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Dr. Robert Patrick Lum, MD

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Specializes in: Radiation Oncology

Case Western Reserve University School of Medicine

1901 Holser Walk Suite 305
Oxnard, CA 93036

(805) 485-2824

Dr. Robert Patrick Lum, MD is a radiation oncologist in Oxnard, CA specializing in radiation oncology. He graduated from Case Western Reserve University School of Medicine. Dr. Robert Patrick Lum, MD is affiliated with Dignity Health and St John's Regional Med Center/St John's Hospital Camarillo.

Office Locations

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

1901 Holser Walk Suite 305
Oxnard, CA 93036

(805) 485-2824

(805) 485-4655

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Noteworthy Medicare Patient Procedures Performed by Dr. Robert Patrick Lum, MD in 2023

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

Top 5%

By Affordability:

conventional external beam radiation therapy

external beam radiation therapy

In 2023, Dr. Robert Patrick Lum, MD had a list price for conventional external beam radiation therapy, and external beam radiation therapy (EBRT) 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 10%

By Volume:

conventional external beam radiation therapy

In 2023, Dr. Robert Patrick Lum, MD performed more conventional external beam radiation therapy procedures for Medicare patients than 90% of providers in related specialties within California.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Robert Patrick Lum, MD treated as a radiation oncologist in Oxnard, CA during 2012 were radiation therapy.

Volume of procedures performed by Dr. Robert Patrick Lum, MD for Medicare patients.

doctor visit	637
radiation therapy	2103

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Robert Patrick Lum, MD treated as a radiation oncologist in Oxnard, CA during 2013 were radiation therapy.

Volume of procedures performed by Dr. Robert Patrick Lum, MD for Medicare patients.

doctor visit	642
radiation therapy	2027

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert Patrick Lum, MD.

**Gender**
Male	84
Female	89

**Ethnicity**
Non-Hispanic White	111
Black	0
Hispanic	41
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	67
From 75 to 84	72
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Robert Patrick Lum, MD in 2013

Hypertension	75
High Cholesterol	68
Stroke	13
Ischemic Heart Disease	45
Depression	19
Chronic Kidney Disease	29
Asthma	7
Osteoperosis	7
Atrial Fibrilation	11
Heart Failure	21
Chronic Obstructive Pulmonary Disease	13
Diabetes	37
Dementia	11
Cancer	71

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Robert Patrick Lum, MD treated as a radiation oncologist in Oxnard, CA during 2014 were radiation therapy.

Volume of procedures performed by Dr. Robert Patrick Lum, MD for Medicare patients.

doctor visit	585
radiation therapy	1689

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert Patrick Lum, MD.

**Gender**
Male	79
Female	90

**Ethnicity**
Non-Hispanic White	116
Black	0
Hispanic	35
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	61
From 75 to 84	73
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Robert Patrick Lum, MD in 2014

Hypertension	71
High Cholesterol	64
Stroke	0
Ischemic Heart Disease	43
Depression	15
Chronic Kidney Disease	33
Asthma	7
Osteoperosis	0
Atrial Fibrilation	14
Heart Failure	22
Chronic Obstructive Pulmonary Disease	15
Diabetes	37
Dementia	9
Cancer	72

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Robert Patrick Lum, MD treated as a radiation oncologist in Oxnard, CA during 2015 were radiation therapy.

Volume of procedures performed by Dr. Robert Patrick Lum, MD for Medicare patients.

doctor visit	810
radiation therapy	1808

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert Patrick Lum, MD.

**Gender**
Male	208
Female	216

**Ethnicity**
Non-Hispanic White	306
Black	0
Hispanic	76
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	168
From 75 to 84	176
85 and over	58
Less than 65	22

Conditions of Medicare patients treated by Dr. Robert Patrick Lum, MD in 2015

Hypertension	65
High Cholesterol	56
Stroke	7
Ischemic Heart Disease	40
Depression	12
Chronic Kidney Disease	30
Asthma	13
Osteoperosis	8
Atrial Fibrilation	16
Heart Failure	23
Chronic Obstructive Pulmonary Disease	20
Diabetes	39
Dementia	8
Cancer	58

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Robert Patrick Lum, MD treated as a radiation oncologist in Oxnard, CA during 2016 were radiation therapy.

Volume of procedures performed by Dr. Robert Patrick Lum, MD for Medicare patients.

doctor visit	509
radiation therapy	1075

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert Patrick Lum, MD.

**Gender**
Male	84
Female	80

**Ethnicity**
Non-Hispanic White	125
Black	0
Hispanic	28
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	67
From 75 to 84	65
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Robert Patrick Lum, MD in 2016

Hypertension	71
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	38
Depression	18
Chronic Kidney Disease	35
Asthma	19
Osteoperosis	13
Atrial Fibrilation	18
Heart Failure	24
Chronic Obstructive Pulmonary Disease	18
Diabetes	38
Dementia	8
Cancer	57

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Robert Patrick Lum, MD treated as a radiation oncologist in Oxnard, CA during 2017 were radiation therapy.

Volume of procedures performed by Dr. Robert Patrick Lum, MD for Medicare patients.

doctor visit	562
radiation therapy	759

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert Patrick Lum, MD.

**Gender**
Male	99
Female	74

**Ethnicity**
Non-Hispanic White	130
Black	0
Hispanic	26
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	72
From 75 to 84	60
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Robert Patrick Lum, MD in 2017

Hypertension	73
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	32
Depression	13
Chronic Kidney Disease	35
Asthma	6
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	17
Chronic Obstructive Pulmonary Disease	17
Diabetes	36
Dementia	13
Cancer	53

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Robert Patrick Lum, MD treated as a radiation oncologist in Oxnard, CA during 2018 were radiation therapy.

Volume of procedures performed by Dr. Robert Patrick Lum, MD for Medicare patients.

doctor visit	390
radiation therapy	615

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert Patrick Lum, MD.

**Gender**
Male	96
Female	60

**Ethnicity**
Non-Hispanic White	120
Black	0
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	73
From 75 to 84	46
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Robert Patrick Lum, MD in 2018

Hypertension	73
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	37
Depression	17
Chronic Kidney Disease	31
Asthma	7
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	19
Chronic Obstructive Pulmonary Disease	18
Diabetes	26
Dementia	0
Cancer	47

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Robert Patrick Lum, MD treated as a radiation oncologist in Oxnard, CA during 2019 were radiation therapy.

Volume of procedures performed by Dr. Robert Patrick Lum, MD for Medicare patients.

doctor visit	599
radiation therapy	895

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert Patrick Lum, MD.

**Gender**
Male	112
Female	71

**Ethnicity**
Non-Hispanic White	122
Black	0
Hispanic	41
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	80
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Robert Patrick Lum, MD in 2019

Hypertension	75
High Cholesterol	60
Stroke	7
Ischemic Heart Disease	41
Depression	15
Chronic Kidney Disease	38
Asthma	0
Osteoperosis	0
Atrial Fibrilation	16
Heart Failure	21
Chronic Obstructive Pulmonary Disease	13
Diabetes	37
Dementia	9
Cancer	55

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Robert Patrick Lum, MD treated as a radiation oncologist in Oxnard, CA during 2020 were radiation therapy.

Volume of procedures performed by Dr. Robert Patrick Lum, MD for Medicare patients.

doctor visit	443
radiation therapy	581

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert Patrick Lum, MD.

**Gender**
Male	99
Female	70

**Ethnicity**
Non-Hispanic White	116
Black	0
Hispanic	32
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	68
From 75 to 84	66
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Robert Patrick Lum, MD in 2020

Hypertension	66
High Cholesterol	57
Stroke	0
Ischemic Heart Disease	36
Depression	13
Chronic Kidney Disease	34
Asthma	7
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	21
Chronic Obstructive Pulmonary Disease	12
Diabetes	24
Dementia	7
Cancer	55

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Robert Patrick Lum, MD treated as a radiation oncologist in Oxnard, CA during 2021 were radiation therapy.

Volume of procedures performed by Dr. Robert Patrick Lum, MD for Medicare patients.

doctor visit	341
radiation therapy	529

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert Patrick Lum, MD.

**Gender**
Male	85
Female	59

**Ethnicity**
Non-Hispanic White	101
Black	0
Hispanic	26
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	47
From 75 to 84	73
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Robert Patrick Lum, MD in 2021

Hypertension	68
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	40
Depression	16
Chronic Kidney Disease	38
Asthma	9
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	19
Chronic Obstructive Pulmonary Disease	15
Diabetes	33
Dementia	10
Cancer	56

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Robert Patrick Lum, MD treated as a radiation oncologist in Oxnard, CA during 2022 were radiation therapy.

Volume of procedures performed by Dr. Robert Patrick Lum, MD for Medicare patients.

doctor visit	316
radiation therapy	698

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert Patrick Lum, MD.

**Gender**
Male	72
Female	54

**Ethnicity**
Non-Hispanic White	94
Black	0
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	44
From 75 to 84	50
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Robert Patrick Lum, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	26
Depression	13
Chronic Kidney Disease	26
Asthma	9
Osteoperosis	19
Atrial Fibrilation	22
Heart Failure	14
Chronic Obstructive Pulmonary Disease	14
Diabetes	31
Dementia	0
Cancer	52

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Robert Patrick Lum, MD for Medicare patients.

The highest averages for the top procedures that Dr. Robert Patrick Lum, MD treated as a radiation oncologist in Oxnard, CA were radiation therapy.

doctor visit	530
radiation therapy	1161

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Robert Patrick Lum, MD.

**Gender**
Male	92
Female	78

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	121
Hispanic	31
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	61
85 and over	5
Less than 65	2
65 to 74	67

Average of Total of Conditions of Medicare patients treated by Dr. Robert Patrick Lum, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Robert Patrick Lum, MD treated were hypertension, high cholesterol, cancer and ischemic heart disease.

Hypertension	64
High Cholesterol	56
Stroke	3
Ischemic Heart Disease	34
Depression	13
Chronic Kidney Disease	29
Asthma	7
Osteoporosis	7
Heart Failure	18
Chronic Obstructive Pulmonary Disease	14
Diabetes	30
Atrial Fibrillation	13
Cancer	52
Dementia	6

Education & Training

Dr. Robert Patrick Lum, MD graduated from Case Western Reserve University School of Medicine. He completed residency at University of California, Irvine Affiliated Hospitals. He is certified by the Radiology Radiation Oncology and has a state license in California.

Medical School: Case Western Reserve University School of Medicine

Residency: University of California, Irvine Affiliated Hospitals

Board Certification: Radiology Radiation Oncology

Licensed In: California

Affiliations & Hospitals

Dr. Robert Patrick Lum, MD is associated with these hospitals and organizations:

Dignity Health

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

Ratings & Reviews

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General Payments

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

**Payments by Company**
AstraZeneca Pharmaceuticals LP	$205 LYNPARZA $113	TAGRISSO $49	IMFINZI $44
iCAD, Inc	$162 Axxent Controller $162
TESARO, Inc.	$152 ZEJULA $152
E.R. Squibb & Sons, L.L.C.	$148 OPDIVO $126	EMPLICITI $22
Celgene Corporation	$143 Revlimid $118	$25
Other	$607 JEVTANA $116	Rubraca $116	Kyprolis $115	KEYTRUDA $95	IMBRUVICA $45	Other $120

**Types of Payments**
Food and Beverage	$1,417

Biography

Dr. Robert Lum's area of specialization is radiation oncology. He is affiliated with Dignity Health. Unfortunately, according to Dignity Health, Dr. Lum is not currently accepting new patients. He is a graduate of Case Western Reserve University School of Medicine. Dr. Lum's medical residency was performed at a hospital affiliated with the University of California, Irvine.

Select Year:

Dr. Robert Patrick Lum, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Robert Patrick Lum, 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. Robert Patrick Lum, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Robert Patrick Lum, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Robert Patrick Lum, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Robert Patrick Lum, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Robert Patrick Lum, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Robert Patrick Lum, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Robert Patrick Lum, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Robert Patrick Lum, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Robert Patrick Lum, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Robert Patrick Lum, 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. Robert Patrick Lum, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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