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Dr. Troy M. Duininck, MD

Accepting New Patients

(71 Ratings)

Specializes in: General Surgery

University of Minnesota Medical School

Professional interests include: cancer, thyroid nodules, acid reflux (GERD), and more.

523 N 3rd Street
Brainerd, MN 56401

(218) 829-2861

Dr. Troy M. Duininck, MD is a general surgeon in Brainerd, MN specializing in general surgery. He graduated from University of Minnesota Medical School. Dr. Troy M. Duininck, MD is affiliated with Essentia Health.

Office Locations

2024 S 6th Street
Brainerd, MN 56401

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Essentia Health

523 N 3rd Street
Brainerd, MN 56401

(218) 829-2861

(218) 828-3103

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Some issues Dr. Troy M. Duininck, MD can help you with:

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.

Lung Issues

Every cell in the body requires oxygen to function and produces carbon dioxide as a waste product. In order to keep the body's tissues constantly supplied with fresh oxygen and to keep waste from building up, the lungs pump air in and out, even while sleeping or unaware. Unfortunately, diseases and disorders affecting the lungs are some of the most common medical problems afflicting people around the world. Some of the most common lung problems include asthma, COPD, pneumonia, and lung cancer.

Asthma is a chronic disease where swollen, inflamed airways make it hard to breathe. It is often brought on by specific triggers. While asthma is a common condition, affecting millions of people, it can also be serious and even fatal in severe cases. Treatment involves avoiding triggers and using inhaled corticosteroid medications.

COPD, or Chronic Obstructive Pulmonary Disease, is the name given to two illnesses that both cause difficulty breathing: emphysema and chronic bronchitis. In emphysema, the air sacs of the lungs become damaged, while with bronchitis they become clogged with mucus. COPD is the fourth leading cause of death in the United States. It is almost always caused by breathing irritants into the lungs, such as smoking or heavy pollution.

Pneumonia is a lung infection that can be caused by bacteria, a virus, or fungi. Most healthy people recover from pneumonia in a week or two, but for some people pneumonia can be fatal. There are treatments available for pneumonia, but the best treatment is to prevent getting sick in the first place. People who are at risk should make sure they get a flu shot every year. There is also a vaccine available for the type of bacteria that causes pneumonia.

Lung cancer occurs when abnormal cells inside the lung grow into a tumor, destroying healthy tissue. Because it is so difficult to detect lung cancer in early stages when it has few symptoms, it is the deadliest form of cancer, responsible for the most cancer deaths both in the U.S. and worldwide. Most lung cancer is caused by exposure to tobacco smoke, but between 10-15% of cases are not linked to smoking.

Some problems with the lungs are minor and are not cause for concern. However if symptoms have lasted for a month or more, even if they are minor, it is worth checking with a healthcare professional. A cough, shortness of breath, or excess mucus production that lingers for weeks are all worth getting looked at.

In The News

“"During the month of March through April, we were probably running at 20% to 30% of our budgeted number of cases that we typically would do, so it was a drastic reduction," Dr. Troy Duininck said...”—"Essentia Health resumes revenue-generating elective surgeries", Pine and Lakes Echo Journal, June 2020

Noteworthy Medicare Patient Procedures Performed by Dr. Troy M. Duininck, MD in 2023

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

Top 5%

By Volume:

permanent transvenous pacemaker implantation

permanent transvenous pacemaker replacement

In 2023, Dr. Troy M. Duininck, MD performed more permanent transvenous pacemaker implantation, and permanent transvenous pacemaker replacement procedures for Medicare patients than 95% of providers in related specialties within Minnesota.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Troy M. Duininck, MD treated as a general surgeon in Brainerd, MN during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. Troy M. Duininck, MD for Medicare patients.

doctor visit	110
hospital care	52
inpatient care	52

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Troy M. Duininck, MD treated as a general surgeon in Brainerd, MN during 2013 were hospital care and inpatient care.

Volume of procedures performed by Dr. Troy M. Duininck, MD for Medicare patients.

doctor visit	93
hospital care	55
inpatient care	55

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Troy M. Duininck, MD.

**Gender**
Male	80
Female	85

**Age**
From 65 to 74	44
From 75 to 84	48
85 and over	31
Less than 65	42

Conditions of Medicare patients treated by Dr. Troy M. Duininck, MD in 2013

Hypertension	71
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	36
Depression	22
Chronic Kidney Disease	30
Asthma	9
Osteoperosis	9
Atrial Fibrilation	16
Heart Failure	24
Chronic Obstructive Pulmonary Disease	18
Diabetes	26
Dementia	0
Cancer	16

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Troy M. Duininck, MD treated as a general surgeon in Brainerd, MN during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. Troy M. Duininck, MD for Medicare patients.

doctor visit	106
hospital care	48
inpatient care	48

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Troy M. Duininck, MD.

**Gender**
Male	73
Female	92

**Age**
From 65 to 74	51
From 75 to 84	53
85 and over	30
Less than 65	31

Conditions of Medicare patients treated by Dr. Troy M. Duininck, MD in 2014

Hypertension	63
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	35
Depression	22
Chronic Kidney Disease	35
Asthma	7
Osteoperosis	0
Atrial Fibrilation	15
Heart Failure	15
Chronic Obstructive Pulmonary Disease	16
Diabetes	31
Dementia	8
Cancer	23

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Troy M. Duininck, MD treated as a general surgeon in Brainerd, MN during 2015 were hospital care and inpatient care.

Volume of procedures performed by Dr. Troy M. Duininck, MD for Medicare patients.

doctor visit	96
hospital care	40
inpatient care	40

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Troy M. Duininck, MD.

**Gender**
Male	142
Female	148

**Age**
From 65 to 74	94
From 75 to 84	88
85 and over	44
Less than 65	64

Conditions of Medicare patients treated by Dr. Troy M. Duininck, MD in 2015

Hypertension	72
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	31
Depression	31
Chronic Kidney Disease	28
Asthma	15
Osteoperosis	10
Atrial Fibrilation	15
Heart Failure	17
Chronic Obstructive Pulmonary Disease	17
Diabetes	28
Dementia	0
Cancer	21

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Troy M. Duininck, MD treated as a general surgeon in Brainerd, MN during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. Troy M. Duininck, MD for Medicare patients.

doctor visit	68
hospital care	54
inpatient care	54

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Troy M. Duininck, MD.

**Gender**
Male	57
Female	67

**Age**
From 65 to 74	36
From 75 to 84	38
85 and over	23
Less than 65	27

Conditions of Medicare patients treated by Dr. Troy M. Duininck, MD in 2016

Hypertension	69
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	33
Depression	25
Chronic Kidney Disease	40
Asthma	23
Osteoperosis	15
Atrial Fibrilation	18
Heart Failure	21
Chronic Obstructive Pulmonary Disease	22
Diabetes	29
Dementia	13
Cancer	19

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Troy M. Duininck, MD treated as a general surgeon in Brainerd, MN during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Troy M. Duininck, MD for Medicare patients.

doctor visit	52
hospital care	44
inpatient care	44

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Troy M. Duininck, MD.

**Gender**
Male	57
Female	66

**Age**
From 65 to 74	42
From 75 to 84	35
85 and over	19
Less than 65	27

Conditions of Medicare patients treated by Dr. Troy M. Duininck, MD in 2017

Hypertension	63
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	37
Depression	28
Chronic Kidney Disease	43
Asthma	11
Osteoperosis	13
Atrial Fibrilation	14
Heart Failure	16
Chronic Obstructive Pulmonary Disease	19
Diabetes	25
Dementia	0
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Troy M. Duininck, MD treated as a general surgeon in Brainerd, MN during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Troy M. Duininck, MD for Medicare patients.

doctor visit	58
hospital care	28
inpatient care	28

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Troy M. Duininck, MD.

**Gender**
Male	41
Female	59

**Ethnicity**
Non-Hispanic White	100
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	29
From 75 to 84	35
85 and over	14
Less than 65	22

Conditions of Medicare patients treated by Dr. Troy M. Duininck, MD in 2018

Hypertension	68
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	25
Depression	37
Chronic Kidney Disease	29
Asthma	0
Osteoperosis	0
Atrial Fibrilation	16
Heart Failure	17
Chronic Obstructive Pulmonary Disease	14
Diabetes	20
Dementia	16
Cancer	22

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Troy M. Duininck, MD treated as a general surgeon in Brainerd, MN during 2019 were hospital care and inpatient care.

Volume of procedures performed by Dr. Troy M. Duininck, MD for Medicare patients.

doctor visit	67
hospital care	25
inpatient care	25

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Troy M. Duininck, MD.

**Gender**
Male	69
Female	72

**Age**
From 65 to 74	50
From 75 to 84	48
85 and over	20
Less than 65	23

Conditions of Medicare patients treated by Dr. Troy M. Duininck, MD in 2019

Hypertension	75
High Cholesterol	64
Stroke	0
Ischemic Heart Disease	41
Depression	29
Chronic Kidney Disease	44
Asthma	0
Osteoperosis	15
Atrial Fibrilation	16
Heart Failure	24
Chronic Obstructive Pulmonary Disease	21
Diabetes	34
Dementia	0
Cancer	28

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Troy M. Duininck, MD treated as a general surgeon in Brainerd, MN during 2020 were hospital care, inpatient care, breast procedures and cancer surgery.

Volume of procedures performed by Dr. Troy M. Duininck, MD for Medicare patients.

breast procedures	12
cancer surgery	12
doctor visit	77
excision	12
hospital care	43
inpatient care	43

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Troy M. Duininck, MD.

**Gender**
Male	69
Female	74

**Age**
From 65 to 74	59
From 75 to 84	49
85 and over	18
Less than 65	17

Conditions of Medicare patients treated by Dr. Troy M. Duininck, MD in 2020

Hypertension	69
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	44
Depression	27
Chronic Kidney Disease	42
Asthma	8
Osteoperosis	13
Atrial Fibrilation	17
Heart Failure	21
Chronic Obstructive Pulmonary Disease	15
Diabetes	24
Dementia	8
Cancer	27

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Troy M. Duininck, MD treated as a general surgeon in Brainerd, MN during 2021 were hospital care, inpatient care, open surgery and diagnostic procedures.

Volume of procedures performed by Dr. Troy M. Duininck, MD for Medicare patients.

diagnostic procedures	11
doctor visit	76
excision	11
hospital care	28
inpatient care	28
lymph node procedures	11
open surgery	11

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Troy M. Duininck, MD.

**Gender**
Male	60
Female	78

**Age**
From 65 to 74	55
From 75 to 84	49
85 and over	18
Less than 65	16

Conditions of Medicare patients treated by Dr. Troy M. Duininck, MD in 2021

Hypertension	70
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	41
Depression	24
Chronic Kidney Disease	37
Asthma	0
Osteoperosis	13
Atrial Fibrilation	17
Heart Failure	22
Chronic Obstructive Pulmonary Disease	14
Diabetes	24
Dementia	9
Cancer	28

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Troy M. Duininck, MD treated as a general surgeon in Brainerd, MN during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Troy M. Duininck, MD for Medicare patients.

doctor visit	70
hospital care	50
inpatient care	50

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Troy M. Duininck, MD.

**Gender**
Male	56
Female	85

**Age**
From 65 to 74	48
From 75 to 84	47
85 and over	26
Less than 65	20

Conditions of Medicare patients treated by Dr. Troy M. Duininck, MD in 2022

Hypertension	72
High Cholesterol	66
Stroke	8
Ischemic Heart Disease	28
Depression	26
Chronic Kidney Disease	28
Asthma	0
Osteoperosis	14
Atrial Fibrilation	20
Heart Failure	18
Chronic Obstructive Pulmonary Disease	23
Diabetes	32
Dementia	0
Cancer	30

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Troy M. Duininck, MD treated as a general surgeon in Brainerd, MN during 2023 were hospital care, inpatient care, minimally invasive procedures and implant surgery.

Volume of procedures performed by Dr. Troy M. Duininck, MD for Medicare patients.

cardiac procedures	12
doctor visit	68
hospital care	41
implant surgery	12
inpatient care	41
minimally invasive procedures	12

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Troy M. Duininck, MD.

**Gender**
Male	52
Female	68

**Age**
From 65 to 74	41
From 75 to 84	48
85 and over	20
Less than 65	11

Conditions of Medicare patients treated by Dr. Troy M. Duininck, MD in 2023

Hypertension	74
High Cholesterol	73
Stroke	0
Ischemic Heart Disease	31
Depression	19
Chronic Kidney Disease	29
Asthma	0
Osteoperosis	16
Atrial Fibrilation	23
Heart Failure	23
Chronic Obstructive Pulmonary Disease	15
Diabetes	29
Dementia	10
Cancer	38

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Troy M. Duininck, MD for Medicare patients.

The highest averages for the top procedures that Dr. Troy M. Duininck, MD treated as a general surgeon in Brainerd, MN were hospital care, inpatient care, breast procedures and minimally invasive procedures.

breast procedures	12
cancer surgery	12
cardiac procedures	12
diagnostic procedures	11
doctor visit	78
excision	11
hospital care	42
implant surgery	12
inpatient care	42
lymph node procedures	11
minimally invasive procedures	12
open surgery	11

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Troy M. Duininck, MD.

**Gender**
Male	63
Female	74

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	8
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	44
85 and over	21
Less than 65	25
65 to 74	45

Average of Total of Conditions of Medicare patients treated by Dr. Troy M. Duininck, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Troy M. Duininck, MD treated were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	63
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	31
Depression	24
Chronic Kidney Disease	32
Asthma	6
Osteoporosis	9
Heart Failure	18
Chronic Obstructive Pulmonary Disease	16
Diabetes	25
Atrial Fibrillation	15
Cancer	22
Dementia	5

Education & Training

Dr. Troy M. Duininck, MD graduated from University of Minnesota Medical School. He completed residency at Mayo Clinic. He is certified by the American Board of Surgery and has a state license in Minnesota.

Medical School: University of Minnesota Medical School

Residency: Mayo Clinic

Board Certification: American Board of Surgery

Licensed In: Minnesota

Affiliations & Hospitals

Dr. Troy M. Duininck, MD is associated with these hospitals and organizations:

Essentia Health

Ratings & Reviews

Dr. Troy M. Duininck, MD has an exceptional overall rating with an average of 4.91 out of 5 stars based on 71 ratings. We collect ratings and reviews of Dr. Troy M. Duininck, MD from all over the web to help you find the right in Brainerd, MN.

4.91

Overall Rating

(71 Ratings)

Leave a Review

Reviews From Around The Web

Overall Rating: 5.0 2024-01-30

Patient verified via Press Ganey

Dr. Duininck explained my situation and options very thoroughly in language I could understand, and took the time to answer all of my questions.

Overall Rating: 5.0 2025-07-08

Patient verified via Press Ganey

Super nice & attentive! Was very knowledgeable about my issue & explained my diagnosis on my level of understanding

Overall Rating: 5.0 2024-08-28

Patient verified via Press Ganey

Dr Dunnick was very thorough glad to know he will be assisting me later

Overall Rating: 5.0 2025-08-14

Patient verified via Press Ganey

Thorough presentation and care provided.

Overall Rating: 5.0 2024-08-19

Patient verified via Press Ganey

Excellent care and information.

General Payments

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

**Payments by Company**
Intuitive Surgical, Inc.	$1,576 Da Vinci Surgical System $1,576
Stryker Corporation	$149 Surg - Neptune $149
Abbott Laboratories	$60 Pacemakers $60
Covidien Sales LLC	$33 CVI $33

**Types of Payments**
Education	$750
Food and Beverage	$698
Travel and Lodging	$369

Biography

Dr. Troy Duininck works as a general surgery. His areas of expertise include thyroid cancer, parathyroid disease, and appendicitis. He is rated highly by his patients. Before completing his residency at Mayo Clinic, Dr. Duininck attended medical school at the University of Minnesota Medical School. He is professionally affiliated with St. Joseph's Hospital and Essentia Health. According to Essentia Health, new patients are welcome to contact Dr. Duininck's office in Brainerd, MN.