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Home > ME Providers > Surgical Oncologists

Dr. Marc Lafrance Demers, MD

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Specializes in: General Surgery and Surgical Oncology (Cancer Surgery)

887 Congress Street Suite 400
Portland, ME 04102

(207) 373-6000

Dr. Marc Lafrance Demers, MD is a general surgeon in Portland, ME specializing in general surgery and surgical oncology (cancer surgery).

Office Locations

887 Congress Street Suite 400
Portland, ME 04102

(207) 373-6000

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93 Campus Avenue I2 Wing
Lewiston, ME 04240

(207) 777-8650

(207) 777-8641

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Marc Lafrance Demers, MD treated as a general surgeon in Portland, ME during 2012 were open surgery, diagnostic procedures, excision and breast procedures.

Volume of procedures performed by Dr. Marc Lafrance Demers, MD for Medicare patients.

breast procedures	13
diagnostic procedures	25
doctor visit	162
excision	25
lymph node procedures	12
open surgery	25

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Marc Lafrance Demers, MD for Medicare patients.

doctor visit	126

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Marc Lafrance Demers, MD.

**Gender**
Male	41
Female	93

**Ethnicity**
Non-Hispanic White	103
Black	13
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	59
From 75 to 84	46
85 and over	13
Less than 65	16

Conditions of Medicare patients treated by Dr. Marc Lafrance Demers, MD in 2013

Hypertension	73
High Cholesterol	70
Stroke	0
Ischemic Heart Disease	43
Depression	22
Chronic Kidney Disease	25
Asthma	11
Osteoperosis	14
Atrial Fibrilation	17
Heart Failure	14
Chronic Obstructive Pulmonary Disease	12
Diabetes	36
Dementia	0
Cancer	38

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Marc Lafrance Demers, MD treated as a general surgeon in Portland, ME during 2014 were lymph node procedures, open surgery, diagnostic procedures and excision.

Volume of procedures performed by Dr. Marc Lafrance Demers, MD for Medicare patients.

diagnostic procedures	11
doctor visit	137
excision	11
lymph node procedures	24
open surgery	11

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Marc Lafrance Demers, MD.

**Gender**
Male	50
Female	79

**Ethnicity**
Non-Hispanic White	103
Black	12
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	64
From 75 to 84	38
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Marc Lafrance Demers, MD in 2014

Hypertension	75
High Cholesterol	70
Stroke	0
Ischemic Heart Disease	43
Depression	25
Chronic Kidney Disease	22
Asthma	12
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	20
Chronic Obstructive Pulmonary Disease	10
Diabetes	35
Dementia	0
Cancer	35

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Marc Lafrance Demers, MD treated as a general surgeon in Portland, ME during 2015 were lymph node procedures, open surgery, diagnostic procedures and excision.

Volume of procedures performed by Dr. Marc Lafrance Demers, MD for Medicare patients.

breast procedures	11
diagnostic procedures	23
doctor visit	156
excision	23
lymph node procedures	25
open surgery	23

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Marc Lafrance Demers, MD.

**Gender**
Male	74
Female	192

**Ethnicity**
Non-Hispanic White	202
Black	0
Hispanic	30
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	150
From 75 to 84	62
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Marc Lafrance Demers, MD in 2015

Hypertension	69
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	34
Depression	21
Chronic Kidney Disease	22
Asthma	14
Osteoperosis	13
Atrial Fibrilation	0
Heart Failure	14
Chronic Obstructive Pulmonary Disease	11
Diabetes	32
Dementia	0
Cancer	31

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Marc Lafrance Demers, MD treated as a general surgeon in Portland, ME during 2016 were aspiration, open surgery, diagnostic procedures and lymph node procedures.

Volume of procedures performed by Dr. Marc Lafrance Demers, MD for Medicare patients.

aspiration	35
diagnostic procedures	11
doctor visit	105
excision	11
lymph node procedures	11
open surgery	11

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Marc Lafrance Demers, MD.

**Gender**
Male	42
Female	63

**Ethnicity**
Non-Hispanic White	75
Black	13
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	50
From 75 to 84	25
85 and over	12
Less than 65	18

Conditions of Medicare patients treated by Dr. Marc Lafrance Demers, MD in 2016

Hypertension	75
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	47
Depression	19
Chronic Kidney Disease	27
Asthma	13
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	19
Chronic Obstructive Pulmonary Disease	0
Diabetes	38
Dementia	0
Cancer	38

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Marc Lafrance Demers, MD treated as a general surgeon in Portland, ME during 2017 were lymph node procedures, excision, aspiration and open surgery.

Volume of procedures performed by Dr. Marc Lafrance Demers, MD for Medicare patients.

aspiration	21
breast procedures	12
cancer surgery	12
diagnostic procedures	17
doctor visit	140
excision	29
lymph node procedures	34
open surgery	17

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Marc Lafrance Demers, MD.

**Gender**
Male	41
Female	87

**Ethnicity**
Non-Hispanic White	96
Black	19
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	76
From 75 to 84	25
85 and over	12
Less than 65	15

Conditions of Medicare patients treated by Dr. Marc Lafrance Demers, MD in 2017

Hypertension	73
High Cholesterol	60
Stroke	0
Ischemic Heart Disease	32
Depression	25
Chronic Kidney Disease	26
Asthma	9
Osteoperosis	10
Atrial Fibrilation	0
Heart Failure	13
Chronic Obstructive Pulmonary Disease	0
Diabetes	33
Dementia	0
Cancer	41

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Marc Lafrance Demers, MD treated as a general surgeon in Portland, ME during 2018 were lymph node procedures, excision, open surgery and diagnostic procedures.

Volume of procedures performed by Dr. Marc Lafrance Demers, MD for Medicare patients.

breast procedures	14
cancer surgery	14
catheterization	11
diagnostic procedures	19
doctor visit	144
excision	33
lymph node procedures	38
open surgery	19

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Marc Lafrance Demers, MD.

**Gender**
Male	27
Female	92

**Ethnicity**
Non-Hispanic White	88
Black	13
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	72
From 75 to 84	22
85 and over	11
Less than 65	14

Conditions of Medicare patients treated by Dr. Marc Lafrance Demers, MD in 2018

Hypertension	73
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	36
Depression	26
Chronic Kidney Disease	32
Asthma	18
Osteoperosis	10
Atrial Fibrilation	0
Heart Failure	11
Chronic Obstructive Pulmonary Disease	13
Diabetes	29
Dementia	0
Cancer	49

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Marc Lafrance Demers, MD treated as a general surgeon in Portland, ME during 2019 were lymph node procedures, open surgery, diagnostic procedures and excision.

Volume of procedures performed by Dr. Marc Lafrance Demers, MD for Medicare patients.

diagnostic procedures	15
doctor visit	128
excision	15
lymph node procedures	32
open surgery	15

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Marc Lafrance Demers, MD.

**Gender**
Male	34
Female	70

**Ethnicity**
Non-Hispanic White	74
Black	0
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	58
From 75 to 84	25
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Marc Lafrance Demers, MD in 2019

Hypertension	75
High Cholesterol	74
Stroke	0
Ischemic Heart Disease	48
Depression	15
Chronic Kidney Disease	37
Asthma	16
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	16
Chronic Obstructive Pulmonary Disease	20
Diabetes	32
Dementia	0
Cancer	41

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Marc Lafrance Demers, MD treated as a general surgeon in Portland, ME during 2020 were open surgery, diagnostic procedures, lymph node procedures and excision.

Volume of procedures performed by Dr. Marc Lafrance Demers, MD for Medicare patients.

diagnostic procedures	11
doctor visit	31
excision	11
lymph node procedures	11
open surgery	11

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Marc Lafrance Demers, MD.

**Gender**
Male	17
Female	35

**Ethnicity**
Non-Hispanic White	37
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	26
From 75 to 84	14
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Marc Lafrance Demers, MD in 2020

Hypertension	67
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	44
Depression	23
Chronic Kidney Disease	21
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	27
Dementia	0
Cancer	52

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. Marc Lafrance Demers, MD for Medicare patients.

doctor visit	38

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Marc Lafrance Demers, MD.

**Age**
From 65 to 74	17
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Marc Lafrance Demers, MD in 2021

Hypertension	62
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	0
Depression	32
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	30
Dementia	0
Cancer	41

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. Marc Lafrance Demers, MD for Medicare patients.

doctor visit	14

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Marc Lafrance Demers, MD.

**Ethnicity**
Non-Hispanic White	24
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	12
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Marc Lafrance Demers, MD in 2022

Hypertension	71
High Cholesterol	50
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	46

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Marc Lafrance Demers, MD for Medicare patients.

The highest averages for the top procedures that Dr. Marc Lafrance Demers, MD treated as a general surgeon in Portland, ME were aspiration, lymph node procedures, excision and open surgery.

aspiration	28
breast procedures	12
cancer surgery	13
catheterization	11
diagnostic procedures	16
doctor visit	107
excision	19
lymph node procedures	23
open surgery	16

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Marc Lafrance Demers, MD.

**Gender**
Male	29
Female	64

**Ethnicity**
Black / African American	6
Asian / Pacific Islander	0
Non-Hispanic White	72
Hispanic	4
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	23
85 and over	4
Less than 65	5
65 to 74	53

Average of Total of Conditions of Medicare patients treated by Dr. Marc Lafrance Demers, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Marc Lafrance Demers, MD treated were hypertension, high cholesterol, cancer and ischemic heart disease.

Hypertension	64
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	29
Depression	18
Chronic Kidney Disease	19
Asthma	8
Osteoporosis	5
Heart Failure	9
Chronic Obstructive Pulmonary Disease	6
Diabetes	26
Atrial Fibrillation	3
Cancer	37
Dementia	0

Education & Training

He has a state license in Maine.

Licensed In: Maine

Ratings & Reviews

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General Payments

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

**Payments by Company**
Pacira Pharmaceuticals Incorporated	$209 Exparel $209
Medical Device Business Services, Inc.	$200 SURGIFLO Hemostatic Matrix Family of Products $100	$100
ACell, Inc.	$187 $187
Novadaq Technologies Inc.	$148 DERMACELL $148
Intuitive Surgical, Inc.	$110 Da Vinci Surgical System $110
Other	$332 AirSeal $71	SURGICAL $35	ELITE $30	AlloDerm $24	Vascular $23	Other $148

**Types of Payments**
Food and Beverage	$1,092
Travel and Lodging	$94

Biography

Dr. Marc Demers, who practices in Portland, ME and Lewiston, ME, is a medical specialist in general surgery and surgical oncology (cancer surgery). Dr. Demers obtained a license to practice in Florida.