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Dr. Allen Albert Alvarez, MD

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Specializes in: Bariatric Surgery and General Surgery

Autonomous University of Guadalajara Faculty of Medicine

Professional interests include: gastric bypass surgery, gastrectomy, endocrine diseases (hormone disorders)

9618 Huebner Road Suite 202
San Antonio, TX 78240

(210) 651-0303

Dr. Allen Albert Alvarez, MD is a bariatric surgeon in San Antonio, TX specializing in bariatric surgery and general surgery. He graduated from Autonomous University of Guadalajara Faculty of Medicine. Dr. Allen Albert Alvarez, MD is affiliated with Baptist Health System, Foundation Surgical Hospital of San Antonio, Baptist Hospital and TEXAS CENTER FOR MEDICAL AND SURGICAL WEIGHT LOSS PA.

Office Locations

Address:

8811 Village Drive Suite 300
San Antonio, TX 78217

Address:

9618 Huebner Road Suite 202
San Antonio, TX 78240

Some issues Dr. Allen Albert Alvarez, MD can help you with:

Gastric Bypass Surgery

Gastric bypass surgery is a procedure that promotes weight loss by reducing the stomach and altering how the digestive system absorbs and processes food. The procedure treats morbid obesity, where one's weight impairs day-to-day function or poses serious health risks. Gastric bypass surgery is used only after other weight loss treatments are unsuccessful.

Generally, gastric bypass surgery is performed on patients who have a BMI of 40 or greater, or a BMI of 35 or greater with a weight-related health condition such as type 2 diabetes. Bariatric surgeons frequently expect patients to first attempt natural weight loss for about six months to prove to the surgeon that the patient is capable of maintaining a post-surgery diet and exercise regimen.

For obese patients, gastric bypass surgery has many potential health and weight benefits. Gastric bypass surgery restricts the amount of food the stomach contains, as well as:

Reduces the calories the stomach absorbs
Alters gastrointestinal hormones, which help to heal obesity-induced metabolic syndrome
Suppresses appetite
Alleviates conditions caused or exacerbated by obesity, such as obstructive sleep apnea, heart disease, and type 2 diabetes
Contributes to mental health by improving self-esteem

During gastric bypass surgery, the stomach is stapled to reduce its size, and a small hole is created in the stomach and attached to the middle section of the small intestine. This direct connection between the stomach and the middle of the small intestine creates a channel for some food to bypass the normal route. By bypassing the upper small intestine and larger region of the stomach, food is not fully absorbed and patients do not retain the same amount of calories as before. This procedure is also sometimes referred to as "Roux-en-Y" gastric bypass surgery. Some bariatric surgeons may perform a "laparoscopic bypass" which uses a tiny camera (laparoscope) to guide the procedure.

Gastric bypass surgery is performed with general anesthesia and as preparation, a liquid diet is required for two weeks prior to undergoing the surgery. After the surgery, patients will spend about two days in the hospital and may miss work for two to three weeks. In the first month after the surgery, patients are only able to consume small portions of liquid or soft food. Even after reintroducing solid food, patients feel full quickly, sometimes after eating just two or three tablespoons. Some patients experience "dumping syndrome" (rapid processing of food into the small intestine), which is common during the recovery process. Gastric bypass surgery patients must also make permanent lifestyle changes. For example, gastric bypass patients are required to take vitamins for life after surgery and required to forever avoid certain foods, such as alcohol, sugar, and high fat food.

While the gastric bypass recovery process can be challenging, surgery results are usually swift: most gastric bypass surgery patients lose nearly half to two thirds of their starting weight within two years of surgery.

doctor visit	74

**Gender**
Male	36
Female	49

**Ethnicity**
Non-Hispanic White	25
Black	11
Hispanic	49
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	37
From 75 to 84	0
85 and over	0
Less than 65	28

Hypertension	75
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	41
Depression	28
Chronic Kidney Disease	34
Asthma	13
Osteoperosis	13
Atrial Fibrilation	0
Heart Failure	18
Chronic Obstructive Pulmonary Disease	19
Diabetes	45
Dementia	0
Cancer	13

bypass surgery	10
doctor visit	89
gastrointestinal procedures	38
minimally invasive procedures	38
weight management	40

**Gender**
Male	38
Female	67

**Ethnicity**
Non-Hispanic White	48
Black	0
Hispanic	46
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	68

Hypertension	75
High Cholesterol	70
Stroke	0
Ischemic Heart Disease	40
Depression	45
Chronic Kidney Disease	28
Asthma	23
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	16
Chronic Obstructive Pulmonary Disease	10
Diabetes	53
Dementia	0
Cancer	0

bypass surgery	22
diagnostic procedures	26
doctor visit	231
gastrointestinal procedures	94
minimally invasive procedures	94
removal of lesion (e.g. growth)	26
weight management	69

**Gender**
Male	114
Female	210

**Ethnicity**
Non-Hispanic White	172
Black	0
Hispanic	124
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	180

Hypertension	75
High Cholesterol	69
Stroke	0
Ischemic Heart Disease	41
Depression	51
Chronic Kidney Disease	25
Asthma	22
Osteoperosis	0
Atrial Fibrilation	7
Heart Failure	20
Chronic Obstructive Pulmonary Disease	12
Diabetes	56
Dementia	0
Cancer	0

diagnostic procedures	17
doctor visit	305
gastrointestinal procedures	73
minimally invasive procedures	73
removal of lesion (e.g. growth)	17
weight management	43

**Gender**
Male	62
Female	122

**Ethnicity**
Non-Hispanic White	98
Black	0
Hispanic	72
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	96

Hypertension	75
High Cholesterol	72
Stroke	0
Ischemic Heart Disease	46
Depression	49
Chronic Kidney Disease	40
Asthma	20
Osteoperosis	0
Atrial Fibrilation	7
Heart Failure	22
Chronic Obstructive Pulmonary Disease	11
Diabetes	57
Dementia	0
Cancer	0

bypass surgery	11
diagnostic procedures	20
doctor visit	355
gastrointestinal procedures	83
minimally invasive procedures	83
removal of lesion (e.g. growth)	20
weight management	46

**Gender**
Male	65
Female	151

**Ethnicity**
Non-Hispanic White	96
Black	0
Hispanic	97
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	92
From 75 to 84	21
85 and over	0
Less than 65	103

Hypertension	75
High Cholesterol	67
Stroke	0
Ischemic Heart Disease	43
Depression	42
Chronic Kidney Disease	49
Asthma	17
Osteoperosis	0
Atrial Fibrilation	8
Heart Failure	21
Chronic Obstructive Pulmonary Disease	15
Diabetes	59
Dementia	0
Cancer	0

doctor visit	238
gastrointestinal procedures	10
minimally invasive procedures	10
weight management	12

**Gender**
Male	30
Female	87

**Ethnicity**
Non-Hispanic White	58
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	53
From 75 to 84	11
85 and over	0
Less than 65	53

Hypertension	75
High Cholesterol	74
Stroke	0
Ischemic Heart Disease	39
Depression	37
Chronic Kidney Disease	50
Asthma	15
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	21
Chronic Obstructive Pulmonary Disease	12
Diabetes	60
Dementia	0
Cancer	0

doctor visit	170

**Gender**
Male	33
Female	71

**Ethnicity**
Non-Hispanic White	53
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	43
From 75 to 84	0
85 and over	0
Less than 65	45

Hypertension	75
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	39
Depression	38
Chronic Kidney Disease	53
Asthma	13
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	18
Chronic Obstructive Pulmonary Disease	11
Diabetes	54
Dementia	0
Cancer	11

doctor visit	145

**Gender**
Male	29
Female	57

**Ethnicity**
Non-Hispanic White	49
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	35
From 75 to 84	0
85 and over	0
Less than 65	36

Hypertension	75
High Cholesterol	64
Stroke	0
Ischemic Heart Disease	37
Depression	37
Chronic Kidney Disease	50
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	20
Chronic Obstructive Pulmonary Disease	0
Diabetes	51
Dementia	0
Cancer	0

doctor visit	205

Average Medicare Procedure Volume From 2013 - 2021

Volume of procedures performed by Dr. Allen Albert Alvarez, MD for Medicare patients.

The highest averages for the top procedures that Dr. Allen Albert Alvarez, MD treated as a bariatric surgeon in San Antonio, TX were minimally invasive procedures, gastrointestinal procedures, weight management and removal of lesion (e.g. growth).

bypass surgery	14
diagnostic procedures	21
doctor visit	205
gastrointestinal procedures	61
minimally invasive procedures	61
removal of lesion (e.g. growth)	21
weight management	42

Average Medicare Patient Data From 2013 - 2021

Information about Medicare patients treated by Dr. Allen Albert Alvarez, MD.

**Gender**
Male	40
Female	81

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	0
Non-Hispanic White	59
Native American / Alaskan Native	0
Hispanic	38
Other	0

**Age**
75 to 84	3
85 and over	0
Less than 65	60
65 to 74	26

Average of Total of Conditions of Medicare patients treated by Dr. Allen Albert Alvarez, MD From 2013 - 2021

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

Hypertension	60
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	32
Depression	32
Chronic Kidney Disease	32
Asthma	12
Osteoporosis	1
Heart Failure	15
Chronic Obstructive Pulmonary Disease	9
Diabetes	43
Atrial Fibrillation	2
Cancer	2
Dementia	0

Education & Training

Dr. Allen Albert Alvarez, MD graduated from Autonomous University of Guadalajara Faculty of Medicine. He completed residency at Saint Vincent Catholic Medical Centers. He has a state license in Texas.

Medical School: Autonomous University of Guadalajara Faculty of Medicine

Residency: Saint Vincent Catholic Medical Centers

Licensed In: Texas

Affiliations & Hospitals

Dr. Allen Albert Alvarez, MD is associated with these hospitals and organizations:

Baptist Health System

Foundation Surgical Hospital of San Antonio

Baptist Hospital

TEXAS CENTER FOR MEDICAL AND SURGICAL WEIGHT LOSS PA

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General Payments

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

**Payments by Company**
Intuitive Surgical, Inc.	$9,194 Da Vinci Surgical System $9,194
TEI Biosciences Inc	$813 SurgiMend $813
APOLLO ENDOSURGERY INC	$698 Overstitch and or LapBand $410	Orbera $289
Covidien Sales LLC	$689 Vessel Sealing $405	Endo Stapling $254	Soft Tissue Mechanical $12	ReliaTack $7	ProGrip $7	Other $5
Salix Pharmaceuticals, a division of Bausch Health US, LLC	$429 Trulance $248	XIFAXAN $181
Other	$2,865 Injectafer $326	GATTEX $201	TISSEEL $171	NASCOBAL $165	Contrave $149	Other $1,853

**Types of Payments**
Education	$7,500
Food and Beverage	$5,862
Consulting Fee	$700
Travel and Lodging	$626

Biography

Dr. Allen Alvarez is a specialist in general surgery and bariatric surgery. He works in San Antonio, TX. He has indicated that his clinical interests include gastrectomy, gastric bypass surgery, and endocrine diseases (hormone disorders). He is affiliated with Baptist Health System and Foundation Surgical Hospital of San Antonio.