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Dr. Keith Quattrocchi, FACS, PHD, MD

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(Dr. Keith Quattrocchi, MD, PhD, FACS)

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Specializes in: Neurosurgery and General Practice

George Washington University School of Medicine and Health Sciences (1985)

1100 S. Eliseo Drive Suite 1 UCSF Neurosurgery at Greenbrae
Greenbrae, CA 94904

(415) 514-6868

Dr. Keith Quattrocchi, FACS, PHD, MD is a neurosurgeon in Greenbrae, CA specializing in neurosurgery and general practice. He graduated from George Washington University School of Medicine and Health Sciences in 1985 and has 41 years of experience. Dr. Keith Quattrocchi, FACS, PHD, MD is affiliated with KAWEAH DELTA HEALTH CARE DISTRICT and UCSF Neurosurgery at Greenbrae.

Office Locations

1100 S. Eliseo Drive Suite 1 UCSF Neurosurgery at Greenbrae
Greenbrae, CA 94904

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1300 South Eliseo Drive Suite 204
Greenbrae, CA 94904

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In The News

“Keith Quattrocchi s first foray into astronomy was as a child looking at the stars over Sonoma County through a telescope that was a gift from his...”—"Astronomers are flocking to a strip of land outside Fresno. Here s why", Oregonlive , June 2025

Noteworthy Medicare Patient Procedures Performed by Dr. Keith Quattrocchi, FACS, PHD, 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

inpatient hospital care

In 2023, Dr. Keith Quattrocchi, FACS, PHD, MD had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) 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.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Keith Quattrocchi, FACS, PHD, MD treated as a neurosurgeon in Greenbrae, CA during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. Keith Quattrocchi, FACS, PHD, MD for Medicare patients.

hospital care	72
inpatient care	72

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Keith Quattrocchi, FACS, PHD, MD treated as a neurosurgeon in Greenbrae, CA during 2013 were hospital care, inpatient care and spinal procedures.

Volume of procedures performed by Dr. Keith Quattrocchi, FACS, PHD, MD for Medicare patients.

doctor visit	147
hospital care	161
inpatient care	161
spinal procedures	11

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD.

**Gender**
Male	89
Female	126

**Ethnicity**
Non-Hispanic White	174
Black	11
Hispanic	0
Asian	17
Other	0
Native American	0

**Age**
From 65 to 74	62
From 75 to 84	66
85 and over	34
Less than 65	53

Conditions of Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD in 2013

Hypertension	68
High Cholesterol	54
Stroke	20
Ischemic Heart Disease	32
Depression	29
Chronic Kidney Disease	29
Asthma	9
Osteoperosis	13
Atrial Fibrilation	17
Heart Failure	20
Chronic Obstructive Pulmonary Disease	11
Diabetes	22
Dementia	16
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Keith Quattrocchi, FACS, PHD, MD treated as a neurosurgeon in Greenbrae, CA during 2014 were hospital care and inpatient care.

Volume of procedures performed by Dr. Keith Quattrocchi, FACS, PHD, MD for Medicare patients.

doctor visit	169
hospital care	107
inpatient care	107

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD.

**Gender**
Male	83
Female	93

**Ethnicity**
Non-Hispanic White	146
Black	0
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	66
From 75 to 84	45
85 and over	23
Less than 65	42

Conditions of Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD in 2014

Hypertension	63
High Cholesterol	48
Stroke	12
Ischemic Heart Disease	38
Depression	31
Chronic Kidney Disease	24
Asthma	13
Osteoperosis	15
Atrial Fibrilation	15
Heart Failure	18
Chronic Obstructive Pulmonary Disease	14
Diabetes	22
Dementia	14
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Keith Quattrocchi, FACS, PHD, MD treated as a neurosurgeon in Greenbrae, CA during 2015 were hospital care, inpatient care, nerve procedures and decompression surgery.

Volume of procedures performed by Dr. Keith Quattrocchi, FACS, PHD, MD for Medicare patients.

arthrodesis (bone fusion surgery)	12
decompression surgery	12
doctor visit	115
hospital care	201
inpatient care	201
neck surgery	12
nerve procedures	12
spinal procedures	12

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD.

**Gender**
Male	198
Female	208

**Ethnicity**
Non-Hispanic White	332
Black	0
Hispanic	32
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	146
From 75 to 84	108
85 and over	78
Less than 65	74

Conditions of Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD in 2015

Hypertension	75
High Cholesterol	52
Stroke	27
Ischemic Heart Disease	39
Depression	30
Chronic Kidney Disease	31
Asthma	16
Osteoperosis	13
Atrial Fibrilation	18
Heart Failure	26
Chronic Obstructive Pulmonary Disease	15
Diabetes	23
Dementia	21
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Keith Quattrocchi, FACS, PHD, MD treated as a neurosurgeon in Greenbrae, CA during 2016 were hospital care and inpatient care.

Volume of procedures performed by Dr. Keith Quattrocchi, FACS, PHD, MD for Medicare patients.

doctor visit	161
hospital care	191
inpatient care	191

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD.

**Gender**
Male	94
Female	101

**Ethnicity**
Non-Hispanic White	158
Black	0
Hispanic	12
Asian	14
Other	0
Native American	0

**Age**
From 65 to 74	62
From 75 to 84	49
85 and over	38
Less than 65	46

Conditions of Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD in 2016

Hypertension	70
High Cholesterol	52
Stroke	22
Ischemic Heart Disease	30
Depression	35
Chronic Kidney Disease	30
Asthma	24
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	18
Chronic Obstructive Pulmonary Disease	16
Diabetes	20
Dementia	21
Cancer	17

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Keith Quattrocchi, FACS, PHD, MD treated as a neurosurgeon in Greenbrae, CA during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Keith Quattrocchi, FACS, PHD, MD for Medicare patients.

doctor visit	175
hospital care	130
inpatient care	130

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD.

**Gender**
Male	87
Female	90

**Ethnicity**
Non-Hispanic White	145
Black	0
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	64
From 75 to 84	51
85 and over	35
Less than 65	27

Conditions of Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD in 2017

Hypertension	68
High Cholesterol	53
Stroke	15
Ischemic Heart Disease	33
Depression	40
Chronic Kidney Disease	31
Asthma	11
Osteoperosis	18
Atrial Fibrilation	16
Heart Failure	14
Chronic Obstructive Pulmonary Disease	12
Diabetes	21
Dementia	20
Cancer	17

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Keith Quattrocchi, FACS, PHD, MD treated as a neurosurgeon in Greenbrae, CA during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Keith Quattrocchi, FACS, PHD, MD for Medicare patients.

doctor visit	53
hospital care	300
inpatient care	300

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD.

**Gender**
Male	85
Female	86

**Ethnicity**
Non-Hispanic White	140
Black	0
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	58
From 75 to 84	50
85 and over	45
Less than 65	18

Conditions of Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD in 2018

Hypertension	71
High Cholesterol	56
Stroke	26
Ischemic Heart Disease	37
Depression	31
Chronic Kidney Disease	32
Asthma	11
Osteoperosis	20
Atrial Fibrilation	22
Heart Failure	22
Chronic Obstructive Pulmonary Disease	15
Diabetes	23
Dementia	25
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Keith Quattrocchi, FACS, PHD, MD treated as a neurosurgeon in Greenbrae, CA during 2019 were hospital care, inpatient care and emergency care.

Volume of procedures performed by Dr. Keith Quattrocchi, FACS, PHD, MD for Medicare patients.

doctor visit	39
emergency care	17
hospital care	267
inpatient care	267

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD.

**Gender**
Male	68
Female	0

**Ethnicity**
Non-Hispanic White	102
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	42
From 75 to 84	43
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD in 2019

Hypertension	75
High Cholesterol	60
Stroke	30
Ischemic Heart Disease	48
Depression	33
Chronic Kidney Disease	40
Asthma	0
Osteoperosis	14
Atrial Fibrilation	27
Heart Failure	27
Chronic Obstructive Pulmonary Disease	12
Diabetes	28
Dementia	35
Cancer	18

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Keith Quattrocchi, FACS, PHD, MD treated as a neurosurgeon in Greenbrae, CA during 2020 were hospital care, inpatient care and emergency care.

Volume of procedures performed by Dr. Keith Quattrocchi, FACS, PHD, MD for Medicare patients.

doctor visit	32
emergency care	32
hospital care	260
inpatient care	260

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD.

**Gender**
Male	67
Female	77

**Ethnicity**
Non-Hispanic White	117
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	54
From 75 to 84	39
85 and over	40
Less than 65	11

Conditions of Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD in 2020

Hypertension	74
High Cholesterol	58
Stroke	31
Ischemic Heart Disease	41
Depression	39
Chronic Kidney Disease	45
Asthma	8
Osteoperosis	15
Atrial Fibrilation	15
Heart Failure	27
Chronic Obstructive Pulmonary Disease	17
Diabetes	31
Dementia	31
Cancer	17

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Keith Quattrocchi, FACS, PHD, MD treated as a neurosurgeon in Greenbrae, CA during 2021 were hospital care, inpatient care and emergency care.

Volume of procedures performed by Dr. Keith Quattrocchi, FACS, PHD, MD for Medicare patients.

doctor visit	50
emergency care	14
hospital care	150
inpatient care	150

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD.

**Gender**
Male	82
Female	114

**Ethnicity**
Non-Hispanic White	130
Black	0
Hispanic	52
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	69
From 75 to 84	63
85 and over	40
Less than 65	24

Conditions of Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD in 2021

Hypertension	75
High Cholesterol	64
Stroke	21
Ischemic Heart Disease	46
Depression	35
Chronic Kidney Disease	46
Asthma	7
Osteoperosis	17
Atrial Fibrilation	17
Heart Failure	32
Chronic Obstructive Pulmonary Disease	16
Diabetes	40
Dementia	21
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Keith Quattrocchi, FACS, PHD, MD treated as a neurosurgeon in Greenbrae, CA during 2022 were hospital care and inpatient care.

Volume of procedures performed by Dr. Keith Quattrocchi, FACS, PHD, MD for Medicare patients.

doctor visit	52
hospital care	98
inpatient care	98

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD.

**Gender**
Male	93
Female	77

**Ethnicity**
Non-Hispanic White	90
Black	0
Hispanic	67
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	71
From 75 to 84	50
85 and over	24
Less than 65	25

Conditions of Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	44
Ischemic Heart Disease	43
Depression	32
Chronic Kidney Disease	35
Asthma	13
Osteoperosis	15
Atrial Fibrilation	26
Heart Failure	31
Chronic Obstructive Pulmonary Disease	27
Diabetes	51
Dementia	17
Cancer	19

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Keith Quattrocchi, FACS, PHD, MD for Medicare patients.

The highest averages for the top procedures that Dr. Keith Quattrocchi, FACS, PHD, MD treated as a neurosurgeon in Greenbrae, CA were hospital care, inpatient care, emergency care and nerve procedures.

arthrodesis (bone fusion surgery)	12
decompression surgery	12
doctor visit	99
emergency care	21
hospital care	176
inpatient care	176
neck surgery	12
nerve procedures	12
spinal procedures	11

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD.

**Gender**
Male	86
Female	88

**Ethnicity**
Black / African American	1
Asian / Pacific Islander	2
Non-Hispanic White	139
Hispanic	18
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	51
85 and over	32
Less than 65	29
65 to 74	63

Average of Total of Conditions of Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Keith Quattrocchi, FACS, PHD, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	64
High Cholesterol	52
Stroke	22
Ischemic Heart Disease	35
Depression	30
Chronic Kidney Disease	31
Asthma	10
Osteoporosis	13
Heart Failure	21
Chronic Obstructive Pulmonary Disease	14
Diabetes	25
Atrial Fibrillation	17
Cancer	13
Dementia	20

Education & Training

Dr. Keith Quattrocchi, FACS, PHD, MD graduated from George Washington University School of Medicine and Health Sciences in 1985. He has a state license in California.

Medical School: George Washington University School of Medicine and Health Sciences (1985)

Licensed In: California

Affiliations & Hospitals

Dr. Keith Quattrocchi, FACS, PHD, MD is associated with these hospitals and organizations:

KAWEAH DELTA HEALTH CARE DISTRICT

UCSF Neurosurgery at Greenbrae

Ratings & Reviews

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General Payments

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

**Payments by Company**
Alphatec Spine, Inc	$147,426 Novel CIS $116,356	Novel $31,070
Hyhte Holdings Inc.	$130,028 Zion $67,332	$62,696
Stryker Corporation	$77 vitoss $47	ES2 $30
K2M, Inc.	$42 General K2M Product Discussion $42
DePuy Synthes Sales Inc.	$39 Spine $39
Other	$125 Neuro-Profile0 $38	Kick, Airo, Curve, Buzz, Node, Exact Trac, Novalis, TramaCad, Elements $33	CODMAN HAKIM Precision Valve $18	HAKIM $18	iFuse Implant $17

**Types of Payments**
Royalty or License	$277,454
Food and Beverage	$283

Biography

Dr. Keith Quattrocchi is a physician who specializes in general practice and neurosurgery. He graduated from George Washington University School of Medicine and Health Sciences. Dr. Quattrocchi welcomes new patients at his office in as reported by DocSpot.

Select Year:

Dr. Keith Quattrocchi, FACS, PHD, MD

Office Locations

In The News

Noteworthy Medicare Patient Procedures Performed by Dr. Keith Quattrocchi, FACS, PHD, MD in 2023

By Affordability:

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. Keith Quattrocchi, FACS, PHD, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Keith Quattrocchi, FACS, PHD, 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. Keith Quattrocchi, FACS, PHD, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Other Providers in Greenbrae, CA