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Dr. Gregory Thomas Marshall, MD

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Specializes in: General Surgery

181 Franklin Health Commons
Farmington, ME 04938

(207) 778-6579

Dr. Gregory Thomas Marshall, MD is a general surgeon in Farmington, ME specializing in general surgery.

Office Locations

181 Franklin Health Commons
Farmington, ME 04938

(207) 778-6579

(207) 778-6409

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Gregory Thomas Marshall, MD treated as a general surgeon in Farmington, ME during 2012 were minimally invasive procedures, gastrointestinal procedures, preventive care and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Gregory Thomas Marshall, MD for Medicare patients.

diagnostic procedures	41
doctor visit	110
gastrointestinal procedures	93
hospital care	21
inpatient care	21
minimally invasive procedures	93
preventive care	52
removal of lesion (e.g. growth)	41

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gregory Thomas Marshall, MD treated as a general surgeon in Farmington, ME during 2013 were minimally invasive procedures, gastrointestinal procedures, preventive care and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Gregory Thomas Marshall, MD for Medicare patients.

diagnostic procedures	39
doctor visit	157
gastrointestinal procedures	98
hospital care	15
inpatient care	15
minimally invasive procedures	98
preventive care	59
removal of lesion (e.g. growth)	39

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Thomas Marshall, MD.

**Gender**
Male	102
Female	126

**Age**
From 65 to 74	83
From 75 to 84	70
85 and over	15
Less than 65	60

Conditions of Medicare patients treated by Dr. Gregory Thomas Marshall, MD in 2013

Hypertension	64
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	24
Depression	30
Chronic Kidney Disease	18
Asthma	9
Osteoperosis	0
Atrial Fibrilation	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	20
Diabetes	33
Dementia	8
Cancer	18

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gregory Thomas Marshall, MD treated as a general surgeon in Farmington, ME during 2014 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gregory Thomas Marshall, MD for Medicare patients.

diagnostic procedures	99
doctor visit	132
gastrointestinal procedures	171
hospital care	23
inpatient care	23
minimally invasive procedures	171
preventive care	72
removal of lesion (e.g. growth)	99

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Thomas Marshall, MD.

**Gender**
Male	137
Female	149

**Age**
From 65 to 74	114
From 75 to 84	75
85 and over	22
Less than 65	75

Conditions of Medicare patients treated by Dr. Gregory Thomas Marshall, MD in 2014

Hypertension	62
High Cholesterol	59
Stroke	4
Ischemic Heart Disease	29
Depression	29
Chronic Kidney Disease	17
Asthma	6
Osteoperosis	4
Atrial Fibrilation	9
Heart Failure	16
Chronic Obstructive Pulmonary Disease	19
Diabetes	29
Dementia	5
Cancer	17

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gregory Thomas Marshall, MD treated as a general surgeon in Farmington, ME during 2015 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gregory Thomas Marshall, MD for Medicare patients.

diagnostic procedures	91
doctor visit	105
gastrointestinal procedures	180
hospital care	16
inpatient care	16
minimally invasive procedures	180
preventive care	76
removal of lesion (e.g. growth)	91

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Thomas Marshall, MD.

**Gender**
Male	250
Female	276

**Age**
From 65 to 74	204
From 75 to 84	120
85 and over	52
Less than 65	150

Conditions of Medicare patients treated by Dr. Gregory Thomas Marshall, MD in 2015

Hypertension	59
High Cholesterol	55
Stroke	5
Ischemic Heart Disease	28
Depression	27
Chronic Kidney Disease	21
Asthma	11
Osteoperosis	5
Atrial Fibrilation	10
Heart Failure	14
Chronic Obstructive Pulmonary Disease	20
Diabetes	31
Dementia	0
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gregory Thomas Marshall, MD treated as a general surgeon in Farmington, ME during 2016 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gregory Thomas Marshall, MD for Medicare patients.

diagnostic procedures	112
doctor visit	105
gastrointestinal procedures	190
minimally invasive procedures	190
preventive care	78
removal of lesion (e.g. growth)	112

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Thomas Marshall, MD.

**Gender**
Male	125
Female	137

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

**Age**
From 65 to 74	124
From 75 to 84	54
85 and over	17
Less than 65	67

Conditions of Medicare patients treated by Dr. Gregory Thomas Marshall, MD in 2016

Hypertension	59
High Cholesterol	51
Stroke	5
Ischemic Heart Disease	21
Depression	23
Chronic Kidney Disease	16
Asthma	19
Osteoperosis	5
Atrial Fibrilation	7
Heart Failure	11
Chronic Obstructive Pulmonary Disease	18
Diabetes	31
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gregory Thomas Marshall, MD treated as a general surgeon in Farmington, ME during 2017 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gregory Thomas Marshall, MD for Medicare patients.

diagnostic procedures	73
doctor visit	79
gastrointestinal procedures	130
minimally invasive procedures	130
preventive care	57
removal of lesion (e.g. growth)	73

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Thomas Marshall, MD.

**Gender**
Male	88
Female	125

**Age**
From 65 to 74	103
From 75 to 84	50
85 and over	13
Less than 65	47

Conditions of Medicare patients treated by Dr. Gregory Thomas Marshall, MD in 2017

Hypertension	56
High Cholesterol	43
Stroke	0
Ischemic Heart Disease	23
Depression	15
Chronic Kidney Disease	21
Asthma	5
Osteoperosis	7
Atrial Fibrilation	8
Heart Failure	13
Chronic Obstructive Pulmonary Disease	13
Diabetes	30
Dementia	0
Cancer	16

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gregory Thomas Marshall, MD treated as a general surgeon in Farmington, ME during 2018 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gregory Thomas Marshall, MD for Medicare patients.

diagnostic procedures	60
doctor visit	99
gastrointestinal procedures	80
hospital care	11
inpatient care	11
minimally invasive procedures	80
preventive care	20
removal of lesion (e.g. growth)	60

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Thomas Marshall, MD.

**Gender**
Male	92
Female	84

**Age**
From 65 to 74	62
From 75 to 84	59
85 and over	13
Less than 65	42

Conditions of Medicare patients treated by Dr. Gregory Thomas Marshall, MD in 2018

Hypertension	59
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	30
Depression	22
Chronic Kidney Disease	28
Asthma	0
Osteoperosis	7
Atrial Fibrilation	10
Heart Failure	16
Chronic Obstructive Pulmonary Disease	21
Diabetes	28
Dementia	0
Cancer	16

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gregory Thomas Marshall, MD treated as a general surgeon in Farmington, ME during 2019 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gregory Thomas Marshall, MD for Medicare patients.

diagnostic procedures	53
doctor visit	65
gastrointestinal procedures	75
minimally invasive procedures	75
preventive care	22
removal of lesion (e.g. growth)	53

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Thomas Marshall, MD.

**Gender**
Male	73
Female	85

**Age**
From 65 to 74	63
From 75 to 84	43
85 and over	16
Less than 65	36

Conditions of Medicare patients treated by Dr. Gregory Thomas Marshall, MD in 2019

Hypertension	59
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	23
Depression	35
Chronic Kidney Disease	23
Asthma	15
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	12
Chronic Obstructive Pulmonary Disease	21
Diabetes	25
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gregory Thomas Marshall, MD treated as a general surgeon in Farmington, ME during 2020 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Gregory Thomas Marshall, MD for Medicare patients.

diagnostic procedures	14
gastrointestinal procedures	14
minimally invasive procedures	14
removal of lesion (e.g. growth)	14

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Thomas Marshall, MD.

**Gender**
Male	24
Female	20

**Age**
From 65 to 74	22
From 75 to 84	11
85 and over	0
Less than 65	11

Conditions of Medicare patients treated by Dr. Gregory Thomas Marshall, MD in 2020

Hypertension	41
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	0
Depression	34
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	25
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Thomas Marshall, MD.

**Gender**
Male	11
Female	18

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

Conditions of Medicare patients treated by Dr. Gregory Thomas Marshall, MD in 2021

Hypertension	55
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	0
Depression	38
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

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Thomas Marshall, MD.

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

Conditions of Medicare patients treated by Dr. Gregory Thomas Marshall, MD in 2022

Hypertension	0
High Cholesterol	72
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. Gregory Thomas Marshall, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gregory Thomas Marshall, MD treated as a general surgeon in Farmington, ME were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

diagnostic procedures	64
doctor visit	106
gastrointestinal procedures	114
hospital care	17
inpatient care	17
minimally invasive procedures	114
preventive care	54
removal of lesion (e.g. growth)	64

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Gregory Thomas Marshall, MD.

**Gender**
Female	92
Male	82

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	27
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
85 and over	13
75 to 84	43
Less than 65	44
65 to 74	70

Average of Total of Conditions of Medicare patients treated by Dr. Gregory Thomas Marshall, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Gregory Thomas Marshall, MD treated were high cholesterol, hypertension, depression and diabetes.

Hypertension	46
High Cholesterol	50
Stroke	1
Ischemic Heart Disease	16
Depression	23
Chronic Kidney Disease	13
Asthma	5
Osteoporosis	2
Heart Failure	8
Chronic Obstructive Pulmonary Disease	12
Diabetes	21
Atrial Fibrillation	5
Dementia	1
Cancer	9

Education & Training

He has a state license in Maine.

Licensed In: Maine

Ratings & Reviews

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Biography

Dr. G. Marshall is a specialist in general surgery. He works in Farmington, ME. Dr. Marshall obtained a license to practice in Maine.

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Dr. Gregory Thomas Marshall, 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. Gregory Thomas Marshall, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Thomas Marshall, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Thomas Marshall, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Thomas Marshall, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Thomas Marshall, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Thomas Marshall, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Thomas Marshall, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Thomas Marshall, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Thomas Marshall, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Thomas Marshall, 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. Gregory Thomas Marshall, MD From 2012 - 2022

Education & Training

Ratings & Reviews

Biography

Other Providers in Farmington, ME