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Dr. Kenneth W. Westphal, MD

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Specializes in: Blood Banking & Transfusion Medicine

Loma Linda University School of Medicine

105 A Cooper Court
Los Gatos, CA 95032

(408) 399-5050

Dr. Kenneth W. Westphal, MD is a transfusion medicine specialist in Los Gatos, CA specializing in blood banking & transfusion medicine. He graduated from Loma Linda University School of Medicine. Dr. Kenneth W. Westphal, MD is affiliated with Dignity Health and Dominican Hospital Santa Cruz.

Office Locations

Dominican Hospital Santa Cruz

105 A Cooper Court
Los Gatos, CA 95032

(408) 399-5050

(408) 395-0471

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1555 Soquel Drive Dh -pathology Department
Santa Cruz, CA 95065

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Noteworthy Medicare Patient Procedures Performed by Dr. Kenneth W. Westphal, MD in 2023

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

Top 5%

By Affordability:

concentrated smear of non-gynecologic specimen

In 2023, Dr. Kenneth W. Westphal, MD had a list price for concentrated smear (cytospin) of non-gynecologic specimen 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.

Top 25%

By Volume:

lab tests

In 2012, Dr. Kenneth W. Westphal, MD performed more lab tests procedures for Medicare patients than 75% of providers in related specialties within California.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Kenneth W. Westphal, MD treated as a transfusion medicine specialist in Los Gatos, CA during 2012 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Kenneth W. Westphal, MD for Medicare patients.

consultation	21
cytology	31
lab tests	804

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Kenneth W. Westphal, MD treated as a transfusion medicine specialist in Los Gatos, CA during 2013 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Kenneth W. Westphal, MD for Medicare patients.

consultation	42
cytology	29
lab tests	1375

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth W. Westphal, MD.

**Gender**
Male	694
Female	787

**Ethnicity**
Non-Hispanic White	1148
Black	0
Hispanic	257
Asian	28
Other	31
Native American	0

**Age**
From 65 to 74	754
From 75 to 84	380
85 and over	143
Less than 65	204

Conditions of Medicare patients treated by Dr. Kenneth W. Westphal, MD in 2013

Hypertension	62
High Cholesterol	56
Stroke	4
Ischemic Heart Disease	27
Depression	21
Chronic Kidney Disease	21
Asthma	10
Osteoperosis	10
Atrial Fibrilation	12
Heart Failure	18
Chronic Obstructive Pulmonary Disease	10
Diabetes	26
Dementia	5
Cancer	20

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Kenneth W. Westphal, MD treated as a transfusion medicine specialist in Los Gatos, CA during 2014 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Kenneth W. Westphal, MD for Medicare patients.

consultation	21
cytology	37
lab tests	1326

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth W. Westphal, MD.

**Gender**
Male	674
Female	789

**Ethnicity**
Non-Hispanic White	1168
Black	0
Hispanic	225
Asian	27
Other	27
Native American	0

**Age**
From 65 to 74	805
From 75 to 84	337
85 and over	126
Less than 65	195

Conditions of Medicare patients treated by Dr. Kenneth W. Westphal, MD in 2014

Hypertension	58
High Cholesterol	50
Stroke	3
Ischemic Heart Disease	27
Depression	21
Chronic Kidney Disease	20
Asthma	10
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	10
Diabetes	25
Dementia	5
Cancer	20

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Kenneth W. Westphal, MD treated as a transfusion medicine specialist in Los Gatos, CA during 2015 were lab tests, consultation and cytology.

Volume of procedures performed by Dr. Kenneth W. Westphal, MD for Medicare patients.

consultation	50
cytology	15
lab tests	701

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth W. Westphal, MD.

**Gender**
Male	1492
Female	1766

**Ethnicity**
Non-Hispanic White	2538
Black	0
Hispanic	514
Asian	72
Other	98
Native American	0

**Age**
From 65 to 74	1884
From 75 to 84	734
85 and over	228
Less than 65	412

Conditions of Medicare patients treated by Dr. Kenneth W. Westphal, MD in 2015

Hypertension	56
High Cholesterol	50
Stroke	6
Ischemic Heart Disease	23
Depression	22
Chronic Kidney Disease	20
Asthma	13
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	14
Chronic Obstructive Pulmonary Disease	9
Diabetes	24
Dementia	5
Cancer	20

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Kenneth W. Westphal, MD treated as a transfusion medicine specialist in Los Gatos, CA during 2016 were lab tests and cytology.

Volume of procedures performed by Dr. Kenneth W. Westphal, MD for Medicare patients.

cytology	31
lab tests	559

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth W. Westphal, MD.

**Gender**
Male	702
Female	837

**Ethnicity**
Non-Hispanic White	1237
Black	0
Hispanic	214
Asian	28
Other	45
Native American	0

**Age**
From 65 to 74	931
From 75 to 84	350
85 and over	88
Less than 65	170

Conditions of Medicare patients treated by Dr. Kenneth W. Westphal, MD in 2016

Hypertension	58
High Cholesterol	51
Stroke	3
Ischemic Heart Disease	20
Depression	22
Chronic Kidney Disease	24
Asthma	16
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	9
Diabetes	25
Dementia	6
Cancer	19

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Kenneth W. Westphal, MD treated as a transfusion medicine specialist in Los Gatos, CA during 2017 were lab tests and cytology.

Volume of procedures performed by Dr. Kenneth W. Westphal, MD for Medicare patients.

cytology	20
lab tests	551

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth W. Westphal, MD.

**Gender**
Male	648
Female	719

**Ethnicity**
Non-Hispanic White	1124
Black	0
Hispanic	164
Asian	0
Other	36
Native American	0

**Age**
From 65 to 74	782
From 75 to 84	326
85 and over	130
Less than 65	129

Conditions of Medicare patients treated by Dr. Kenneth W. Westphal, MD in 2017

Hypertension	57
High Cholesterol	42
Stroke	4
Ischemic Heart Disease	21
Depression	22
Chronic Kidney Disease	24
Asthma	9
Osteoperosis	8
Atrial Fibrilation	11
Heart Failure	13
Chronic Obstructive Pulmonary Disease	9
Diabetes	22
Dementia	6
Cancer	19

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Kenneth W. Westphal, MD treated as a transfusion medicine specialist in Los Gatos, CA during 2018 were lab tests and consultation.

Volume of procedures performed by Dr. Kenneth W. Westphal, MD for Medicare patients.

consultation	16
lab tests	634

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth W. Westphal, MD.

**Gender**
Male	619
Female	762

**Ethnicity**
Non-Hispanic White	1076
Black	0
Hispanic	218
Asian	28
Other	47
Native American	0

**Age**
From 65 to 74	814
From 75 to 84	361
85 and over	85
Less than 65	121

Conditions of Medicare patients treated by Dr. Kenneth W. Westphal, MD in 2018

Hypertension	57
High Cholesterol	51
Stroke	3
Ischemic Heart Disease	23
Depression	21
Chronic Kidney Disease	24
Asthma	8
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	13
Chronic Obstructive Pulmonary Disease	9
Diabetes	24
Dementia	5
Cancer	18

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Kenneth W. Westphal, MD treated as a transfusion medicine specialist in Los Gatos, CA during 2019 were lab tests and cytology.

Volume of procedures performed by Dr. Kenneth W. Westphal, MD for Medicare patients.

cytology	30
lab tests	717

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth W. Westphal, MD.

**Gender**
Male	699
Female	780

**Ethnicity**
Non-Hispanic White	1168
Black	0
Hispanic	215
Asian	31
Other	54
Native American	0

**Age**
From 65 to 74	880
From 75 to 84	394
85 and over	93
Less than 65	112

Conditions of Medicare patients treated by Dr. Kenneth W. Westphal, MD in 2019

Hypertension	59
High Cholesterol	53
Stroke	2
Ischemic Heart Disease	22
Depression	22
Chronic Kidney Disease	27
Asthma	10
Osteoperosis	13
Atrial Fibrilation	9
Heart Failure	13
Chronic Obstructive Pulmonary Disease	9
Diabetes	23
Dementia	6
Cancer	19

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Kenneth W. Westphal, MD treated as a transfusion medicine specialist in Los Gatos, CA during 2020 were lab tests and cytology.

Volume of procedures performed by Dr. Kenneth W. Westphal, MD for Medicare patients.

cytology	18
lab tests	643

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth W. Westphal, MD.

**Gender**
Male	560
Female	656

**Ethnicity**
Non-Hispanic White	951
Black	0
Hispanic	177
Asian	27
Other	46
Native American	0

**Age**
From 65 to 74	706
From 75 to 84	329
85 and over	76
Less than 65	105

Conditions of Medicare patients treated by Dr. Kenneth W. Westphal, MD in 2020

Hypertension	57
High Cholesterol	54
Stroke	4
Ischemic Heart Disease	23
Depression	21
Chronic Kidney Disease	28
Asthma	10
Osteoperosis	12
Atrial Fibrilation	8
Heart Failure	14
Chronic Obstructive Pulmonary Disease	8
Diabetes	25
Dementia	6
Cancer	20

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Kenneth W. Westphal, MD treated as a transfusion medicine specialist in Los Gatos, CA during 2021 were lab tests and cytology.

Volume of procedures performed by Dr. Kenneth W. Westphal, MD for Medicare patients.

cytology	14
lab tests	641

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth W. Westphal, MD.

**Gender**
Male	635
Female	732

**Ethnicity**
Non-Hispanic White	1075
Black	0
Hispanic	176
Asian	43
Other	59
Native American	0

**Age**
From 65 to 74	789
From 75 to 84	393
85 and over	97
Less than 65	88

Conditions of Medicare patients treated by Dr. Kenneth W. Westphal, MD in 2021

Hypertension	60
High Cholesterol	59
Stroke	2
Ischemic Heart Disease	26
Depression	23
Chronic Kidney Disease	26
Asthma	9
Osteoperosis	12
Atrial Fibrilation	14
Heart Failure	16
Chronic Obstructive Pulmonary Disease	10
Diabetes	22
Dementia	6
Cancer	20

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Kenneth W. Westphal, MD treated as a transfusion medicine specialist in Los Gatos, CA during 2022 were lab tests and cytology.

Volume of procedures performed by Dr. Kenneth W. Westphal, MD for Medicare patients.

cytology	12
lab tests	698

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Kenneth W. Westphal, MD.

**Gender**
Male	599
Female	640

**Ethnicity**
Non-Hispanic White	999
Black	0
Hispanic	150
Asian	39
Other	40
Native American	0

**Age**
From 65 to 74	704
From 75 to 84	398
85 and over	62
Less than 65	75

Conditions of Medicare patients treated by Dr. Kenneth W. Westphal, MD in 2022

Hypertension	65
High Cholesterol	68
Stroke	5
Ischemic Heart Disease	18
Depression	19
Chronic Kidney Disease	17
Asthma	11
Osteoperosis	14
Atrial Fibrilation	17
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	22
Dementia	4
Cancer	24

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Kenneth W. Westphal, MD for Medicare patients.

The highest averages for the top procedures that Dr. Kenneth W. Westphal, MD treated as a transfusion medicine specialist in Los Gatos, CA were lab tests, consultation and cytology.

consultation	30
cytology	23
lab tests	786

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Kenneth W. Westphal, MD.

**Gender**
Male	665
Female	769

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	29
Non-Hispanic White	1134
Native American / Alaskan Native	0
Hispanic	210
Other	43

**Age**
75 to 84	363
85 and over	102
Less than 65	146
65 to 74	822

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

The highest averages of the most common conditions of Medicare patients that Dr. Kenneth W. Westphal, MD treated were hypertension, high cholesterol, chronic kidney disease and diabetes.

Hypertension	53
High Cholesterol	48
Stroke	3
Ischemic Heart Disease	20
Depression	19
Chronic Kidney Disease	21
Asthma	9
Osteoporosis	9
Heart Failure	12
Chronic Obstructive Pulmonary Disease	8
Diabetes	21
Atrial Fibrillation	10
Dementia	4
Cancer	18

Education & Training

Dr. Kenneth W. Westphal, MD graduated from Loma Linda University School of Medicine. He is certified by the Pathology-Anatomic/Clinical Pathology and has a state license in California.

Medical School: Loma Linda University School of Medicine

Board Certification: Pathology-Anatomic/Clinical Pathology

Licensed In: California

Affiliations & Hospitals

Dr. Kenneth W. Westphal, MD is associated with these hospitals and organizations:

Dignity Health

Dominican Hospital Santa Cruz

Ratings & Reviews

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Biography

Dr. Kenneth Westphal's specialty is blood banking & transfusion medicine. Dr. Westphal attended medical school at Loma Linda University School of Medicine. He is affiliated with Dignity Health. Unfortunately, according to Dignity Health, he is not currently accepting new patients.

Select Year:

Dr. Kenneth W. Westphal, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Kenneth W. Westphal, MD in 2023

By Affordability:

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. Kenneth W. Westphal, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kenneth W. Westphal, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kenneth W. Westphal, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kenneth W. Westphal, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kenneth W. Westphal, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kenneth W. Westphal, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kenneth W. Westphal, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kenneth W. Westphal, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kenneth W. Westphal, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kenneth W. 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. Kenneth W. Westphal, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

Biography

Other Providers in Los Gatos, CA