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Dr. Mamoun Younes, MD

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Specializes in: Anatomic Pathology

University of Aleppo Faculty of Medicine (1982)

Professional interests include: gastrointestinal problems (digestive disorders), inflammatory bowel disease, Barrett's esophagus

2300 M Street Nw 7th Floor
Washington, DC 20037

(202) 677-6600

Dr. Mamoun Younes, MD is an anatomic pathologist in Washington, DC specializing in anatomic pathology. He graduated from University of Aleppo Faculty of Medicine in 1982 and has 44 years of experience. Dr. Mamoun Younes, MD is affiliated with GW Medical Faculty Associates.

Office Locations

GW Medical Faculty Associates

2300 M Street Nw 7th Floor
Washington, DC 20037

(202) 677-6600

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900 23rd Street Nw
Washington, DC 20037

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Some issues Dr. Mamoun Younes, 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.

Noteworthy Medicare Patient Procedures Performed by Dr. Mamoun Younes, MD in 2023

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

Top 25%

By Volume:

lab tests

By Affordability:

special stains

In 2012, among providers in related specialties within District of Columbia, Dr. Mamoun Younes, MD performed more lab tests procedures for Medicare patients than 75% of them and he also had a list price for special stains 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. Mamoun Younes, MD treated as an anatomic pathologist in Washington, DC during 2012 were lab tests.

Volume of procedures performed by Dr. Mamoun Younes, MD for Medicare patients.

lab tests	625

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mamoun Younes, MD treated as an anatomic pathologist in Washington, DC during 2013 were lab tests and second opinions.

Volume of procedures performed by Dr. Mamoun Younes, MD for Medicare patients.

lab tests	916
second opinions	17

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mamoun Younes, MD.

**Gender**
Male	358
Female	393

**Ethnicity**
Non-Hispanic White	393
Black	210
Hispanic	119
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	323
From 75 to 84	158
85 and over	37
Less than 65	233

Conditions of Medicare patients treated by Dr. Mamoun Younes, MD in 2013

Hypertension	75
High Cholesterol	61
Stroke	8
Ischemic Heart Disease	51
Depression	28
Chronic Kidney Disease	44
Asthma	10
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	31
Chronic Obstructive Pulmonary Disease	16
Diabetes	50
Dementia	13
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mamoun Younes, MD treated as an anatomic pathologist in Washington, DC during 2014 were lab tests and second opinions.

Volume of procedures performed by Dr. Mamoun Younes, MD for Medicare patients.

lab tests	760
second opinions	14

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mamoun Younes, MD.

**Gender**
Male	349
Female	387

**Ethnicity**
Non-Hispanic White	390
Black	203
Hispanic	110
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	328
From 75 to 84	143
85 and over	43
Less than 65	222

Conditions of Medicare patients treated by Dr. Mamoun Younes, MD in 2014

Hypertension	75
High Cholesterol	60
Stroke	8
Ischemic Heart Disease	45
Depression	27
Chronic Kidney Disease	40
Asthma	11
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	29
Chronic Obstructive Pulmonary Disease	17
Diabetes	43
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mamoun Younes, MD treated as an anatomic pathologist in Washington, DC during 2015 were lab tests.

Volume of procedures performed by Dr. Mamoun Younes, MD for Medicare patients.

lab tests	646

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mamoun Younes, MD.

**Gender**
Male	668
Female	706

**Ethnicity**
Non-Hispanic White	782
Black	330
Hispanic	190
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	686
From 75 to 84	240
85 and over	74
Less than 65	374

Conditions of Medicare patients treated by Dr. Mamoun Younes, MD in 2015

Hypertension	75
High Cholesterol	59
Stroke	8
Ischemic Heart Disease	49
Depression	25
Chronic Kidney Disease	44
Asthma	14
Osteoperosis	8
Atrial Fibrilation	10
Heart Failure	29
Chronic Obstructive Pulmonary Disease	18
Diabetes	43
Dementia	8
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mamoun Younes, MD treated as an anatomic pathologist in Washington, DC during 2016 were lab tests and second opinions.

Volume of procedures performed by Dr. Mamoun Younes, MD for Medicare patients.

lab tests	867
second opinions	20

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mamoun Younes, MD.

**Gender**
Male	402
Female	430

**Ethnicity**
Non-Hispanic White	419
Black	200
Hispanic	145
Asian	44
Other	0
Native American	0

**Age**
From 65 to 74	417
From 75 to 84	188
85 and over	32
Less than 65	195

Conditions of Medicare patients treated by Dr. Mamoun Younes, MD in 2016

Hypertension	75
High Cholesterol	61
Stroke	9
Ischemic Heart Disease	48
Depression	25
Chronic Kidney Disease	47
Asthma	20
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	30
Chronic Obstructive Pulmonary Disease	17
Diabetes	46
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mamoun Younes, MD treated as an anatomic pathologist in Washington, DC during 2017 were lab tests.

Volume of procedures performed by Dr. Mamoun Younes, MD for Medicare patients.

lab tests	474

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mamoun Younes, MD.

**Gender**
Male	320
Female	358

**Ethnicity**
Non-Hispanic White	384
Black	158
Hispanic	99
Asian	26
Other	0
Native American	0

**Age**
From 65 to 74	328
From 75 to 84	167
85 and over	36
Less than 65	147

Conditions of Medicare patients treated by Dr. Mamoun Younes, MD in 2017

Hypertension	75
High Cholesterol	63
Stroke	9
Ischemic Heart Disease	50
Depression	27
Chronic Kidney Disease	46
Asthma	9
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	31
Chronic Obstructive Pulmonary Disease	18
Diabetes	43
Dementia	12
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mamoun Younes, MD treated as an anatomic pathologist in Washington, DC during 2018 were lab tests.

Volume of procedures performed by Dr. Mamoun Younes, MD for Medicare patients.

lab tests	410

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mamoun Younes, MD.

**Gender**
Male	272
Female	286

**Ethnicity**
Non-Hispanic White	314
Black	125
Hispanic	89
Asian	19
Other	11
Native American	0

**Age**
From 65 to 74	268
From 75 to 84	142
85 and over	26
Less than 65	122

Conditions of Medicare patients treated by Dr. Mamoun Younes, MD in 2018

Hypertension	75
High Cholesterol	66
Stroke	8
Ischemic Heart Disease	47
Depression	28
Chronic Kidney Disease	47
Asthma	9
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	30
Chronic Obstructive Pulmonary Disease	16
Diabetes	40
Dementia	9
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mamoun Younes, MD treated as an anatomic pathologist in Washington, DC during 2019 were lab tests and consultation.

Volume of procedures performed by Dr. Mamoun Younes, MD for Medicare patients.

consultation	20
lab tests	425

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mamoun Younes, MD.

**Gender**
Male	366
Female	376

**Ethnicity**
Non-Hispanic White	409
Black	175
Hispanic	109
Asian	31
Other	0
Native American	0

**Age**
From 65 to 74	369
From 75 to 84	175
85 and over	35
Less than 65	163

Conditions of Medicare patients treated by Dr. Mamoun Younes, MD in 2019

Hypertension	75
High Cholesterol	69
Stroke	6
Ischemic Heart Disease	48
Depression	28
Chronic Kidney Disease	48
Asthma	11
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	31
Chronic Obstructive Pulmonary Disease	19
Diabetes	44
Dementia	12
Cancer	16

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mamoun Younes, MD treated as an anatomic pathologist in Washington, DC during 2020 were lab tests.

Volume of procedures performed by Dr. Mamoun Younes, MD for Medicare patients.

lab tests	357

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mamoun Younes, MD.

**Gender**
Male	303
Female	327

**Ethnicity**
Non-Hispanic White	274
Black	263
Hispanic	51
Asian	22
Other	20
Native American	0

**Age**
From 65 to 74	320
From 75 to 84	170
85 and over	27
Less than 65	113

Conditions of Medicare patients treated by Dr. Mamoun Younes, MD in 2020

Hypertension	75
High Cholesterol	59
Stroke	6
Ischemic Heart Disease	43
Depression	22
Chronic Kidney Disease	39
Asthma	13
Osteoperosis	10
Atrial Fibrilation	8
Heart Failure	22
Chronic Obstructive Pulmonary Disease	15
Diabetes	37
Dementia	10
Cancer	18

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mamoun Younes, MD treated as an anatomic pathologist in Washington, DC during 2021 were lab tests.

Volume of procedures performed by Dr. Mamoun Younes, MD for Medicare patients.

lab tests	586

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mamoun Younes, MD.

**Gender**
Male	422
Female	546

**Ethnicity**
Non-Hispanic White	344
Black	506
Hispanic	52
Asian	25
Other	41
Native American	0

**Age**
From 65 to 74	521
From 75 to 84	255
85 and over	37
Less than 65	155

Conditions of Medicare patients treated by Dr. Mamoun Younes, MD in 2021

Hypertension	75
High Cholesterol	61
Stroke	5
Ischemic Heart Disease	39
Depression	23
Chronic Kidney Disease	35
Asthma	11
Osteoperosis	8
Atrial Fibrilation	8
Heart Failure	13
Chronic Obstructive Pulmonary Disease	13
Diabetes	33
Dementia	9
Cancer	20

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mamoun Younes, MD treated as an anatomic pathologist in Washington, DC during 2022 were lab tests and consultation.

Volume of procedures performed by Dr. Mamoun Younes, MD for Medicare patients.

consultation	24
lab tests	510

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mamoun Younes, MD.

**Gender**
Male	293
Female	377

**Ethnicity**
Non-Hispanic White	230
Black	342
Hispanic	41
Asian	29
Other	28
Native American	0

**Age**
From 65 to 74	341
From 75 to 84	184
85 and over	31
Less than 65	114

Conditions of Medicare patients treated by Dr. Mamoun Younes, MD in 2022

Hypertension	75
High Cholesterol	68
Stroke	7
Ischemic Heart Disease	27
Depression	21
Chronic Kidney Disease	24
Asthma	16
Osteoperosis	13
Atrial Fibrilation	13
Heart Failure	14
Chronic Obstructive Pulmonary Disease	16
Diabetes	35
Dementia	6
Cancer	24

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Mamoun Younes, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mamoun Younes, MD treated as an anatomic pathologist in Washington, DC were lab tests, consultation and second opinions.

consultation	22
lab tests	597
second opinions	17

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Mamoun Younes, MD.

**Gender**
Male	341
Female	380

**Ethnicity**
Black / African American	228
Asian / Pacific Islander	17
Non-Hispanic White	358
Native American / Alaskan Native	0
Hispanic	91
Other	9

**Age**
75 to 84	165
85 and over	34
Less than 65	167
65 to 74	354

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

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

Hypertension	68
High Cholesterol	57
Stroke	6
Ischemic Heart Disease	40
Depression	23
Chronic Kidney Disease	37
Asthma	11
Osteoporosis	8
Heart Failure	23
Chronic Obstructive Pulmonary Disease	15
Diabetes	37
Atrial Fibrillation	10
Dementia	8
Cancer	14

Education & Training

Dr. Mamoun Younes, MD graduated from University of Aleppo Faculty of Medicine in 1982. He completed residency at Yale University Affiliated Hospitals. He is certified by the Anatomic Pathology and has a state license in District of Columbia.

Medical School: University of Aleppo Faculty of Medicine (1982)

Residency: Yale University Affiliated Hospitals

Board Certification: Anatomic Pathology

Licensed In: District of Columbia

Affiliations & Hospitals

Dr. Mamoun Younes, MD is associated with these hospitals and organizations:

GW Medical Faculty Associates

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General Payments

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

**Payments by Company**
Takeda Pharmaceuticals U.S.A., Inc.	$3,540 ENTYVIO $3,540
Regeneron Pharmaceuticals, Inc.	$3,372 DUPIXENT $3,372
Daiichi Sankyo Inc.	$226 $226
UCB, Inc.	$107 Cimzia $107
Janssen Biotech, Inc.	$14 SIMPONI $14
Other	$13 Xifaxan 550 mg $13

**Types of Payments**
Consulting Fee	$6,912
Food and Beverage	$361

Research Payments

Dr. Mamoun Younes, MD has received 8 research payments totaling $48,308.

Biography

Dr. Mamoun Younes' specialty is anatomic pathology. His clinical interests include barrett's esophagus and inflammatory bowel disease. Dr. Younes is professionally affiliated with GW Medical Faculty Associates. He is a graduate of the University of Aleppo Faculty of Medicine. For his professional training, Dr. Younes completed a residency program at a hospital affiliated with Yale University.