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Home > CA Providers > Vascular Surgeons

Dr. Denis R. Westphal, MD

(Dr. Denis Robert Westphal, M.D.)

(2 Ratings)

Specializes in: Vascular Surgery, General Surgery, Trauma Surgery and Critical Care (Intensive Care Medicine)

Loma Linda University School of Medicine (1982)

95 Declaration Drive Suite 1
Chico, CA 95973

(530) 345-9455

Dr. Denis R. Westphal, MD is a vascular surgeon in Chico, CA specializing in vascular surgery, general surgery, trauma surgery and critical care (intensive care medicine). He graduated from Loma Linda University School of Medicine in 1982 and has 44 years of experience. Dr. Denis R. Westphal, MD is affiliated with ENLOE MEDICAL CENTER.

Office Locations

95 Declaration Drive Suite 1
Chico, CA 95973

(530) 345-9455

(530) 345-6628

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Noteworthy Medicare Patient Procedures Performed by Dr. Denis R. Westphal, MD in 2023

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

Top 5%

By Volume:

chemical cautery for granulation tissue

debridement

excisional debridement

By Affordability:

chemical cautery for granulation tissue

In 2023, among providers in related specialties within California, Dr. Denis R. Westphal, MD performed more chemical cautery for granulation tissue, debridement (removal of unhealthy tissue), and excisional debridement procedures for Medicare patients than 95% of them and he also had a list price for chemical cautery for granulation tissue that was lower than the list prices billed to Medicare by 95% of them. 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. Denis R. Westphal, MD treated as a vascular surgeon in Chico, CA during 2012 were vascular procedures, ultrasound (sonogram), catheterization and neck surgery.

Volume of procedures performed by Dr. Denis R. Westphal, MD for Medicare patients.

abdominal imaging	15
abdominal surgery	17
anastomosis	28
angioplasty	12
catheterization	42
dialysis access procedures	28
doctor visit	1080
endarterectomy	39
gastrointestinal procedures	17
hospital care	22
inpatient care	22
minimally invasive procedures	39
neck surgery	39
open surgery	17
stent placement (stenting)	15
ultrasound (sonogram)	85
vascular procedures	334

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Denis R. Westphal, MD treated as a vascular surgeon in Chico, CA during 2013 were vascular procedures, ultrasound (sonogram), minimally invasive procedures and ablation.

Volume of procedures performed by Dr. Denis R. Westphal, MD for Medicare patients.

abdominal imaging	12
abdominal surgery	21
ablation	50
anastomosis	28
catheterization	19
dialysis access procedures	28
doctor visit	1068
endarterectomy	38
gastrointestinal procedures	21
hospital care	25
inpatient care	25
minimally invasive procedures	64
neck surgery	23
open surgery	21
stent placement (stenting)	14
ultrasound (sonogram)	98
vascular procedures	314

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Denis R. Westphal, MD.

**Gender**
Male	476
Female	422

**Ethnicity**
Non-Hispanic White	808
Black	0
Hispanic	53
Asian	0
Other	0
Native American	17

**Age**
From 65 to 74	341
From 75 to 84	353
85 and over	119
Less than 65	85

Conditions of Medicare patients treated by Dr. Denis R. Westphal, MD in 2013

Hypertension	74
High Cholesterol	67
Stroke	9
Ischemic Heart Disease	43
Depression	15
Chronic Kidney Disease	40
Asthma	8
Osteoperosis	6
Atrial Fibrilation	16
Heart Failure	22
Chronic Obstructive Pulmonary Disease	23
Diabetes	42
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Denis R. Westphal, MD treated as a vascular surgeon in Chico, CA during 2014 were vascular procedures, ultrasound (sonogram), minimally invasive procedures and ablation.

Volume of procedures performed by Dr. Denis R. Westphal, MD for Medicare patients.

abdominal imaging	16
abdominal surgery	28
ablation	50
anastomosis	23
angioplasty	30
dialysis access procedures	39
doctor visit	1047
endarterectomy	25
gastrointestinal procedures	28
hospital care	31
inpatient care	31
minimally invasive procedures	80
neck surgery	25
open surgery	28
ultrasound (sonogram)	105
vascular procedures	307
X-rays	16

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Denis R. Westphal, MD.

**Gender**
Male	481
Female	400

**Ethnicity**
Non-Hispanic White	781
Black	0
Hispanic	56
Asian	0
Other	11
Native American	15

**Age**
From 65 to 74	376
From 75 to 84	302
85 and over	126
Less than 65	77

Conditions of Medicare patients treated by Dr. Denis R. Westphal, MD in 2014

Hypertension	75
High Cholesterol	67
Stroke	8
Ischemic Heart Disease	43
Depression	16
Chronic Kidney Disease	35
Asthma	8
Osteoperosis	5
Atrial Fibrilation	17
Heart Failure	22
Chronic Obstructive Pulmonary Disease	24
Diabetes	41
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Denis R. Westphal, MD treated as a vascular surgeon in Chico, CA during 2015 were vascular procedures, dialysis access procedures, inpatient care and endarterectomy.

Volume of procedures performed by Dr. Denis R. Westphal, MD for Medicare patients.

abdominal surgery	33
ablation	26
anastomosis	43
dialysis access procedures	60
doctor visit	1124
endarterectomy	52
gastrointestinal procedures	33
hospital care	52
inpatient care	52
minimally invasive procedures	43
neck surgery	40
open surgery	33
stent placement (stenting)	17
ultrasound (sonogram)	30
vascular procedures	286
X-rays	17

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Denis R. Westphal, MD.

**Gender**
Male	984
Female	766

**Ethnicity**
Non-Hispanic White	1572
Black	0
Hispanic	100
Asian	0
Other	22
Native American	30

**Age**
From 65 to 74	724
From 75 to 84	604
85 and over	278
Less than 65	144

Conditions of Medicare patients treated by Dr. Denis R. Westphal, MD in 2015

Hypertension	75
High Cholesterol	67
Stroke	10
Ischemic Heart Disease	44
Depression	18
Chronic Kidney Disease	40
Asthma	16
Osteoperosis	5
Atrial Fibrilation	17
Heart Failure	24
Chronic Obstructive Pulmonary Disease	24
Diabetes	39
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Denis R. Westphal, MD treated as a vascular surgeon in Chico, CA during 2016 were vascular procedures, inpatient care, hospital care and dialysis access procedures.

Volume of procedures performed by Dr. Denis R. Westphal, MD for Medicare patients.

abdominal surgery	32
anastomosis	52
angioplasty	22
device removal	13
dialysis access procedures	76
doctor visit	1152
endarterectomy	43
gastrointestinal procedures	32
hospital care	83
inpatient care	83
minimally invasive procedures	11
neck surgery	24
open surgery	32
stent placement (stenting)	11
vascular procedures	241
X-rays	24

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Denis R. Westphal, MD.

**Gender**
Male	523
Female	392

**Ethnicity**
Non-Hispanic White	817
Black	0
Hispanic	57
Asian	0
Other	15
Native American	14

**Age**
From 65 to 74	375
From 75 to 84	327
85 and over	146
Less than 65	67

Conditions of Medicare patients treated by Dr. Denis R. Westphal, MD in 2016

Hypertension	75
High Cholesterol	67
Stroke	10
Ischemic Heart Disease	45
Depression	15
Chronic Kidney Disease	44
Asthma	25
Osteoperosis	6
Atrial Fibrilation	18
Heart Failure	26
Chronic Obstructive Pulmonary Disease	25
Diabetes	42
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Denis R. Westphal, MD treated as a vascular surgeon in Chico, CA during 2017 were vascular procedures, hospital care, inpatient care and dialysis access procedures.

Volume of procedures performed by Dr. Denis R. Westphal, MD for Medicare patients.

abdominal surgery	25
anastomosis	34
dialysis access procedures	50
doctor visit	1071
endarterectomy	40
gastrointestinal procedures	25
hospital care	96
inpatient care	96
minimally invasive procedures	24
neck surgery	27
open surgery	25
stent placement (stenting)	13
vascular procedures	182

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Denis R. Westphal, MD.

**Gender**
Male	487
Female	339

**Ethnicity**
Non-Hispanic White	729
Black	0
Hispanic	53
Asian	0
Other	13
Native American	19

**Age**
From 65 to 74	349
From 75 to 84	282
85 and over	110
Less than 65	85

Conditions of Medicare patients treated by Dr. Denis R. Westphal, MD in 2017

Hypertension	75
High Cholesterol	69
Stroke	9
Ischemic Heart Disease	43
Depression	18
Chronic Kidney Disease	45
Asthma	7
Osteoperosis	7
Atrial Fibrilation	16
Heart Failure	23
Chronic Obstructive Pulmonary Disease	26
Diabetes	41
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Denis R. Westphal, MD treated as a vascular surgeon in Chico, CA during 2018 were inpatient care, hospital care, vascular procedures and anastomosis.

Volume of procedures performed by Dr. Denis R. Westphal, MD for Medicare patients.

abdominal surgery	47
anastomosis	50
angioplasty	14
device removal	12
dialysis access procedures	50
doctor visit	1041
endarterectomy	25
gastrointestinal procedures	47
hospital care	139
inpatient care	139
minimally invasive procedures	25
neck surgery	25
open surgery	47
stent placement (stenting)	11
vascular procedures	124

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Denis R. Westphal, MD.

**Gender**
Male	504
Female	360

**Ethnicity**
Non-Hispanic White	773
Black	0
Hispanic	57
Asian	0
Other	0
Native American	14

**Age**
From 65 to 74	373
From 75 to 84	300
85 and over	105
Less than 65	86

Conditions of Medicare patients treated by Dr. Denis R. Westphal, MD in 2018

Hypertension	75
High Cholesterol	72
Stroke	9
Ischemic Heart Disease	46
Depression	0
Chronic Kidney Disease	44
Asthma	7
Osteoperosis	7
Atrial Fibrilation	19
Heart Failure	26
Chronic Obstructive Pulmonary Disease	26
Diabetes	40
Dementia	11
Cancer	11

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Denis R. Westphal, MD treated as a vascular surgeon in Chico, CA during 2019 were hospital care, inpatient care, vascular procedures and open surgery.

Volume of procedures performed by Dr. Denis R. Westphal, MD for Medicare patients.

abdominal surgery	38
anastomosis	34
dialysis access procedures	34
doctor visit	999
endarterectomy	17
gastrointestinal procedures	38
hospital care	114
inpatient care	114
minimally invasive procedures	12
neck surgery	17
open surgery	38
stent placement (stenting)	12
vascular procedures	63

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Denis R. Westphal, MD.

**Gender**
Male	439
Female	357

**Ethnicity**
Non-Hispanic White	709
Black	0
Hispanic	50
Asian	0
Other	0
Native American	18

**Age**
From 65 to 74	351
From 75 to 84	284
85 and over	104
Less than 65	57

Conditions of Medicare patients treated by Dr. Denis R. Westphal, MD in 2019

Hypertension	75
High Cholesterol	64
Stroke	8
Ischemic Heart Disease	42
Depression	20
Chronic Kidney Disease	41
Asthma	6
Osteoperosis	6
Atrial Fibrilation	15
Heart Failure	23
Chronic Obstructive Pulmonary Disease	24
Diabetes	36
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Denis R. Westphal, MD treated as a vascular surgeon in Chico, CA during 2020 were vascular procedures, inpatient care, hospital care and dialysis access procedures.

Volume of procedures performed by Dr. Denis R. Westphal, MD for Medicare patients.

abdominal surgery	29
anastomosis	44
angioplasty	15
dialysis access procedures	60
doctor visit	906
endarterectomy	38
gastrointestinal procedures	29
hospital care	123
inpatient care	123
minimally invasive procedures	28
neck surgery	25
open surgery	29
stent placement (stenting)	13
vascular procedures	153

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Denis R. Westphal, MD.

**Gender**
Male	414
Female	296

**Ethnicity**
Non-Hispanic White	613
Black	0
Hispanic	53
Asian	0
Other	17
Native American	14

**Age**
From 65 to 74	302
From 75 to 84	246
85 and over	88
Less than 65	74

Conditions of Medicare patients treated by Dr. Denis R. Westphal, MD in 2020

Hypertension	75
High Cholesterol	70
Stroke	8
Ischemic Heart Disease	45
Depression	22
Chronic Kidney Disease	45
Asthma	5
Osteoperosis	7
Atrial Fibrilation	17
Heart Failure	25
Chronic Obstructive Pulmonary Disease	25
Diabetes	37
Dementia	10
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Denis R. Westphal, MD treated as a vascular surgeon in Chico, CA during 2021 were hospital care, inpatient care, vascular procedures and open surgery.

Volume of procedures performed by Dr. Denis R. Westphal, MD for Medicare patients.

abdominal surgery	35
anastomosis	24
device removal	13
dialysis access procedures	24
doctor visit	844
endarterectomy	12
gastrointestinal procedures	35
hospital care	59
inpatient care	59
neck surgery	12
open surgery	35
vascular procedures	51

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Denis R. Westphal, MD.

**Gender**
Male	341
Female	285

**Ethnicity**
Non-Hispanic White	551
Black	0
Hispanic	39
Asian	0
Other	0
Native American	11

**Age**
From 65 to 74	262
From 75 to 84	233
85 and over	83
Less than 65	48

Conditions of Medicare patients treated by Dr. Denis R. Westphal, MD in 2021

Hypertension	75
High Cholesterol	68
Stroke	8
Ischemic Heart Disease	43
Depression	17
Chronic Kidney Disease	43
Asthma	4
Osteoperosis	8
Atrial Fibrilation	17
Heart Failure	23
Chronic Obstructive Pulmonary Disease	21
Diabetes	35
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Denis R. Westphal, MD treated as a vascular surgeon in Chico, CA during 2022 were debridement (removal of unhealthy tissue), excision, hyperbaric oxygen (HBO) therapy and hospital care.

Volume of procedures performed by Dr. Denis R. Westphal, MD for Medicare patients.

abdominal surgery	11
debridement (removal of unhealthy tissue)	594
doctor visit	928
excision	542
gastrointestinal procedures	11
hospital care	43
hyperbaric oxygen (HBO) therapy	150
inpatient care	43
minor procedures	40
open surgery	11

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Denis R. Westphal, MD.

**Gender**
Male	332
Female	233

**Ethnicity**
Non-Hispanic White	494
Black	0
Hispanic	42
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	224
From 75 to 84	185
85 and over	76
Less than 65	80

Conditions of Medicare patients treated by Dr. Denis R. Westphal, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	37
Depression	24
Chronic Kidney Disease	38
Asthma	11
Osteoperosis	11
Atrial Fibrilation	33
Heart Failure	29
Chronic Obstructive Pulmonary Disease	27
Diabetes	45
Dementia	7
Cancer	15

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Denis R. Westphal, MD for Medicare patients.

The highest averages for the top procedures that Dr. Denis R. Westphal, MD treated as a vascular surgeon in Chico, CA were debridement (removal of unhealthy tissue), excision, vascular procedures and ultrasound (sonogram).

abdominal imaging	14
abdominal surgery	28
ablation	42
anastomosis	36
angioplasty	18
catheterization	30
debridement (removal of unhealthy tissue)	594
device removal	12
dialysis access procedures	44
doctor visit	1023
endarterectomy	32
excision	542
gastrointestinal procedures	28
hospital care	71
inpatient care	71
minimally invasive procedures	36
minor procedures	40
neck surgery	25
open surgery	28
stent placement (stenting)	13
ultrasound (sonogram)	79
vascular procedures	205
X-rays	19

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Denis R. Westphal, MD.

**Gender**
Male	452
Female	350

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	713
Hispanic	50
Native American / Alaskan Native	13
Other	7

**Age**
75 to 84	283
85 and over	112
Less than 65	73
65 to 74	334

Average of Total of Conditions of Medicare patients treated by Dr. Denis R. Westphal, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	62
Stroke	8
Ischemic Heart Disease	39
Depression	15
Chronic Kidney Disease	37
Asthma	8
Osteoporosis	6
Heart Failure	22
Chronic Obstructive Pulmonary Disease	22
Diabetes	36
Atrial Fibrillation	16
Cancer	10
Dementia	8

Education & Training

Dr. Denis R. Westphal, MD graduated from Loma Linda University School of Medicine in 1982. He has a state license in California.

Medical School: Loma Linda University School of Medicine (1982)

Licensed In: California

Affiliations & Hospitals

Dr. Denis R. Westphal, MD is associated with these hospitals and organizations:

ENLOE MEDICAL CENTER

Ratings & Reviews

Dr. Denis R. Westphal, MD has a good overall rating with an average of 3.0 out of 5 stars based on 2 ratings. We collect ratings and reviews of Dr. Denis R. Westphal, MD from all over the web to help you find the right in Chico, CA.

Overall Rating

(2 Ratings)

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General Payments

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

**Payments by Company**
Haemonetics Corporation	$6,227 edonor $6,227
Abbott Laboratories	$684 Supera peripheral stent system $356	Vascular $171	Perclose ProGlide suture mediated closure system $148	Hi-Torque Winn guide wire $9
Medtronic Vascular, Inc.	$381 VenaSeal $193	Closure RFS $138	HawkOne $36	CVI $15
ShockWave Medical, Inc	$330 SHOCKWAVE IVL SYSTEM WITH THE SHOCKWAVE C2 CORONARY IVL CATHETER $300	Vascular Lithotripsy $30
W. L. Gore & Associates, Inc.	$257 EXCLUDER Iliac Branch Endoprosthesis $147	EXCLUDER AAA Endoprosthesis $107	VIABAHN VBX Balloon Expandable Endoprosthesis $3
Other	$401 XARELTO $57	LUTONIX $43	CUTIMED SORBACT $27	RESTOREFLO $22	GRAFIX PL $22	Other $231

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$5,627
Food and Beverage	$1,871
Honoraria	$600
Travel and Lodging	$182

Biography

Dr. Denis Westphal is a specialist in general surgery, vascular surgery, and trauma surgery. He works in Chico, CA. He is a graduate of Loma Linda University School of Medicine.

Select Year:

Dr. Denis R. Westphal, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Denis R. Westphal, MD in 2023

By Volume:

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. Denis R. Westphal, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Denis R. Westphal, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Denis R. Westphal, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Denis R. Westphal, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Denis R. Westphal, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Denis R. Westphal, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Denis R. Westphal, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Denis R. Westphal, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Denis R. Westphal, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Denis R. Westphal, 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. Denis R. Westphal, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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