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Dr. Kenneth Zierer, MD

(Dr. Kenneth Zierer, M.D.)

(2 Ratings)

Specializes in: Adult Gastroenterology

University of Medicine and Dentistry of New Jersey (UMDNJ)

925 Clifton Avenue
Clifton, NJ 07013

(973) 458-0408

Dr. Kenneth Zierer, MD is a gastroenterologist in Rutherford, NJ specializing in adult gastroenterology. He graduated from University of Medicine and Dentistry of New Jersey (UMDNJ). Dr. Kenneth Zierer, MD is affiliated with St. Mary's General Hospital.

Office Locations

St. Mary's General Hospital

71 Union Avenue Suite 201
Rutherford, NJ 07070

(201) 842-0020

(201) 842-0010

open_in_new

925 Clifton Avenue
Clifton, NJ 07013

(973) 458-0408

(973) 405-6564

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Noteworthy Medicare Patient Procedures Performed by Dr. Kenneth Zierer, MD in 2023

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

Top 25%

By Affordability:

chronic care

In 2012, Dr. Kenneth Zierer, MD had a list price for chronic care that was lower than the list prices billed to Medicare by 75% of providers in related specialties within New Jersey. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Kenneth Zierer, MD treated as a gastroenterologist in Rutherford, NJ during 2012 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Kenneth Zierer, MD for Medicare patients.

blood draw	69
diagnostic procedures	116
doctor visit	336
gastrointestinal procedures	148
hospital care	437
inpatient care	437
minimally invasive procedures	148
preventive care	14
removal of lesion (e.g. growth)	116

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Kenneth Zierer, MD treated as a gastroenterologist in Rutherford, NJ during 2013 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Kenneth Zierer, MD for Medicare patients.

blood draw	106
diagnostic procedures	137
doctor visit	365
gastrointestinal procedures	153
hospital care	380
inpatient care	380
minimally invasive procedures	153
preventive care	16
removal of lesion (e.g. growth)	137

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth Zierer, MD.

**Gender**
Male	135
Female	179

**Ethnicity**
Non-Hispanic White	229
Black	20
Hispanic	51
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	101
From 75 to 84	92
85 and over	72
Less than 65	49

Conditions of Medicare patients treated by Dr. Kenneth Zierer, MD in 2013

Hypertension	75
High Cholesterol	70
Stroke	8
Ischemic Heart Disease	59
Depression	25
Chronic Kidney Disease	35
Asthma	19
Osteoperosis	8
Atrial Fibrilation	23
Heart Failure	44
Chronic Obstructive Pulmonary Disease	30
Diabetes	52
Dementia	19
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Kenneth Zierer, MD treated as a gastroenterologist in Rutherford, NJ during 2014 were hospital care, inpatient care, blood draw and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Kenneth Zierer, MD for Medicare patients.

blood draw	125
diagnostic procedures	120
doctor visit	362
gastrointestinal procedures	120
hospital care	345
inpatient care	345
minimally invasive procedures	120
removal of lesion (e.g. growth)	120

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth Zierer, MD.

**Gender**
Male	111
Female	191

**Ethnicity**
Non-Hispanic White	210
Black	0
Hispanic	63
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	99
From 75 to 84	80
85 and over	76
Less than 65	47

Conditions of Medicare patients treated by Dr. Kenneth Zierer, MD in 2014

Hypertension	75
High Cholesterol	65
Stroke	6
Ischemic Heart Disease	53
Depression	25
Chronic Kidney Disease	35
Asthma	15
Osteoperosis	10
Atrial Fibrilation	18
Heart Failure	40
Chronic Obstructive Pulmonary Disease	26
Diabetes	51
Dementia	18
Cancer	15

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Kenneth Zierer, MD treated as a gastroenterologist in Rutherford, NJ during 2015 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Kenneth Zierer, MD for Medicare patients.

blood draw	34
diagnostic procedures	119
doctor visit	445
gastrointestinal procedures	157
hospital care	289
inpatient care	289
minimally invasive procedures	157
preventive care	38
removal of lesion (e.g. growth)	119

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth Zierer, MD.

**Gender**
Male	330
Female	356

**Ethnicity**
Non-Hispanic White	530
Black	0
Hispanic	94
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	268
From 75 to 84	180
85 and over	152
Less than 65	86

Conditions of Medicare patients treated by Dr. Kenneth Zierer, MD in 2015

Hypertension	75
High Cholesterol	70
Stroke	6
Ischemic Heart Disease	54
Depression	18
Chronic Kidney Disease	33
Asthma	22
Osteoperosis	10
Atrial Fibrilation	17
Heart Failure	33
Chronic Obstructive Pulmonary Disease	27
Diabetes	51
Dementia	17
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Kenneth Zierer, MD treated as a gastroenterologist in Rutherford, NJ during 2016 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Kenneth Zierer, MD for Medicare patients.

diagnostic procedures	170
doctor visit	445
gastrointestinal procedures	199
hospital care	299
inpatient care	299
minimally invasive procedures	199
preventive care	29
removal of lesion (e.g. growth)	170

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth Zierer, MD.

**Gender**
Male	148
Female	221

**Ethnicity**
Non-Hispanic White	251
Black	18
Hispanic	81
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	147
From 75 to 84	101
85 and over	76
Less than 65	45

Conditions of Medicare patients treated by Dr. Kenneth Zierer, MD in 2016

Hypertension	75
High Cholesterol	72
Stroke	9
Ischemic Heart Disease	52
Depression	22
Chronic Kidney Disease	40
Asthma	32
Osteoperosis	10
Atrial Fibrilation	17
Heart Failure	33
Chronic Obstructive Pulmonary Disease	29
Diabetes	49
Dementia	24
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Kenneth Zierer, MD treated as a gastroenterologist in Rutherford, NJ during 2017 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Kenneth Zierer, MD for Medicare patients.

diagnostic procedures	159
doctor visit	394
gastrointestinal procedures	181
hospital care	357
inpatient care	357
minimally invasive procedures	181
preventive care	22
removal of lesion (e.g. growth)	159

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth Zierer, MD.

**Gender**
Male	137
Female	198

**Ethnicity**
Non-Hispanic White	244
Black	13
Hispanic	60
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	144
From 75 to 84	95
85 and over	59
Less than 65	37

Conditions of Medicare patients treated by Dr. Kenneth Zierer, MD in 2017

Hypertension	75
High Cholesterol	64
Stroke	5
Ischemic Heart Disease	53
Depression	23
Chronic Kidney Disease	43
Asthma	12
Osteoperosis	12
Atrial Fibrilation	19
Heart Failure	32
Chronic Obstructive Pulmonary Disease	26
Diabetes	48
Dementia	19
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Kenneth Zierer, MD treated as a gastroenterologist in Rutherford, NJ during 2018 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Kenneth Zierer, MD for Medicare patients.

anastomosis	13
catheterization	13
diagnostic procedures	116
doctor visit	386
gastrointestinal procedures	151
hospital care	359
inpatient care	359
minimally invasive procedures	151
preventive care	22
removal of lesion (e.g. growth)	116

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth Zierer, MD.

**Gender**
Male	145
Female	192

**Ethnicity**
Non-Hispanic White	249
Black	16
Hispanic	52
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	143
From 75 to 84	96
85 and over	64
Less than 65	34

Conditions of Medicare patients treated by Dr. Kenneth Zierer, MD in 2018

Hypertension	75
High Cholesterol	73
Stroke	6
Ischemic Heart Disease	54
Depression	30
Chronic Kidney Disease	39
Asthma	9
Osteoperosis	12
Atrial Fibrilation	19
Heart Failure	31
Chronic Obstructive Pulmonary Disease	28
Diabetes	49
Dementia	23
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Kenneth Zierer, MD treated as a gastroenterologist in Rutherford, NJ during 2019 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Kenneth Zierer, MD for Medicare patients.

diagnostic procedures	115
doctor visit	376
gastrointestinal procedures	146
hospital care	254
inpatient care	254
liver imaging	19
minimally invasive procedures	146
preventive care	31
removal of lesion (e.g. growth)	115
ultrasound (sonogram)	19

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth Zierer, MD.

**Gender**
Male	134
Female	194

**Ethnicity**
Non-Hispanic White	239
Black	14
Hispanic	63
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	139
From 75 to 84	85
85 and over	54
Less than 65	50

Conditions of Medicare patients treated by Dr. Kenneth Zierer, MD in 2019

Hypertension	75
High Cholesterol	72
Stroke	9
Ischemic Heart Disease	52
Depression	26
Chronic Kidney Disease	43
Asthma	10
Osteoperosis	11
Atrial Fibrilation	16
Heart Failure	32
Chronic Obstructive Pulmonary Disease	30
Diabetes	50
Dementia	22
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Kenneth Zierer, MD treated as a gastroenterologist in Rutherford, NJ during 2020 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Kenneth Zierer, MD for Medicare patients.

diagnostic procedures	83
doctor visit	318
gastrointestinal procedures	105
hospital care	184
inpatient care	184
liver imaging	16
minimally invasive procedures	105
preventive care	22
removal of lesion (e.g. growth)	83
ultrasound (sonogram)	16

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth Zierer, MD.

**Gender**
Male	106
Female	158

**Ethnicity**
Non-Hispanic White	196
Black	12
Hispanic	38
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	113
From 75 to 84	75
85 and over	43
Less than 65	33

Conditions of Medicare patients treated by Dr. Kenneth Zierer, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	56
Depression	27
Chronic Kidney Disease	41
Asthma	7
Osteoperosis	11
Atrial Fibrilation	14
Heart Failure	30
Chronic Obstructive Pulmonary Disease	23
Diabetes	52
Dementia	15
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Kenneth Zierer, MD treated as a gastroenterologist in Rutherford, NJ during 2021 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Kenneth Zierer, MD for Medicare patients.

chronic care	56
diagnostic procedures	121
doctor visit	292
gastrointestinal procedures	134
hospital care	219
inpatient care	219
liver imaging	15
minimally invasive procedures	134
preventive care	13
removal of lesion (e.g. growth)	121
ultrasound (sonogram)	15

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth Zierer, MD.

**Gender**
Male	142
Female	167

**Ethnicity**
Non-Hispanic White	219
Black	11
Hispanic	58
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	140
From 75 to 84	91
85 and over	50
Less than 65	28

Conditions of Medicare patients treated by Dr. Kenneth Zierer, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	52
Depression	28
Chronic Kidney Disease	44
Asthma	7
Osteoperosis	12
Atrial Fibrilation	19
Heart Failure	33
Chronic Obstructive Pulmonary Disease	21
Diabetes	44
Dementia	18
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Kenneth Zierer, MD treated as a gastroenterologist in Rutherford, NJ during 2022 were chronic care, hospital care, inpatient care and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Kenneth Zierer, MD for Medicare patients.

chronic care	152
diagnostic procedures	89
doctor visit	240
gastrointestinal procedures	89
hospital care	129
inpatient care	129
liver imaging	12
minimally invasive procedures	89
removal of lesion (e.g. growth)	89
ultrasound (sonogram)	12

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth Zierer, MD.

**Gender**
Male	110
Female	165

**Ethnicity**
Non-Hispanic White	195
Black	14
Hispanic	47
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	119
From 75 to 84	78
85 and over	50
Less than 65	28

Conditions of Medicare patients treated by Dr. Kenneth Zierer, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	42
Depression	24
Chronic Kidney Disease	29
Asthma	12
Osteoperosis	14
Atrial Fibrilation	24
Heart Failure	27
Chronic Obstructive Pulmonary Disease	25
Diabetes	46
Dementia	13
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Kenneth Zierer, MD for Medicare patients.

The highest averages for the top procedures that Dr. Kenneth Zierer, MD treated as a gastroenterologist in Rutherford, NJ were inpatient care, hospital care, gastrointestinal procedures and minimally invasive procedures.

anastomosis	13
blood draw	83
catheterization	13
chronic care	104
diagnostic procedures	122
doctor visit	359
gastrointestinal procedures	143
hospital care	295
inpatient care	295
liver imaging	15
minimally invasive procedures	143
preventive care	23
removal of lesion (e.g. growth)	122
ultrasound (sonogram)	15

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Kenneth Zierer, MD.

**Gender**
Female	183
Male	136

**Ethnicity**
Black / African American	10
Asian / Pacific Islander	0
Non-Hispanic White	232
Native American / Alaskan Native	0
Hispanic	55
Other	0

**Age**
85 and over	63
75 to 84	88
Less than 65	39
65 to 74	128

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

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

Hypertension	68
High Cholesterol	64
Stroke	6
Ischemic Heart Disease	47
Depression	22
Chronic Kidney Disease	34
Asthma	13
Osteoporosis	10
Heart Failure	30
Chronic Obstructive Pulmonary Disease	24
Diabetes	44
Atrial Fibrillation	16
Dementia	17
Cancer	12

Education & Training

Dr. Kenneth Zierer, MD graduated from University of Medicine and Dentistry of New Jersey (UMDNJ). He completed residency at University of Medicine and Dentistry of New Jersey (UMDNJ) Affiliated Hospitals. He has a state license in New Jersey.

Medical School: University of Medicine and Dentistry of New Jersey (UMDNJ)

Residency: University of Medicine and Dentistry of New Jersey (UMDNJ) Affiliated Hospitals

Licensed In: New Jersey

Affiliations & Hospitals

Dr. Kenneth Zierer, MD is associated with these hospitals and organizations:

St. Mary's General Hospital

Ratings & Reviews

Dr. Kenneth Zierer, MD has an average of 2.0 out of 5 stars based on 2 ratings. We collect ratings and reviews of Dr. Kenneth Zierer, MD from all over the web to help you find the right in Rutherford, NJ.

Overall Rating

(2 Ratings)

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General Payments

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

**Payments by Company**
Gilead Sciences Inc	$3,136 Harvoni $605	Epclusa $206	$2,325
AbbVie, Inc.	$2,033 Humira $711	Creon $473	Viekira $339	Mavyret $137	Moderiba $119	Other $254
Salix Pharmaceuticals, a division of Bausch Health US, LLC	$984 XIFAXAN $590	Trulance $231	Uceris $56	PLENVU $54	XIFAXANIBSD $29	Other $25
AbbVie Inc.	$811 Creon $282	LINZESS $256	Skyrizi $72	Humira $71	Mavyret $53	Other $77
Takeda Pharmaceuticals U.S.A., Inc.	$719 AMITIZA $273	ENTYVIO $203	Dexilant $191	MOTEGRITY $25	$26
Other	$8,158 Ocaliva $672	LINZESS $567	ZEPOSIA $536	VIBERZI $335	XIFAXAN $291	Other $5,756

**Types of Payments**
Food and Beverage	$14,057
Honoraria	$1,500
Education	$270
Consulting Fee	$14

Biography

Dr. Kenneth Zierer works as an adult gastroenterology. He attended UMDNJ-Robert Wood Johnson Medical School and UMDNJ-New Jersey Medical School and subsequently trained at a hospital affiliated with the University of Medicine and Dentistry of New Jersey (UMDNJ) for residency. Dr. Zierer is professionally affiliated with St. Mary's General Hospital.