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Home > OH Providers > Cardiothoracic Surgeons

Dr. Gary Louis Parenteau, MD

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Specializes in: Cardiothoracic Surgery

730 W Market Street Suite 2k
Lima, OH 45801

(419) 996-4011

Dr. Gary Louis Parenteau, MD is a cardiothoracic surgeon in Lima, OH specializing in cardiothoracic surgery.

Office Locations

730 W Market Street Suite 2k
Lima, OH 45801

(419) 996-4011

(419) 996-4012

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1900 S Main Street Cds Room 3349
Findlay, OH 45840

(419) 423-3188

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3000 Arlington Avenue
Toledo, OH 43614

(419) 383-5150

(419) 383-3149

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Gary Louis Parenteau, MD treated as a cardiothoracic surgeon in Lima, OH during 2012 were cardiac procedures, thoracic (chest) surgery procedures, open surgery and endarterectomy.

Volume of procedures performed by Dr. Gary Louis Parenteau, MD for Medicare patients.

bypass surgery	12
cardiac procedures	35
doctor visit	126
endarterectomy	20
implant surgery	11
implantable cardioverter-defibrillator (ICD) replacement	11
minimally invasive procedures	11
neck surgery	20
open surgery	24
thoracic (chest) surgery procedures	24
vascular procedures	20

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gary Louis Parenteau, MD treated as a cardiothoracic surgeon in Lima, OH during 2013 were thoracic (chest) surgery procedures, open surgery, cardiac procedures and endarterectomy.

Volume of procedures performed by Dr. Gary Louis Parenteau, MD for Medicare patients.

bypass surgery	14
cardiac procedures	28
doctor visit	77
endarterectomy	24
implantable cardioverter-defibrillator (ICD) replacement	11
neck surgery	24
open surgery	28
thoracic (chest) surgery procedures	28
vascular procedures	24

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Louis Parenteau, MD.

**Gender**
Male	82
Female	48

**Age**
From 65 to 74	53
From 75 to 84	48
85 and over	13
Less than 65	16

Conditions of Medicare patients treated by Dr. Gary Louis Parenteau, MD in 2013

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	74
Depression	20
Chronic Kidney Disease	49
Asthma	0
Osteoperosis	0
Atrial Fibrilation	22
Heart Failure	37
Chronic Obstructive Pulmonary Disease	33
Diabetes	45
Dementia	0
Cancer	16

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gary Louis Parenteau, MD treated as a cardiothoracic surgeon in Lima, OH during 2014 were thoracic (chest) surgery procedures, open surgery, cardiac procedures and endarterectomy.

Volume of procedures performed by Dr. Gary Louis Parenteau, MD for Medicare patients.

bypass surgery	17
cardiac procedures	34
doctor visit	94
endarterectomy	29
hospital care	12
inpatient care	12
neck surgery	29
open surgery	34
thoracic (chest) surgery procedures	34
vascular procedures	29

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Louis Parenteau, MD.

**Gender**
Male	88
Female	52

**Age**
From 65 to 74	45
From 75 to 84	64
85 and over	13
Less than 65	18

Conditions of Medicare patients treated by Dr. Gary Louis Parenteau, MD in 2014

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	71
Depression	19
Chronic Kidney Disease	41
Asthma	0
Osteoperosis	0
Atrial Fibrilation	31
Heart Failure	31
Chronic Obstructive Pulmonary Disease	27
Diabetes	41
Dementia	0
Cancer	18

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gary Louis Parenteau, MD treated as a cardiothoracic surgeon in Lima, OH during 2015 were thoracic (chest) surgery procedures, open surgery, cardiac procedures and bypass surgery.

Volume of procedures performed by Dr. Gary Louis Parenteau, MD for Medicare patients.

bypass surgery	21
cardiac procedures	42
doctor visit	125
endarterectomy	19
implantable cardioverter-defibrillator (ICD) replacement	12
neck surgery	19
open surgery	42
thoracic (chest) surgery procedures	42
vascular procedures	19

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Louis Parenteau, MD.

**Gender**
Male	198
Female	148

**Ethnicity**
Non-Hispanic White	324
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	160
From 75 to 84	116
85 and over	30
Less than 65	40

Conditions of Medicare patients treated by Dr. Gary Louis Parenteau, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	70
Depression	25
Chronic Kidney Disease	37
Asthma	23
Osteoperosis	0
Atrial Fibrilation	18
Heart Failure	29
Chronic Obstructive Pulmonary Disease	33
Diabetes	50
Dementia	6
Cancer	18

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gary Louis Parenteau, MD treated as a cardiothoracic surgeon in Lima, OH during 2016 were thoracic (chest) surgery procedures, open surgery, cardiac procedures and endarterectomy.

Volume of procedures performed by Dr. Gary Louis Parenteau, MD for Medicare patients.

bypass surgery	21
cardiac procedures	42
doctor visit	150
endarterectomy	25
neck surgery	25
open surgery	42
thoracic (chest) surgery procedures	42
vascular procedures	25

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Louis Parenteau, MD.

**Gender**
Male	96
Female	77

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

**Age**
From 65 to 74	67
From 75 to 84	60
85 and over	22
Less than 65	24

Conditions of Medicare patients treated by Dr. Gary Louis Parenteau, MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	63
Depression	18
Chronic Kidney Disease	47
Asthma	29
Osteoperosis	9
Atrial Fibrilation	20
Heart Failure	31
Chronic Obstructive Pulmonary Disease	28
Diabetes	47
Dementia	9
Cancer	19

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gary Louis Parenteau, MD treated as a cardiothoracic surgeon in Lima, OH during 2017 were thoracic (chest) surgery procedures, open surgery, cardiac procedures and hospital care.

Volume of procedures performed by Dr. Gary Louis Parenteau, MD for Medicare patients.

bypass surgery	25
cardiac procedures	50
doctor visit	131
endarterectomy	29
hospital care	33
inpatient care	33
neck surgery	29
open surgery	50
thoracic (chest) surgery procedures	50
vascular procedures	29

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Louis Parenteau, MD.

**Gender**
Male	107
Female	60

**Age**
From 65 to 74	73
From 75 to 84	59
85 and over	21
Less than 65	14

Conditions of Medicare patients treated by Dr. Gary Louis Parenteau, MD in 2017

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	69
Depression	25
Chronic Kidney Disease	52
Asthma	0
Osteoperosis	0
Atrial Fibrilation	19
Heart Failure	29
Chronic Obstructive Pulmonary Disease	23
Diabetes	47
Dementia	11
Cancer	16

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gary Louis Parenteau, MD treated as a cardiothoracic surgeon in Lima, OH during 2018 were thoracic (chest) surgery procedures, open surgery, cardiac procedures and bypass surgery.

Volume of procedures performed by Dr. Gary Louis Parenteau, MD for Medicare patients.

bypass surgery	27
cardiac procedures	54
doctor visit	89
endarterectomy	21
neck surgery	21
open surgery	54
thoracic (chest) surgery procedures	54
vascular procedures	21

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Louis Parenteau, MD.

**Gender**
Male	79
Female	46

**Age**
From 65 to 74	58
From 75 to 84	39
85 and over	12
Less than 65	16

Conditions of Medicare patients treated by Dr. Gary Louis Parenteau, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	14
Ischemic Heart Disease	75
Depression	21
Chronic Kidney Disease	52
Asthma	0
Osteoperosis	0
Atrial Fibrilation	17
Heart Failure	29
Chronic Obstructive Pulmonary Disease	31
Diabetes	41
Dementia	0
Cancer	20

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. Gary Louis Parenteau, MD for Medicare patients.

doctor visit	12

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gary Louis Parenteau, MD.

**Gender**
Male	29
Female	33

**Age**
From 65 to 74	21
From 75 to 84	23
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gary Louis Parenteau, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	71
Depression	32
Chronic Kidney Disease	68
Asthma	0
Osteoperosis	0
Atrial Fibrilation	32
Heart Failure	44
Chronic Obstructive Pulmonary Disease	32
Diabetes	55
Dementia	23
Cancer	0

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. Gary Louis Parenteau, MD in 2022

Hypertension	75
High Cholesterol	71
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 Louis Parenteau, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gary Louis Parenteau, MD treated as a cardiothoracic surgeon in Lima, OH were cardiac procedures, thoracic (chest) surgery procedures, open surgery and endarterectomy.

bypass surgery	19
cardiac procedures	40
doctor visit	100
endarterectomy	23
hospital care	22
implant surgery	11
implantable cardioverter-defibrillator (ICD) replacement	11
inpatient care	22
minimally invasive procedures	11
neck surgery	23
open surgery	39
thoracic (chest) surgery procedures	39
vascular procedures	23

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Gary Louis Parenteau, MD.

**Gender**
Male	75
Female	51

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	53
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	45
85 and over	12
Less than 65	14
65 to 74	53

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

The highest averages of the most common conditions of Medicare patients that Dr. Gary Louis Parenteau, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	66
High Cholesterol	66
Stroke	9
Ischemic Heart Disease	54
Depression	17
Chronic Kidney Disease	38
Asthma	5
Osteoporosis	1
Heart Failure	25
Chronic Obstructive Pulmonary Disease	23
Diabetes	36
Atrial Fibrillation	17
Dementia	5
Cancer	11

Education & Training

He has a state license in Ohio.

Licensed In: Ohio

Ratings & Reviews

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General Payments

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

**Payments by Company**
Boston Scientific Corporation	$2,044 Tachy System $1,674	TACHY GENERATOR $181	Emblem S-ICD $117	TACHY LEAD $26	GENERAL - TACHY $21	Other $25
Medtronic Vascular, Inc.	$233 Cardiopulmonary $102	Endurant $64	Aortic Stent Grafts $26	Affinity $16	Bio-Pump $15	Other $11
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp)	$119 LifeVest $119
Edwards Lifesciences Corporation	$106 Pericardial Heart Valves $41	Carpentier-Edwards PERIMOUNT Magna Ease Pericardial Aortic Bioprosthesis $24	MITRIS RESILIA Mitral Valve $21	EDWARDS INTUITY Elite valve system $20
CryoLife, Inc.	$56 HeRO $56
Other	$163 Open Stapling $34	ELIQUIS $16	Vascular Surgery $15	Repatha $15	XENOSURE $15	Other $68