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Dr. Mark Tomera, MD

(No ratings)

Specializes in: General Surgery

Loyola University Chicago, Stritch School of Medicine

Professional interests include: stomach problems, liver disease, gallbladder problems

645 S. Central Avenue
Chicago, IL 60644

(773) 854-5475

Dr. Mark Tomera, MD is a general surgeon in Chicago, IL specializing in general surgery. He graduated from Loyola University Chicago, Stritch School of Medicine. Dr. Mark Tomera, MD is affiliated with Loretto Hospital.

Office Locations

Loretto Hospital

645 S. Central Avenue
Chicago, IL 60644

(773) 854-5475

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7579 Lake Street
River Forest, IL 60305

(708) 366-7177

(708) 366-3301

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Mark Tomera, MD treated as a general surgeon in Chicago, IL during 2012 were debridement (removal of unhealthy tissue), excision, catheterization and hospital care.

Volume of procedures performed by Dr. Mark Tomera, MD for Medicare patients.

anastomosis	23
catheterization	58
debridement (removal of unhealthy tissue)	80
device removal	23
doctor visit	151
excision	80
gastrointestinal procedures	23
hospital care	34
inpatient care	34
minimally invasive procedures	23
tracheal (windpipe) procedures	21

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark Tomera, MD treated as a general surgeon in Chicago, IL during 2013 were debridement (removal of unhealthy tissue), excision, catheterization and anastomosis.

Volume of procedures performed by Dr. Mark Tomera, MD for Medicare patients.

anastomosis	27
catheterization	80
debridement (removal of unhealthy tissue)	104
device removal	23
doctor visit	120
excision	104
gastrointestinal procedures	27
hospital care	17
inpatient care	17
minimally invasive procedures	27
tracheal (windpipe) procedures	14

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Tomera, MD.

**Gender**
Male	103
Female	139

**Ethnicity**
Non-Hispanic White	70
Black	132
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	80
From 75 to 84	67
85 and over	34
Less than 65	61

Conditions of Medicare patients treated by Dr. Mark Tomera, MD in 2013

Hypertension	75
High Cholesterol	53
Stroke	32
Ischemic Heart Disease	73
Depression	38
Chronic Kidney Disease	71
Asthma	26
Osteoperosis	7
Atrial Fibrilation	25
Heart Failure	75
Chronic Obstructive Pulmonary Disease	57
Diabetes	72
Dementia	43
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mark Tomera, MD treated as a general surgeon in Chicago, IL during 2014 were catheterization, debridement (removal of unhealthy tissue), excision and anastomosis.

Volume of procedures performed by Dr. Mark Tomera, MD for Medicare patients.

anastomosis	15
catheterization	48
debridement (removal of unhealthy tissue)	46
doctor visit	76
excision	46
gastrointestinal procedures	15
minimally invasive procedures	15
tracheal (windpipe) procedures	15

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Tomera, MD.

**Gender**
Male	75
Female	73

**Ethnicity**
Non-Hispanic White	56
Black	66
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	59
From 75 to 84	37
85 and over	20
Less than 65	32

Conditions of Medicare patients treated by Dr. Mark Tomera, MD in 2014

Hypertension	75
High Cholesterol	55
Stroke	32
Ischemic Heart Disease	75
Depression	37
Chronic Kidney Disease	72
Asthma	18
Osteoperosis	0
Atrial Fibrilation	24
Heart Failure	75
Chronic Obstructive Pulmonary Disease	51
Diabetes	73
Dementia	46
Cancer	8

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark Tomera, MD treated as a general surgeon in Chicago, IL during 2015 were debridement (removal of unhealthy tissue), excision, catheterization and anastomosis.

Volume of procedures performed by Dr. Mark Tomera, MD for Medicare patients.

anastomosis	31
catheterization	49
debridement (removal of unhealthy tissue)	52
device removal	20
doctor visit	41
excision	52
gastrointestinal procedures	31
minimally invasive procedures	31
tracheal (windpipe) procedures	11

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Tomera, MD.

**Gender**
Male	128
Female	152

**Ethnicity**
Non-Hispanic White	110
Black	114
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	102
From 75 to 84	68
85 and over	26
Less than 65	84

Conditions of Medicare patients treated by Dr. Mark Tomera, MD in 2015

Hypertension	75
High Cholesterol	56
Stroke	26
Ischemic Heart Disease	71
Depression	43
Chronic Kidney Disease	75
Asthma	27
Osteoperosis	9
Atrial Fibrilation	30
Heart Failure	71
Chronic Obstructive Pulmonary Disease	53
Diabetes	69
Dementia	47
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark Tomera, MD treated as a general surgeon in Chicago, IL during 2016 were anastomosis, minimally invasive procedures, catheterization and gastrointestinal procedures.

Volume of procedures performed by Dr. Mark Tomera, MD for Medicare patients.

anastomosis	17
catheterization	17
debridement (removal of unhealthy tissue)	14
doctor visit	39
excision	14
gastrointestinal procedures	17
minimally invasive procedures	17

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Tomera, MD.

**Gender**
Male	52
Female	52

**Ethnicity**
Non-Hispanic White	36
Black	51
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	41
From 75 to 84	34
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark Tomera, MD in 2016

Hypertension	75
High Cholesterol	65
Stroke	26
Ischemic Heart Disease	68
Depression	37
Chronic Kidney Disease	72
Asthma	52
Osteoperosis	0
Atrial Fibrilation	19
Heart Failure	64
Chronic Obstructive Pulmonary Disease	52
Diabetes	67
Dementia	46
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark Tomera, MD treated as a general surgeon in Chicago, IL during 2017 were anastomosis, minimally invasive procedures, catheterization and gastrointestinal procedures.

Volume of procedures performed by Dr. Mark Tomera, MD for Medicare patients.

anastomosis	39
catheterization	39
debridement (removal of unhealthy tissue)	20
doctor visit	33
excision	20
gastrointestinal procedures	39
hospital care	23
inpatient care	23
minimally invasive procedures	39
tracheal (windpipe) procedures	19

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Tomera, MD.

**Gender**
Male	57
Female	75

**Ethnicity**
Non-Hispanic White	43
Black	77
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	43
From 75 to 84	50
85 and over	21
Less than 65	18

Conditions of Medicare patients treated by Dr. Mark Tomera, MD in 2017

Hypertension	75
High Cholesterol	69
Stroke	27
Ischemic Heart Disease	72
Depression	47
Chronic Kidney Disease	75
Asthma	20
Osteoperosis	8
Atrial Fibrilation	33
Heart Failure	75
Chronic Obstructive Pulmonary Disease	53
Diabetes	75
Dementia	59
Cancer	9

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark Tomera, MD treated as a general surgeon in Chicago, IL during 2018 were hospital care, inpatient care, anastomosis and minimally invasive procedures.

Volume of procedures performed by Dr. Mark Tomera, MD for Medicare patients.

anastomosis	36
catheterization	36
gastrointestinal procedures	36
hospital care	58
inpatient care	58
minimally invasive procedures	36
tracheal (windpipe) procedures	21

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Tomera, MD.

**Gender**
Male	60
Female	56

**Ethnicity**
Non-Hispanic White	36
Black	55
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	42
From 75 to 84	38
85 and over	11
Less than 65	25

Conditions of Medicare patients treated by Dr. Mark Tomera, MD in 2018

Hypertension	75
High Cholesterol	68
Stroke	33
Ischemic Heart Disease	75
Depression	45
Chronic Kidney Disease	75
Asthma	15
Osteoperosis	0
Atrial Fibrilation	27
Heart Failure	74
Chronic Obstructive Pulmonary Disease	59
Diabetes	74
Dementia	58
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark Tomera, MD treated as a general surgeon in Chicago, IL during 2019 were hospital care, inpatient care, anastomosis and minimally invasive procedures.

Volume of procedures performed by Dr. Mark Tomera, MD for Medicare patients.

anastomosis	13
catheterization	13
doctor visit	25
gastrointestinal procedures	13
hospital care	23
inpatient care	23
minimally invasive procedures	13

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Tomera, MD.

**Gender**
Male	37
Female	29

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

**Age**
From 65 to 74	26
From 75 to 84	0
85 and over	0
Less than 65	18

Conditions of Medicare patients treated by Dr. Mark Tomera, MD in 2019

Hypertension	75
High Cholesterol	71
Stroke	26
Ischemic Heart Disease	68
Depression	53
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	24
Heart Failure	74
Chronic Obstructive Pulmonary Disease	50
Diabetes	71
Dementia	62
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mark Tomera, MD treated as a general surgeon in Chicago, IL during 2020 were hospital care, inpatient care, anastomosis and minimally invasive procedures.

Volume of procedures performed by Dr. Mark Tomera, MD for Medicare patients.

anastomosis	16
catheterization	16
gastrointestinal procedures	16
hospital care	20
inpatient care	20
minimally invasive procedures	16

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Tomera, MD.

**Gender**
Male	20
Female	27

**Ethnicity**
Non-Hispanic White	0
Black	23
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	18
From 75 to 84	14
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Mark Tomera, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	34
Ischemic Heart Disease	66
Depression	55
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	28
Heart Failure	75
Chronic Obstructive Pulmonary Disease	55
Diabetes	72
Dementia	62
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mark Tomera, MD treated as a general surgeon in Chicago, IL during 2021 were hospital care and inpatient care.

Volume of procedures performed by Dr. Mark Tomera, MD for Medicare patients.

hospital care	12
inpatient care	12

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark Tomera, MD.

**Ethnicity**
Non-Hispanic White	0
Black	12
Hispanic	0
Asian	0
Other	0
Native American	0

Conditions of Medicare patients treated by Dr. Mark Tomera, MD in 2021

Hypertension	75
High Cholesterol	71
Stroke	0
Ischemic Heart Disease	67
Depression	0
Chronic Kidney Disease	71
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	46
Chronic Obstructive Pulmonary Disease	50
Diabetes	50
Dementia	58
Cancer	0

Medicare Procedure and Patient Information

Conditions of Medicare patients treated by Dr. Mark Tomera, MD in 2022

Hypertension	75
High Cholesterol	0
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

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Mark Tomera, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mark Tomera, MD treated as a general surgeon in Chicago, IL were debridement (removal of unhealthy tissue), excision, catheterization and hospital care.

anastomosis	24
catheterization	39
debridement (removal of unhealthy tissue)	52
device removal	22
doctor visit	69
excision	52
gastrointestinal procedures	24
hospital care	26
inpatient care	26
minimally invasive procedures	24
tracheal (windpipe) procedures	16

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Mark Tomera, MD.

**Gender**
Male	48
Female	54

**Ethnicity**
Black / African American	48
Asian / Pacific Islander	0
Non-Hispanic White	34
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	28
85 and over	10
Less than 65	21
65 to 74	37

Average of Total of Conditions of Medicare patients treated by Dr. Mark Tomera, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Mark Tomera, MD treated were hypertension, chronic kidney disease, heart failure and ischemic heart disease.

Hypertension	68
High Cholesterol	53
Stroke	21
Ischemic Heart Disease	57
Depression	32
Chronic Kidney Disease	60
Asthma	14
Osteoporosis	2
Heart Failure	57
Chronic Obstructive Pulmonary Disease	43
Diabetes	56
Atrial Fibrillation	19
Dementia	43
Cancer	5

Education & Training

Dr. Mark Tomera, MD graduated from Loyola University Chicago, Stritch School of Medicine. He completed residency at Chicago Medical School. He has a state license in Illinois.

Medical School: Loyola University Chicago, Stritch School of Medicine

Residency: Chicago Medical School

Licensed In: Illinois

Affiliations & Hospitals

Dr. Mark Tomera, MD is associated with these hospitals and organizations:

Loretto Hospital

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General Payments

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

**Payments by Company**
Celgene Corporation	$127 None $127
EUSA Pharma (US) LLC	$20 Sylvant $20
Covidien Sales LLC	$17 Vessel Sealing $17

**Types of Payments**
Travel and Lodging	$127
Food and Beverage	$37

Biography

Dr. Mark Tomera is a physician who specializes in general surgery. In his practice, Dr. Tomera focuses on stomach problems, gallbladder problems, and liver disease. Dr. Tomera is professionally affiliated with Loretto Hospital. After attending Autonomous University of Guadalajara Faculty of Medicine and Loyola University Chicago, Stritch School of Medicine, he completed his residency training at Chicago Medical School.