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Home > NJ Providers > Colorectal Surgeons

Dr. Gary Otto Siemons, MD

(4 Ratings)

Specializes in: Colon & Rectal Surgery

502 Centennial Boulevard Suite 5
Voorhees, NJ 08043

(856) 429-8030

Dr. Gary Otto Siemons, MD is a colon and rectal surgeon in Voorhees, NJ specializing in colon & rectal surgery.

Office Locations

502 Centennial Boulevard Suite 5
Voorhees, NJ 08043

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Gary Otto Siemons, MD treated as a colon and rectal surgeon in Voorhees, NJ during 2012 were gastrointestinal procedures, minimally invasive procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gary Otto Siemons, MD for Medicare patients.

diagnostic procedures	173
doctor visit	423
gastrointestinal procedures	546
hospital care	54
inpatient care	54
lab tests	13
minimally invasive procedures	419
preventive care	93
removal of lesion (e.g. growth)	173

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gary Otto Siemons, MD treated as a colon and rectal surgeon in Voorhees, NJ during 2013 were gastrointestinal procedures, minimally invasive procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gary Otto Siemons, MD for Medicare patients.

diagnostic procedures	151
doctor visit	356
gastrointestinal procedures	561
hospital care	54
inpatient care	54
lab tests	25
minimally invasive procedures	435
preventive care	84
removal of lesion (e.g. growth)	151

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Otto Siemons, MD.

**Gender**
Male	217
Female	203

**Ethnicity**
Non-Hispanic White	383
Black	17
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	191
From 75 to 84	140
85 and over	57
Less than 65	32

Conditions of Medicare patients treated by Dr. Gary Otto Siemons, MD in 2013

Hypertension	69
High Cholesterol	67
Stroke	6
Ischemic Heart Disease	35
Depression	16
Chronic Kidney Disease	20
Asthma	5
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	13
Chronic Obstructive Pulmonary Disease	12
Diabetes	29
Dementia	6
Cancer	24

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gary Otto Siemons, MD treated as a colon and rectal surgeon in Voorhees, NJ during 2014 were gastrointestinal procedures, minimally invasive procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gary Otto Siemons, MD for Medicare patients.

diagnostic procedures	149
doctor visit	398
gastrointestinal procedures	554
hospital care	43
inpatient care	43
lab tests	18
minimally invasive procedures	420
preventive care	92
removal of lesion (e.g. growth)	149

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Otto Siemons, MD.

**Gender**
Male	197
Female	216

**Ethnicity**
Non-Hispanic White	370
Black	21
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	202
From 75 to 84	122
85 and over	63
Less than 65	26

Conditions of Medicare patients treated by Dr. Gary Otto Siemons, MD in 2014

Hypertension	70
High Cholesterol	69
Stroke	3
Ischemic Heart Disease	36
Depression	19
Chronic Kidney Disease	20
Asthma	6
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	13
Chronic Obstructive Pulmonary Disease	10
Diabetes	30
Dementia	6
Cancer	21

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gary Otto Siemons, MD treated as a colon and rectal surgeon in Voorhees, NJ during 2015 were gastrointestinal procedures, minimally invasive procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gary Otto Siemons, MD for Medicare patients.

diagnostic procedures	127
doctor visit	407
gastrointestinal procedures	435
hospital care	38
inpatient care	38
lab tests	23
minimally invasive procedures	343
preventive care	77
removal of lesion (e.g. growth)	127

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Otto Siemons, MD.

**Gender**
Male	374
Female	386

**Ethnicity**
Non-Hispanic White	710
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	356
From 75 to 84	280
85 and over	84
Less than 65	40

Conditions of Medicare patients treated by Dr. Gary Otto Siemons, MD in 2015

Hypertension	69
High Cholesterol	70
Stroke	4
Ischemic Heart Disease	32
Depression	16
Chronic Kidney Disease	17
Asthma	11
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	9
Chronic Obstructive Pulmonary Disease	11
Diabetes	31
Dementia	6
Cancer	19

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gary Otto Siemons, MD treated as a colon and rectal surgeon in Voorhees, NJ during 2016 were gastrointestinal procedures, minimally invasive procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gary Otto Siemons, MD for Medicare patients.

diagnostic procedures	137
doctor visit	438
gastrointestinal procedures	466
hospital care	48
inpatient care	48
lab tests	19
minimally invasive procedures	368
preventive care	67
removal of lesion (e.g. growth)	137

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Otto Siemons, MD.

**Gender**
Male	186
Female	212

**Ethnicity**
Non-Hispanic White	360
Black	16
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	179
From 75 to 84	149
85 and over	46
Less than 65	24

Conditions of Medicare patients treated by Dr. Gary Otto Siemons, MD in 2016

Hypertension	72
High Cholesterol	68
Stroke	4
Ischemic Heart Disease	35
Depression	14
Chronic Kidney Disease	23
Asthma	14
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	30
Dementia	9
Cancer	18

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gary Otto Siemons, MD treated as a colon and rectal surgeon in Voorhees, NJ during 2017 were gastrointestinal procedures, minimally invasive procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gary Otto Siemons, MD for Medicare patients.

diagnostic procedures	139
doctor visit	379
gastrointestinal procedures	409
hospital care	29
inpatient care	29
minimally invasive procedures	318
preventive care	51
removal of lesion (e.g. growth)	139

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Otto Siemons, MD.

**Gender**
Male	176
Female	177

**Ethnicity**
Non-Hispanic White	316
Black	21
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	169
From 75 to 84	117
85 and over	49
Less than 65	18

Conditions of Medicare patients treated by Dr. Gary Otto Siemons, MD in 2017

Hypertension	71
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	34
Depression	16
Chronic Kidney Disease	26
Asthma	7
Osteoperosis	8
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	12
Diabetes	31
Dementia	7
Cancer	21

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gary Otto Siemons, MD treated as a colon and rectal surgeon in Voorhees, NJ during 2018 were gastrointestinal procedures, minimally invasive procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gary Otto Siemons, MD for Medicare patients.

diagnostic procedures	126
doctor visit	423
gastrointestinal procedures	498
minimally invasive procedures	362
preventive care	52
removal of lesion (e.g. growth)	126

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Otto Siemons, MD.

**Gender**
Male	205
Female	177

**Ethnicity**
Non-Hispanic White	341
Black	20
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	181
From 75 to 84	154
85 and over	33
Less than 65	14

Conditions of Medicare patients treated by Dr. Gary Otto Siemons, MD in 2018

Hypertension	64
High Cholesterol	65
Stroke	5
Ischemic Heart Disease	32
Depression	14
Chronic Kidney Disease	24
Asthma	6
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	8
Diabetes	27
Dementia	7
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gary Otto Siemons, MD treated as a colon and rectal surgeon in Voorhees, NJ during 2019 were gastrointestinal procedures, minimally invasive procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gary Otto Siemons, MD for Medicare patients.

diagnostic procedures	99
doctor visit	270
gastrointestinal procedures	363
hospital care	44
inpatient care	44
minimally invasive procedures	272
preventive care	38
removal of lesion (e.g. growth)	99

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Otto Siemons, MD.

**Gender**
Male	155
Female	122

**Ethnicity**
Non-Hispanic White	255
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	134
From 75 to 84	102
85 and over	28
Less than 65	13

Conditions of Medicare patients treated by Dr. Gary Otto Siemons, MD in 2019

Hypertension	65
High Cholesterol	72
Stroke	0
Ischemic Heart Disease	31
Depression	18
Chronic Kidney Disease	24
Asthma	6
Osteoperosis	7
Atrial Fibrilation	10
Heart Failure	12
Chronic Obstructive Pulmonary Disease	8
Diabetes	19
Dementia	8
Cancer	17

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gary Otto Siemons, MD treated as a colon and rectal surgeon in Voorhees, NJ during 2020 were gastrointestinal procedures, minimally invasive procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gary Otto Siemons, MD for Medicare patients.

diagnostic procedures	88
doctor visit	312
gastrointestinal procedures	338
hospital care	11
inpatient care	11
lab tests	11
minimally invasive procedures	229
preventive care	21
removal of lesion (e.g. growth)	88

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Otto Siemons, MD.

**Gender**
Male	135
Female	124

**Ethnicity**
Non-Hispanic White	229
Black	11
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	120
From 75 to 84	97
85 and over	31
Less than 65	11

Conditions of Medicare patients treated by Dr. Gary Otto Siemons, MD in 2020

Hypertension	61
High Cholesterol	67
Stroke	6
Ischemic Heart Disease	35
Depression	13
Chronic Kidney Disease	22
Asthma	7
Osteoperosis	7
Atrial Fibrilation	13
Heart Failure	12
Chronic Obstructive Pulmonary Disease	7
Diabetes	27
Dementia	6
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gary Otto Siemons, MD treated as a colon and rectal surgeon in Voorhees, NJ during 2021 were gastrointestinal procedures, minimally invasive procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gary Otto Siemons, MD for Medicare patients.

diagnostic procedures	103
doctor visit	248
gastrointestinal procedures	256
lab tests	12
minimally invasive procedures	195
preventive care	18
removal of lesion (e.g. growth)	103

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Otto Siemons, MD.

**Gender**
Male	120
Female	118

**Ethnicity**
Non-Hispanic White	208
Black	11
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	119
From 75 to 84	91
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gary Otto Siemons, MD in 2021

Hypertension	65
High Cholesterol	68
Stroke	5
Ischemic Heart Disease	35
Depression	16
Chronic Kidney Disease	22
Asthma	5
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	8
Chronic Obstructive Pulmonary Disease	7
Diabetes	26
Dementia	5
Cancer	17

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. Gary Otto Siemons, MD in 2022

Hypertension	75
High Cholesterol	75
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. Gary Otto Siemons, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gary Otto Siemons, MD treated as a colon and rectal surgeon in Voorhees, NJ were gastrointestinal procedures, minimally invasive procedures, removal of lesion (e.g. growth) and diagnostic procedures.

diagnostic procedures	129
doctor visit	365
gastrointestinal procedures	442
hospital care	40
inpatient care	40
lab tests	17
minimally invasive procedures	336
preventive care	59
removal of lesion (e.g. growth)	129

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Gary Otto Siemons, MD.

**Gender**
Male	160
Female	157

**Ethnicity**
Black / African American	10
Asian / Pacific Islander	0
Non-Hispanic White	288
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	113
85 and over	35
Less than 65	16
65 to 74	150

Average of Total of Conditions of Medicare patients treated by Dr. Gary Otto Siemons, MD From 2012 - 2022

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

Hypertension	61
High Cholesterol	61
Stroke	3
Ischemic Heart Disease	27
Depression	12
Chronic Kidney Disease	18
Asthma	6
Osteoporosis	7
Heart Failure	9
Chronic Obstructive Pulmonary Disease	7
Diabetes	22
Atrial Fibrillation	9
Dementia	5
Cancer	15

Education & Training

He has a state license in New Jersey.

Licensed In: New Jersey

Ratings & Reviews

Dr. Gary Otto Siemons, MD has an exceptional overall rating with an average of 4.88 out of 5 stars based on 4 ratings. We collect ratings and reviews of Dr. Gary Otto Siemons, MD from all over the web to help you find the right in Voorhees, NJ.

4.88

Overall Rating

(4 Ratings)

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General Payments

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

**Payments by Company**
Novadaq Technologies Inc.	$2,392 LUNA $2,379	DERMACELL $12
LIFECELL CORPORATION	$1,739 AlloDerm $1,739
Braintree Laboratories, Inc.	$370 SUPREP $307	SUPREP BOWEL PREP $51	SUTAB $11
Valeant Pharmaceuticals North America LLC	$341 Uceris $186	XIFAXAN $48	XIFIXAN $40	UCERIS FOAM $29	APRISO $20	Other $18
Salix Pharmaceuticals, a division of Bausch Health US, LLC	$320 XIFAXAN $207	XIFIXAN $41	UCERIS FOAM $30	UCERIS TABLETS $15	APRISO $14	Other $12
Other	$1,303 PREPOPIK $158	ThunderBeat $157	Orthobiologics $148	Exparel $133	Moviprep $127	Other $580

**Types of Payments**
Travel and Lodging	$3,310
Food and Beverage	$3,139
Education	$15

Research Payments

Dr. Gary Otto Siemons, MD has received 1 research payments totaling $600.

Biography

Dr. Gary Siemons specializes in colon & rectal surgery. He is rated 5.0 stars (out of 5) by his patients.

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Dr. Gary Otto Siemons, 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. Gary Otto Siemons, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gary Otto Siemons, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gary Otto Siemons, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gary Otto Siemons, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gary Otto Siemons, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gary Otto Siemons, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gary Otto Siemons, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gary Otto Siemons, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gary Otto Siemons, MD in 2021

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. Gary Otto Siemons, 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. Gary Otto Siemons, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Research Payments

Biography

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