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Home > CA Providers > Thoracic (Chest) Surgeons

Dr. Gregory Fontana, MD

(Dr. Gregory Fontana, M.D.)

(1 Rating)

Specializes in: Thoracic Surgery

215 W Janss Road
Thousand Oaks, CA 91360

(805) 852-9100

Dr. Gregory Fontana, MD is a thoracic surgeon in Thousand Oaks, CA specializing in thoracic surgery. Dr. Gregory Fontana, MD is affiliated with Los Robles Hospital & Medical Center.

Office Locations

215 W Janss Road
Thousand Oaks, CA 91360

(805) 852-9100

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227 West Janns Road Suite 340
Thousand Oaks, CA 91360

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In The News (see more mentions in the news)

“"This is a very interesting anatomical finding, and it's very unusual," said Dr. Gregory Fontana, chairman of the department of cardiothoracic surgery at Lenox Hill Hospital in New York City, who...”—"Motorcycle accident turns man's heart around in his chest", Fox News, March 2015

“Its new head of cardiothoracic surgery, Dr. Gregory Fontana, who was lured away from Cedars Sinai Medical Center in Los Angeles, is a pioneer in minimally invasive procedures.”—"Less invasive surgery keeps many in circulation", New York Daily News, July 2012

“"It would be extremely difficult - and illegal - to have trumped somebody further up on the list," said Dr. Gregory Fontana, chairman of cardiothoracic surgery at Lenox Hill Hospital in New York.”—"Dick Cheney adjusting well to new heart", Los Angeles Times, March 2012

Noteworthy Medicare Patient Procedures Performed by Dr. Gregory Fontana, MD in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 5%

By Affordability:

hospital care

inpatient care

In 2023, Dr. Gregory Fontana, MD had a list price for hospital care, and inpatient care that was lower than the list prices billed to Medicare by 95% of providers in related specialties within California. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 10%

By Affordability:

inpatient hospital care

In 2023, Dr. Gregory Fontana, MD had a list price for inpatient hospital care (for patient admitted to hospital) that was lower than the list prices billed to Medicare by 90% of providers in related specialties within California. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Gregory Fontana, MD treated as a thoracic surgeon in Thousand Oaks, CA during 2012 were cardiac procedures.

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

cardiac procedures	26
doctor visit	27

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gregory Fontana, MD treated as a thoracic surgeon in Thousand Oaks, CA during 2013 were cardiac procedures.

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

cardiac procedures	28
doctor visit	39

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Fontana, MD.

**Gender**
Male	39
Female	34

**Ethnicity**
Non-Hispanic White	57
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	24
From 75 to 84	0
85 and over	27
Less than 65	0

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

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	75
Depression	19
Chronic Kidney Disease	38
Asthma	0
Osteoperosis	0
Atrial Fibrilation	40
Heart Failure	74
Chronic Obstructive Pulmonary Disease	32
Diabetes	53
Dementia	15
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gregory Fontana, MD treated as a thoracic surgeon in Thousand Oaks, CA during 2014 were cardiac procedures, minimally invasive procedures and vascular procedures.

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

cardiac procedures	54
doctor visit	43
minimally invasive procedures	13
vascular procedures	13

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Fontana, MD.

**Gender**
Male	43
Female	28

**Ethnicity**
Non-Hispanic White	59
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	32
85 and over	20
Less than 65	0

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

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	75
Depression	23
Chronic Kidney Disease	49
Asthma	0
Osteoperosis	0
Atrial Fibrilation	55
Heart Failure	73
Chronic Obstructive Pulmonary Disease	25
Diabetes	59
Dementia	0
Cancer	24

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gregory Fontana, MD treated as a thoracic surgeon in Thousand Oaks, CA during 2016 were cardiac procedures, minimally invasive procedures and vascular procedures.

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

cardiac procedures	62
doctor visit	60
minimally invasive procedures	31
vascular procedures	31

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Fontana, MD.

**Gender**
Male	52
Female	21

**Age**
From 65 to 74	26
From 75 to 84	0
85 and over	23
Less than 65	0

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

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	75
Depression	32
Chronic Kidney Disease	56
Asthma	30
Osteoperosis	0
Atrial Fibrilation	49
Heart Failure	74
Chronic Obstructive Pulmonary Disease	26
Diabetes	45
Dementia	0
Cancer	22

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gregory Fontana, MD treated as a thoracic surgeon in Thousand Oaks, CA during 2017 were cardiac procedures, minimally invasive procedures, vascular procedures and thoracic (chest) surgery procedures.

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

bypass surgery	17
cardiac procedures	158
doctor visit	163
minimally invasive procedures	62
open surgery	34
thoracic (chest) surgery procedures	34
vascular procedures	62

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Fontana, MD.

**Gender**
Male	79
Female	59

**Age**
From 65 to 74	0
From 75 to 84	54
85 and over	47
Less than 65	0

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

Hypertension	75
High Cholesterol	75
Stroke	20
Ischemic Heart Disease	75
Depression	25
Chronic Kidney Disease	65
Asthma	13
Osteoperosis	9
Atrial Fibrilation	38
Heart Failure	75
Chronic Obstructive Pulmonary Disease	25
Diabetes	51
Dementia	17
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gregory Fontana, MD treated as a thoracic surgeon in Thousand Oaks, CA during 2018 were cardiac procedures, hospital care, inpatient care and minimally invasive procedures.

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

cardiac procedures	66
doctor visit	206
hospital care	49
inpatient care	49
minimally invasive procedures	33
vascular procedures	33

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Fontana, MD.

**Gender**
Male	75
Female	62

**Ethnicity**
Non-Hispanic White	124
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	32
From 75 to 84	56
85 and over	49
Less than 65	0

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

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	75
Depression	22
Chronic Kidney Disease	62
Asthma	14
Osteoperosis	12
Atrial Fibrilation	35
Heart Failure	74
Chronic Obstructive Pulmonary Disease	28
Diabetes	42
Dementia	16
Cancer	20

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gregory Fontana, MD treated as a thoracic surgeon in Thousand Oaks, CA during 2019 were cardiac procedures, hospital care, inpatient care and minimally invasive procedures.

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

bypass surgery	15
cardiac procedures	140
doctor visit	291
hospital care	92
inpatient care	92
minimally invasive procedures	55
open surgery	30
thoracic (chest) surgery procedures	30
vascular procedures	55

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Fontana, MD.

**Gender**
Male	123
Female	89

**Ethnicity**
Non-Hispanic White	194
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	88
85 and over	66
Less than 65	0

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

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	75
Depression	23
Chronic Kidney Disease	56
Asthma	13
Osteoperosis	12
Atrial Fibrilation	33
Heart Failure	70
Chronic Obstructive Pulmonary Disease	23
Diabetes	40
Dementia	18
Cancer	18

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gregory Fontana, MD treated as a thoracic surgeon in Thousand Oaks, CA during 2020 were hospital care, inpatient care, cardiac procedures and minimally invasive procedures.

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

cardiac procedures	118
doctor visit	262
hospital care	173
inpatient care	173
minimally invasive procedures	59
vascular procedures	48

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Fontana, MD.

**Gender**
Male	140
Female	80

**Ethnicity**
Non-Hispanic White	191
Black	0
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	104
85 and over	62
Less than 65	0

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

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	75
Depression	22
Chronic Kidney Disease	56
Asthma	9
Osteoperosis	14
Atrial Fibrilation	38
Heart Failure	75
Chronic Obstructive Pulmonary Disease	24
Diabetes	48
Dementia	19
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gregory Fontana, MD treated as a thoracic surgeon in Thousand Oaks, CA during 2021 were hospital care, inpatient care, cardiac procedures and minimally invasive procedures.

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

cardiac procedures	78
doctor visit	227
hospital care	101
inpatient care	101
minimally invasive procedures	39
vascular procedures	39

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Fontana, MD.

**Gender**
Male	121
Female	83

**Ethnicity**
Non-Hispanic White	178
Black	0
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	101
85 and over	55
Less than 65	0

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

Hypertension	75
High Cholesterol	75
Stroke	12
Ischemic Heart Disease	75
Depression	22
Chronic Kidney Disease	57
Asthma	11
Osteoperosis	12
Atrial Fibrilation	38
Heart Failure	72
Chronic Obstructive Pulmonary Disease	23
Diabetes	42
Dementia	20
Cancer	18

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Gregory Fontana, MD treated as a thoracic surgeon in Thousand Oaks, CA during 2022 were cardiac procedures, minimally invasive procedures, vascular procedures and thoracic (chest) surgery procedures.

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

bypass surgery	12
cardiac procedures	124
doctor visit	192
hospital care	20
inpatient care	20
minimally invasive procedures	50
open surgery	24
thoracic (chest) surgery procedures	24
vascular procedures	50

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Fontana, MD.

**Gender**
Male	106
Female	71

**Ethnicity**
Non-Hispanic White	160
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	88
85 and over	47
Less than 65	0

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

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	75
Depression	14
Chronic Kidney Disease	34
Asthma	15
Osteoperosis	14
Atrial Fibrilation	53
Heart Failure	59
Chronic Obstructive Pulmonary Disease	23
Diabetes	38
Dementia	11
Cancer	24

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Gregory Fontana, MD treated as a thoracic surgeon in Thousand Oaks, CA during 2023 were cardiac procedures, minimally invasive procedures, vascular procedures and hospital care.

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

bypass surgery	12
cardiac procedures	90
doctor visit	164
hospital care	30
inpatient care	30
minimally invasive procedures	33
open surgery	24
thoracic (chest) surgery procedures	24
vascular procedures	33

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Fontana, MD.

**Gender**
Male	97
Female	60

**Ethnicity**
Non-Hispanic White	140
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	39
From 75 to 84	78
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Gregory Fontana, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	19
Ischemic Heart Disease	75
Depression	19
Chronic Kidney Disease	34
Asthma	20
Osteoperosis	13
Atrial Fibrilation	49
Heart Failure	62
Chronic Obstructive Pulmonary Disease	27
Diabetes	41
Dementia	10
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

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

The highest averages for the top procedures that Dr. Gregory Fontana, MD treated as a thoracic surgeon in Thousand Oaks, CA were cardiac procedures, hospital care, inpatient care and minimally invasive procedures.

bypass surgery	14
cardiac procedures	85
doctor visit	152
hospital care	77
inpatient care	77
minimally invasive procedures	41
open surgery	28
thoracic (chest) surgery procedures	28
vascular procedures	40

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Gregory Fontana, MD.

**Gender**
Female	53
Male	79

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	100
Native American / Alaskan Native	0
Hispanic	2
Other	0

**Age**
75 to 84	54
85 and over	36
Less than 65	0
65 to 74	11

Average of Total of Conditions of Medicare patients treated by Dr. Gregory Fontana, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Gregory Fontana, MD treated were high cholesterol, hypertension, ischemic heart disease and heart failure.

Hypertension	68
High Cholesterol	68
Stroke	10
Ischemic Heart Disease	68
Depression	20
Chronic Kidney Disease	46
Asthma	11
Osteoporosis	7
Heart Failure	64
Chronic Obstructive Pulmonary Disease	23
Diabetes	41
Atrial Fibrillation	38
Dementia	11
Cancer	17

Education & Training

He has a state license in New York.

Licensed In: New York

Affiliations & Hospitals

Dr. Gregory Fontana, MD is associated with these hospitals and organizations:

Los Robles Hospital & Medical Center

Ratings & Reviews

Dr. Gregory Fontana, MD has an exceptional overall rating with an average of 4.5 out of 5 stars based on 1 ratings. We collect ratings and reviews of Dr. Gregory Fontana, MD from all over the web to help you find the right in Thousand Oaks, CA.

4.5

Overall Rating

(1 Rating)

Leave a Review

General Payments

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

**Payments by Company**
Medtronic, Inc.	$429,630 COREVALVE EVOLUT R $323,757	CoreValve Evolut $69,641	RESOLUTE ONYX $7,389	APOLLOTM $516	Avalus $492	Other $27,835
Abbott Laboratories	$369,990 Portico Transcatheter Aortic HV $157,670	Cardiovascular-Research only $99,535	PORTICO $42,143	Portico Transcatheter Aortic Heart Valve $13,821	Mitra Clip system $13,113	Other $43,707
St. Jude Medical, Inc.	$274,028 Structural Heart $65,842	Cardiovascular-Research only $51,983	Vascular $18,000	Regent Mechanical Heart Valve $9,435	Epic Stented Tissue Valve $7,506	Other $121,262
Medtronic Vascular, Inc.	$138,930 CoreValve Evolut $111,261	Heart Valves $8,402	Mosaic $3,534	Avalus $2,305	Hancock $1,692	Other $11,737
Sorin Group USA Inc.	$13,518 Aortic Tissue Valve - Perceval $6,963	Aortic Tissue Valve - Mitroflow PRT $3,354	Sutureless Valves $3,200
Other	$25,172 Bioprosthetic Valve $6,400	Sutureless Valves $1,769	Impella $1,541	Transcatheter Heart Valves $671	OptoMonitor $600	Other $14,191

**Types of Payments**
Consulting Fee	$557,883
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$420,940
Travel and Lodging	$181,363
Food and Beverage	$80,767
Compensation for serving as faculty or as a speaker for a medical education program	$5,425
Other	$4,890

Research Payments

Dr. Gregory Fontana, MD has received 185 research payments totaling $1,152,903.

Biography

Dr. Gregory Fontana is a specialist in thoracic surgery. Dr. Fontana is a graduate of the University of California, Los Angeles (UCLA), David Geffen School of Medicine. He has received the following distinctions: New York Super Doctors; Southern California Super Doctors; and Southern California Super Doctors 2008. He is professionally affiliated with Los Robles Hospital & Medical Center.