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Dr. John Andrew Mengshol, MD

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Specializes in: Adult Gastroenterology

Dartmouth Medical School (2003)

Professional interests include: colonoscopy, inflammatory bowel disease, hepatobiliary disorders, and more.

1500 Park Central Drive 2nd Level
Highlands Ranch, CO 80129

1-844-945-2500

Dr. John Andrew Mengshol, MD is a gastroenterologist in Highlands Ranch, CO specializing in adult gastroenterology. He graduated from Dartmouth Medical School in 2003 and has 21 years of experience. Dr. John Andrew Mengshol, MD is affiliated with UCHealth, UNIVERSITY PHYSICIANS INCORPORATED and UCHealth Gastroenterology Clinic - Lone Tree.

Office Locations

Address:

1500 Park Central Drive 2nd Level
Highlands Ranch, CO 80129

Address:

382 S Arthur Avenue B146
Louisville, CO 80027

Address:

9548 Park Meadows Drive 3rd Floor
Lone Tree, CO 80124

Some issues Dr. John Andrew Mengshol, 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 Then the colonoscope will be withdrawn.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	29
doctor visit	47
gastrointestinal procedures	35
hospital care	32
inpatient care	32
minimally invasive procedures	35
removal of lesion (e.g. growth)	29

**Gender**
Male	48
Female	86

**Ethnicity**
Non-Hispanic White	108
Black	0
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	65
From 75 to 84	24
85 and over	15
Less than 65	30

Hypertension	59
High Cholesterol	40
Stroke	0
Ischemic Heart Disease	29
Depression	30
Chronic Kidney Disease	38
Asthma	24
Osteoperosis	0
Atrial Fibrilation	12
Heart Failure	26
Chronic Obstructive Pulmonary Disease	23
Diabetes	29
Dementia	10
Cancer	0

diagnostic procedures	78
doctor visit	96
gastrointestinal procedures	101
hospital care	42
inpatient care	42
minimally invasive procedures	101
preventive care	12
removal of lesion (e.g. growth)	78

**Gender**
Male	84
Female	117

**Ethnicity**
Non-Hispanic White	164
Black	0
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	101
From 75 to 84	36
85 and over	19
Less than 65	45

Hypertension	63
High Cholesterol	44
Stroke	6
Ischemic Heart Disease	32
Depression	30
Chronic Kidney Disease	44
Asthma	10
Osteoperosis	11
Atrial Fibrilation	14
Heart Failure	22
Chronic Obstructive Pulmonary Disease	19
Diabetes	33
Dementia	9
Cancer	16

diagnostic procedures	172
doctor visit	56
gastrointestinal procedures	254
hospital care	34
inpatient care	34
minimally invasive procedures	254
preventive care	64
removal of lesion (e.g. growth)	172

**Gender**
Male	135
Female	162

**Ethnicity**
Non-Hispanic White	232
Black	0
Hispanic	39
Asian	11
Other	0
Native American	0

**Age**
From 65 to 74	169
From 75 to 84	60
85 and over	18
Less than 65	50

Hypertension	51
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	29
Depression	28
Chronic Kidney Disease	31
Asthma	7
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	18
Chronic Obstructive Pulmonary Disease	16
Diabetes	24
Dementia	7
Cancer	10

diagnostic procedures	51
doctor visit	158
gastrointestinal procedures	46
minimally invasive procedures	46
removal of lesion (e.g. growth)	51

**Gender**
Male	91
Female	113

**Ethnicity**
Non-Hispanic White	177
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	106
From 75 to 84	55
85 and over	0
Less than 65	0

Hypertension	62
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	37
Depression	36
Chronic Kidney Disease	34
Asthma	10
Osteoperosis	12
Atrial Fibrilation	9
Heart Failure	15
Chronic Obstructive Pulmonary Disease	18
Diabetes	25
Dementia	9
Cancer	14

diagnostic procedures	173
doctor visit	182
gastrointestinal procedures	215
hospital care	85
hydrogen breath test	13
inpatient care	85
methane breath test	13
minimally invasive procedures	215
preventive care	43
removal of lesion (e.g. growth)	173

**Gender**
Male	161
Female	218

**Ethnicity**
Non-Hispanic White	335
Black	0
Hispanic	17
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	210
From 75 to 84	108
85 and over	15
Less than 65	46

Hypertension	60
High Cholesterol	42
Stroke	5
Ischemic Heart Disease	34
Depression	30
Chronic Kidney Disease	34
Asthma	14
Osteoperosis	13
Atrial Fibrilation	8
Heart Failure	14
Chronic Obstructive Pulmonary Disease	11
Diabetes	23
Dementia	10
Cancer	17

diagnostic procedures	398
doctor visit	405
gastrointestinal procedures	674
hospital care	232
inpatient care	232
minimally invasive procedures	674
preventive care	218
removal of lesion (e.g. growth)	398

Average Medicare Procedure Volume From 2016 - 2021

Volume of procedures performed by Dr. John Andrew Mengshol, MD for Medicare patients.

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

diagnostic procedures	150
doctor visit	159
gastrointestinal procedures	224
hospital care	85
hydrogen breath test	13
inpatient care	85
methane breath test	13
minimally invasive procedures	224
preventive care	85
removal of lesion (e.g. growth)	150

Average Medicare Patient Data From 2016 - 2021

Information about Medicare patients treated by Dr. John Andrew Mengshol, MD.

**Gender**
Male	51
Female	69

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	1
Non-Hispanic White	101
Native American / Alaskan Native	0
Hispanic	9
Other	1

**Age**
75 to 84	28
85 and over	6
Less than 65	17
65 to 74	65

Average of Total of Conditions of Medicare patients treated by Dr. John Andrew Mengshol, MD From 2016 - 2021

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

Hypertension	29
High Cholesterol	22
Stroke	1
Ischemic Heart Disease	16
Depression	15
Chronic Kidney Disease	18
Asthma	6
Osteoporosis	4
Heart Failure	9
Chronic Obstructive Pulmonary Disease	8
Diabetes	13
Atrial Fibrillation	5
Cancer	5
Dementia	4

Education & Training

Dr. John Andrew Mengshol, MD graduated from Dartmouth Medical School in 2003. He completed residency at University of Colorado Denver Affiliated Hospitals. He has a state license in Colorado.

Medical School: Dartmouth Medical School (2003)

Residency: University of Colorado Denver Affiliated Hospitals (2006)

Licensed In: Colorado

Affiliations & Hospitals

Dr. John Andrew Mengshol, MD is associated with these hospitals and organizations:

UCHealth

UNIVERSITY PHYSICIANS INCORPORATED

UCHealth Gastroenterology Clinic - Lone Tree

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General Payments

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

**Payments by Company**
AbbVie, Inc.	$586 Humira $297	Mavyret $87	Viekira $37	Creon $14	$153
Gilead Sciences Inc	$281 Epclusa $122	$158
Gilead Sciences, Inc.	$227 $227
Janssen Biotech, Inc.	$173 STELARA $109	REMICADE $34	SIMPONI $30
Echosens North America, Inc.	$150 Fibroscan $150
Other	$501 XIFAXAN $117	Cimzia $115	ENTYVIO $52	AMITIZA $25	ZEPATIER $24	Other $168

**Types of Payments**
Food and Beverage	$1,919

Biography

Dr. John Mengshol is a specialist in adult gastroenterology. Clinical interests for Dr. Mengshol include hepatobiliary disorders, celiac disease, and crohn's disease. He is professionally affiliated with UCHealth. His education and training includes medical school at Dartmouth Medical School and residency at a hospital affiliated with the University of Colorado Denver.