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Dr. Toby Charles Cornish, MD, PhD

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Specializes in: Anatomic Pathology

University of Illinois College of Medicine at Chicago (2005)

Professional interests include: gastrointestinal problems (digestive disorders)

900 N 92nd Street
Milwaukee, WI 53226

(414) 805-6966

Dr. Toby Charles Cornish, MD, PhD is an anatomic pathologist in Milwaukee, WI specializing in anatomic pathology. He graduated from University of Illinois College of Medicine at Chicago in 2005 and has 21 years of experience. Dr. Toby Charles Cornish, MD, PhD is affiliated with Medical College of Wisconsin, Froedtert & the Medical College of Wisconsin Regional Health Network and THE MEDICAL COLLEGE OF WISCONSIN INC.

Office Locations

900 N 92nd Street
Milwaukee, WI 53226

(414) 805-6966

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Some issues Dr. Toby Charles Cornish, MD, PhD can help you with:

Gastrointestinal Problems (Digestive Disorders)

The gastrointestinal system, or GI tract, is the name given to a collection of organs that work together to digest food. These organs fit together in a long tube, running from the mouth to the anus, and include the esophagus, stomach, and intestines, among others. With so many parts working together, complicated by today's busy lifestyles and diets, digestive problems are common. As many as 1 in 3 Americans have a digestive or GI disorder. There are a huge variety of digestive problems, but the most common are IBS, constipation, GERD, hemorrhoids, and ulcers.

IBS, or irritable bowel syndrome, happens when the muscles surrounding the colon contract too easily or frequently. The result is abdominal pain, cramps, diarrhea or constipation, gas and bloating. IBS attacks can often be brought on by specific triggers, so a key part of treatment is learning which foods trigger IBS attacks and avoiding them. Treatment also includes exercise, avoiding stress, and medications if needed.

Constipation, or large, hard, or infrequent stools, happens to everyone at some point. It can be caused by a disruption in routine or food, or by eating a diet without many fresh fruits and vegetables. Although it is uncomfortable, constipation is common and usually not serious, but it can sometimes become chronic. Adding fiber to the diet, exercising, and taking medications may help.

GERD, or gastroesophageal reflux disease, is a severe form of chronic heartburn where stomach acid spills back up into the esophagus. Left untreated, the acid may even eat away at the esophagus and cause serious damage. Treatment includes changing the diet to avoid trigger foods, losing weight if needed, medications, or even surgery.

Hemorrhoids are blood vessels around the rectum that become irritated, swollen or torn while straining during a bowel movement. They are most often caused by constipation, but can also be caused by pregnancy, diarrhea, or simply a genetic predisposition towards hemorrhoids. Treatment involves first treating any constipation issues, then keeping the area clean and soothed until it has healed. If these measures are ineffective, surgery is sometimes used.

Peptic ulcers are sores or spots of inflammation in the lining of the stomach or close to the stomach in the small intestine. Usually this area is coated with a protective lining that shields the tissue from the strong stomach acid, but a break in the lining can let acid in, causing the sores. It used to be thought that stress caused ulcers, but now it is known that is not the case. Most often, they are caused by an infection by H. pylori bacteria, but ulcers can also be caused by alcohol abuse or overuse of aspirin, ibuprofen, naproxen, or other NSAIDS. The symptoms of an ulcer are pain, hunger, nausea, and fatigue.

Gastrointestinal problems, perhaps more than any other area, are markedly affected by lifestyle. Many disorders can be prevented or treated at least in part by eating a healthy diet high in fiber, exercising regularly, drinking enough water, and limiting alcohol intake. Still, the frequency of digestive disorders means that even the healthiest person can be affected by them. Anyone who notices blood in their stool, experiences abdominal pain, unexplained weight loss, or any significant change in bowel movements should see a doctor.

Noteworthy Medicare Patient Procedures Performed by Dr. Toby Charles Cornish, MD, PhD in 2023

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

Top 25%

By Affordability:

immunohistochemistry test

lab tests

In 2012, Dr. Toby Charles Cornish, MD, PhD had a list price for immunohistochemistry (IHC) test, and lab tests that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Wisconsin. 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. Toby Charles Cornish, MD, PhD treated as an anatomic pathologist in Milwaukee, WI during 2012 were lab tests.

Volume of procedures performed by Dr. Toby Charles Cornish, MD, PhD for Medicare patients.

lab tests	384

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Toby Charles Cornish, MD, PhD treated as an anatomic pathologist in Milwaukee, WI during 2013 were lab tests.

Volume of procedures performed by Dr. Toby Charles Cornish, MD, PhD for Medicare patients.

lab tests	854

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD.

**Gender**
Male	191
Female	179

**Ethnicity**
Non-Hispanic White	240
Black	104
Hispanic	0
Asian	14
Other	0
Native American	0

**Age**
From 65 to 74	176
From 75 to 84	91
85 and over	20
Less than 65	83

Conditions of Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD in 2013

Hypertension	70
High Cholesterol	54
Stroke	7
Ischemic Heart Disease	45
Depression	27
Chronic Kidney Disease	32
Asthma	12
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	24
Chronic Obstructive Pulmonary Disease	15
Diabetes	36
Dementia	7
Cancer	19

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Toby Charles Cornish, MD, PhD treated as an anatomic pathologist in Milwaukee, WI during 2014 were lab tests.

Volume of procedures performed by Dr. Toby Charles Cornish, MD, PhD for Medicare patients.

lab tests	732

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD.

**Gender**
Male	146
Female	179

**Ethnicity**
Non-Hispanic White	207
Black	94
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	146
From 75 to 84	79
85 and over	17
Less than 65	83

Conditions of Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD in 2014

Hypertension	72
High Cholesterol	57
Stroke	6
Ischemic Heart Disease	46
Depression	28
Chronic Kidney Disease	37
Asthma	14
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	26
Chronic Obstructive Pulmonary Disease	14
Diabetes	33
Dementia	8
Cancer	16

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Toby Charles Cornish, MD, PhD treated as an anatomic pathologist in Milwaukee, WI during 2015 were lab tests.

Volume of procedures performed by Dr. Toby Charles Cornish, MD, PhD for Medicare patients.

lab tests	337

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD.

**Gender**
Male	278
Female	312

**Ethnicity**
Non-Hispanic White	356
Black	182
Hispanic	0
Asian	22
Other	0
Native American	0

**Age**
From 65 to 74	256
From 75 to 84	166
85 and over	32
Less than 65	136

Conditions of Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD in 2015

Hypertension	73
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	46
Depression	29
Chronic Kidney Disease	36
Asthma	15
Osteoperosis	8
Atrial Fibrilation	15
Heart Failure	20
Chronic Obstructive Pulmonary Disease	21
Diabetes	34
Dementia	8
Cancer	18

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Toby Charles Cornish, MD, PhD treated as an anatomic pathologist in Milwaukee, WI during 2016 were lab tests.

Volume of procedures performed by Dr. Toby Charles Cornish, MD, PhD for Medicare patients.

lab tests	27

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD.

**Gender**
Male	82
Female	65

**Ethnicity**
Non-Hispanic White	110
Black	14
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	86
From 75 to 84	31
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD in 2016

Hypertension	48
High Cholesterol	34
Stroke	0
Ischemic Heart Disease	26
Depression	22
Chronic Kidney Disease	26
Asthma	16
Osteoperosis	8
Atrial Fibrilation	0
Heart Failure	11
Chronic Obstructive Pulmonary Disease	16
Diabetes	25
Dementia	0
Cancer	14

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Toby Charles Cornish, MD, PhD treated as an anatomic pathologist in Milwaukee, WI during 2017 were lab tests and second opinions.

Volume of procedures performed by Dr. Toby Charles Cornish, MD, PhD for Medicare patients.

lab tests	167
second opinions	25

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD.

**Gender**
Male	220
Female	230

**Ethnicity**
Non-Hispanic White	329
Black	50
Hispanic	40
Asian	15
Other	0
Native American	0

**Age**
From 65 to 74	271
From 75 to 84	103
85 and over	11
Less than 65	65

Conditions of Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD in 2017

Hypertension	62
High Cholesterol	37
Stroke	3
Ischemic Heart Disease	32
Depression	25
Chronic Kidney Disease	32
Asthma	10
Osteoperosis	9
Atrial Fibrilation	6
Heart Failure	15
Chronic Obstructive Pulmonary Disease	16
Diabetes	32
Dementia	7
Cancer	17

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Toby Charles Cornish, MD, PhD treated as an anatomic pathologist in Milwaukee, WI during 2018 were lab tests and second opinions.

Volume of procedures performed by Dr. Toby Charles Cornish, MD, PhD for Medicare patients.

lab tests	252
second opinions	14

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD.

**Gender**
Male	247
Female	250

**Ethnicity**
Non-Hispanic White	377
Black	37
Hispanic	41
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	272
From 75 to 84	115
85 and over	18
Less than 65	92

Conditions of Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD in 2018

Hypertension	65
High Cholesterol	41
Stroke	4
Ischemic Heart Disease	31
Depression	28
Chronic Kidney Disease	34
Asthma	9
Osteoperosis	10
Atrial Fibrilation	8
Heart Failure	16
Chronic Obstructive Pulmonary Disease	15
Diabetes	29
Dementia	9
Cancer	20

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Toby Charles Cornish, MD, PhD treated as an anatomic pathologist in Milwaukee, WI during 2019 were lab tests and second opinions.

Volume of procedures performed by Dr. Toby Charles Cornish, MD, PhD for Medicare patients.

lab tests	159
second opinions	13

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD.

**Gender**
Male	187
Female	212

**Ethnicity**
Non-Hispanic White	296
Black	32
Hispanic	35
Asian	16
Other	0
Native American	0

**Age**
From 65 to 74	222
From 75 to 84	99
85 and over	12
Less than 65	66

Conditions of Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD in 2019

Hypertension	60
High Cholesterol	49
Stroke	4
Ischemic Heart Disease	32
Depression	31
Chronic Kidney Disease	35
Asthma	11
Osteoperosis	13
Atrial Fibrilation	9
Heart Failure	16
Chronic Obstructive Pulmonary Disease	14
Diabetes	27
Dementia	8
Cancer	23

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Toby Charles Cornish, MD, PhD treated as an anatomic pathologist in Milwaukee, WI during 2020 were lab tests.

Volume of procedures performed by Dr. Toby Charles Cornish, MD, PhD for Medicare patients.

lab tests	110

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD.

**Gender**
Male	114
Female	97

**Ethnicity**
Non-Hispanic White	166
Black	11
Hispanic	19
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	121
From 75 to 84	60
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD in 2020

Hypertension	68
High Cholesterol	54
Stroke	0
Ischemic Heart Disease	43
Depression	31
Chronic Kidney Disease	39
Asthma	10
Osteoperosis	14
Atrial Fibrilation	12
Heart Failure	18
Chronic Obstructive Pulmonary Disease	14
Diabetes	24
Dementia	10
Cancer	26

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Toby Charles Cornish, MD, PhD treated as an anatomic pathologist in Milwaukee, WI during 2021 were lab tests.

Volume of procedures performed by Dr. Toby Charles Cornish, MD, PhD for Medicare patients.

lab tests	125

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD.

**Gender**
Male	145
Female	131

**Ethnicity**
Non-Hispanic White	214
Black	19
Hispanic	25
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	167
From 75 to 84	70
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD in 2021

Hypertension	66
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	42
Depression	28
Chronic Kidney Disease	34
Asthma	9
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	17
Chronic Obstructive Pulmonary Disease	17
Diabetes	29
Dementia	9
Cancer	23

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Toby Charles Cornish, MD, PhD treated as an anatomic pathologist in Milwaukee, WI during 2022 were lab tests.

Volume of procedures performed by Dr. Toby Charles Cornish, MD, PhD for Medicare patients.

lab tests	66

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD.

**Gender**
Male	72
Female	60

**Ethnicity**
Non-Hispanic White	100
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	67
From 75 to 84	48
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD in 2022

Hypertension	73
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	26
Depression	29
Chronic Kidney Disease	25
Asthma	13
Osteoperosis	15
Atrial Fibrilation	13
Heart Failure	14
Chronic Obstructive Pulmonary Disease	17
Diabetes	30
Dementia	9
Cancer	20

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Toby Charles Cornish, MD, PhD for Medicare patients.

The highest averages for the top procedures that Dr. Toby Charles Cornish, MD, PhD treated as an anatomic pathologist in Milwaukee, WI were lab tests and second opinions.

lab tests	292
second opinions	17

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD.

**Gender**
Male	152
Female	155

**Ethnicity**
Black / African American	49
Asian / Pacific Islander	6
Non-Hispanic White	217
Native American / Alaskan Native	0
Hispanic	15
Other	2

**Age**
75 to 84	78
85 and over	10
Less than 65	47
65 to 74	162

Average of Total of Conditions of Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Toby Charles Cornish, MD, PhD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	59
High Cholesterol	45
Stroke	2
Ischemic Heart Disease	33
Depression	25
Chronic Kidney Disease	30
Asthma	10
Osteoporosis	9
Heart Failure	16
Chronic Obstructive Pulmonary Disease	14
Diabetes	27
Atrial Fibrillation	9
Dementia	6
Cancer	17

Education & Training

Dr. Toby Charles Cornish, MD, PhD graduated from University of Illinois College of Medicine at Chicago in 2005. He completed residency at Johns Hopkins University Affiliated Hospitals. He is certified by the American Board of Pathology and has a state license in Maryland.

Medical School: University of Illinois College of Medicine at Chicago (2005)

Residency: Johns Hopkins University Affiliated Hospitals (2009)

Board Certification: American Board of Pathology

Licensed In: Maryland

Affiliations & Hospitals

Dr. Toby Charles Cornish, MD, PhD is associated with these hospitals and organizations:

Medical College of Wisconsin

Froedtert & the Medical College of Wisconsin Regional Health Network

THE MEDICAL COLLEGE OF WISCONSIN INC

Ratings & Reviews

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General Payments

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

**Payments by Company**
LEICA MICROSYSTEMS INC.	$18,648 Digital Microscopes $13,198	BOND-PRIME automated stainer $2,200	BOND-III processing module $2,200	None $1,050
Roche Diagnostics Corporation	$968 BENCHMARK SPECIAL STAINS WASH II $132	iScan Coreo $92	$744
Merck Sharp & Dohme Corporation	$520 $520
Ventana Medical Systems, Inc.	$217 $217

**Types of Payments**
Consulting Fee	$18,070
Travel and Lodging	$1,313
Food and Beverage	$971

Biography

Dr. Toby Cornish is a specialist in anatomic pathology. After attending the University of Illinois College of Medicine at Chicago for medical school, he completed his residency training at a hospital affiliated with Johns Hopkins University. Dr. Cornish's areas of expertise include gastrointestinal problems (digestive disorders). He has received the following distinctions: Institute for Excellence in Education, Johns Hopkins University Schoo and Educational Innovation Award. He is professionally affiliated with Medical College of Wisconsin and Froedtert & the Medical College of Wisconsin Regional Health Network. According to Doctor.com, new patients are welcome to contact his office in Milwaukee, WI.

Select Year:

Dr. Toby Charles Cornish, MD, PhD

Office Locations

Some issues Dr. Toby Charles Cornish, MD, PhD can help you with:

Noteworthy Medicare Patient Procedures Performed by Dr. Toby Charles Cornish, MD, PhD in 2023

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. Toby Charles Cornish, MD, PhD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Toby Charles Cornish, MD, PhD 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. Toby Charles Cornish, MD, PhD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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