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Dr. Harold Alberto Fernandez, MD

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Specializes in: Thoracic Surgery

100 Nicolls Road Hsc L19-080
Stony Brook, NY 11794

(631) 444-1820

Dr. Harold Alberto Fernandez, MD is a thoracic surgeon in Stony Brook, NY specializing in thoracic surgery. Dr. Harold Alberto Fernandez, MD is affiliated with Northwell Health.

Office Locations

100 Nicolls Road Hsc L19-080
Stony Brook, NY 11794

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301 E Main Street
Bay Shore, NY 11706

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In The News

“Dr. Harold Fernandez is literally oceans removed from the life he fled in a violent neighborhood in Colombia when he was just 13 years old, with his younger brother in...”—"LI doctor recalls story of being smuggled into U.S.", Newsday, August 2018

“Harold Fernandez, 52, of Huntington, recounted his own experiences traveling from Colombia at the age of 13, a two-week-long trip that involved crossing the border illegally.”—"LIers rally in support of family reunification", Newsday, July 2018

“Dr. Harold Fernandez was the surgeon who handled everything.”—"Guest Column: Proof that miracles do still happen", The Suffolk Times, July 2014

Noteworthy Medicare Patient Procedures Performed by Dr. Harold Alberto Fernandez, MD in 2023

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

Top 10%

By Volume:

heart bypass surgery

In 2023, Dr. Harold Alberto Fernandez, MD performed more heart bypass surgery (CABG) procedures for Medicare patients than 90% of providers in related specialties within New York.

Top 25%

By Volume:

cardiac procedures

In 2012, Dr. Harold Alberto Fernandez, MD performed more cardiac procedures procedures for Medicare patients than 75% of providers in related specialties within New York.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Harold Alberto Fernandez, MD treated as a thoracic surgeon in Stony Brook, NY during 2012 were cardiac procedures, hospital care, inpatient care and thoracic (chest) surgery procedures.

Volume of procedures performed by Dr. Harold Alberto Fernandez, MD for Medicare patients.

bypass surgery	42
cardiac procedures	124
doctor visit	33
hospital care	87
inpatient care	87
open surgery	84
thoracic (chest) surgery procedures	84

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Harold Alberto Fernandez, MD treated as a thoracic surgeon in Stony Brook, NY during 2013 were cardiac procedures, thoracic (chest) surgery procedures, open surgery and hospital care.

Volume of procedures performed by Dr. Harold Alberto Fernandez, MD for Medicare patients.

bypass surgery	40
cardiac procedures	138
doctor visit	39
hospital care	64
inpatient care	64
open surgery	80
thoracic (chest) surgery procedures	80

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Harold Alberto Fernandez, MD.

**Gender**
Male	90
Female	56

**Ethnicity**
Non-Hispanic White	133
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	52
From 75 to 84	47
85 and over	29
Less than 65	18

Conditions of Medicare patients treated by Dr. Harold Alberto Fernandez, MD in 2013

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	75
Depression	29
Chronic Kidney Disease	55
Asthma	10
Osteoperosis	10
Atrial Fibrilation	36
Heart Failure	75
Chronic Obstructive Pulmonary Disease	38
Diabetes	47
Dementia	14
Cancer	16

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Harold Alberto Fernandez, MD treated as a thoracic surgeon in Stony Brook, NY during 2014 were cardiac procedures, thoracic (chest) surgery procedures, open surgery and hospital care.

Volume of procedures performed by Dr. Harold Alberto Fernandez, MD for Medicare patients.

bypass surgery	42
cardiac procedures	154
doctor visit	81
hospital care	50
inpatient care	50
minimally invasive procedures	12
open surgery	84
thoracic (chest) surgery procedures	84
vascular procedures	12

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Harold Alberto Fernandez, MD.

**Gender**
Male	98
Female	63

**Age**
From 65 to 74	55
From 75 to 84	55
85 and over	34
Less than 65	17

Conditions of Medicare patients treated by Dr. Harold Alberto Fernandez, MD in 2014

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	75
Depression	32
Chronic Kidney Disease	53
Asthma	8
Osteoperosis	0
Atrial Fibrilation	45
Heart Failure	75
Chronic Obstructive Pulmonary Disease	33
Diabetes	49
Dementia	14
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Harold Alberto Fernandez, MD treated as a thoracic surgeon in Stony Brook, NY during 2015 were cardiac procedures, thoracic (chest) surgery procedures, open surgery and hospital care.

Volume of procedures performed by Dr. Harold Alberto Fernandez, MD for Medicare patients.

bypass surgery	58
cardiac procedures	170
doctor visit	92
hospital care	60
inpatient care	60
open surgery	116
thoracic (chest) surgery procedures	116

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Harold Alberto Fernandez, MD.

**Gender**
Male	230
Female	132

**Ethnicity**
Non-Hispanic White	318
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	118
From 75 to 84	118
85 and over	82
Less than 65	44

Conditions of Medicare patients treated by Dr. Harold Alberto Fernandez, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	75
Depression	26
Chronic Kidney Disease	54
Asthma	13
Osteoperosis	6
Atrial Fibrilation	38
Heart Failure	75
Chronic Obstructive Pulmonary Disease	27
Diabetes	49
Dementia	12
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Harold Alberto Fernandez, MD treated as a thoracic surgeon in Stony Brook, NY during 2016 were cardiac procedures, thoracic (chest) surgery procedures, open surgery and hospital care.

Volume of procedures performed by Dr. Harold Alberto Fernandez, MD for Medicare patients.

bypass surgery	29
cardiac procedures	90
doctor visit	71
hospital care	30
inpatient care	30
open surgery	58
thoracic (chest) surgery procedures	58

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Harold Alberto Fernandez, MD.

**Gender**
Male	64
Female	42

**Ethnicity**
Non-Hispanic White	86
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	36
From 75 to 84	38
85 and over	16
Less than 65	16

Conditions of Medicare patients treated by Dr. Harold Alberto Fernandez, MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	75
Depression	22
Chronic Kidney Disease	37
Asthma	36
Osteoperosis	0
Atrial Fibrilation	33
Heart Failure	75
Chronic Obstructive Pulmonary Disease	37
Diabetes	50
Dementia	17
Cancer	17

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Harold Alberto Fernandez, MD treated as a thoracic surgeon in Stony Brook, NY during 2017 were cardiac procedures, thoracic (chest) surgery procedures, open surgery and hospital care.

Volume of procedures performed by Dr. Harold Alberto Fernandez, MD for Medicare patients.

bypass surgery	23
cardiac procedures	70
doctor visit	58
hospital care	24
inpatient care	24
open surgery	46
thoracic (chest) surgery procedures	46

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Harold Alberto Fernandez, MD.

**Gender**
Male	60
Female	35

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

**Age**
From 65 to 74	39
From 75 to 84	34
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Harold Alberto Fernandez, MD in 2017

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	75
Depression	29
Chronic Kidney Disease	55
Asthma	12
Osteoperosis	0
Atrial Fibrilation	41
Heart Failure	75
Chronic Obstructive Pulmonary Disease	33
Diabetes	57
Dementia	21
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Harold Alberto Fernandez, MD treated as a thoracic surgeon in Stony Brook, NY during 2018 were cardiac procedures, thoracic (chest) surgery procedures, open surgery and bypass surgery.

Volume of procedures performed by Dr. Harold Alberto Fernandez, MD for Medicare patients.

bypass surgery	21
cardiac procedures	64
doctor visit	59
hospital care	13
inpatient care	13
open surgery	42
thoracic (chest) surgery procedures	42

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Harold Alberto Fernandez, MD.

**Gender**
Male	68
Female	35

**Ethnicity**
Non-Hispanic White	87
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	30
From 75 to 84	42
85 and over	20
Less than 65	11

Conditions of Medicare patients treated by Dr. Harold Alberto Fernandez, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	17
Ischemic Heart Disease	75
Depression	22
Chronic Kidney Disease	52
Asthma	0
Osteoperosis	0
Atrial Fibrilation	44
Heart Failure	75
Chronic Obstructive Pulmonary Disease	28
Diabetes	43
Dementia	18
Cancer	22

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Harold Alberto Fernandez, MD treated as a thoracic surgeon in Stony Brook, NY during 2019 were cardiac procedures, thoracic (chest) surgery procedures, open surgery and bypass surgery.

Volume of procedures performed by Dr. Harold Alberto Fernandez, MD for Medicare patients.

bypass surgery	30
cardiac procedures	114
doctor visit	94
hospital care	11
inpatient care	11
minimally invasive procedures	15
open surgery	60
thoracic (chest) surgery procedures	60
vascular procedures	15

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Harold Alberto Fernandez, MD.

**Gender**
Male	72
Female	54

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

**Age**
From 65 to 74	41
From 75 to 84	60
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Harold Alberto Fernandez, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	75
Depression	21
Chronic Kidney Disease	60
Asthma	10
Osteoperosis	0
Atrial Fibrilation	44
Heart Failure	75
Chronic Obstructive Pulmonary Disease	29
Diabetes	54
Dementia	15
Cancer	17

Medicare Procedure and Patient Information

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Harold Alberto Fernandez, MD.

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

**Age**
From 65 to 74	15
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Harold Alberto Fernandez, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	75
Depression	0
Chronic Kidney Disease	71
Asthma	0
Osteoperosis	0
Atrial Fibrilation	39
Heart Failure	75
Chronic Obstructive Pulmonary Disease	0
Diabetes	71
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Harold Alberto Fernandez, MD treated as a thoracic surgeon in Stony Brook, NY during 2021 were thoracic (chest) surgery procedures, open surgery, cardiac procedures and bypass surgery.

Volume of procedures performed by Dr. Harold Alberto Fernandez, MD for Medicare patients.

bypass surgery	14
cardiac procedures	28
open surgery	28
thoracic (chest) surgery procedures	28

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Harold Alberto Fernandez, MD.

**Gender**
Male	37
Female	17

**Ethnicity**
Non-Hispanic White	40
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

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

Conditions of Medicare patients treated by Dr. Harold Alberto Fernandez, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	22
Ischemic Heart Disease	75
Depression	22
Chronic Kidney Disease	65
Asthma	0
Osteoperosis	0
Atrial Fibrilation	26
Heart Failure	67
Chronic Obstructive Pulmonary Disease	30
Diabetes	54
Dementia	24
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Harold Alberto Fernandez, MD treated as a thoracic surgeon in Stony Brook, NY during 2022 were thoracic (chest) surgery procedures, open surgery, cardiac procedures and bypass surgery.

Volume of procedures performed by Dr. Harold Alberto Fernandez, MD for Medicare patients.

bypass surgery	25
cardiac procedures	50
doctor visit	44
open surgery	50
thoracic (chest) surgery procedures	50

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Harold Alberto Fernandez, MD.

**Gender**
Male	50
Female	27

**Ethnicity**
Non-Hispanic White	63
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	32
From 75 to 84	30
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Harold Alberto Fernandez, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	19
Ischemic Heart Disease	75
Depression	27
Chronic Kidney Disease	48
Asthma	0
Osteoperosis	0
Atrial Fibrilation	43
Heart Failure	60
Chronic Obstructive Pulmonary Disease	25
Diabetes	49
Dementia	0
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Harold Alberto Fernandez, MD for Medicare patients.

The highest averages for the top procedures that Dr. Harold Alberto Fernandez, MD treated as a thoracic surgeon in Stony Brook, NY were cardiac procedures, thoracic (chest) surgery procedures, open surgery and hospital care.

bypass surgery	32
cardiac procedures	100
doctor visit	63
hospital care	42
inpatient care	42
minimally invasive procedures	13
open surgery	64
thoracic (chest) surgery procedures	64
vascular procedures	13

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Harold Alberto Fernandez, MD.

**Gender**
Female	41
Male	69

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	83
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
85 and over	16
75 to 84	40
Less than 65	9
65 to 74	39

Average of Total of Conditions of Medicare patients treated by Dr. Harold Alberto Fernandez, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	68
Stroke	12
Ischemic Heart Disease	68
Depression	20
Chronic Kidney Disease	50
Asthma	8
Osteoporosis	1
Heart Failure	66
Chronic Obstructive Pulmonary Disease	25
Diabetes	47
Atrial Fibrillation	35
Dementia	12
Cancer	12

Education & Training

He has a state license in New York.

Licensed In: New York

Affiliations & Hospitals

Dr. Harold Alberto Fernandez, MD is associated with these hospitals and organizations:

Northwell Health

Ratings & Reviews

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General Payments

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

**Payments by Company**
Abbott Laboratories	$5,009 Vascular $2,375	Circulatory Support $2,323	HeartMate $160	HeartMate 3 Left Ventricular Dev $151
Medtronic Vascular, Inc.	$2,932 Heart Valves $1,777	HeartWare HVAD $304	STENTS $236	Resolute $221	CoreValve Evolut $146	Other $249
Edwards Lifesciences Corporation	$1,542 Edwards SAPIEN 3 Transcatheter Heart Valve $755	Minimal Incision Valve Surgery $533	Pericardial Heart Valves $128	Transcatheter Heart Valves $98	Pericardial Heart Valve $27
Thoratec Corporation	$1,541 HeartMate II $1,541
St. Jude Medical, Inc.	$1,262 Structural Heart $420	HeartMate PHP $206	Ensite $186	Vascular $156	Electrophysiology $124	Other $171
Other	$1,636 BRILINTA $516	Cardiovascular $161	Assure WCD $148	TMR $142	ATRICURE SYNERGY ABLATION SYSTEM $140	Other $529

**Types of Payments**
Food and Beverage	$9,198
Travel and Lodging	$4,588
Education	$136

Biography

Dr. Harold Fernandez is a specialist in thoracic surgery. Dr. Fernandez is professionally affiliated with Northwell Health. He attended medical school at Harvard Medical School. He has received the distinction of New York Super Doctors.

Select Year:

Dr. Harold Alberto Fernandez, MD

Office Locations

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. Harold Alberto Fernandez, MD in 2023

By Volume:

By Volume:

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. Harold Alberto Fernandez, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Harold Alberto Fernandez, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Harold Alberto Fernandez, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Harold Alberto Fernandez, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Harold Alberto Fernandez, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Harold Alberto Fernandez, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Harold Alberto Fernandez, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Harold Alberto Fernandez, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Harold Alberto Fernandez, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Harold Alberto Fernandez, 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. Harold Alberto Fernandez, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Other Providers in Stony Brook, NY