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Home > CA Providers > Neurosurgeons

Dr. Steven Louis Giannotta, MD

(8 Ratings)

Specializes in: Neurosurgery

Professional interests include: tumor, brain problems, brain tumor

1751 Foothill Boulevard Suite 2 Suite 2
La Canada Flintridge, CA 91011

(818) 952-2171

Dr. Steven Louis Giannotta, MD is a neurosurgeon in Los Angeles, CA specializing in neurosurgery. Dr. Steven Louis Giannotta, MD is affiliated with Keck Medicine of USC, Keck Medical Center of USC and USC Arcadia Hospital.

Office Locations

Keck Medical Center of USC

1441 Eastlake Avenue
Los Angeles, CA 90033

1-800-872-2273

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Keck Medical Center of USC

1520 San Pablo Street Hc2 - Suite 3800 Hc2 - Suite 3800
Los Angeles, CA 90033

(323) 442-5720

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Keck Medical Center of USC

1751 Foothill Boulevard Suite 2 Suite 2
La Canada Flintridge, CA 91011

(818) 952-2171

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Keck Medical Center of USC

300 W. Huntington Drive
Arcadia, CA 91007

1-888-388-2838

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In The News (see more mentions in the news)

“"Chronic headache is not a hallmark, in general, of aneurysm," says Dr. Steven Giannotta, a USC neurosurgeon.”—"Science Probes Mystery of Swellings in Arteries", Los Angeles Times, March 2025

“USC's top neurosurgeons, Dr. Martin H. Weiss and Dr. Steven Giannotta, have a flourishing private practice that has been based for several years at Huntington Memorial Hospital in Pasadena.”—"New Hospital Puts USC at Crossroads in Health Care : Medicine: Private facility will adjoin county medical center and cater to affluent. Disparity is criticized.", Los Angeles Times, February 2025

“"Early diagnosis and detection of aneurysms is a real problem,"said Dr. Steve Giannotta, associate professor of neurosurgery at USC School of Medicine.”—"Aneurysms: So Hidden, So Deadly : Brain Ruptures, Often Misdiagnosed, Hit 30,000 Annually", Los Angeles Times, March 2024

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Volume of procedures performed by Dr. Steven Louis Giannotta, MD for Medicare patients.

doctor visit	128

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Steven Louis Giannotta, MD for Medicare patients.

doctor visit	124

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven Louis Giannotta, MD.

**Gender**
Male	32
Female	86

**Ethnicity**
Non-Hispanic White	65
Black	0
Hispanic	27
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	65
From 75 to 84	37
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Steven Louis Giannotta, MD in 2013

Hypertension	65
High Cholesterol	61
Stroke	13
Ischemic Heart Disease	37
Depression	25
Chronic Kidney Disease	14
Asthma	0
Osteoperosis	15
Atrial Fibrilation	0
Heart Failure	12
Chronic Obstructive Pulmonary Disease	0
Diabetes	30
Dementia	0
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

Volume of procedures performed by Dr. Steven Louis Giannotta, MD for Medicare patients.

doctor visit	112

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven Louis Giannotta, MD.

**Gender**
Male	27
Female	81

**Ethnicity**
Non-Hispanic White	70
Black	0
Hispanic	19
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	55
From 75 to 84	32
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Steven Louis Giannotta, MD in 2014

Hypertension	56
High Cholesterol	59
Stroke	14
Ischemic Heart Disease	35
Depression	21
Chronic Kidney Disease	21
Asthma	11
Osteoperosis	16
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	22
Dementia	10
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

Volume of procedures performed by Dr. Steven Louis Giannotta, MD for Medicare patients.

doctor visit	111

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven Louis Giannotta, MD.

**Gender**
Male	62
Female	164

**Ethnicity**
Non-Hispanic White	122
Black	0
Hispanic	44
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	128
From 75 to 84	58
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Steven Louis Giannotta, MD in 2015

Hypertension	65
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	31
Depression	22
Chronic Kidney Disease	19
Asthma	14
Osteoperosis	17
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	26
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

Volume of procedures performed by Dr. Steven Louis Giannotta, MD for Medicare patients.

doctor visit	114

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven Louis Giannotta, MD.

**Gender**
Male	30
Female	73

**Ethnicity**
Non-Hispanic White	67
Black	0
Hispanic	0
Asian	16
Other	0
Native American	0

**Age**
From 65 to 74	55
From 75 to 84	26
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Steven Louis Giannotta, MD in 2016

Hypertension	66
High Cholesterol	55
Stroke	12
Ischemic Heart Disease	25
Depression	21
Chronic Kidney Disease	24
Asthma	17
Osteoperosis	12
Atrial Fibrilation	0
Heart Failure	12
Chronic Obstructive Pulmonary Disease	0
Diabetes	24
Dementia	0
Cancer	17

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

Volume of procedures performed by Dr. Steven Louis Giannotta, MD for Medicare patients.

doctor visit	95

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven Louis Giannotta, MD.

**Gender**
Male	28
Female	65

**Ethnicity**
Non-Hispanic White	52
Black	0
Hispanic	0
Asian	19
Other	0
Native American	0

**Age**
From 65 to 74	51
From 75 to 84	31
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Steven Louis Giannotta, MD in 2017

Hypertension	59
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	27
Depression	25
Chronic Kidney Disease	23
Asthma	12
Osteoperosis	15
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	25
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. Steven Louis Giannotta, MD for Medicare patients.

doctor visit	87

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven Louis Giannotta, MD.

**Gender**
Male	18
Female	66

**Ethnicity**
Non-Hispanic White	42
Black	0
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	50
From 75 to 84	23
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Steven Louis Giannotta, MD in 2018

Hypertension	63
High Cholesterol	71
Stroke	0
Ischemic Heart Disease	39
Depression	27
Chronic Kidney Disease	24
Asthma	0
Osteoperosis	17
Atrial Fibrilation	0
Heart Failure	14
Chronic Obstructive Pulmonary Disease	0
Diabetes	33
Dementia	15
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. Steven Louis Giannotta, MD for Medicare patients.

doctor visit	84

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven Louis Giannotta, MD.

**Gender**
Male	22
Female	63

**Ethnicity**
Non-Hispanic White	42
Black	0
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	50
From 75 to 84	24
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Steven Louis Giannotta, MD in 2019

Hypertension	69
High Cholesterol	69
Stroke	0
Ischemic Heart Disease	33
Depression	20
Chronic Kidney Disease	24
Asthma	0
Osteoperosis	14
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	32
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Steven Louis Giannotta, MD for Medicare patients.

doctor visit	18

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven Louis Giannotta, MD.

**Gender**
Male	16
Female	34

**Ethnicity**
Non-Hispanic White	22
Black	0
Hispanic	14
Asian	0
Other	0
Native American	0

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

Conditions of Medicare patients treated by Dr. Steven Louis Giannotta, MD in 2020

Hypertension	56
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	32
Depression	22
Chronic Kidney Disease	24
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	22
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Dr. Steven Louis Giannotta, MD for Medicare patients.

doctor visit	23

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven Louis Giannotta, MD.

**Gender**
Male	21
Female	53

**Ethnicity**
Non-Hispanic White	43
Black	0
Hispanic	0
Asian	12
Other	0
Native American	0

**Age**
From 65 to 74	45
From 75 to 84	18
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Steven Louis Giannotta, MD in 2021

Hypertension	65
High Cholesterol	69
Stroke	0
Ischemic Heart Disease	26
Depression	26
Chronic Kidney Disease	26
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	30
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. Steven Louis Giannotta, MD for Medicare patients.

doctor visit	51

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Steven Louis Giannotta, MD.

**Gender**
Male	27
Female	41

**Ethnicity**
Non-Hispanic White	33
Black	0
Hispanic	0
Asian	15
Other	0
Native American	0

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

Conditions of Medicare patients treated by Dr. Steven Louis Giannotta, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	24
Depression	0
Chronic Kidney Disease	18
Asthma	0
Osteoperosis	22
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	24
Dementia	0
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Steven Louis Giannotta, MD for Medicare patients.

doctor visit	86

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Steven Louis Giannotta, MD.

**Gender**
Female	66
Male	25

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	5
Non-Hispanic White	50
Hispanic	13
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	0
75 to 84	22
Less than 65	0
65 to 74	52

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

The highest averages of the most common conditions of Medicare patients that Dr. Steven Louis Giannotta, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	58
High Cholesterol	57
Stroke	3
Ischemic Heart Disease	28
Depression	19
Chronic Kidney Disease	19
Asthma	4
Osteoporosis	11
Heart Failure	3
Chronic Obstructive Pulmonary Disease	0
Diabetes	24
Atrial Fibrillation	0
Dementia	2
Cancer	8

Education & Training

He has a state license in California.

Licensed In: California

Affiliations & Hospitals

Dr. Steven Louis Giannotta, MD is associated with these hospitals and organizations:

Keck Medicine of USC

Keck Medical Center of USC

USC Arcadia Hospital

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Steven Louis Giannotta, MD appears to accept the following insurance providers: Humana ChoiceCare Network, Great-West Healthcare, Blue Shield of California, MultiPlan, TriWest, Aetna, United Healthcare, Interplan, Medicare, Coventry, Cigna, GEHA, Anthem, First Health, Beech Street, Private Healthcare Systems (PHCS), Health Net, PacifiCare, Brand New Day, Marian Health Services, Watchtower, Health Net Covered California, Kern Health Systems, Laundry and Dry Cleaning Workers Health & Welfare, Take Care (GUAM), USC Network, Union Roofers Health & Welfare Fund, Blue Shield Covered California, Presbyterian Intercommunity Hospital, NEXT and Health Plans of Nevada.

Insurance Accepted by Provider includes:

According to our sources, Dr. Steven Louis Giannotta, MD accepts the following insurance providers:

Humana ChoiceCare Network

Great-West Healthcare

Blue Shield of California

MultiPlan

TriWest

Aetna

United Healthcare

Interplan

Medicare

Coventry

Cigna

GEHA

Anthem

First Health

Beech Street

Private Healthcare Systems (PHCS)

Health Net

PacifiCare

Brand New Day

Marian Health Services

Watchtower

Health Net Covered California

Kern Health Systems

Laundry and Dry Cleaning Workers Health & Welfare

Take Care (GUAM)

USC Network

Union Roofers Health & Welfare Fund

Blue Shield Covered California

Presbyterian Intercommunity Hospital

Health Plans of Nevada

Ratings & Reviews

Dr. Steven Louis Giannotta, MD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 8 ratings. We collect ratings and reviews of Dr. Steven Louis Giannotta, MD from all over the web to help you find the right in Los Angeles, CA.

Overall Rating

(8 Ratings)

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General Payments

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

**Payments by Company**
Integra LifeSciences Corporation	$210,507 Surgical Instruments $155,409	INTEGRA JARIT $9,574	INTEGRA $5,785	Integra Wound Matrix (IWM) $5,608	Neuro-Duraplasty $50	Other $34,081
MIZUHO AMERICA, INC.	$29,569 $29,569
DePuy Orthopaedics Inc.	$10,754 Power Tools $6,217	CMF $4,370	Cranial ReconstructionFixation $167
Osteomed LLC	$1,253 CMF-CFx $1,157	Neuro-Profile0 $96
Stryker Corporation	$1,031 NEURO SPINE ENT $500	NEURO $314	MEDPOR $112	Custom Implants $65	ADHERUS AUTOSPRAY ET DURAL SEALANT $40
Other	$1,785 ANSPACH $709	ZAP-X RADIOSURGERY SYSTEM $172	Power Tools $164	Baha $161	Surgical Microscopes $142	Other $437

**Types of Payments**
Royalty or License	$235,963
Compensation for serving as faculty or as a speaker for a non-accredited and noncertified continuing education program	$5,000
Grant	$4,370
Honoraria	$4,075
Food and Beverage	$3,238
Other	$2,252

Research Payments

Dr. Steven Louis Giannotta, MD has received 3 research payments totaling $32,316.

Biography

Dr. Steven Giannotta is a neurosurgery specialist in Los Angeles, CA, La Canada, CA, and Arcadia, CA. His areas of expertise include neurosurgery and brain tumor. His professional affiliations include Keck Medical Center of USC and USC Arcadia Hospital. Dr. Giannotta studied medicine at the University of Michigan Medical School. His average patient rating is 5.0 stars (out of 5). He seems to honor several insurance carriers, including Anthem, PacifiCare, and Blue California. Dr. Giannotta has received professional recognition including the following: Southern California Super Doctors; Southern California Super Doctors 2008; and Los Angeles Super Doctors.