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Dr. Khashayar Vaziri, MD, FACS

(Dr. Khashayar Vaziri, M.D.)

(No ratings)

Specializes in: Bariatric Surgery and General Surgery
Professional interests include: laparoscopic surgery, minimally invasive surgery, stomach problems, and more.
2150 Pennsylvania Avenue, Nw 6th Floor
Washington, DC 20037

Dr. Khashayar Vaziri, MD, FACS is a bariatric surgeon in Washington, DC specializing in bariatric surgery and general surgery. Dr. Khashayar Vaziri, MD, FACS is affiliated with GW Medical Faculty Associates.

View Doctor's Full Profile (202) 741-3200

Office Locations

GW Medical Faculty Associates

2150 Pennsylvania Avenue, Nw 6th Floor
Washington, DC 20037
(202) 741-3200
open_in_new

Some issues Dr. Khashayar Vaziri, MD, FACS can help you with:

Laparoscopic Surgery

Laparoscopic surgery is a kind of minimally invasive surgery using a thin, narrow tube called a laparoscope. Usually performed on the abdomen or the pelvic region, the surgeon makes a few very small incisions instead of one large one.

During the procedure, the surgeon inserts the laparoscope, which contains a light and camera that allows the surgeon to see what is happening inside the body. Then tiny tools are placed through the small openings and used to perform the surgery.

The most common laparoscopic surgery is gallbladder removal, but laparoscopic surgery may also be used for the removal of a kidney or appendix, to treat certain cysts and tumors, for bariatric surgery, for some GERD treatments, or for hernia repairs, among others.

Because laparoscopic surgery only uses a few tiny incisions, the scars are minimal and recovery is easier than with open surgery.

Weight Loss Surgery (Bariatric Surgery)

Bariatric or weight-loss surgery is a surgical procedure performed to help significantly obese patients lose weight when more traditional methods, such as dieting and exercise, have not helped. Depending on the type, these surgeries change the gastrointestinal tract to limit how much food can be eaten and also change how food is absorbed by the body. Of the various bariatric surgeries available, the most common is gastric bypass.

By far the most common of the gastric bypass surgeries is called Roux-en-Y. During this surgery, part of the stomach and small intestine are detached from the gastrointestinal tract, in order to make the tract smaller. The surgeon divides the stomach into two parts. The working stomach, at the end of the esophagus, is now tiny - only the size of a walnut. This makes patients feel full after eating a small amount of food. Then the small intestine is also divided, and after bypassing a section of the small intestine to reduce food absorption, the intestine is attached to the small stomach pouch. The patient now has a working stomach and intestine like before, only much smaller.

Because gastric bypass is used to treat extreme obesity, it can reduce the risk of some of the problems associated with obesity. Gastric bypass can help treat or reduce the risk for such conditions as heart disease, high blood pressure, sleep apnea, and type 2 diabetes. However, it is a major surgery and also carries risks itself. Any surgery can lead to infection, bleeding, or blood clots, and weight loss surgery in particular carries risks of leaks in the gastrointestinal system, malnutrition, bowel obstructions, and vomiting.

Typically patients are considered candidates for gastric bypass surgery if they have a BMI greater than 40, or sometimes if they have a BMI between 35 and 40 but are suffering from obesity-related illnesses such as diabetes. The outlook is generally good, with most patients losing between 50-75% of their excess weight in 1-2 years. However, patients must follow strict diet guidelines so that the stomach can heal, starting with no food at all, then followed by a liquid diet for some time. For many severely obese patients who have tried strict diets before without success, gastric bypass surgery is the tool that allows them to finally achieve their weight loss and health goals.

Noteworthy Medicare Patient Procedures Performed by Dr. Khashayar Vaziri, MD, FACS in 2023

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

Top 5%

By Volume:

open inguinal hernia repair

By Affordability:

open inguinal hernia repair

In 2023, among providers in related specialties within District of Columbia, Dr. Khashayar Vaziri, MD, FACS performed more open inguinal hernia repair procedures for Medicare patients than 95% of them and he also had a list price for open inguinal hernia repair 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.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Khashayar Vaziri, MD, FACS treated as a bariatric surgeon in Washington, DC during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. Khashayar Vaziri, MD, FACS for Medicare patients.

doctor visit 207
hospital care 337
inpatient care 337

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Khashayar Vaziri, MD, FACS treated as a bariatric surgeon in Washington, DC during 2013 were hospital care and inpatient care.

Volume of procedures performed by Dr. Khashayar Vaziri, MD, FACS for Medicare patients.

doctor visit 184
hospital care 224
inpatient care 224

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Khashayar Vaziri, MD, FACS.

Gender
Male 135
Female 129
Ethnicity
Non-Hispanic White 93
Black 148
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 95
From 75 to 84 64
85 and over 32
Less than 65 73

Conditions of Medicare patients treated by Dr. Khashayar Vaziri, MD, FACS in 2013

Hypertension 75
High Cholesterol 50
Stroke 10
Ischemic Heart Disease 39
Depression 27
Chronic Kidney Disease 32
Asthma 16
Osteoperosis 6
Atrial Fibrilation 10
Heart Failure 26
Chronic Obstructive Pulmonary Disease 17
Diabetes 36
Dementia 19
Cancer 12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Khashayar Vaziri, MD, FACS treated as a bariatric surgeon in Washington, DC during 2014 were hospital care, inpatient care, open surgery and abdominal surgery.

Volume of procedures performed by Dr. Khashayar Vaziri, MD, FACS for Medicare patients.

abdominal surgery 13
doctor visit 188
gastrointestinal procedures 13
hospital care 155
inpatient care 155
open surgery 13

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Khashayar Vaziri, MD, FACS.

Gender
Male 131
Female 108
Ethnicity
Non-Hispanic White 105
Black 110
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 86
From 75 to 84 53
85 and over 27
Less than 65 73

Conditions of Medicare patients treated by Dr. Khashayar Vaziri, MD, FACS in 2014

Hypertension 71
High Cholesterol 53
Stroke 8
Ischemic Heart Disease 39
Depression 28
Chronic Kidney Disease 32
Asthma 13
Osteoperosis 8
Atrial Fibrilation 14
Heart Failure 16
Chronic Obstructive Pulmonary Disease 20
Diabetes 32
Dementia 17
Cancer 14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Khashayar Vaziri, MD, FACS treated as a bariatric surgeon in Washington, DC during 2015 were hospital care, inpatient care, open surgery and abdominal surgery.

Volume of procedures performed by Dr. Khashayar Vaziri, MD, FACS for Medicare patients.

abdominal surgery 16
doctor visit 188
gastrointestinal procedures 16
hospital care 230
inpatient care 230
open surgery 16

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Khashayar Vaziri, MD, FACS.

Gender
Male 300
Female 224
Ethnicity
Non-Hispanic White 250
Black 226
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 194
From 75 to 84 136
85 and over 64
Less than 65 130

Conditions of Medicare patients treated by Dr. Khashayar Vaziri, MD, FACS in 2015

Hypertension 73
High Cholesterol 53
Stroke 17
Ischemic Heart Disease 45
Depression 27
Chronic Kidney Disease 34
Asthma 21
Osteoperosis 6
Atrial Fibrilation 15
Heart Failure 27
Chronic Obstructive Pulmonary Disease 23
Diabetes 36
Dementia 23
Cancer 12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Khashayar Vaziri, MD, FACS treated as a bariatric surgeon in Washington, DC during 2016 were hospital care, inpatient care, open surgery and abdominal surgery.

Volume of procedures performed by Dr. Khashayar Vaziri, MD, FACS for Medicare patients.

abdominal surgery 22
doctor visit 177
gastrointestinal procedures 22
hospital care 113
inpatient care 113
open surgery 22

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Khashayar Vaziri, MD, FACS.

Gender
Male 121
Female 87
Ethnicity
Non-Hispanic White 99
Black 90
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 92
From 75 to 84 49
85 and over 17
Less than 65 50

Conditions of Medicare patients treated by Dr. Khashayar Vaziri, MD, FACS in 2016

Hypertension 69
High Cholesterol 49
Stroke 9
Ischemic Heart Disease 39
Depression 25
Chronic Kidney Disease 37
Asthma 23
Osteoperosis 7
Atrial Fibrilation 14
Heart Failure 25
Chronic Obstructive Pulmonary Disease 21
Diabetes 37
Dementia 18
Cancer 17

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Khashayar Vaziri, MD, FACS treated as a bariatric surgeon in Washington, DC during 2017 were hospital care, inpatient care, open surgery and abdominal surgery.

Volume of procedures performed by Dr. Khashayar Vaziri, MD, FACS for Medicare patients.

abdominal surgery 27
doctor visit 191
gastrointestinal procedures 27
hospital care 84
inpatient care 84
open surgery 27

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Khashayar Vaziri, MD, FACS.

Gender
Male 107
Female 79
Ethnicity
Non-Hispanic White 71
Black 95
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 72
From 75 to 84 47
85 and over 16
Less than 65 51

Conditions of Medicare patients treated by Dr. Khashayar Vaziri, MD, FACS in 2017

Hypertension 69
High Cholesterol 46
Stroke 8
Ischemic Heart Disease 38
Depression 29
Chronic Kidney Disease 33
Asthma 10
Osteoperosis 0
Atrial Fibrilation 9
Heart Failure 22
Chronic Obstructive Pulmonary Disease 16
Diabetes 34
Dementia 16
Cancer 19

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Khashayar Vaziri, MD, FACS treated as a bariatric surgeon in Washington, DC during 2018 were hospital care, inpatient care, open surgery and abdominal surgery.

Volume of procedures performed by Dr. Khashayar Vaziri, MD, FACS for Medicare patients.

abdominal surgery 23
doctor visit 247
gastrointestinal procedures 23
hospital care 133
inpatient care 133
open surgery 23

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Khashayar Vaziri, MD, FACS.

Gender
Male 153
Female 109
Ethnicity
Non-Hispanic White 114
Black 119
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 114
From 75 to 84 62
85 and over 28
Less than 65 58

Conditions of Medicare patients treated by Dr. Khashayar Vaziri, MD, FACS in 2018

Hypertension 68
High Cholesterol 44
Stroke 8
Ischemic Heart Disease 39
Depression 31
Chronic Kidney Disease 39
Asthma 13
Osteoperosis 9
Atrial Fibrilation 11
Heart Failure 19
Chronic Obstructive Pulmonary Disease 11
Diabetes 32
Dementia 17
Cancer 17

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Khashayar Vaziri, MD, FACS treated as a bariatric surgeon in Washington, DC during 2019 were hospital care, inpatient care, open surgery and abdominal surgery.

Volume of procedures performed by Dr. Khashayar Vaziri, MD, FACS for Medicare patients.

abdominal surgery 24
doctor visit 198
gastrointestinal procedures 24
hospital care 60
inpatient care 60
open surgery 24

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Khashayar Vaziri, MD, FACS.

Gender
Male 112
Female 92
Ethnicity
Non-Hispanic White 82
Black 99
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 92
From 75 to 84 51
85 and over 16
Less than 65 45

Conditions of Medicare patients treated by Dr. Khashayar Vaziri, MD, FACS in 2019

Hypertension 67
High Cholesterol 46
Stroke 7
Ischemic Heart Disease 34
Depression 27
Chronic Kidney Disease 37
Asthma 11
Osteoperosis 0
Atrial Fibrilation 7
Heart Failure 16
Chronic Obstructive Pulmonary Disease 11
Diabetes 37
Dementia 14
Cancer 12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Khashayar Vaziri, MD, FACS treated as a bariatric surgeon in Washington, DC during 2020 were hospital care, inpatient care, open surgery and abdominal surgery.

Volume of procedures performed by Dr. Khashayar Vaziri, MD, FACS for Medicare patients.

abdominal surgery 18
doctor visit 176
gastrointestinal procedures 18
hospital care 37
inpatient care 37
open surgery 18

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Khashayar Vaziri, MD, FACS.

Gender
Male 106
Female 63
Ethnicity
Non-Hispanic White 63
Black 90
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 76
From 75 to 84 42
85 and over 14
Less than 65 37

Conditions of Medicare patients treated by Dr. Khashayar Vaziri, MD, FACS in 2020

Hypertension 65
High Cholesterol 46
Stroke 9
Ischemic Heart Disease 51
Depression 27
Chronic Kidney Disease 37
Asthma 12
Osteoperosis 7
Atrial Fibrilation 8
Heart Failure 22
Chronic Obstructive Pulmonary Disease 18
Diabetes 29
Dementia 14
Cancer 17

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Khashayar Vaziri, MD, FACS treated as a bariatric surgeon in Washington, DC during 2021 were hospital care, inpatient care, open surgery and abdominal surgery.

Volume of procedures performed by Dr. Khashayar Vaziri, MD, FACS for Medicare patients.

abdominal surgery 19
doctor visit 208
gastrointestinal procedures 19
hospital care 63
inpatient care 63
open surgery 19

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Khashayar Vaziri, MD, FACS.

Gender
Male 113
Female 82
Ethnicity
Non-Hispanic White 71
Black 108
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 87
From 75 to 84 48
85 and over 22
Less than 65 38

Conditions of Medicare patients treated by Dr. Khashayar Vaziri, MD, FACS in 2021

Hypertension 74
High Cholesterol 57
Stroke 10
Ischemic Heart Disease 45
Depression 22
Chronic Kidney Disease 34
Asthma 10
Osteoperosis 6
Atrial Fibrilation 10
Heart Failure 24
Chronic Obstructive Pulmonary Disease 17
Diabetes 32
Dementia 15
Cancer 14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Khashayar Vaziri, MD, FACS treated as a bariatric surgeon in Washington, DC during 2022 were hospital care, inpatient care, open surgery and abdominal surgery.

Volume of procedures performed by Dr. Khashayar Vaziri, MD, FACS for Medicare patients.

abdominal surgery 29
doctor visit 209
gastrointestinal procedures 29
hospital care 40
inpatient care 40
open surgery 29

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Khashayar Vaziri, MD, FACS.

Gender
Male 107
Female 75
Ethnicity
Non-Hispanic White 58
Black 94
Hispanic 13
Asian 0
Other 0
Native American 0
Age
From 65 to 74 75
From 75 to 84 60
85 and over 20
Less than 65 27

Conditions of Medicare patients treated by Dr. Khashayar Vaziri, MD, FACS in 2022

Hypertension 75
High Cholesterol 70
Stroke 16
Ischemic Heart Disease 36
Depression 21
Chronic Kidney Disease 27
Asthma 14
Osteoperosis 12
Atrial Fibrilation 19
Heart Failure 22
Chronic Obstructive Pulmonary Disease 14
Diabetes 31
Dementia 13
Cancer 17

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Khashayar Vaziri, MD, FACS treated as a bariatric surgeon in Washington, DC during 2023 were hospital care, inpatient care, open surgery and abdominal surgery.

Volume of procedures performed by Dr. Khashayar Vaziri, MD, FACS for Medicare patients.

abdominal surgery 24
doctor visit 214
gastrointestinal procedures 24
hospital care 42
inpatient care 42
open surgery 24

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Khashayar Vaziri, MD, FACS.

Gender
Male 107
Female 89
Ethnicity
Non-Hispanic White 100
Black 68
Hispanic 14
Asian 0
Other 0
Native American 0
Age
From 65 to 74 87
From 75 to 84 56
85 and over 21
Less than 65 32

Conditions of Medicare patients treated by Dr. Khashayar Vaziri, MD, FACS in 2023

Hypertension 73
High Cholesterol 72
Stroke 9
Ischemic Heart Disease 32
Depression 21
Chronic Kidney Disease 20
Asthma 20
Osteoperosis 14
Atrial Fibrilation 12
Heart Failure 16
Chronic Obstructive Pulmonary Disease 15
Diabetes 29
Dementia 10
Cancer 24

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Khashayar Vaziri, MD, FACS for Medicare patients.

The highest averages for the top procedures that Dr. Khashayar Vaziri, MD, FACS treated as a bariatric surgeon in Washington, DC were hospital care, inpatient care, open surgery and abdominal surgery.

abdominal surgery 21
doctor visit 198
gastrointestinal procedures 21
hospital care 126
inpatient care 126
open surgery 21

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Khashayar Vaziri, MD, FACS.

Gender
Male 124
Female 94
Ethnicity
Black / African American 103
Asian / Pacific Islander 0
Non-Hispanic White 92
Hispanic 2
Native American / Alaskan Native 0
Other 0
Age
75 to 84 55
85 and over 23
Less than 65 51
65 to 74 89

Average of Total of Conditions of Medicare patients treated by Dr. Khashayar Vaziri, MD, FACS From 2012 - 2023

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

Hypertension 64
High Cholesterol 48
Stroke 9
Ischemic Heart Disease 36
Depression 23
Chronic Kidney Disease 30
Asthma 13
Osteoporosis 6
Heart Failure 19
Chronic Obstructive Pulmonary Disease 15
Diabetes 30
Atrial Fibrillation 10
Cancer 14
Dementia 14

Education & Training

He completed residency at George Washington University Medical Center. He is certified by the General Surgery American Board of Surgery and has a state license in District of Columbia.

Residency: George Washington University Medical Center

Board Certification: General Surgery American Board of Surgery

Licensed In: District of Columbia

Affiliations & Hospitals

Dr. Khashayar Vaziri, MD, FACS is associated with these hospitals and organizations:

GW Medical Faculty Associates

Ratings & Reviews

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General Payments

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

Payments by Company
LIFECELL CORPORATION $44,380 STRATTICE LAP
$28,813 		STRATTICE
$14,937 		AlloDerm
$630
Intuitive Surgical, Inc. $1,579 Da Vinci Surgical System
$1,579
RTI Surgical, Inc. $873 Fortiva Porcine Dermis
$529 		Fortiva
$344
Applied Medical Resources Corporation $785 EPIX LAPAROSCOPIC INSTRUMENTATION
$785
Ethicon US, LLC $577 Mechanical
$106 		Mega Vac
$90 		HARMONIC Product Family
$85 		Biosurgicals
$71 		LIGACLIP
$69 		Other
$156
Other $707 Endo Stapling
$87 		NASCOBAL CYANOCOBALAMIN, USP
$56 		ENTEREG
$28 		NON-PRODUCT
$28 		STRATTICE
$25 		Other
$483
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 $30,213
Travel and Lodging $14,161
Food and Beverage $2,769
Consulting Fee $970
Charitable Contribution $785
Other $1

Research Payments

Dr. Khashayar Vaziri, MD, FACS has received 1 research payments totaling $473.

Biography

Dr. Khashayar Vaziri is a specialist in general surgery and bariatric surgery in Washington, DC. Areas of expertise for Dr. Vaziri include anti-reflux surgery, achalasia, and stomach problems. He obtained his medical school training at UMDNJ-Robert Wood Johnson Medical School and UMDNJ-New Jersey Medical School and performed his residency at George Washington University Medical Center. He is professionally affiliated with GW Medical Faculty Associates. His practice in Washington, DC is open to new patients as reported by Doctor.com.

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