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Dr. Donald James McMahon, DO

Accepting New Patients

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Specializes in: Adult Gastroenterology

151 FRIES MILL ROAD SUITE 400
TURNERSVILLE, NJ 08012

(856) 536-1515

Dr. Donald James McMahon, DO is a gastroenterologist in TURNERSVILLE, NJ specializing in adult gastroenterology.

Office Locations

151 FRIES MILL ROAD SUITE 400
TURNERSVILLE, NJ 08012

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In The News

“Dr. Donald McMahon, a gastroenterologist at RowanSOM, said, in a person who has Celiac Disease, the body sees gluten - a protein found in wheat - as a foreign substance.”—"Celiac Disease: Medical student shares his story of being diagnosed as a teen", NJ.com, January 2015

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Donald James McMahon, DO treated as a gastroenterologist in TURNERSVILLE, NJ during 2012 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Donald James McMahon, DO for Medicare patients.

anastomosis	15
catheterization	15
diagnostic procedures	117
doctor visit	140
gastrointestinal procedures	152
hospital care	506
inpatient care	506
minimally invasive procedures	152
preventive care	20
removal of lesion (e.g. growth)	117

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Donald James McMahon, DO treated as a gastroenterologist in TURNERSVILLE, NJ during 2013 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Donald James McMahon, DO for Medicare patients.

anastomosis	12
balloon dilation	18
catheterization	12
diagnostic procedures	105
doctor visit	128
gastrointestinal procedures	212
hospital care	303
inpatient care	303
minimally invasive procedures	212
preventive care	15
removal of lesion (e.g. growth)	105

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald James McMahon, DO.

**Gender**
Male	194
Female	219

**Ethnicity**
Non-Hispanic White	319
Black	66
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	139
From 75 to 84	111
85 and over	68
Less than 65	95

Conditions of Medicare patients treated by Dr. Donald James McMahon, DO in 2013

Hypertension	75
High Cholesterol	68
Stroke	15
Ischemic Heart Disease	63
Depression	39
Chronic Kidney Disease	52
Asthma	15
Osteoperosis	10
Atrial Fibrilation	25
Heart Failure	40
Chronic Obstructive Pulmonary Disease	33
Diabetes	49
Dementia	26
Cancer	19

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Donald James McMahon, DO treated as a gastroenterologist in TURNERSVILLE, NJ during 2014 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Donald James McMahon, DO for Medicare patients.

diagnostic procedures	109
doctor visit	169
gastrointestinal procedures	188
hospital care	342
inpatient care	342
minimally invasive procedures	188
preventive care	13
removal of lesion (e.g. growth)	109
stent placement (stenting)	12

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald James McMahon, DO.

**Gender**
Male	189
Female	257

**Ethnicity**
Non-Hispanic White	351
Black	71
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	153
From 75 to 84	121
85 and over	74
Less than 65	98

Conditions of Medicare patients treated by Dr. Donald James McMahon, DO in 2014

Hypertension	75
High Cholesterol	71
Stroke	17
Ischemic Heart Disease	61
Depression	34
Chronic Kidney Disease	54
Asthma	13
Osteoperosis	9
Atrial Fibrilation	23
Heart Failure	37
Chronic Obstructive Pulmonary Disease	30
Diabetes	50
Dementia	24
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Donald James McMahon, DO treated as a gastroenterologist in TURNERSVILLE, NJ during 2015 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Donald James McMahon, DO for Medicare patients.

diagnostic procedures	122
doctor visit	207
gastrointestinal procedures	227
hospital care	376
inpatient care	376
minimally invasive procedures	227
preventive care	29
removal of lesion (e.g. growth)	122
stent placement (stenting)	24

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald James McMahon, DO.

**Gender**
Male	448
Female	636

**Ethnicity**
Non-Hispanic White	798
Black	196
Hispanic	58
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	334
From 75 to 84	276
85 and over	194
Less than 65	280

Conditions of Medicare patients treated by Dr. Donald James McMahon, DO in 2015

Hypertension	75
High Cholesterol	69
Stroke	16
Ischemic Heart Disease	56
Depression	40
Chronic Kidney Disease	54
Asthma	26
Osteoperosis	11
Atrial Fibrilation	21
Heart Failure	38
Chronic Obstructive Pulmonary Disease	31
Diabetes	49
Dementia	24
Cancer	16

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Donald James McMahon, DO treated as a gastroenterologist in TURNERSVILLE, NJ during 2016 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Donald James McMahon, DO for Medicare patients.

diagnostic procedures	147
doctor visit	251
foreign body removal	16
gastrointestinal procedures	217
hospital care	517
inpatient care	517
minimally invasive procedures	217
preventive care	36
removal of lesion (e.g. growth)	147
stent placement (stenting)	18

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald James McMahon, DO.

**Gender**
Male	238
Female	338

**Ethnicity**
Non-Hispanic White	447
Black	96
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	192
From 75 to 84	157
85 and over	74
Less than 65	153

Conditions of Medicare patients treated by Dr. Donald James McMahon, DO in 2016

Hypertension	75
High Cholesterol	68
Stroke	14
Ischemic Heart Disease	54
Depression	39
Chronic Kidney Disease	55
Asthma	37
Osteoperosis	7
Atrial Fibrilation	22
Heart Failure	39
Chronic Obstructive Pulmonary Disease	32
Diabetes	45
Dementia	26
Cancer	17

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Donald James McMahon, DO treated as a gastroenterologist in TURNERSVILLE, NJ during 2017 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Donald James McMahon, DO for Medicare patients.

diagnostic procedures	135
doctor visit	274
foreign body removal	17
gastrointestinal procedures	205
hospital care	662
inpatient care	662
minimally invasive procedures	205
preventive care	36
removal of lesion (e.g. growth)	135
stent placement (stenting)	17

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald James McMahon, DO.

**Gender**
Male	267
Female	411

**Ethnicity**
Non-Hispanic White	511
Black	107
Hispanic	38
Asian	11
Other	11
Native American	0

**Age**
From 65 to 74	245
From 75 to 84	189
85 and over	84
Less than 65	160

Conditions of Medicare patients treated by Dr. Donald James McMahon, DO in 2017

Hypertension	75
High Cholesterol	69
Stroke	16
Ischemic Heart Disease	56
Depression	43
Chronic Kidney Disease	64
Asthma	17
Osteoperosis	7
Atrial Fibrilation	21
Heart Failure	39
Chronic Obstructive Pulmonary Disease	30
Diabetes	50
Dementia	25
Cancer	17

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Donald James McMahon, DO treated as a gastroenterologist in TURNERSVILLE, NJ during 2018 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Donald James McMahon, DO for Medicare patients.

diagnostic procedures	112
doctor visit	204
foreign body removal	16
gastrointestinal procedures	178
hospital care	807
inpatient care	807
minimally invasive procedures	178
preventive care	25
removal of lesion (e.g. growth)	112
stent placement (stenting)	13

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald James McMahon, DO.

**Gender**
Male	286
Female	429

**Ethnicity**
Non-Hispanic White	557
Black	114
Hispanic	27
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	246
From 75 to 84	193
85 and over	123
Less than 65	153

Conditions of Medicare patients treated by Dr. Donald James McMahon, DO in 2018

Hypertension	75
High Cholesterol	71
Stroke	14
Ischemic Heart Disease	53
Depression	41
Chronic Kidney Disease	62
Asthma	17
Osteoperosis	8
Atrial Fibrilation	24
Heart Failure	37
Chronic Obstructive Pulmonary Disease	31
Diabetes	47
Dementia	27
Cancer	18

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Donald James McMahon, DO treated as a gastroenterologist in TURNERSVILLE, NJ during 2019 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Donald James McMahon, DO for Medicare patients.

diagnostic procedures	117
doctor visit	157
gastrointestinal procedures	214
hospital care	678
inpatient care	678
minimally invasive procedures	214
preventive care	13
removal of lesion (e.g. growth)	117
stent placement (stenting)	25

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald James McMahon, DO.

**Gender**
Male	255
Female	403

**Ethnicity**
Non-Hispanic White	506
Black	99
Hispanic	33
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	225
From 75 to 84	170
85 and over	129
Less than 65	134

Conditions of Medicare patients treated by Dr. Donald James McMahon, DO in 2019

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	54
Depression	43
Chronic Kidney Disease	62
Asthma	16
Osteoperosis	11
Atrial Fibrilation	23
Heart Failure	39
Chronic Obstructive Pulmonary Disease	30
Diabetes	46
Dementia	27
Cancer	17

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Donald James McMahon, DO treated as a gastroenterologist in TURNERSVILLE, NJ during 2020 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Donald James McMahon, DO for Medicare patients.

diagnostic procedures	121
doctor visit	166
gastrointestinal procedures	179
hospital care	636
inpatient care	636
minimally invasive procedures	179
preventive care	29
removal of lesion (e.g. growth)	121
stent placement (stenting)	12

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald James McMahon, DO.

**Gender**
Male	227
Female	303

**Ethnicity**
Non-Hispanic White	418
Black	72
Hispanic	29
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	193
From 75 to 84	150
85 and over	90
Less than 65	97

Conditions of Medicare patients treated by Dr. Donald James McMahon, DO in 2020

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	50
Depression	39
Chronic Kidney Disease	58
Asthma	15
Osteoperosis	11
Atrial Fibrilation	24
Heart Failure	35
Chronic Obstructive Pulmonary Disease	29
Diabetes	44
Dementia	26
Cancer	18

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Donald James McMahon, DO treated as a gastroenterologist in TURNERSVILLE, NJ during 2021 were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Donald James McMahon, DO for Medicare patients.

diagnostic procedures	111
doctor visit	191
gastrointestinal procedures	176
hospital care	465
inpatient care	465
minimally invasive procedures	176
preventive care	28
removal of lesion (e.g. growth)	111
stent placement (stenting)	16

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald James McMahon, DO.

**Gender**
Male	193
Female	285

**Ethnicity**
Non-Hispanic White	397
Black	54
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	164
From 75 to 84	141
85 and over	86
Less than 65	87

Conditions of Medicare patients treated by Dr. Donald James McMahon, DO in 2021

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	54
Depression	42
Chronic Kidney Disease	62
Asthma	14
Osteoperosis	10
Atrial Fibrilation	27
Heart Failure	41
Chronic Obstructive Pulmonary Disease	30
Diabetes	46
Dementia	28
Cancer	16

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Donald James McMahon, DO treated as a gastroenterologist in TURNERSVILLE, NJ during 2022 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Donald James McMahon, DO for Medicare patients.

diagnostic procedures	56
doctor visit	219
gastrointestinal procedures	76
minimally invasive procedures	76
preventive care	20
removal of lesion (e.g. growth)	56

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Donald James McMahon, DO.

**Gender**
Male	70
Female	120

**Ethnicity**
Non-Hispanic White	159
Black	18
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	101
From 75 to 84	48
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Donald James McMahon, DO in 2022

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	26
Depression	16
Chronic Kidney Disease	17
Asthma	14
Osteoperosis	18
Atrial Fibrilation	14
Heart Failure	15
Chronic Obstructive Pulmonary Disease	14
Diabetes	33
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Donald James McMahon, DO for Medicare patients.

The highest averages for the top procedures that Dr. Donald James McMahon, DO treated as a gastroenterologist in TURNERSVILLE, NJ were hospital care, inpatient care, minimally invasive procedures and gastrointestinal procedures.

anastomosis	13
balloon dilation	18
catheterization	13
diagnostic procedures	113
doctor visit	191
foreign body removal	16
gastrointestinal procedures	184
hospital care	529
inpatient care	529
minimally invasive procedures	184
preventive care	24
removal of lesion (e.g. growth)	113
stent placement (stenting)	17

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Donald James McMahon, DO.

**Gender**
Male	215
Female	309

**Ethnicity**
Black / African American	81
Asian / Pacific Islander	1
Non-Hispanic White	405
Native American / Alaskan Native	0
Hispanic	21
Other	1

**Age**
75 to 84	141
85 and over	83
Less than 65	114
65 to 74	181

Average of Total of Conditions of Medicare patients treated by Dr. Donald James McMahon, DO From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Donald James McMahon, DO treated were hypertension, high cholesterol, chronic kidney disease and ischemic heart disease.

Hypertension	68
High Cholesterol	65
Stroke	13
Ischemic Heart Disease	47
Depression	34
Chronic Kidney Disease	49
Asthma	16
Osteoporosis	9
Heart Failure	32
Chronic Obstructive Pulmonary Disease	26
Diabetes	41
Atrial Fibrillation	20
Dementia	21
Cancer	15

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. Donald James McMahon, DO. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
AbbVie, Inc.	$202 Humira $110	Viekira $75	$17
Valeant Pharmaceuticals North America LLC	$137 XIFAXAN $91	XIFAXANIBSD $46
Janssen Biotech, Inc.	$132 SIMPONI $103	STELARA $29
Given Imaging, Inc.	$106 GI Solutions $106
Covidien LP	$104 Smart Pill $104
Other	$454 Lotronex $91	GI Solutions $86	ENTYVIO $59	VIBERZI $29	COLOGUARD $29	Other $161

**Types of Payments**
Food and Beverage	$1,119
Education	$16

Biography

Dr. Donald McMahon is a Turnersville, NJ physician who specializes in adult gastroenterology. He is a graduate of Lake Erie College of Osteopathic Medicine. Doctor.com reports that Dr. McMahon is accepting new patients at his office in TURNERSVILLE, NJ.