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Dr. Mark Gerich, MD

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Specializes in: Adult Gastroenterology

McGill University Faculty of Medicine (2004)

Professional interests include: gastrointestinal problems (digestive disorders), inflammatory bowel disease, microscopic colitis, and more.

12605 E 16th Avenue
Aurora, CO 80045

(720) 848-2755

Dr. Mark Gerich, MD is a gastroenterologist in Aurora, CO specializing in adult gastroenterology. He graduated from McGill University Faculty of Medicine in 2004 and has 20 years of experience. Dr. Mark Gerich, MD is affiliated with UCHealth, University of Colorado Medicine, UCHealth Digestive Health Center - Anschutz Medical Campus and UNIVERSITY PHYSICIANS INCORPORATED.

Office Locations

Address:

12605 E 16th Avenue
Aurora, CO 80045

Address:

1635 Aurora Court 5th Floor
Aurora, CO 80045

Some issues Dr. Mark Gerich, MD can help you with:

Colonoscopy

Colonoscopy is the use of a special tool called a colonoscope (a thin, flexible tube with a camera on the end) to examine the inside of the colon and rectum. The tube is typically inserted anally, and it allows the physician to examine the large intestine from the inside. It may be done at any time to diagnose bowel problems, but routine colonoscopies are advised after the age of 50 to screen for colon cancer.

A colonoscopy may be performed to diagnose:

Intestinal ulcers
Polyps
Bowel cancer
An unidentified source of pain or bleeding in the intestine

Patients may be asked to drink only liquids in the days before a colonoscopy, or they may be given an enema to remove residual fecal matter. Before the exam, patients are given medication to help them relax, and then lay on their side on a table. The scope is inserted into the anus and gently moved all the way through the large intestine. Air may be pumped into the intestine to improve the view for the physician. Any polyps that are found will be removed. Then the colonoscope will be withdrawn. A colonoscopy is not usually painful, but patients may feel some bloating or have some cramps right afterward. If patients have polyps removed, they might experience a small amount of bleeding. Any side effects should go away within a few hours.

Gastrointestinal Problems (Digestive Disorders)

The gastrointestinal system, or GI tract, is the name given to a collection of organs that work together to digest food. These organs fit together in a long tube, running from the mouth to the anus, and include the esophagus, stomach, and intestines, among others. With so many parts working together, complicated by today's busy lifestyles and diets, digestive problems are common. As many as 1 in 3 Americans have a digestive or GI disorder. There are a huge variety of digestive problems, but the most common are IBS, constipation, GERD, hemorrhoids, and ulcers.

IBS, or irritable bowel syndrome, happens when the muscles surrounding the colon contract too easily or frequently. The result is abdominal pain, cramps, diarrhea or constipation, gas and bloating. IBS attacks can often be brought on by specific triggers, so a key part of treatment is learning which foods trigger IBS attacks and avoiding them. Treatment also includes exercise, avoiding stress, and medications if needed.

Constipation, or large, hard, or infrequent stools, happens to everyone at some point. It can be caused by a disruption in routine or food, or by eating a diet without many fresh fruits and vegetables. Although it is uncomfortable, constipation is common and usually not serious, but it can sometimes become chronic. Adding fiber to the diet, exercising, and taking medications may help.

GERD, or gastroesophageal reflux disease, is a severe form of chronic heartburn where stomach acid spills back up into the esophagus. Left untreated, the acid may even eat away at the esophagus and cause serious damage. Treatment includes changing the diet to avoid trigger foods, losing weight if needed, medications, or even surgery.

Hemorrhoids are blood vessels around the rectum that become irritated, swollen or torn while straining during a bowel movement. They are most often caused by constipation, but can also be caused by pregnancy, diarrhea, or simply a genetic predisposition towards hemorrhoids. Treatment involves first treating any constipation issues, then keeping the area clean and soothed until it has healed. If these measures are ineffective, surgery is sometimes used.

Peptic ulcers are sores or spots of inflammation in the lining of the stomach or close to the stomach in the small intestine. Usually this area is coated with a protective lining that shields the tissue from the strong stomach acid, but a break in the lining can let acid in, causing the sores. It used to be thought that stress caused ulcers, but now it is known that is not the case. Most often, they are caused by an infection by H. pylori bacteria, but ulcers can also be caused by alcohol abuse or overuse of aspirin, ibuprofen, naproxen, or other NSAIDS. The symptoms of an ulcer are pain, hunger, nausea, and fatigue.

Gastrointestinal problems, perhaps more than any other area, are markedly affected by lifestyle. Many disorders can be prevented or treated at least in part by eating a healthy diet high in fiber, exercising regularly, drinking enough water, and limiting alcohol intake. Still, the frequency of digestive disorders means that even the healthiest person can be affected by them. Anyone who notices blood in their stool, experiences abdominal pain, unexplained weight loss, or any significant change in bowel movements should see a doctor.

diagnostic procedures	107
gastrointestinal procedures	139
minimally invasive procedures	139
preventive care	24
removal of lesion (e.g. growth)	106

**Gender**
Male	87
Female	87

**Ethnicity**
Non-Hispanic White	111
Black	32
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	85
From 75 to 84	0
85 and over	0
Less than 65	44

Hypertension	60
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	25
Depression	30
Chronic Kidney Disease	32
Asthma	8
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	14
Chronic Obstructive Pulmonary Disease	16
Diabetes	24
Dementia	0
Cancer	11

diagnostic procedures	127
doctor visit	17
gastrointestinal procedures	151
hospital care	33
injections	15
inpatient care	33
minimally invasive procedures	151
removal of lesion (e.g. growth)	126

**Gender**
Male	99
Female	106

**Ethnicity**
Non-Hispanic White	135
Black	27
Hispanic	28
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	104
From 75 to 84	0
85 and over	0
Less than 65	55

Hypertension	60
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	29
Depression	35
Chronic Kidney Disease	37
Asthma	8
Osteoperosis	10
Atrial Fibrilation	9
Heart Failure	18
Chronic Obstructive Pulmonary Disease	17
Diabetes	29
Dementia	7
Cancer	12

diagnostic procedures	152
doctor visit	33
gastrointestinal procedures	176
hospital care	15
inpatient care	15
minimally invasive procedures	176
preventive care	8
removal of lesion (e.g. growth)	151

**Gender**
Male	214
Female	238

**Ethnicity**
Non-Hispanic White	328
Black	58
Hispanic	34
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	248
From 75 to 84	0
85 and over	0
Less than 65	112

Hypertension	54
High Cholesterol	34
Stroke	7
Ischemic Heart Disease	22
Depression	30
Chronic Kidney Disease	24
Asthma	12
Osteoperosis	13
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	14
Diabetes	23
Dementia	5
Cancer	13

diagnostic procedures	158
doctor visit	28
gastrointestinal procedures	208
hospital care	56
inpatient care	56
minimally invasive procedures	208
preventive care	16
removal of lesion (e.g. growth)	157

**Gender**
Male	144
Female	140

**Ethnicity**
Non-Hispanic White	214
Black	25
Hispanic	24
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	135
From 75 to 84	62
85 and over	16
Less than 65	71

Hypertension	63
High Cholesterol	32
Stroke	5
Ischemic Heart Disease	35
Depression	32
Chronic Kidney Disease	38
Asthma	24
Osteoperosis	11
Atrial Fibrilation	10
Heart Failure	19
Chronic Obstructive Pulmonary Disease	18
Diabetes	29
Dementia	11
Cancer	15

diagnostic procedures	172
doctor visit	53
gastrointestinal procedures	234
hospital care	23
inpatient care	23
minimally invasive procedures	234
preventive care	34
removal of lesion (e.g. growth)	183

**Gender**
Male	144
Female	156

**Ethnicity**
Non-Hispanic White	238
Black	22
Hispanic	15
Asian	12
Other	0
Native American	0

**Age**
From 65 to 74	171
From 75 to 84	63
85 and over	0
Less than 65	0

Hypertension	57
High Cholesterol	31
Stroke	0
Ischemic Heart Disease	29
Depression	27
Chronic Kidney Disease	32
Asthma	9
Osteoperosis	10
Atrial Fibrilation	8
Heart Failure	14
Chronic Obstructive Pulmonary Disease	11
Diabetes	22
Dementia	5
Cancer	14

diagnostic procedures	183
doctor visit	17
gastrointestinal procedures	237
hospital care	43
inpatient care	43
minimally invasive procedures	237
preventive care	28
removal of lesion (e.g. growth)	182

**Gender**
Male	143
Female	145

**Ethnicity**
Non-Hispanic White	203
Black	29
Hispanic	24
Asian	16
Other	0
Native American	0

**Age**
From 65 to 74	171
From 75 to 84	69
85 and over	0
Less than 65	0

Hypertension	63
High Cholesterol	36
Stroke	5
Ischemic Heart Disease	28
Depression	29
Chronic Kidney Disease	31
Asthma	6
Osteoperosis	10
Atrial Fibrilation	7
Heart Failure	13
Chronic Obstructive Pulmonary Disease	11
Diabetes	26
Dementia	10
Cancer	13

diagnostic procedures	149
doctor visit	32
gastrointestinal procedures	214
hospital care	33
inpatient care	33
minimally invasive procedures	214
preventive care	42
removal of lesion (e.g. growth)	148

**Gender**
Male	139
Female	132

**Ethnicity**
Non-Hispanic White	205
Black	23
Hispanic	19
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	165
From 75 to 84	61
85 and over	0
Less than 65	0

Hypertension	59
High Cholesterol	41
Stroke	5
Ischemic Heart Disease	28
Depression	25
Chronic Kidney Disease	36
Asthma	5
Osteoperosis	11
Atrial Fibrilation	10
Heart Failure	18
Chronic Obstructive Pulmonary Disease	14
Diabetes	20
Dementia	11
Cancer	21

diagnostic procedures	125
doctor visit	38
gastrointestinal procedures	153
minimally invasive procedures	153
preventive care	11
removal of lesion (e.g. growth)	124

**Gender**
Male	105
Female	120

**Ethnicity**
Non-Hispanic White	166
Black	22
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	122
From 75 to 84	56
85 and over	0
Less than 65	0

Hypertension	62
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	32
Depression	23
Chronic Kidney Disease	37
Asthma	6
Osteoperosis	14
Atrial Fibrilation	8
Heart Failure	15
Chronic Obstructive Pulmonary Disease	10
Diabetes	30
Dementia	10
Cancer	16

diagnostic procedures	269
doctor visit	70
gastrointestinal procedures	406
hospital care	44
inpatient care	44
minimally invasive procedures	406
preventive care	78
removal of lesion (e.g. growth)	268

Average Medicare Procedure Volume From 2013 - 2021

Volume of procedures performed by Dr. Mark Gerich, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mark Gerich, MD treated as a gastroenterologist in Aurora, CO were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

diagnostic procedures	160
doctor visit	37
gastrointestinal procedures	216
hospital care	35
injections	15
inpatient care	35
minimally invasive procedures	216
preventive care	31
removal of lesion (e.g. growth)	161

Average Medicare Patient Data From 2013 - 2021

Information about Medicare patients treated by Dr. Mark Gerich, MD.

**Gender**
Male	107
Female	112

**Ethnicity**
Black / African American	23
Asian / Pacific Islander	2
Non-Hispanic White	160
Native American / Alaskan Native	0
Hispanic	17
Other	0

**Age**
75 to 84	31
85 and over	1
Less than 65	28
65 to 74	120

Average of Total of Conditions of Medicare patients treated by Dr. Mark Gerich, MD From 2013 - 2021

The highest averages of the most common conditions of Medicare patients that Dr. Mark Gerich, MD treated were hypertension, high cholesterol, chronic kidney disease and depression.

Hypertension	47
High Cholesterol	31
Stroke	2
Ischemic Heart Disease	22
Depression	23
Chronic Kidney Disease	26
Asthma	7
Osteoporosis	8
Heart Failure	12
Chronic Obstructive Pulmonary Disease	11
Diabetes	20
Atrial Fibrillation	7
Cancer	11
Dementia	5

Education & Training

Dr. Mark Gerich, MD graduated from McGill University Faculty of Medicine in 2004. He completed residency at University of California, Davis Affiliated Hospitals. He has a state license in Colorado.

Medical School: McGill University Faculty of Medicine (2004)

Residency: University of California, Davis Affiliated Hospitals (2007)

Licensed In: Colorado

Affiliations & Hospitals

Dr. Mark Gerich, MD is associated with these hospitals and organizations:

UCHealth

University of Colorado Medicine

UCHealth Digestive Health Center - Anschutz Medical Campus

UNIVERSITY PHYSICIANS INCORPORATED

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General Payments

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

**Payments by Company**
Pfizer Inc.	$5,660 XELJANZ $5,634	$26
AbbVie, Inc.	$4,531 Lupron $3,915	Humira $616
Salix Pharmaceuticals, a division of Bausch Health US, LLC	$3,000 Relistor $3,000
Gilead Sciences, Inc.	$2,648 $2,648
E.R. Squibb & Sons, L.L.C.	$1,500 ORENCIA $1,500
Other	$1,650 STELARA $1,112	Cimzia $202	ENTYVIO $109	OFIRMEV $103	ERCP V-System $15	Other $109

**Types of Payments**
Consulting Fee	$12,945
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$3,000
Food and Beverage	$1,518
Travel and Lodging	$1,503
Education	$24

Research Payments

Dr. Mark Gerich, MD has received 149 research payments totaling $505,058.

Biography

Dr. Mark Gerich is an adult gastroenterology specialist. Dr. Gerich attended medical school at McGill University Faculty of Medicine. For his residency, Dr. Gerich trained at a hospital affiliated with the University of California, Davis. His areas of expertise consist of crohn's disease, internal medicine, and microscopic colitis. Dr. Gerich's professional affiliations include UCHealth and the University of Colorado Medicine.