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Dr. Knut Roalsvig, MD

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Specializes in: Adult Gastroenterology

6 Tsienneto Road Suite 301
Derry, NH 03038

(603) 432-8802

Dr. Knut Roalsvig, MD is a gastroenterologist in Derry, NH specializing in adult gastroenterology.

Office Locations

6 Tsienneto Road Suite 301
Derry, NH 03038

(603) 432-8802

(603) 432-7430

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Knut Roalsvig, MD treated as a gastroenterologist in Derry, NH during 2012 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Knut Roalsvig, MD for Medicare patients.

balloon dilation	54
diagnostic procedures	336
doctor visit	1354
esophageal dilation	54
gastrointestinal procedures	515
hospital care	58
injections	32
inpatient care	58
minimally invasive procedures	534
preventive care	93
removal of lesion (e.g. growth)	336

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Knut Roalsvig, MD treated as a gastroenterologist in Derry, NH during 2013 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Knut Roalsvig, MD for Medicare patients.

balloon dilation	35
diagnostic procedures	315
doctor visit	1318
esophageal dilation	35
gastrointestinal procedures	502
hospital care	70
injections	43
inpatient care	70
minimally invasive procedures	521
preventive care	97
removal of lesion (e.g. growth)	315

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Knut Roalsvig, MD.

**Gender**
Male	317
Female	460

**Ethnicity**
Non-Hispanic White	754
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	427
From 75 to 84	171
85 and over	43
Less than 65	136

Conditions of Medicare patients treated by Dr. Knut Roalsvig, MD in 2013

Hypertension	65
High Cholesterol	63
Stroke	6
Ischemic Heart Disease	27
Depression	24
Chronic Kidney Disease	19
Asthma	11
Osteoperosis	7
Atrial Fibrilation	10
Heart Failure	14
Chronic Obstructive Pulmonary Disease	18
Diabetes	28
Dementia	7
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Knut Roalsvig, MD treated as a gastroenterologist in Derry, NH during 2014 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Knut Roalsvig, MD for Medicare patients.

balloon dilation	40
diagnostic procedures	277
doctor visit	1079
esophageal dilation	40
gastrointestinal procedures	483
hospital care	86
injections	33
inpatient care	86
minimally invasive procedures	494
preventive care	119
removal of lesion (e.g. growth)	277

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Knut Roalsvig, MD.

**Gender**
Male	296
Female	413

**Ethnicity**
Non-Hispanic White	679
Black	0
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	367
From 75 to 84	177
85 and over	40
Less than 65	125

Conditions of Medicare patients treated by Dr. Knut Roalsvig, MD in 2014

Hypertension	65
High Cholesterol	59
Stroke	5
Ischemic Heart Disease	26
Depression	26
Chronic Kidney Disease	23
Asthma	11
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	15
Chronic Obstructive Pulmonary Disease	19
Diabetes	28
Dementia	6
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Knut Roalsvig, MD treated as a gastroenterologist in Derry, NH during 2015 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Knut Roalsvig, MD for Medicare patients.

balloon dilation	49
diagnostic procedures	299
doctor visit	948
esophageal dilation	49
gastrointestinal procedures	546
hospital care	86
injections	45
inpatient care	86
minimally invasive procedures	557
preventive care	140
removal of lesion (e.g. growth)	299

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Knut Roalsvig, MD.

**Gender**
Male	612
Female	830

**Ethnicity**
Non-Hispanic White	1384
Black	0
Hispanic	0
Asian	0
Other	28
Native American	0

**Age**
From 65 to 74	790
From 75 to 84	372
85 and over	94
Less than 65	186

Conditions of Medicare patients treated by Dr. Knut Roalsvig, MD in 2015

Hypertension	66
High Cholesterol	56
Stroke	5
Ischemic Heart Disease	24
Depression	22
Chronic Kidney Disease	23
Asthma	19
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	15
Chronic Obstructive Pulmonary Disease	21
Diabetes	25
Dementia	5
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Knut Roalsvig, MD treated as a gastroenterologist in Derry, NH during 2016 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Knut Roalsvig, MD for Medicare patients.

balloon dilation	39
diagnostic procedures	266
doctor visit	923
esophageal dilation	39
gastrointestinal procedures	528
hospital care	99
injections	57
inpatient care	99
minimally invasive procedures	528
preventive care	146
removal of lesion (e.g. growth)	266

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Knut Roalsvig, MD.

**Gender**
Male	324
Female	392

**Ethnicity**
Non-Hispanic White	686
Black	0
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	387
From 75 to 84	185
85 and over	52
Less than 65	92

Conditions of Medicare patients treated by Dr. Knut Roalsvig, MD in 2016

Hypertension	66
High Cholesterol	58
Stroke	4
Ischemic Heart Disease	28
Depression	24
Chronic Kidney Disease	25
Asthma	24
Osteoperosis	6
Atrial Fibrilation	12
Heart Failure	15
Chronic Obstructive Pulmonary Disease	21
Diabetes	26
Dementia	6
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Knut Roalsvig, MD treated as a gastroenterologist in Derry, NH during 2017 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Knut Roalsvig, MD for Medicare patients.

balloon dilation	23
diagnostic procedures	164
doctor visit	804
esophageal dilation	23
gastrointestinal procedures	308
hospital care	14
injections	14
inpatient care	14
minimally invasive procedures	325
preventive care	107
removal of lesion (e.g. growth)	164

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Knut Roalsvig, MD.

**Gender**
Male	232
Female	344

**Ethnicity**
Non-Hispanic White	550
Black	0
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	314
From 75 to 84	152
85 and over	35
Less than 65	75

Conditions of Medicare patients treated by Dr. Knut Roalsvig, MD in 2017

Hypertension	68
High Cholesterol	52
Stroke	3
Ischemic Heart Disease	26
Depression	27
Chronic Kidney Disease	25
Asthma	14
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	13
Chronic Obstructive Pulmonary Disease	19
Diabetes	24
Dementia	5
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Knut Roalsvig, MD treated as a gastroenterologist in Derry, NH during 2018 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Knut Roalsvig, MD for Medicare patients.

balloon dilation	28
diagnostic procedures	252
doctor visit	851
esophageal dilation	28
gastrointestinal procedures	399
hospital care	33
injections	30
inpatient care	33
minimally invasive procedures	399
preventive care	89
removal of lesion (e.g. growth)	252

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Knut Roalsvig, MD.

**Gender**
Male	280
Female	396

**Ethnicity**
Non-Hispanic White	643
Black	0
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	364
From 75 to 84	192
85 and over	48
Less than 65	72

Conditions of Medicare patients treated by Dr. Knut Roalsvig, MD in 2018

Hypertension	71
High Cholesterol	66
Stroke	5
Ischemic Heart Disease	32
Depression	30
Chronic Kidney Disease	28
Asthma	12
Osteoperosis	9
Atrial Fibrilation	16
Heart Failure	18
Chronic Obstructive Pulmonary Disease	20
Diabetes	25
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Knut Roalsvig, MD treated as a gastroenterologist in Derry, NH during 2019 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Knut Roalsvig, MD for Medicare patients.

balloon dilation	33
diagnostic procedures	252
doctor visit	831
esophageal dilation	33
gastrointestinal procedures	380
hospital care	12
injections	19
inpatient care	12
minimally invasive procedures	392
preventive care	76
removal of lesion (e.g. growth)	252

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Knut Roalsvig, MD.

**Gender**
Male	261
Female	393

**Ethnicity**
Non-Hispanic White	629
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	335
From 75 to 84	203
85 and over	47
Less than 65	69

Conditions of Medicare patients treated by Dr. Knut Roalsvig, MD in 2019

Hypertension	70
High Cholesterol	73
Stroke	6
Ischemic Heart Disease	33
Depression	32
Chronic Kidney Disease	26
Asthma	14
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	15
Chronic Obstructive Pulmonary Disease	18
Diabetes	24
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Knut Roalsvig, MD treated as a gastroenterologist in Derry, NH during 2020 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Knut Roalsvig, MD for Medicare patients.

balloon dilation	20
diagnostic procedures	144
doctor visit	423
esophageal dilation	20
gastrointestinal procedures	177
hospital care	11
injections	13
inpatient care	11
minimally invasive procedures	177
removal of lesion (e.g. growth)	144

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Knut Roalsvig, MD.

**Gender**
Male	159
Female	213

**Ethnicity**
Non-Hispanic White	356
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	181
From 75 to 84	126
85 and over	31
Less than 65	34

Conditions of Medicare patients treated by Dr. Knut Roalsvig, MD in 2020

Hypertension	71
High Cholesterol	72
Stroke	4
Ischemic Heart Disease	37
Depression	37
Chronic Kidney Disease	31
Asthma	13
Osteoperosis	6
Atrial Fibrilation	14
Heart Failure	17
Chronic Obstructive Pulmonary Disease	19
Diabetes	23
Dementia	10
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Knut Roalsvig, MD treated as a gastroenterologist in Derry, NH during 2021 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Knut Roalsvig, MD for Medicare patients.

balloon dilation	23
diagnostic procedures	192
doctor visit	508
esophageal dilation	23
gastrointestinal procedures	241
minimally invasive procedures	241
preventive care	26
removal of lesion (e.g. growth)	192

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Knut Roalsvig, MD.

**Gender**
Male	184
Female	248

**Ethnicity**
Non-Hispanic White	409
Black	0
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	229
From 75 to 84	144
85 and over	25
Less than 65	34

Conditions of Medicare patients treated by Dr. Knut Roalsvig, MD in 2021

Hypertension	69
High Cholesterol	73
Stroke	4
Ischemic Heart Disease	33
Depression	28
Chronic Kidney Disease	35
Asthma	9
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	15
Chronic Obstructive Pulmonary Disease	18
Diabetes	26
Dementia	7
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Knut Roalsvig, MD treated as a gastroenterologist in Derry, NH during 2022 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Knut Roalsvig, MD for Medicare patients.

diagnostic procedures	39
gastrointestinal procedures	39
minimally invasive procedures	39
removal of lesion (e.g. growth)	39

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Knut Roalsvig, MD.

**Gender**
Male	22
Female	32

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

Conditions of Medicare patients treated by Dr. Knut Roalsvig, MD in 2022

Hypertension	63
High Cholesterol	74
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Knut Roalsvig, MD for Medicare patients.

The highest averages for the top procedures that Dr. Knut Roalsvig, MD treated as a gastroenterologist in Derry, NH were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

balloon dilation	34
diagnostic procedures	230
doctor visit	903
esophageal dilation	34
gastrointestinal procedures	374
hospital care	52
injections	31
inpatient care	52
minimally invasive procedures	382
preventive care	99
removal of lesion (e.g. growth)	230

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Knut Roalsvig, MD.

**Gender**
Male	244
Female	338

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	553
Native American / Alaskan Native	0
Hispanic	0
Other	8

**Age**
75 to 84	156
85 and over	37
Less than 65	74
65 to 74	311

Average of Total of Conditions of Medicare patients treated by Dr. Knut Roalsvig, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Knut Roalsvig, MD treated were hypertension, high cholesterol, ischemic heart disease and depression.

Hypertension	61
High Cholesterol	58
Stroke	3
Ischemic Heart Disease	24
Depression	22
Chronic Kidney Disease	21
Asthma	11
Osteoporosis	6
Heart Failure	12
Chronic Obstructive Pulmonary Disease	15
Diabetes	20
Atrial Fibrillation	9
Dementia	5
Cancer	9

Education & Training

He has a state license in New Hampshire.

Licensed In: New Hampshire

Ratings & Reviews

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General Payments

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

**Payments by Company**
Janssen Biotech, Inc.	$867 SIMPONI $512	OLYSIO $180	STELARA $118	SIMPONI ARIA $57
AbbVie, Inc.	$790 Humira $339	Creon $189	Lupron $90	Viekira $84	Technivie $56	Other $32
Shire North American Group Inc	$236 LIALDA $176	GATTEX $44	PENTASA $16
Salix Pharmaceuticals, Ltd	$234 Moviprep $81	Relistor $52	XIFAXAN - 550MG $31	Zegerid $24	Xifaxan 550 mg $21	Other $25
Takeda Pharmaceuticals America, Inc.	$191 Dexilant $99	AMITIZA $72	ENTYVIO $20
Other	$2,003 Pegasys $170	XELJANZ $162	VIBERZI $150	SUPREP $141	Cimzia $120	Other $1,260

**Types of Payments**
Food and Beverage	$4,178
Education	$144

Biography

Dr. Knut Roalsvig sees patients in Derry, NH. His medical specialty is adult gastroenterology. Dr. Roalsvig has obtained a license to practice in New Hampshire.

Select Year:

Dr. Knut Roalsvig, MD

Office Locations

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. Knut Roalsvig, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Knut Roalsvig, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Knut Roalsvig, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Knut Roalsvig, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Knut Roalsvig, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Knut Roalsvig, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Knut Roalsvig, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Knut Roalsvig, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Knut Roalsvig, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Knut Roalsvig, 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. Knut Roalsvig, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

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