Kidney Disease	43
Asthma	11
Osteoperosis	15
Atrial Fibrilation	9
Heart Failure	21
Chronic Obstructive Pulmonary Disease	19
Diabetes	55
Dementia	21
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Guillermo D. Marquez, MD treated as a general surgeon in Mission, TX during 2016 were hospital care, inpatient care, open surgery and abdominal surgery.

Volume of procedures performed by Dr. Guillermo D. Marquez, MD for Medicare patients.

abdominal surgery	12
doctor visit	312
gastrointestinal procedures	12
hospital care	83
inpatient care	83
open surgery	12

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Guillermo D. Marquez, MD.

**Gender**
Male	111
Female	193

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

**Age**
From 65 to 74	122
From 75 to 84	77
85 and over	37
Less than 65	68

Conditions of Medicare patients treated by Dr. Guillermo D. Marquez, MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	62
Depression	26
Chronic Kidney Disease	48
Asthma	21
Osteoperosis	13
Atrial Fibrilation	11
Heart Failure	28
Chronic Obstructive Pulmonary Disease	17
Diabetes	55
Dementia	25
Cancer	15

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Guillermo D. Marquez, MD treated as a general surgeon in Mission, TX during 2017 were hospital care, inpatient care, anastomosis and vascular procedures.

Volume of procedures performed by Dr. Guillermo D. Marquez, MD for Medicare patients.

anastomosis	11
dialysis access procedures	11
doctor visit	287
hospital care	123
inpatient care	123
vascular procedures	11

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Guillermo D. Marquez, MD.

**Gender**
Male	97
Female	192

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	212
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	119
From 75 to 84	83
85 and over	31
Less than 65	56

Conditions of Medicare patients treated by Dr. Guillermo D. Marquez, MD in 2017

Hypertension	75
High Cholesterol	73
Stroke	9
Ischemic Heart Disease	58
Depression	28
Chronic Kidney Disease	53
Asthma	9
Osteoperosis	17
Atrial Fibrilation	11
Heart Failure	31
Chronic Obstructive Pulmonary Disease	19
Diabetes	61
Dementia	27
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Guillermo D. Marquez, MD treated as a general surgeon in Mission, TX during 2018 were hospital care, inpatient care, anastomosis and vascular procedures.

Volume of procedures performed by Dr. Guillermo D. Marquez, MD for Medicare patients.

anastomosis	11
dialysis access procedures	11
doctor visit	216
hospital care	142
inpatient care	142
vascular procedures	11

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Guillermo D. Marquez, MD.

**Gender**
Male	85
Female	157

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	170
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	111
From 75 to 84	68
85 and over	20
Less than 65	43

Conditions of Medicare patients treated by Dr. Guillermo D. Marquez, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	55
Depression	33
Chronic Kidney Disease	61
Asthma	12
Osteoperosis	18
Atrial Fibrilation	13
Heart Failure	33
Chronic Obstructive Pulmonary Disease	27
Diabetes	63
Dementia	33
Cancer	18

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Guillermo D. Marquez, MD treated as a general surgeon in Mission, TX during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Guillermo D. Marquez, MD for Medicare patients.

doctor visit	210
hospital care	50
inpatient care	50

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Guillermo D. Marquez, MD.

**Gender**
Male	63
Female	138

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	124
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	81
From 75 to 84	63
85 and over	25
Less than 65	32

Conditions of Medicare patients treated by Dr. Guillermo D. Marquez, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	47
Depression	32
Chronic Kidney Disease	56
Asthma	12
Osteoperosis	18
Atrial Fibrilation	11
Heart Failure	24
Chronic Obstructive Pulmonary Disease	20
Diabetes	52
Dementia	26
Cancer	18

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Guillermo D. Marquez, MD treated as a general surgeon in Mission, TX during 2020 were hospital care and inpatient care.

Volume of procedures performed by Dr. Guillermo D. Marquez, MD for Medicare patients.

doctor visit	155
hospital care	24
inpatient care	24

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Guillermo D. Marquez, MD.

**Gender**
Male	55
Female	85

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	99
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	62
From 75 to 84	35
85 and over	17
Less than 65	26

Conditions of Medicare patients treated by Dr. Guillermo D. Marquez, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	51
Depression	34
Chronic Kidney Disease	65
Asthma	0
Osteoperosis	13
Atrial Fibrilation	9
Heart Failure	26
Chronic Obstructive Pulmonary Disease	18
Diabetes	58
Dementia	31
Cancer	19

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Guillermo D. Marquez, MD treated as a general surgeon in Mission, TX during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Guillermo D. Marquez, MD for Medicare patients.

doctor visit	135
hospital care	17
inpatient care	17

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Guillermo D. Marquez, MD.

**Gender**
Male	45
Female	84

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	83
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	57
From 75 to 84	34
85 and over	16
Less than 65	22

Conditions of Medicare patients treated by Dr. Guillermo D. Marquez, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	46
Depression	26
Chronic Kidney Disease	53
Asthma	0
Osteoperosis	15
Atrial Fibrilation	0
Heart Failure	24
Chronic Obstructive Pulmonary Disease	19
Diabetes	52
Dementia	25
Cancer	17

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Guillermo D. Marquez, MD treated as a general surgeon in Mission, TX during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Guillermo D. Marquez, MD for Medicare patients.

doctor visit	98
hospital care	23
inpatient care	23

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Guillermo D. Marquez, MD.

**Gender**
Male	38
Female	71

**Ethnicity**
Non-Hispanic White	0
Black	0
Hispanic	70
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	42
From 75 to 84	33
85 and over	18
Less than 65	16

Conditions of Medicare patients treated by Dr. Guillermo D. Marquez, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	41
Depression	28
Chronic Kidney Disease	46
Asthma	10
Osteoperosis	23
Atrial Fibrilation	17
Heart Failure	24
Chronic Obstructive Pulmonary Disease	27
Diabetes	50
Dementia	15
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Guillermo D. Marquez, MD for Medicare patients.

The highest averages for the top procedures that Dr. Guillermo D. Marquez, MD treated as a general surgeon in Mission, TX were hospital care, inpatient care, anastomosis and open surgery.

abdominal surgery	12
anastomosis	12
catheterization	11
dialysis access procedures	12
doctor visit	252
gastrointestinal procedures	12
hospital care	74
inpatient care	74
open surgery	12
vascular procedures	12

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Guillermo D. Marquez, MD.

**Gender**
Male	85
Female	160

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	0
Hispanic	175
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	67
85 and over	24
Less than 65	48
65 to 74	106

Average of Total of Conditions of Medicare patients treated by Dr. Guillermo D. Marquez, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	67
Stroke	5
Ischemic Heart Disease	48
Depression	25
Chronic Kidney Disease	44
Asthma	7
Osteoporosis	15
Heart Failure	24
Chronic Obstructive Pulmonary Disease	18
Diabetes	49
Atrial Fibrillation	8
Cancer	14
Dementia	21

Education & Training

Dr. Guillermo D. Marquez, MD graduated from Autonomous University of San Luis Potosi Faculty of Medicine. He has a state license in Texas.

Medical School: Autonomous University of San Luis Potosi Faculty of Medicine

Licensed In: Texas

Affiliations & Hospitals

Dr. Guillermo D. Marquez, MD is associated with these hospitals and organizations:

Mission Regional Medical Center

RGV SURGICAL ASSOCIATES, PLLC

Ratings & Reviews

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General Payments

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

**Payments by Company**
Allergan Inc.	$710 AlloDerm $710
Ethicon US, LLC	$543 Synthetics $437	Energy Harmonic $106
Intuitive Surgical, Inc.	$38 Da Vinci Surgical System $38
Davol Inc.	$15 BD MAX $15

**Types of Payments**
Travel and Lodging	$715
Food and Beverage	$591

Biography

Dr. Guillermo Marquez works as a general surgery. He attended medical school at Autonomous University of San Luis Potosi Faculty of Medicine. He is professionally affiliated with Mission Regional Medical Center.

Select Year:

Dr. Guillermo D. Marquez, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Guillermo D. Marquez, 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. Guillermo D. Marquez, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Guillermo D. Marquez, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Guillermo D. Marquez, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Guillermo D. Marquez, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Guillermo D. Marquez, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Guillermo D. Marquez, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Guillermo D. Marquez, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Guillermo D. Marquez, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Guillermo D. Marquez, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Guillermo D. Marquez, 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. Guillermo D. Marquez, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Other Providers in Mission, TX