In 2012, Dr. John P. Kolnik, DO performed more colonoscopy, colonoscopy with biopsy, colonoscopy with lesion removal, and diagnostic endoscopy procedures for Medicare patients than 75% of providers in related specialties within New Jersey.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. John P. Kolnik, DO treated as a gastroenterologist in Camden, NJ during 2012 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. John P. Kolnik, DO for Medicare patients.

diagnostic procedures	166
doctor visit	672
gastrointestinal procedures	237
hospital care	236
inpatient care	236
minimally invasive procedures	237
preventive care	58
pyloric dilation	13
removal of lesion (e.g. growth)	166

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. John P. Kolnik, DO treated as a gastroenterologist in Camden, NJ during 2013 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. John P. Kolnik, DO for Medicare patients.

diagnostic procedures	204
doctor visit	721
gastrointestinal procedures	259
hospital care	230
inpatient care	230
minimally invasive procedures	259
preventive care	55
removal of lesion (e.g. growth)	204

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Kolnik, DO.

**Gender**
Male	265
Female	334

**Ethnicity**
Non-Hispanic White	517
Black	51
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	248
From 75 to 84	189
85 and over	93
Less than 65	69

Conditions of Medicare patients treated by Dr. John P. Kolnik, DO in 2013

Hypertension	75
High Cholesterol	70
Stroke	9
Ischemic Heart Disease	44
Depression	21
Chronic Kidney Disease	28
Asthma	10
Osteoperosis	9
Atrial Fibrilation	17
Heart Failure	21
Chronic Obstructive Pulmonary Disease	16
Diabetes	38
Dementia	12
Cancer	16

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. John P. Kolnik, DO treated as a gastroenterologist in Camden, NJ during 2014 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. John P. Kolnik, DO for Medicare patients.

diagnostic procedures	175
doctor visit	697
esophageal dilation	15
gastrointestinal procedures	239
hospital care	482
inpatient care	482
minimally invasive procedures	239
preventive care	50
removal of lesion (e.g. growth)	175

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Kolnik, DO.

**Gender**
Male	265
Female	378

**Ethnicity**
Non-Hispanic White	569
Black	49
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	265
From 75 to 84	202
85 and over	97
Less than 65	79

Conditions of Medicare patients treated by Dr. John P. Kolnik, DO in 2014

Hypertension	75
High Cholesterol	71
Stroke	9
Ischemic Heart Disease	47
Depression	25
Chronic Kidney Disease	30
Asthma	10
Osteoperosis	9
Atrial Fibrilation	18
Heart Failure	24
Chronic Obstructive Pulmonary Disease	21
Diabetes	40
Dementia	14
Cancer	16

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. John P. Kolnik, DO treated as a gastroenterologist in Camden, NJ during 2015 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. John P. Kolnik, DO for Medicare patients.

diagnostic procedures	215
doctor visit	695
gastrointestinal procedures	282
hospital care	491
inpatient care	491
minimally invasive procedures	282
preventive care	67
removal of lesion (e.g. growth)	215

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Kolnik, DO.

**Gender**
Male	564
Female	796

**Ethnicity**
Non-Hispanic White	1180
Black	100
Hispanic	30
Asian	24
Other	26
Native American	0

**Age**
From 65 to 74	594
From 75 to 84	354
85 and over	234
Less than 65	178

Conditions of Medicare patients treated by Dr. John P. Kolnik, DO in 2015

Hypertension	75
High Cholesterol	73
Stroke	10
Ischemic Heart Disease	44
Depression	27
Chronic Kidney Disease	31
Asthma	17
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	24
Chronic Obstructive Pulmonary Disease	21
Diabetes	39
Dementia	16
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. John P. Kolnik, DO treated as a gastroenterologist in Camden, NJ during 2016 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. John P. Kolnik, DO for Medicare patients.

diagnostic procedures	238
doctor visit	778
esophageal dilation	13
gastrointestinal procedures	300
hospital care	405
inpatient care	405
minimally invasive procedures	300
preventive care	48
removal of lesion (e.g. growth)	238

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Kolnik, DO.

**Gender**
Male	293
Female	417

**Ethnicity**
Non-Hispanic White	612
Black	53
Hispanic	21
Asian	11
Other	13
Native American	0

**Age**
From 65 to 74	311
From 75 to 84	199
85 and over	97
Less than 65	103

Conditions of Medicare patients treated by Dr. John P. Kolnik, DO in 2016

Hypertension	75
High Cholesterol	69
Stroke	9
Ischemic Heart Disease	41
Depression	25
Chronic Kidney Disease	33
Asthma	21
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	21
Chronic Obstructive Pulmonary Disease	18
Diabetes	38
Dementia	15
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. John P. Kolnik, DO treated as a gastroenterologist in Camden, NJ during 2017 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. John P. Kolnik, DO for Medicare patients.

diagnostic procedures	213
doctor visit	803
esophageal dilation	18
gastrointestinal procedures	265
hospital care	318
inpatient care	318
minimally invasive procedures	265
preventive care	52
removal of lesion (e.g. growth)	213

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Kolnik, DO.

**Gender**
Male	283
Female	371

**Ethnicity**
Non-Hispanic White	581
Black	40
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	278
From 75 to 84	216
85 and over	86
Less than 65	74

Conditions of Medicare patients treated by Dr. John P. Kolnik, DO in 2017

Hypertension	75
High Cholesterol	65
Stroke	7
Ischemic Heart Disease	46
Depression	25
Chronic Kidney Disease	39
Asthma	10
Osteoperosis	9
Atrial Fibrilation	18
Heart Failure	18
Chronic Obstructive Pulmonary Disease	16
Diabetes	37
Dementia	15
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. John P. Kolnik, DO treated as a gastroenterologist in Camden, NJ during 2018 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. John P. Kolnik, DO for Medicare patients.

diagnostic procedures	232
doctor visit	880
esophageal dilation	17
gastrointestinal procedures	294
hospital care	127
inpatient care	127
minimally invasive procedures	294
preventive care	62
removal of lesion (e.g. growth)	232

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Kolnik, DO.

**Gender**
Male	311
Female	370

**Ethnicity**
Non-Hispanic White	586
Black	52
Hispanic	23
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	318
From 75 to 84	213
85 and over	80
Less than 65	70

Conditions of Medicare patients treated by Dr. John P. Kolnik, DO in 2018

Hypertension	74
High Cholesterol	68
Stroke	7
Ischemic Heart Disease	38
Depression	21
Chronic Kidney Disease	32
Asthma	10
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	13
Diabetes	34
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. John P. Kolnik, DO treated as a gastroenterologist in Camden, NJ during 2019 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. John P. Kolnik, DO for Medicare patients.

diagnostic procedures	252
doctor visit	683
esophageal dilation	25
gastrointestinal procedures	312
hospital care	291
inpatient care	291
minimally invasive procedures	312
preventive care	43
removal of lesion (e.g. growth)	252

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Kolnik, DO.

**Gender**
Male	325
Female	355

**Ethnicity**
Non-Hispanic White	547
Black	79
Hispanic	33
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	303
From 75 to 84	211
85 and over	84
Less than 65	82

Conditions of Medicare patients treated by Dr. John P. Kolnik, DO in 2019

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	49
Depression	25
Chronic Kidney Disease	40
Asthma	10
Osteoperosis	8
Atrial Fibrilation	19
Heart Failure	27
Chronic Obstructive Pulmonary Disease	19
Diabetes	39
Dementia	15
Cancer	16

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. John P. Kolnik, DO treated as a gastroenterologist in Camden, NJ during 2020 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. John P. Kolnik, DO for Medicare patients.

biological response modifier (BRM) therapy	17
chemotherapy	17
diagnostic procedures	206
doctor visit	639
esophageal dilation	11
gastrointestinal procedures	235
hospital care	182
inpatient care	182
minimally invasive procedures	252
preventive care	16
removal of lesion (e.g. growth)	206

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Kolnik, DO.

**Gender**
Male	269
Female	325

**Ethnicity**
Non-Hispanic White	499
Black	50
Hispanic	27
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	269
From 75 to 84	186
85 and over	74
Less than 65	65

Conditions of Medicare patients treated by Dr. John P. Kolnik, DO in 2020

Hypertension	72
High Cholesterol	68
Stroke	8
Ischemic Heart Disease	43
Depression	23
Chronic Kidney Disease	39
Asthma	10
Osteoperosis	7
Atrial Fibrilation	17
Heart Failure	22
Chronic Obstructive Pulmonary Disease	13
Diabetes	32
Dementia	13
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. John P. Kolnik, DO treated as a gastroenterologist in Camden, NJ during 2021 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. John P. Kolnik, DO for Medicare patients.

diagnostic procedures	187
doctor visit	574
gastrointestinal procedures	249
hospital care	219
inpatient care	219
minimally invasive procedures	249
preventive care	51
removal of lesion (e.g. growth)	187

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Kolnik, DO.

**Gender**
Male	242
Female	326

**Ethnicity**
Non-Hispanic White	476
Black	46
Hispanic	26
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	259
From 75 to 84	168
85 and over	70
Less than 65	71

Conditions of Medicare patients treated by Dr. John P. Kolnik, DO in 2021

Hypertension	75
High Cholesterol	73
Stroke	9
Ischemic Heart Disease	44
Depression	25
Chronic Kidney Disease	40
Asthma	12
Osteoperosis	11
Atrial Fibrilation	17
Heart Failure	23
Chronic Obstructive Pulmonary Disease	17
Diabetes	33
Dementia	12
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. John P. Kolnik, DO treated as a gastroenterologist in Camden, NJ during 2022 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. John P. Kolnik, DO for Medicare patients.

anastomosis	11
catheterization	11
diagnostic procedures	236
doctor visit	530
gastrointestinal procedures	282
hospital care	187
inpatient care	187
minimally invasive procedures	282
preventive care	35
removal of lesion (e.g. growth)	236

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Kolnik, DO.

**Gender**
Male	283
Female	363

**Ethnicity**
Non-Hispanic White	549
Black	50
Hispanic	25
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	300
From 75 to 84	223
85 and over	69
Less than 65	54

Conditions of Medicare patients treated by Dr. John P. Kolnik, DO in 2022

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	32
Depression	22
Chronic Kidney Disease	25
Asthma	14
Osteoperosis	15
Atrial Fibrilation	24
Heart Failure	16
Chronic Obstructive Pulmonary Disease	21
Diabetes	34
Dementia	7
Cancer	16

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. John P. Kolnik, DO treated as a gastroenterologist in Camden, NJ during 2023 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. John P. Kolnik, DO for Medicare patients.

diagnostic procedures	257
doctor visit	447
gastrointestinal procedures	290
hospital care	282
inpatient care	282
minimally invasive procedures	290
preventive care	33
removal of lesion (e.g. growth)	257

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. John P. Kolnik, DO.

**Gender**
Male	313
Female	316

**Ethnicity**
Non-Hispanic White	548
Black	39
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	296
From 75 to 84	214
85 and over	61
Less than 65	58

Conditions of Medicare patients treated by Dr. John P. Kolnik, DO in 2023

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	34
Depression	20
Chronic Kidney Disease	28
Asthma	15
Osteoperosis	14
Atrial Fibrilation	20
Heart Failure	19
Chronic Obstructive Pulmonary Disease	20
Diabetes	33
Dementia	7
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. John P. Kolnik, DO for Medicare patients.

The highest averages for the top procedures that Dr. John P. Kolnik, DO treated as a gastroenterologist in Camden, NJ were inpatient care, hospital care, minimally invasive procedures and gastrointestinal procedures.

anastomosis	11
biological response modifier (BRM) therapy	17
catheterization	11
chemotherapy	17
diagnostic procedures	215
doctor visit	676
esophageal dilation	16
gastrointestinal procedures	270
hospital care	287
inpatient care	287
minimally invasive procedures	271
preventive care	47
pyloric dilation	13
removal of lesion (e.g. growth)	215

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. John P. Kolnik, DO.

**Gender**
Female	362
Male	284

**Ethnicity**
Black / African American	50
Asian / Pacific Islander	2
Non-Hispanic White	555
Native American / Alaskan Native	0
Hispanic	19
Other	3

**Age**
75 to 84	197
85 and over	87
Less than 65	75
65 to 74	286

Average of Total of Conditions of Medicare patients treated by Dr. John P. Kolnik, DO From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. John P. Kolnik, DO treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	68
High Cholesterol	65
Stroke	8
Ischemic Heart Disease	38
Depression	21
Chronic Kidney Disease	30
Asthma	11
Osteoporosis	9
Heart Failure	19
Chronic Obstructive Pulmonary Disease	16
Diabetes	33
Atrial Fibrillation	16
Dementia	11
Cancer	13

Education & Training

He has a state license in New Jersey.

Licensed In: New Jersey

Ratings & Reviews

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General Payments

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

**Payments by Company**
Horizon Pharma plc	$112,512 PRIMARY CARE - DISEASE STATE $112,485	Duexis $15	NO_PRODUCT $11
Horizon Therapeutics plc	$23,457 $23,457
Allergan Inc.	$16,042 VIBERZI $15,022	LINZESS $1,020
Salix Pharmaceuticals, a division of Bausch Health US, LLC	$2,478 XIFAXAN $2,076	Trulance $257	APRISO $39	XIFAXANIBSD $33	UCERIS FOAM $30	Other $45
AbbVie, Inc.	$1,169 Humira $683	Creon $210	Mavyret $147	Viekira $59	Moderiba $19	Other $51
Other	$7,424 Cimzia $561	STELARA $490	LINZESS $356	Humira $316	AMITIZA $314	Other $5,385

**Types of Payments**
Honoraria	$118,370
Travel and Lodging	$16,835
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$14,000
Food and Beverage	$13,644
Education	$234