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Home > CA Providers > Surgical Oncologists

Dr. Thomas J. Lomis, MD

(3 Ratings)

Specializes in: General Surgery and Surgical Oncology (Cancer Surgery)

15211 Vanowen Street Suite #208
Van Nuys, CA 91405

(818) 782-3255

Dr. Thomas J. Lomis, MD is a general surgeon in Van Nuys, CA specializing in general surgery and surgical oncology (cancer surgery). Dr. Thomas J. Lomis, MD is affiliated with Valley Presbyterian Hospital .

Office Locations

15211 Vanowen Street Suite #208
Van Nuys, CA 91405

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Noteworthy Medicare Patient Procedures Performed by Dr. Thomas J. Lomis, MD in 2023

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

Top 5%

By Volume:

screening test

In 2023, Dr. Thomas J. Lomis, MD performed more screening test procedures for Medicare patients than 95% of providers in related specialties within California.

Top 25%

By Volume:

breast imaging

breast ultrasound

inpatient hospital care

X-rays

By Affordability:

hospital care

inpatient care

inpatient hospital care

In 2012, among providers in related specialties within California, Dr. Thomas J. Lomis, MD performed more breast imaging, breast ultrasound, inpatient hospital care (for patient admitted to hospital), and X-rays procedures for Medicare patients than 75% of them and he also had a list price for hospital care, inpatient care, and inpatient hospital care (for patient admitted to hospital) 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. Thomas J. Lomis, MD treated as a general surgeon in Van Nuys, CA during 2012 were women's imaging, breast procedures, X-rays and preventive care.

Volume of procedures performed by Dr. Thomas J. Lomis, MD for Medicare patients.

breast procedures	799
diagnostic imaging	135
doctor visit	94
musculoskeletal imaging	52
pelvic imaging	63
preventive care	543
ultrasound (sonogram)	184
women's imaging	830
X-rays	730

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Thomas J. Lomis, MD treated as a general surgeon in Van Nuys, CA during 2013 were women's imaging, breast procedures, X-rays and preventive care.

Volume of procedures performed by Dr. Thomas J. Lomis, MD for Medicare patients.

breast procedures	920
diagnostic imaging	127
diagnostic procedures	18
doctor visit	143
image guided procedures	18
minimally invasive procedures	18
minor procedures	18
musculoskeletal imaging	112
pelvic imaging	69
preventive care	608
ultrasound (sonogram)	236
women's imaging	936
X-rays	847

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas J. Lomis, MD.

**Gender**
Male	47
Female	808

**Ethnicity**
Non-Hispanic White	220
Black	44
Hispanic	536
Asian	39
Other	16
Native American	0

**Age**
From 65 to 74	407
From 75 to 84	207
85 and over	51
Less than 65	190

Conditions of Medicare patients treated by Dr. Thomas J. Lomis, MD in 2013

Hypertension	73
High Cholesterol	61
Stroke	4
Ischemic Heart Disease	29
Depression	21
Chronic Kidney Disease	16
Asthma	8
Osteoperosis	15
Atrial Fibrilation	4
Heart Failure	13
Chronic Obstructive Pulmonary Disease	9
Diabetes	45
Dementia	8
Cancer	9

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Thomas J. Lomis, MD treated as a general surgeon in Van Nuys, CA during 2014 were women's imaging, breast procedures, X-rays and preventive care.

Volume of procedures performed by Dr. Thomas J. Lomis, MD for Medicare patients.

breast procedures	790
diagnostic imaging	63
doctor visit	185
hospital care	14
inpatient care	14
musculoskeletal imaging	72
pelvic imaging	44
preventive care	580
ultrasound (sonogram)	202
vascular procedures	11
women's imaging	811
X-rays	715

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas J. Lomis, MD.

**Gender**
Male	63
Female	744

**Ethnicity**
Non-Hispanic White	202
Black	37
Hispanic	509
Asian	42
Other	17
Native American	0

**Age**
From 65 to 74	412
From 75 to 84	174
85 and over	55
Less than 65	166

Conditions of Medicare patients treated by Dr. Thomas J. Lomis, MD in 2014

Hypertension	71
High Cholesterol	59
Stroke	3
Ischemic Heart Disease	28
Depression	20
Chronic Kidney Disease	16
Asthma	8
Osteoperosis	14
Atrial Fibrilation	4
Heart Failure	12
Chronic Obstructive Pulmonary Disease	9
Diabetes	47
Dementia	7
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Thomas J. Lomis, MD treated as a general surgeon in Van Nuys, CA during 2015 were women's imaging, breast procedures, X-rays and preventive care.

Volume of procedures performed by Dr. Thomas J. Lomis, MD for Medicare patients.

abdominal imaging	20
breast procedures	1046
diagnostic imaging	94
diagnostic procedures	14
doctor visit	228
image guided procedures	14
minimally invasive procedures	14
minor procedures	14
musculoskeletal imaging	132
pelvic imaging	40
preventive care	602
ultrasound (sonogram)	396
women's imaging	1051
X-rays	828

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas J. Lomis, MD.

**Gender**
Male	148
Female	1594

**Ethnicity**
Non-Hispanic White	400
Black	76
Hispanic	1130
Asian	100
Other	36
Native American	0

**Age**
From 65 to 74	944
From 75 to 84	362
85 and over	92
Less than 65	344

Conditions of Medicare patients treated by Dr. Thomas J. Lomis, MD in 2015

Hypertension	68
High Cholesterol	57
Stroke	4
Ischemic Heart Disease	28
Depression	19
Chronic Kidney Disease	17
Asthma	8
Osteoperosis	17
Atrial Fibrilation	4
Heart Failure	9
Chronic Obstructive Pulmonary Disease	6
Diabetes	44
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Thomas J. Lomis, MD treated as a general surgeon in Van Nuys, CA during 2016 were women's imaging, breast procedures, X-rays and preventive care.

Volume of procedures performed by Dr. Thomas J. Lomis, MD for Medicare patients.

abdominal imaging	17
breast procedures	1328
diagnostic imaging	134
diagnostic procedures	18
doctor visit	303
image guided procedures	18
minimally invasive procedures	18
minor procedures	18
musculoskeletal imaging	170
pelvic imaging	55
preventive care	706
ultrasound (sonogram)	542
women's imaging	1336
X-rays	1010

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas J. Lomis, MD.

**Gender**
Male	81
Female	934

**Ethnicity**
Non-Hispanic White	255
Black	53
Hispanic	621
Asian	61
Other	0
Native American	0

**Age**
From 65 to 74	547
From 75 to 84	209
85 and over	59
Less than 65	200

Conditions of Medicare patients treated by Dr. Thomas J. Lomis, MD in 2016

Hypertension	69
High Cholesterol	58
Stroke	2
Ischemic Heart Disease	29
Depression	22
Chronic Kidney Disease	25
Asthma	15
Osteoperosis	18
Atrial Fibrilation	4
Heart Failure	12
Chronic Obstructive Pulmonary Disease	10
Diabetes	47
Dementia	7
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Thomas J. Lomis, MD treated as a general surgeon in Van Nuys, CA during 2017 were women's imaging, breast procedures, X-rays and preventive care.

Volume of procedures performed by Dr. Thomas J. Lomis, MD for Medicare patients.

abdominal imaging	12
breast procedures	1217
diagnostic imaging	140
diagnostic procedures	20
doctor visit	326
image guided procedures	20
minimally invasive procedures	20
minor procedures	20
musculoskeletal imaging	133
pelvic imaging	52
preventive care	569
ultrasound (sonogram)	552
women's imaging	1218
X-rays	842

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas J. Lomis, MD.

**Gender**
Male	80
Female	837

**Ethnicity**
Non-Hispanic White	221
Black	67
Hispanic	535
Asian	54
Other	0
Native American	0

**Age**
From 65 to 74	489
From 75 to 84	159
85 and over	60
Less than 65	209

Conditions of Medicare patients treated by Dr. Thomas J. Lomis, MD in 2017

Hypertension	68
High Cholesterol	53
Stroke	3
Ischemic Heart Disease	24
Depression	24
Chronic Kidney Disease	26
Asthma	9
Osteoperosis	19
Atrial Fibrilation	3
Heart Failure	10
Chronic Obstructive Pulmonary Disease	9
Diabetes	43
Dementia	9
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Thomas J. Lomis, MD treated as a general surgeon in Van Nuys, CA during 2018 were breast procedures, women's imaging, ultrasound (sonogram) and X-rays.

Volume of procedures performed by Dr. Thomas J. Lomis, MD for Medicare patients.

breast procedures	279
diagnostic imaging	42
doctor visit	264
preventive care	91
ultrasound (sonogram)	146
women's imaging	279
X-rays	133

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas J. Lomis, MD.

**Gender**
Male	46
Female	257

**Ethnicity**
Non-Hispanic White	72
Black	53
Hispanic	141
Asian	22
Other	15
Native American	0

**Age**
From 65 to 74	173
From 75 to 84	44
85 and over	16
Less than 65	70

Conditions of Medicare patients treated by Dr. Thomas J. Lomis, MD in 2018

Hypertension	72
High Cholesterol	59
Stroke	5
Ischemic Heart Disease	36
Depression	26
Chronic Kidney Disease	26
Asthma	12
Osteoperosis	16
Atrial Fibrilation	5
Heart Failure	20
Chronic Obstructive Pulmonary Disease	11
Diabetes	46
Dementia	11
Cancer	31

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Thomas J. Lomis, MD treated as a general surgeon in Van Nuys, CA during 2019 were breast procedures, women's imaging, X-rays and ultrasound (sonogram).

Volume of procedures performed by Dr. Thomas J. Lomis, MD for Medicare patients.

breast procedures	264
diagnostic imaging	32
doctor visit	180
preventive care	110
ultrasound (sonogram)	122
women's imaging	264
X-rays	142

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas J. Lomis, MD.

**Gender**
Male	29
Female	240

**Ethnicity**
Non-Hispanic White	67
Black	44
Hispanic	123
Asian	22
Other	13
Native American	0

**Age**
From 65 to 74	152
From 75 to 84	48
85 and over	11
Less than 65	58

Conditions of Medicare patients treated by Dr. Thomas J. Lomis, MD in 2019

Hypertension	69
High Cholesterol	56
Stroke	4
Ischemic Heart Disease	32
Depression	25
Chronic Kidney Disease	29
Asthma	11
Osteoperosis	15
Atrial Fibrilation	4
Heart Failure	20
Chronic Obstructive Pulmonary Disease	9
Diabetes	45
Dementia	7
Cancer	29

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Thomas J. Lomis, MD treated as a general surgeon in Van Nuys, CA during 2020 were breast procedures, women's imaging, ultrasound (sonogram) and X-rays.

Volume of procedures performed by Dr. Thomas J. Lomis, MD for Medicare patients.

breast procedures	208
diagnostic imaging	22
doctor visit	148
preventive care	62
ultrasound (sonogram)	124
women's imaging	208
X-rays	84

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas J. Lomis, MD.

**Gender**
Male	17
Female	204

**Ethnicity**
Non-Hispanic White	54
Black	38
Hispanic	99
Asian	17
Other	13
Native American	0

**Age**
From 65 to 74	128
From 75 to 84	0
85 and over	0
Less than 65	56

Conditions of Medicare patients treated by Dr. Thomas J. Lomis, MD in 2020

Hypertension	70
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	32
Depression	35
Chronic Kidney Disease	35
Asthma	11
Osteoperosis	14
Atrial Fibrilation	0
Heart Failure	18
Chronic Obstructive Pulmonary Disease	11
Diabetes	48
Dementia	10
Cancer	37

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Thomas J. Lomis, MD treated as a general surgeon in Van Nuys, CA during 2021 were breast procedures, women's imaging, X-rays and ultrasound (sonogram).

Volume of procedures performed by Dr. Thomas J. Lomis, MD for Medicare patients.

abdominal imaging	14
breast procedures	277
CT scan	14
diagnostic imaging	50
doctor visit	220
musculoskeletal imaging	14
pelvic imaging	14
preventive care	99
ultrasound (sonogram)	128
women's imaging	277
X-rays	163

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas J. Lomis, MD.

**Gender**
Male	39
Female	293

**Ethnicity**
Non-Hispanic White	88
Black	46
Hispanic	142
Asian	29
Other	27
Native American	0

**Age**
From 65 to 74	203
From 75 to 84	43
85 and over	16
Less than 65	70

Conditions of Medicare patients treated by Dr. Thomas J. Lomis, MD in 2021

Hypertension	68
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	33
Depression	27
Chronic Kidney Disease	30
Asthma	12
Osteoperosis	16
Atrial Fibrilation	5
Heart Failure	17
Chronic Obstructive Pulmonary Disease	12
Diabetes	43
Dementia	11
Cancer	42

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Thomas J. Lomis, MD treated as a general surgeon in Van Nuys, CA during 2022 were breast procedures, women's imaging, X-rays and ultrasound (sonogram).

Volume of procedures performed by Dr. Thomas J. Lomis, MD for Medicare patients.

abdominal imaging	22
breast procedures	288
CT scan	38
diagnostic imaging	56
diagnostic procedures	11
doctor visit	249
image guided procedures	11
minimally invasive procedures	11
minor procedures	11
pelvic imaging	22
preventive care	87
thoracic (chest) imaging	16
ultrasound (sonogram)	134
women's imaging	277
X-rays	143

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas J. Lomis, MD.

**Gender**
Male	53
Female	310

**Ethnicity**
Non-Hispanic White	93
Black	45
Hispanic	168
Asian	29
Other	28
Native American	0

**Age**
From 65 to 74	226
From 75 to 84	61
85 and over	13
Less than 65	63

Conditions of Medicare patients treated by Dr. Thomas J. Lomis, MD in 2022

Hypertension	75
High Cholesterol	72
Stroke	5
Ischemic Heart Disease	26
Depression	23
Chronic Kidney Disease	18
Asthma	14
Osteoperosis	21
Atrial Fibrilation	9
Heart Failure	15
Chronic Obstructive Pulmonary Disease	12
Diabetes	50
Dementia	6
Cancer	42

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Thomas J. Lomis, MD for Medicare patients.

The highest averages for the top procedures that Dr. Thomas J. Lomis, MD treated as a general surgeon in Van Nuys, CA were women's imaging, breast procedures, X-rays and preventive care.

abdominal imaging	17
breast procedures	674
CT scan	26
diagnostic imaging	81
diagnostic procedures	16
doctor visit	212
hospital care	14
image guided procedures	16
inpatient care	14
minimally invasive procedures	16
minor procedures	16
musculoskeletal imaging	97
pelvic imaging	44
preventive care	368
thoracic (chest) imaging	16
ultrasound (sonogram)	251
vascular procedures	11
women's imaging	680
X-rays	512

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Thomas J. Lomis, MD.

**Gender**
Male	54
Female	565

**Ethnicity**
Black / African American	45
Asian / Pacific Islander	37
Non-Hispanic White	152
Native American / Alaskan Native	0
Hispanic	364
Other	15

**Age**
75 to 84	118
85 and over	33
Less than 65	129
65 to 74	334

Average of Total of Conditions of Medicare patients treated by Dr. Thomas J. Lomis, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Thomas J. Lomis, MD treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	63
High Cholesterol	54
Stroke	2
Ischemic Heart Disease	27
Depression	22
Chronic Kidney Disease	21
Asthma	9
Osteoporosis	15
Heart Failure	13
Chronic Obstructive Pulmonary Disease	8
Diabetes	41
Atrial Fibrillation	3
Dementia	7
Cancer	21

Education & Training

He has a state license in California.

Licensed In: California

Affiliations & Hospitals

Dr. Thomas J. Lomis, MD is associated with these hospitals and organizations:

Valley Presbyterian Hospital

Ratings & Reviews

Dr. Thomas J. Lomis, MD has a high overall rating with an average of 3.67 out of 5 stars based on 3 ratings. We collect ratings and reviews of Dr. Thomas J. Lomis, MD from all over the web to help you find the right in Van Nuys, CA.

3.67

Overall Rating

(3 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
Pacira Pharmaceuticals Incorporated	$677 Exparel $677
Ipsen Biopharmaceuticals, Inc	$494 ONIVYDE $494
Genentech USA, Inc.	$428 Perjeta $191	TECENTRIQ $129	Kadcyla $85	Phesgo $23
Amgen Inc.	$385 Vectibix $151	XGEVA $130	Neulasta $38	Kyprolis $26	LUMAKRAS $20	Other $20
AstraZeneca Pharmaceuticals LP	$345 Enhertu $268	LYNPARZA $43	IMFINZI $19	FASLODEX $15
Other	$4,934 OFIRMEV $303	ZEJULA $277	Da Vinci Surgical System $229	SOLIRIS $212	XPOVIO $163	Other $3,749

**Types of Payments**
Food and Beverage	$6,723
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$500
Education	$39

Research Payments

Dr. Thomas J. Lomis, MD has received 12 research payments totaling $557,964.

Biography

Dr. Thomas Lomis' areas of specialization are general surgery and surgical oncology (cancer surgery). Dr. Lomis graduated from the University of Pittsburgh School of Medicine. He has received a 3.5 out of 5 star rating by his patients. He is professionally affiliated with Valley Presbyterian Hospital.