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Dr. David W. Kolegraff, MD

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Specializes in: General Surgery and Colon & Rectal Surgery

University of California, Los Angeles (UCLA), David Geffen School of Medicine

Professional interests include: colorectal surgery procedures

2428 Castillo Street Suite C
Santa Barbara, CA 93105

(805) 682-7231

Dr. David W. Kolegraff, MD is a general surgeon in Oxnard, CA specializing in general surgery and colon & rectal surgery. He graduated from University of California, Los Angeles (UCLA), David Geffen School of Medicine. Dr. David W. Kolegraff, MD is affiliated with Dignity Health and St John's Regional Med Center/St John's Hospital Camarillo.

Office Locations

1600 North Rose Avenue
Oxnard, CA 93030

open_in_new

2428 Castillo Street Suite C
Santa Barbara, CA 93105

(805) 682-7231

(805) 682-1434

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In The News

“The family would like to thank the staff at Santa Barbara Convalescent Hospital, Dr. Dennis Ashley, Dr. David Kolegraff and most especially Dr. Darol Joseff Fernando and the nurses at the Santa...”—"Ernest Badillo of Santa Barbara, 1931-2014 | Noozhawk", Noozhawk, January 2014

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. David W. Kolegraff, MD treated as a general surgeon in Oxnard, CA during 2012 were cardiac procedures, thoracic (chest) surgery procedures, open surgery and vascular procedures.

Volume of procedures performed by Dr. David W. Kolegraff, MD for Medicare patients.

anastomosis	28
bypass surgery	25
cardiac procedures	76
dialysis access procedures	28
doctor visit	67
open surgery	50
thoracic (chest) surgery procedures	50
ultrasound (sonogram)	11
vascular procedures	39

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. David W. Kolegraff, MD treated as a general surgeon in Oxnard, CA during 2013 were cardiac procedures, anastomosis, vascular procedures and dialysis access procedures.

Volume of procedures performed by Dr. David W. Kolegraff, MD for Medicare patients.

anastomosis	38
bypass surgery	14
cardiac procedures	68
catheterization	11
dialysis access procedures	38
doctor visit	96
open surgery	28
thoracic (chest) surgery procedures	28
vascular procedures	38

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Kolegraff, MD.

**Gender**
Male	85
Female	75

**Ethnicity**
Non-Hispanic White	109
Black	0
Hispanic	37
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	63
From 75 to 84	44
85 and over	22
Less than 65	31

Conditions of Medicare patients treated by Dr. David W. Kolegraff, MD in 2013

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	56
Depression	16
Chronic Kidney Disease	59
Asthma	0
Osteoperosis	8
Atrial Fibrilation	30
Heart Failure	48
Chronic Obstructive Pulmonary Disease	14
Diabetes	50
Dementia	8
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. David W. Kolegraff, MD treated as a general surgeon in Oxnard, CA during 2014 were anastomosis, vascular procedures, dialysis access procedures and cardiac procedures.

Volume of procedures performed by Dr. David W. Kolegraff, MD for Medicare patients.

anastomosis	36
cardiac procedures	22
dialysis access procedures	36
doctor visit	53
hospital care	13
inpatient care	13
vascular procedures	36

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Kolegraff, MD.

**Gender**
Male	55
Female	44

**Ethnicity**
Non-Hispanic White	58
Black	0
Hispanic	30
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	42
From 75 to 84	0
85 and over	0
Less than 65	25

Conditions of Medicare patients treated by Dr. David W. Kolegraff, MD in 2014

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	56
Depression	21
Chronic Kidney Disease	67
Asthma	12
Osteoperosis	0
Atrial Fibrilation	20
Heart Failure	46
Chronic Obstructive Pulmonary Disease	0
Diabetes	46
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. David W. Kolegraff, MD treated as a general surgeon in Oxnard, CA during 2015 were cardiac procedures, thoracic (chest) surgery procedures, open surgery and anastomosis.

Volume of procedures performed by Dr. David W. Kolegraff, MD for Medicare patients.

anastomosis	22
bypass surgery	18
cardiac procedures	68
dialysis access procedures	22
doctor visit	48
hospital care	13
inpatient care	13
open surgery	36
thoracic (chest) surgery procedures	36
vascular procedures	22

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Kolegraff, MD.

**Gender**
Male	152
Female	68

**Ethnicity**
Non-Hispanic White	148
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	68
From 75 to 84	70
85 and over	44
Less than 65	38

Conditions of Medicare patients treated by Dr. David W. Kolegraff, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	66
Depression	18
Chronic Kidney Disease	68
Asthma	15
Osteoperosis	12
Atrial Fibrilation	35
Heart Failure	55
Chronic Obstructive Pulmonary Disease	11
Diabetes	48
Dementia	11
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. David W. Kolegraff, MD treated as a general surgeon in Oxnard, CA during 2016 were cardiac procedures, thoracic (chest) surgery procedures, open surgery and anastomosis.

Volume of procedures performed by Dr. David W. Kolegraff, MD for Medicare patients.

anastomosis	40
bypass surgery	22
cardiac procedures	66
dialysis access procedures	40
doctor visit	73
open surgery	44
thoracic (chest) surgery procedures	44
vascular procedures	40

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Kolegraff, MD.

**Gender**
Male	66
Female	39

**Ethnicity**
Non-Hispanic White	65
Black	0
Hispanic	26
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	43
From 75 to 84	28
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. David W. Kolegraff, MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	62
Depression	24
Chronic Kidney Disease	72
Asthma	20
Osteoperosis	0
Atrial Fibrilation	28
Heart Failure	50
Chronic Obstructive Pulmonary Disease	19
Diabetes	63
Dementia	0
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. David W. Kolegraff, MD treated as a general surgeon in Oxnard, CA during 2017 were cardiac procedures, thoracic (chest) surgery procedures, open surgery and bypass surgery.

Volume of procedures performed by Dr. David W. Kolegraff, MD for Medicare patients.

anastomosis	13
bypass surgery	16
cardiac procedures	54
dialysis access procedures	13
doctor visit	65
open surgery	32
thoracic (chest) surgery procedures	32
vascular procedures	13

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Kolegraff, MD.

**Gender**
Male	76
Female	29

**Ethnicity**
Non-Hispanic White	72
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	44
From 75 to 84	31
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. David W. Kolegraff, MD in 2017

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	69
Depression	19
Chronic Kidney Disease	73
Asthma	0
Osteoperosis	0
Atrial Fibrilation	27
Heart Failure	57
Chronic Obstructive Pulmonary Disease	16
Diabetes	56
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. David W. Kolegraff, MD treated as a general surgeon in Oxnard, CA during 2018 were thoracic (chest) surgery procedures, open surgery, cardiac procedures and bypass surgery.

Volume of procedures performed by Dr. David W. Kolegraff, MD for Medicare patients.

anastomosis	12
bypass surgery	24
cardiac procedures	48
dialysis access procedures	12
doctor visit	66
hospital care	11
inpatient care	11
open surgery	48
thoracic (chest) surgery procedures	48
vascular procedures	12

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Kolegraff, MD.

**Gender**
Male	70
Female	35

**Ethnicity**
Non-Hispanic White	63
Black	0
Hispanic	29
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	40
From 75 to 84	35
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. David W. Kolegraff, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	66
Depression	30
Chronic Kidney Disease	72
Asthma	0
Osteoperosis	0
Atrial Fibrilation	24
Heart Failure	45
Chronic Obstructive Pulmonary Disease	13
Diabetes	65
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. David W. Kolegraff, MD treated as a general surgeon in Oxnard, CA during 2019 were thoracic (chest) surgery procedures, open surgery, cardiac procedures and bypass surgery.

Volume of procedures performed by Dr. David W. Kolegraff, MD for Medicare patients.

bypass surgery	13
cardiac procedures	26
open surgery	26
thoracic (chest) surgery procedures	26

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Kolegraff, MD.

**Gender**
Male	37
Female	18

**Ethnicity**
Non-Hispanic White	35
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	22
From 75 to 84	21
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. David W. Kolegraff, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	65
Depression	36
Chronic Kidney Disease	58
Asthma	0
Osteoperosis	0
Atrial Fibrilation	31
Heart Failure	40
Chronic Obstructive Pulmonary Disease	0
Diabetes	42
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. David W. Kolegraff, MD treated as a general surgeon in Oxnard, CA during 2020 were reconstructive surgery, joint surgery, lower extremity surgery and computer assisted surgery (CAS).

Volume of procedures performed by Dr. David W. Kolegraff, MD for Medicare patients.

computer assisted surgery (CAS)	97
joint surgery	100
lower extremity surgery	100
reconstructive surgery	100

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Kolegraff, MD.

**Gender**
Male	63
Female	56

**Ethnicity**
Non-Hispanic White	104
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	57
From 75 to 84	47
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. David W. Kolegraff, MD in 2020

Hypertension	62
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	30
Depression	22
Chronic Kidney Disease	19
Asthma	0
Osteoperosis	12
Atrial Fibrilation	13
Heart Failure	12
Chronic Obstructive Pulmonary Disease	0
Diabetes	20
Dementia	0
Cancer	18

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. David W. Kolegraff, MD treated as a general surgeon in Oxnard, CA during 2021 were computer assisted surgery (CAS), reconstructive surgery, joint surgery and lower extremity surgery.

Volume of procedures performed by Dr. David W. Kolegraff, MD for Medicare patients.

computer assisted surgery (CAS)	17
joint surgery	16
lower extremity surgery	16
reconstructive surgery	16

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. David W. Kolegraff, MD.

**Gender**
Male	24
Female	15

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

Conditions of Medicare patients treated by Dr. David W. Kolegraff, MD in 2021

Hypertension	75
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	51
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	28
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. David W. Kolegraff, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	75
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	61
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. David W. Kolegraff, MD for Medicare patients.

The highest averages for the top procedures that Dr. David W. Kolegraff, MD treated as a general surgeon in Oxnard, CA were lower extremity surgery, reconstructive surgery, joint surgery and computer assisted surgery (CAS).

anastomosis	27
bypass surgery	18
cardiac procedures	53
catheterization	11
computer assisted surgery (CAS)	57
dialysis access procedures	27
doctor visit	66
hospital care	12
inpatient care	12
joint surgery	58
lower extremity surgery	58
open surgery	37
reconstructive surgery	58
thoracic (chest) surgery procedures	37
ultrasound (sonogram)	11
vascular procedures	28

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. David W. Kolegraff, MD.

**Gender**
Male	57
Female	34

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	59
Native American / Alaskan Native	0
Hispanic	11
Other	0

**Age**
75 to 84	25
85 and over	6
Less than 65	8
65 to 74	36

Average of Total of Conditions of Medicare patients treated by Dr. David W. Kolegraff, MD From 2012 - 2022

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

Hypertension	67
High Cholesterol	65
Stroke	1
Ischemic Heart Disease	54
Depression	16
Chronic Kidney Disease	44
Asthma	4
Osteoporosis	2
Heart Failure	34
Chronic Obstructive Pulmonary Disease	6
Diabetes	41
Atrial Fibrillation	18
Dementia	3
Cancer	7

Education & Training

Dr. David W. Kolegraff, MD graduated from University of California, Los Angeles (UCLA), David Geffen School of Medicine. He is certified by the Surgery General Surgery and has a state license in California.

Medical School: University of California, Los Angeles (UCLA), David Geffen School of Medicine

Board Certification: Surgery General Surgery

Licensed In: California

Affiliations & Hospitals

Dr. David W. Kolegraff, MD is associated with these hospitals and organizations:

Dignity Health

St John's Regional Med Center/St John's Hospital Camarillo

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General Payments

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

**Payments by Company**
MAQUET Cardiovascular U.S. Sales, L.L.C.	$1,058 VASOVIEW $880	CARDIOSAVE $178
Getinge USA Sales, LLC	$479 VASOVIEW Hemopro 2 $307	CARDIOHELP $172
Medtronic Vascular, Inc.	$185 Hancock $170	CVI $16
Ethicon US, LLC	$136 Biosurgicals $75	Endoscopy: Endocutters $62
Zimmer Biomet Holdings, Inc.	$116 Persona $116
Other	$281 OFIRMEV $80	ATRICURE SYNERGY ABLATION SYSTEM $75	Signia $68	EPI-SENSE GUIDED COAGULATION SYSTEM WITH VISITRAX, MODELS $25	Vessel Sealing $19	Other $13

**Types of Payments**
Food and Beverage	$2,031
Travel and Lodging	$225

Biography

Dr. David Kolegraff is a physician who specializes in general surgery and colon & rectal surgery. His clinical interests include colorectal surgery procedures. He is professionally affiliated with Dignity Health. Dr. Kolegraff is a graduate of the University of California, Los Angeles (UCLA), David Geffen School of Medicine. Dignity Health reports that Dr. Kolegraff is not accepting new patients.