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Dr. Keith A. Friedenberg, MD

(Dr. Keith Alan Friedenberg, M.D.)

(No ratings)

Specializes in: Adult Gastroenterology

University of California, Los Angeles (UCLA), David Geffen School of Medicine (1988)

Professional interests include: gastrointestinal problems (digestive disorders)

9500 Mentor Avenue Suite 340
Mentor, OH 44060

(440) 352-9400

Dr. Keith A. Friedenberg, MD is a gastroenterologist in Brunswick, OH specializing in adult gastroenterology. He graduated from University of California, Los Angeles (UCLA), David Geffen School of Medicine in 1988 and has 38 years of experience. Dr. Keith A. Friedenberg, MD is affiliated with University Hospitals and DAYTON GASTROENTEROLOGY, LLC.

Office Locations

1299 Industrial Parkway N Suite 110
Brunswick, OH 44212

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26151 Euclid Avenue Suite 201
Euclid, OH 44132

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University Hospitals

3985 Medina Road Suite 120
Medina, OH 44256

(330) 225-6468

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University Hospitals

4360 Fulton Drive Nw Suite B
Canton, OH 44718

(330) 305-2020

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500 E Royalton Road Suite 100
Broadview Heights, OH 44147

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5105 Som Center Road Suite 102
Willoughby, OH 44094

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University Hospitals

6270 N Ridge Road
Madison, OH 44057

(440) 205-1225

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8877 Mentor Avenue
Mentor, OH 44060

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University Hospitals

9500 Mentor Avenue Suite 340
Mentor, OH 44060

(440) 352-9400

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Some issues Dr. Keith A. Friedenberg, MD 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.

In The News

“Led by Dr. Keith Friedenberg, Great Lakes Gastroenterology is a premier gastroenterology practice in the Greater Cleveland area, providing best-in-class patient care and boasting the largest GI...”—"Bayshore Growth Partners Advises Great Lakes Gastroenterology on Its Partnership With One GI", Associated Press News, June 2022

Noteworthy Medicare Patient Procedures Performed by Dr. Keith A. Friedenberg, MD in 2023

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

Top 5%

By Volume:

colorectal cancer screening

fecal occult blood test

preventive care

screening stool guaiac test

By Affordability:

esophageal dilation

inpatient hospital care

In 2023, among providers in related specialties within Ohio, Dr. Keith A. Friedenberg, MD performed more colorectal cancer screening, fecal occult blood test (FOBT), preventive care, and screening stool guaiac test (gFOBT) procedures for Medicare patients than 95% of them and he also had a list price for esophageal dilation, and inpatient hospital care (for patient admitted to hospital) that was lower than the list prices billed to Medicare by 95% 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.

Top 10%

By Volume:

colonoscopy

By Affordability:

hospital care

inpatient care

therapeutic EGD

therapeutic upper endoscopy

In 2023, among providers in related specialties within Ohio, Dr. Keith A. Friedenberg, MD performed more colonoscopy procedures for Medicare patients than 90% of them and he also had a list price for hospital care, inpatient care, therapeutic EGD, and therapeutic upper endoscopy that was lower than the list prices billed to Medicare by 90% 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.

Top 25%

By Volume:

colonoscopy with biopsy

colonoscopy with lesion removal

EGD with biopsy

EGD with lesion removal

endoscopy

esophageal dilation

gastrointestinal biopsy

gastrointestinal procedures

removal of lesion

By Affordability:

diagnostic EGD

diagnostic EGD without biopsy

diagnostic upper endoscopy

EGD with biopsy

EGD with lesion removal

esophageal dilation without endoscopic guidance

esophagogastroduodenoscopy

lab tests

upper endoscopy

upper endoscopy with biopsy

upper endoscopy with lesion removal

In 2012, among providers in related specialties within Ohio, Dr. Keith A. Friedenberg, MD performed more colonoscopy with biopsy, colonoscopy with lesion removal, EGD with biopsy, EGD with lesion removal, endoscopy, esophageal dilation, gastrointestinal biopsy, gastrointestinal procedures, and removal of lesion (e.g. growth) procedures for Medicare patients than 75% of them and he also had a list price for diagnostic EGD, diagnostic EGD without biopsy, diagnostic upper endoscopy, EGD with biopsy, EGD with lesion removal, esophageal dilation without endoscopic guidance, esophagogastroduodenoscopy (EGD), lab tests, upper endoscopy, upper endoscopy with biopsy, and upper endoscopy with lesion removal 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. Keith A. Friedenberg, MD treated as a gastroenterologist in Brunswick, OH during 2012 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Keith A. Friedenberg, MD for Medicare patients.

diagnostic procedures	391
doctor visit	868
esophageal dilation	33
gastrointestinal procedures	592
hospital care	468
inpatient care	468
lab tests	179
minimally invasive procedures	592
preventive care	189
removal of lesion (e.g. growth)	391

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Keith A. Friedenberg, MD treated as a gastroenterologist in Brunswick, OH during 2013 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Keith A. Friedenberg, MD for Medicare patients.

diagnostic procedures	363
doctor visit	827
esophageal dilation	28
gastrointestinal procedures	576
hospital care	408
inpatient care	408
lab tests	361
minimally invasive procedures	576
preventive care	207
removal of lesion (e.g. growth)	363

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Keith A. Friedenberg, MD.

**Gender**
Male	351
Female	528

**Ethnicity**
Non-Hispanic White	803
Black	56
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	364
From 75 to 84	265
85 and over	109
Less than 65	141

Conditions of Medicare patients treated by Dr. Keith A. Friedenberg, MD in 2013

Hypertension	73
High Cholesterol	64
Stroke	7
Ischemic Heart Disease	42
Depression	29
Chronic Kidney Disease	25
Asthma	10
Osteoperosis	13
Atrial Fibrilation	14
Heart Failure	22
Chronic Obstructive Pulmonary Disease	25
Diabetes	34
Dementia	13
Cancer	11

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Keith A. Friedenberg, MD treated as a gastroenterologist in Brunswick, OH during 2014 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Keith A. Friedenberg, MD for Medicare patients.

diagnostic procedures	372
doctor visit	918
esophageal dilation	36
gastrointestinal procedures	578
hospital care	419
inpatient care	419
lab tests	408
minimally invasive procedures	578
preventive care	184
removal of lesion (e.g. growth)	372

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Keith A. Friedenberg, MD.

**Gender**
Male	376
Female	532

**Ethnicity**
Non-Hispanic White	831
Black	51
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	394
From 75 to 84	270
85 and over	104
Less than 65	140

Conditions of Medicare patients treated by Dr. Keith A. Friedenberg, MD in 2014

Hypertension	71
High Cholesterol	67
Stroke	6
Ischemic Heart Disease	39
Depression	31
Chronic Kidney Disease	24
Asthma	8
Osteoperosis	10
Atrial Fibrilation	13
Heart Failure	22
Chronic Obstructive Pulmonary Disease	22
Diabetes	34
Dementia	12
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Keith A. Friedenberg, MD treated as a gastroenterologist in Brunswick, OH during 2015 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Keith A. Friedenberg, MD for Medicare patients.

diagnostic procedures	357
doctor visit	865
esophageal dilation	32
gastrointestinal procedures	548
hospital care	334
inpatient care	334
lab tests	297
minimally invasive procedures	548
preventive care	187
removal of lesion (e.g. growth)	357

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Keith A. Friedenberg, MD.

**Gender**
Male	722
Female	986

**Ethnicity**
Non-Hispanic White	1580
Black	84
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	774
From 75 to 84	500
85 and over	178
Less than 65	256

Conditions of Medicare patients treated by Dr. Keith A. Friedenberg, MD in 2015

Hypertension	70
High Cholesterol	61
Stroke	6
Ischemic Heart Disease	37
Depression	27
Chronic Kidney Disease	25
Asthma	16
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	19
Chronic Obstructive Pulmonary Disease	20
Diabetes	33
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Keith A. Friedenberg, MD treated as a gastroenterologist in Brunswick, OH during 2016 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Keith A. Friedenberg, MD for Medicare patients.

diagnostic procedures	346
doctor visit	923
esophageal dilation	37
gastrointestinal procedures	571
hospital care	319
inpatient care	319
lab tests	156
minimally invasive procedures	571
preventive care	204
removal of lesion (e.g. growth)	346

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Keith A. Friedenberg, MD.

**Gender**
Male	369
Female	475

**Ethnicity**
Non-Hispanic White	794
Black	29
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	408
From 75 to 84	243
85 and over	97
Less than 65	96

Conditions of Medicare patients treated by Dr. Keith A. Friedenberg, MD in 2016

Hypertension	69
High Cholesterol	61
Stroke	5
Ischemic Heart Disease	35
Depression	25
Chronic Kidney Disease	25
Asthma	22
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	20
Diabetes	29
Dementia	9
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Keith A. Friedenberg, MD treated as a gastroenterologist in Brunswick, OH during 2017 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Keith A. Friedenberg, MD for Medicare patients.

diagnostic procedures	323
doctor visit	893
esophageal dilation	36
gastrointestinal procedures	546
hospital care	295
inpatient care	295
lab tests	138
minimally invasive procedures	546
preventive care	196
removal of lesion (e.g. growth)	323

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Keith A. Friedenberg, MD.

**Gender**
Male	331
Female	456

**Ethnicity**
Non-Hispanic White	741
Black	0
Hispanic	0
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	418
From 75 to 84	206
85 and over	83
Less than 65	80

Conditions of Medicare patients treated by Dr. Keith A. Friedenberg, MD in 2017

Hypertension	71
High Cholesterol	54
Stroke	6
Ischemic Heart Disease	38
Depression	28
Chronic Kidney Disease	30
Asthma	7
Osteoperosis	10
Atrial Fibrilation	15
Heart Failure	19
Chronic Obstructive Pulmonary Disease	18
Diabetes	31
Dementia	11
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Keith A. Friedenberg, MD treated as a gastroenterologist in Brunswick, OH during 2018 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Keith A. Friedenberg, MD for Medicare patients.

diagnostic procedures	349
doctor visit	815
esophageal dilation	41
gastrointestinal procedures	532
hospital care	220
inpatient care	220
lab tests	148
minimally invasive procedures	532
preventive care	158
removal of lesion (e.g. growth)	349

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Keith A. Friedenberg, MD.

**Gender**
Male	304
Female	413

**Ethnicity**
Non-Hispanic White	672
Black	0
Hispanic	0
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	361
From 75 to 84	216
85 and over	71
Less than 65	69

Conditions of Medicare patients treated by Dr. Keith A. Friedenberg, MD in 2018

Hypertension	72
High Cholesterol	70
Stroke	6
Ischemic Heart Disease	41
Depression	30
Chronic Kidney Disease	31
Asthma	7
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	21
Diabetes	32
Dementia	11
Cancer	13

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Keith A. Friedenberg, MD treated as a gastroenterologist in Brunswick, OH during 2019 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Keith A. Friedenberg, MD for Medicare patients.

diagnostic procedures	340
doctor visit	778
esophageal dilation	42
gastrointestinal procedures	534
hospital care	291
inpatient care	291
lab tests	126
minimally invasive procedures	534
preventive care	161
removal of lesion (e.g. growth)	340

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Keith A. Friedenberg, MD.

**Gender**
Male	337
Female	413

**Ethnicity**
Non-Hispanic White	697
Black	15
Hispanic	0
Asian	0
Other	24
Native American	0

**Age**
From 65 to 74	373
From 75 to 84	221
85 and over	99
Less than 65	57

Conditions of Medicare patients treated by Dr. Keith A. Friedenberg, MD in 2019

Hypertension	72
High Cholesterol	67
Stroke	5
Ischemic Heart Disease	43
Depression	30
Chronic Kidney Disease	34
Asthma	7
Osteoperosis	13
Atrial Fibrilation	15
Heart Failure	24
Chronic Obstructive Pulmonary Disease	21
Diabetes	33
Dementia	12
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Keith A. Friedenberg, MD treated as a gastroenterologist in Brunswick, OH during 2020 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Keith A. Friedenberg, MD for Medicare patients.

diagnostic procedures	289
doctor visit	668
esophageal dilation	30
gastrointestinal procedures	418
hospital care	307
inpatient care	307
lab tests	156
minimally invasive procedures	418
preventive care	111
removal of lesion (e.g. growth)	289

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Keith A. Friedenberg, MD.

**Gender**
Male	286
Female	419

**Ethnicity**
Non-Hispanic White	659
Black	19
Hispanic	0
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	341
From 75 to 84	227
85 and over	87
Less than 65	50

Conditions of Medicare patients treated by Dr. Keith A. Friedenberg, MD in 2020

Hypertension	75
High Cholesterol	67
Stroke	5
Ischemic Heart Disease	42
Depression	28
Chronic Kidney Disease	36
Asthma	7
Osteoperosis	14
Atrial Fibrilation	16
Heart Failure	26
Chronic Obstructive Pulmonary Disease	19
Diabetes	32
Dementia	16
Cancer	16

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Keith A. Friedenberg, MD treated as a gastroenterologist in Brunswick, OH during 2021 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Keith A. Friedenberg, MD for Medicare patients.

diagnostic procedures	314
doctor visit	709
esophageal dilation	47
gastrointestinal procedures	487
hospital care	253
inpatient care	253
lab tests	101
minimally invasive procedures	487
preventive care	151
removal of lesion (e.g. growth)	314

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Keith A. Friedenberg, MD.

**Gender**
Male	307
Female	450

**Ethnicity**
Non-Hispanic White	714
Black	0
Hispanic	0
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	384
From 75 to 84	231
85 and over	94
Less than 65	48

Conditions of Medicare patients treated by Dr. Keith A. Friedenberg, MD in 2021

Hypertension	72
High Cholesterol	69
Stroke	6
Ischemic Heart Disease	42
Depression	29
Chronic Kidney Disease	33
Asthma	8
Osteoperosis	13
Atrial Fibrilation	16
Heart Failure	25
Chronic Obstructive Pulmonary Disease	16
Diabetes	30
Dementia	13
Cancer	16

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Keith A. Friedenberg, MD treated as a gastroenterologist in Brunswick, OH during 2022 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Keith A. Friedenberg, MD for Medicare patients.

diagnostic procedures	303
doctor visit	699
esophageal dilation	39
gastrointestinal procedures	429
hospital care	164
inpatient care	164
lab tests	85
minimally invasive procedures	429
preventive care	111
removal of lesion (e.g. growth)	303

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Keith A. Friedenberg, MD.

**Gender**
Male	336
Female	389

**Ethnicity**
Non-Hispanic White	672
Black	15
Hispanic	0
Asian	0
Other	24
Native American	0

**Age**
From 65 to 74	349
From 75 to 84	263
85 and over	66
Less than 65	47

Conditions of Medicare patients treated by Dr. Keith A. Friedenberg, MD in 2022

Hypertension	73
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	32
Depression	25
Chronic Kidney Disease	21
Asthma	11
Osteoperosis	17
Atrial Fibrilation	18
Heart Failure	18
Chronic Obstructive Pulmonary Disease	19
Diabetes	28
Dementia	8
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Keith A. Friedenberg, MD for Medicare patients.

The highest averages for the top procedures that Dr. Keith A. Friedenberg, MD treated as a gastroenterologist in Brunswick, OH were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

diagnostic procedures	340
doctor visit	814
esophageal dilation	36
gastrointestinal procedures	528
hospital care	316
inpatient care	316
lab tests	195
minimally invasive procedures	528
preventive care	169
removal of lesion (e.g. growth)	340

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Keith A. Friedenberg, MD.

**Gender**
Male	338
Female	460

**Ethnicity**
Black / African American	24
Asian / Pacific Islander	0
Non-Hispanic White	742
Native American / Alaskan Native	0
Hispanic	0
Other	11

**Age**
75 to 84	240
85 and over	89
Less than 65	89
65 to 74	378

Average of Total of Conditions of Medicare patients treated by Dr. Keith A. Friedenberg, MD From 2012 - 2022

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

Hypertension	65
High Cholesterol	59
Stroke	5
Ischemic Heart Disease	35
Depression	25
Chronic Kidney Disease	25
Asthma	9
Osteoporosis	10
Heart Failure	19
Chronic Obstructive Pulmonary Disease	18
Diabetes	28
Atrial Fibrillation	13
Dementia	10
Cancer	12

Education & Training

Dr. Keith A. Friedenberg, MD graduated from University of California, Los Angeles (UCLA), David Geffen School of Medicine in 1988. He completed residency at Cedars-Sinai Medical Center. He is certified by the Gastroenterology - American Board of Internal Medicine and has a state license in Ohio.

Medical School: University of California, Los Angeles (UCLA), David Geffen School of Medicine (1988)

Residency: Cedars-Sinai Medical Center (1991)

Board Certification: Gastroenterology - American Board of Internal Medicine

Licensed In: Ohio

Affiliations & Hospitals

Dr. Keith A. Friedenberg, MD is associated with these hospitals and organizations:

University Hospitals

DAYTON GASTROENTEROLOGY, LLC

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General Payments

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

**Payments by Company**
Pfizer Inc.	$30,461 XELJANZ $29,894	INFLECTRA $65	VELSIPITY $58	$444
E.R. Squibb & Sons, L.L.C.	$10,386 $10,386
Eli Lilly Export S.A. Puerto Rico Branch	$5,673 $5,673
Celgene Corporation	$4,595 ZEPOSIA $2,720	Ozanimod $1,874
FOREST PHARMACEUTICALS, INC.	$3,036 LINZESS $3,036
Other	$9,578 talicia $1,500	STELARA $584	AMITIZA $550	Humira $537	LINZESS $454	Other $5,953

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$24,850
Consulting Fee	$20,358
Food and Beverage	$9,454
Travel and Lodging	$8,968
Education	$99

Research Payments

Dr. Keith A. Friedenberg, MD has received 1308 research payments totaling $4,934,321.

Biography

Dr. Keith Friedenberg's specialty is adult gastroenterology. His clinical interests include gastrointestinal problems (digestive disorders). Before performing his residency at Cedars-Sinai Medical Center, Dr. Friedenberg attended the University of California, Los Angeles (UCLA), David Geffen School of Medicine. Dr. Friedenberg is professionally affiliated with the University Hospitals.