In 2012, among providers in related specialties within California, Dr. Christopher Dirk Keene, MD, PHD performed more intraoperative pathology consultation procedures for Medicare patients than 75% of them and he also had a list price for consultation, immunohistochemistry (IHC) test, intraoperative pathology consultation, lab tests, and special stains that was lower than the list prices billed to Medicare by 75% 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. Christopher Dirk Keene, MD, PHD treated as an anatomic pathologist in San Diego, CA during 2012 were lab tests.

Volume of procedures performed by Dr. Christopher Dirk Keene, MD, PHD for Medicare patients.

lab tests	140

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Christopher Dirk Keene, MD, PHD treated as an anatomic pathologist in San Diego, CA during 2013 were lab tests and consultation.

Volume of procedures performed by Dr. Christopher Dirk Keene, MD, PHD for Medicare patients.

consultation	18
lab tests	185

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD.

**Gender**
Male	40
Female	40

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

**Age**
From 65 to 74	36
From 75 to 84	22
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD in 2013

Hypertension	63
High Cholesterol	40
Stroke	15
Ischemic Heart Disease	25
Depression	24
Chronic Kidney Disease	24
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	15
Chronic Obstructive Pulmonary Disease	0
Diabetes	31
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Christopher Dirk Keene, MD, PHD treated as an anatomic pathologist in San Diego, CA during 2014 were lab tests and consultation.

Volume of procedures performed by Dr. Christopher Dirk Keene, MD, PHD for Medicare patients.

consultation	24
lab tests	197

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD.

**Gender**
Male	53
Female	49

**Ethnicity**
Non-Hispanic White	77
Black	0
Hispanic	0
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	28

Conditions of Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD in 2014

Hypertension	64
High Cholesterol	48
Stroke	22
Ischemic Heart Disease	27
Depression	25
Chronic Kidney Disease	32
Asthma	0
Osteoperosis	0
Atrial Fibrilation	13
Heart Failure	16
Chronic Obstructive Pulmonary Disease	12
Diabetes	37
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Christopher Dirk Keene, MD, PHD treated as an anatomic pathologist in San Diego, CA during 2015 were lab tests, consultation and second opinions.

Volume of procedures performed by Dr. Christopher Dirk Keene, MD, PHD for Medicare patients.

consultation	14
lab tests	106
second opinions	11

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD.

**Gender**
Male	106
Female	102

**Ethnicity**
Non-Hispanic White	156
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	100
From 75 to 84	58
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD in 2015

Hypertension	62
High Cholesterol	41
Stroke	19
Ischemic Heart Disease	17
Depression	26
Chronic Kidney Disease	25
Asthma	11
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	13
Chronic Obstructive Pulmonary Disease	0
Diabetes	31
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Christopher Dirk Keene, MD, PHD treated as an anatomic pathologist in San Diego, CA during 2016 were lab tests and consultation.

Volume of procedures performed by Dr. Christopher Dirk Keene, MD, PHD for Medicare patients.

consultation	21
lab tests	206

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD.

**Gender**
Male	43
Female	30

**Age**
From 65 to 74	41
From 75 to 84	0
85 and over	0
Less than 65	17

Conditions of Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD in 2016

Hypertension	53
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	27
Depression	40
Chronic Kidney Disease	25
Asthma	22
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	15
Chronic Obstructive Pulmonary Disease	15
Diabetes	22
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Christopher Dirk Keene, MD, PHD treated as an anatomic pathologist in San Diego, CA during 2017 were lab tests.

Volume of procedures performed by Dr. Christopher Dirk Keene, MD, PHD for Medicare patients.

lab tests	98

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD.

**Gender**
Male	40
Female	30

**Ethnicity**
Non-Hispanic White	55
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	34
From 75 to 84	19
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD in 2017

Hypertension	73
High Cholesterol	57
Stroke	19
Ischemic Heart Disease	40
Depression	31
Chronic Kidney Disease	41
Asthma	17
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	16
Diabetes	29
Dementia	0
Cancer	21

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Christopher Dirk Keene, MD, PHD treated as an anatomic pathologist in San Diego, CA during 2018 were lab tests.

Volume of procedures performed by Dr. Christopher Dirk Keene, MD, PHD for Medicare patients.

lab tests	45

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD.

**Gender**
Male	24
Female	28

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

Conditions of Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD in 2018

Hypertension	63
High Cholesterol	52
Stroke	0
Ischemic Heart Disease	27
Depression	31
Chronic Kidney Disease	37
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	35
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Christopher Dirk Keene, MD, PHD treated as an anatomic pathologist in San Diego, CA during 2019 were lab tests and consultation.

Volume of procedures performed by Dr. Christopher Dirk Keene, MD, PHD for Medicare patients.

consultation	15
lab tests	37

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD.

**Gender**
Male	34
Female	38

**Ethnicity**
Non-Hispanic White	61
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	28
From 75 to 84	21
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD in 2019

Hypertension	61
High Cholesterol	38
Stroke	0
Ischemic Heart Disease	26
Depression	29
Chronic Kidney Disease	28
Asthma	0
Osteoperosis	0
Atrial Fibrilation	15
Heart Failure	15
Chronic Obstructive Pulmonary Disease	0
Diabetes	21
Dementia	0
Cancer	15

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Christopher Dirk Keene, MD, PHD treated as an anatomic pathologist in San Diego, CA during 2020 were lab tests and consultation.

Volume of procedures performed by Dr. Christopher Dirk Keene, MD, PHD for Medicare patients.

consultation	22
lab tests	78

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD.

**Gender**
Male	41
Female	34

**Ethnicity**
Non-Hispanic White	62
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	36
From 75 to 84	22
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD in 2020

Hypertension	64
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	37
Depression	36
Chronic Kidney Disease	36
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	15
Diabetes	24
Dementia	19
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Christopher Dirk Keene, MD, PHD treated as an anatomic pathologist in San Diego, CA during 2021 were lab tests and consultation.

Volume of procedures performed by Dr. Christopher Dirk Keene, MD, PHD for Medicare patients.

consultation	21
lab tests	41

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD.

**Gender**
Male	25
Female	27

**Ethnicity**
Non-Hispanic White	41
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

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

Conditions of Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD in 2021

Hypertension	73
High Cholesterol	52
Stroke	23
Ischemic Heart Disease	25
Depression	23
Chronic Kidney Disease	31
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	27
Cancer	0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Christopher Dirk Keene, MD, PHD treated as an anatomic pathologist in San Diego, CA during 2022 were lab tests and consultation.

Volume of procedures performed by Dr. Christopher Dirk Keene, MD, PHD for Medicare patients.

consultation	26
lab tests	54

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD.

**Gender**
Male	33
Female	30

**Age**
From 65 to 74	30
From 75 to 84	14
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD in 2022

Hypertension	71
High Cholesterol	60
Stroke	22
Ischemic Heart Disease	19
Depression	24
Chronic Kidney Disease	0
Asthma	19
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	30
Dementia	0
Cancer	17

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Christopher Dirk Keene, MD, PHD treated as an anatomic pathologist in San Diego, CA during 2023 were lab tests.

Volume of procedures performed by Dr. Christopher Dirk Keene, MD, PHD for Medicare patients.

lab tests	14

Conditions of Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD in 2023

Hypertension	58
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Christopher Dirk Keene, MD, PHD treated as an anatomic pathologist in San Diego, CA during 2024 were lab tests and consultation.

Volume of procedures performed by Dr. Christopher Dirk Keene, MD, PHD for Medicare patients.

consultation	60
lab tests	60

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD.

**Gender**
Male	38
Female	46

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

**Age**
From 65 to 74	41
From 75 to 84	28
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD in 2024

Hypertension	70
High Cholesterol	70
Stroke	24
Ischemic Heart Disease	25
Depression	37
Chronic Kidney Disease	21
Asthma	0
Osteoperosis	20
Atrial Fibrilation	20
Heart Failure	0
Chronic Obstructive Pulmonary Disease	15
Diabetes	31
Dementia	0
Cancer	21

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Christopher Dirk Keene, MD, PHD for Medicare patients.

The highest averages for the top procedures that Dr. Christopher Dirk Keene, MD, PHD treated as an anatomic pathologist in San Diego, CA were lab tests, consultation and second opinions.

consultation	24
lab tests	97
second opinions	11

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD.

**Gender**
Female	34
Male	36

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	44
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	0
75 to 84	14
Less than 65	3
65 to 74	33

Average of Total of Conditions of Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Christopher Dirk Keene, MD, PHD treated were hypertension, high cholesterol, depression and chronic kidney disease.

Hypertension	59
High Cholesterol	47
Stroke	11
Ischemic Heart Disease	22
Depression	25
Chronic Kidney Disease	23
Asthma	5
Osteoporosis	1
Heart Failure	5
Chronic Obstructive Pulmonary Disease	5
Diabetes	22
Atrial Fibrillation	3
Cancer	7
Dementia	4

Education & Training

He has a state license in Washington.

Licensed In: Washington

Ratings & Reviews

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Biography

Dr. Christopher Keene has obtained a license to practice in California.

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Dr. Christopher Dirk Keene, MD, PHD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Christopher Dirk Keene, MD, PHD in 2024

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. Christopher Dirk Keene, MD, PHD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

Conditions of Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Christopher Dirk Keene, MD, PHD From 2012 - 2024

Education & Training

Ratings & Reviews

Biography

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