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Dr. Gregory Martin Kwok, MD

Accepting New Patients

(5 Ratings)

Specializes in: Adult Gastroenterology

University of Texas Southwestern Medical School

3820 S Hualapai Way Suite 200
Las Vegas, NV 89147

(702) 796-0231

Dr. Gregory Martin Kwok, MD is a gastroenterologist in Las Vegas, NV specializing in adult gastroenterology. He graduated from University of Texas Southwestern Medical School. Dr. Gregory Martin Kwok, MD is affiliated with Dignity Health, Sunrise Health, St Rose Dominican - San Martin, FRANK J NEMEC MD LTD and Southern Hills Hospital and Medical Center.

Office Locations

3820 S Hualapai Way Suite 200
Las Vegas, NV 89147

open_in_new

St Rose Dominican - San Martin

6950 S Cimarron Road Suite 200
Las Vegas, NV 89113

(702) 796-0231

(702) 962-5211

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Gregory Martin Kwok, MD in 2023

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

Top 10%

By Volume:

colonoscopy

colonoscopy with biopsy

colonoscopy with lesion removal

endoscopy

gastrointestinal biopsy

gastrointestinal procedures

removal of lesion

In 2023, Dr. Gregory Martin Kwok, MD performed more colonoscopy, colonoscopy with biopsy, colonoscopy with lesion removal, endoscopy, gastrointestinal biopsy, gastrointestinal procedures, and removal of lesion (e.g. growth) procedures for Medicare patients than 90% of providers in related specialties within Nevada.

Top 25%

By Volume:

EGD with biopsy

EGD with lesion removal

preventive care

screening colonoscopy

In 2012, Dr. Gregory Martin Kwok, MD performed more EGD with biopsy, EGD with lesion removal, preventive care, and screening colonoscopy procedures for Medicare patients than 75% of providers in related specialties within Nevada.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Gregory Martin Kwok, MD treated as a gastroenterologist in Las Vegas, NV during 2012 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gregory Martin Kwok, MD for Medicare patients.

balloon dilation	20
diagnostic procedures	479
doctor visit	1372
esophageal dilation	20
gastrointestinal procedures	635
minimally invasive procedures	635
preventive care	102
removal of lesion (e.g. growth)	479

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Gregory Martin Kwok, MD treated as a gastroenterologist in Las Vegas, NV during 2013 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gregory Martin Kwok, MD for Medicare patients.

diagnostic procedures	536
doctor visit	1332
gastrointestinal procedures	690
hospital care	28
inpatient care	28
minimally invasive procedures	690
preventive care	132
removal of lesion (e.g. growth)	536

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Martin Kwok, MD.

**Gender**
Male	376
Female	505

**Ethnicity**
Non-Hispanic White	744
Black	48
Hispanic	20
Asian	46
Other	23
Native American	0

**Age**
From 65 to 74	511
From 75 to 84	266
85 and over	45
Less than 65	59

Conditions of Medicare patients treated by Dr. Gregory Martin Kwok, MD in 2013

Hypertension	68
High Cholesterol	70
Stroke	5
Ischemic Heart Disease	32
Depression	14
Chronic Kidney Disease	22
Asthma	10
Osteoperosis	10
Atrial Fibrilation	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	11
Diabetes	31
Dementia	4
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Gregory Martin Kwok, MD treated as a gastroenterologist in Las Vegas, NV during 2014 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gregory Martin Kwok, MD for Medicare patients.

diagnostic procedures	487
doctor visit	1232
esophageal dilation	22
gastrointestinal procedures	603
hospital care	30
hydrogen breath test	13
inpatient care	30
methane breath test	13
minimally invasive procedures	603
preventive care	94
removal of lesion (e.g. growth)	487

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Martin Kwok, MD.

**Gender**
Male	330
Female	471

**Ethnicity**
Non-Hispanic White	663
Black	46
Hispanic	0
Asian	36
Other	28
Native American	0

**Age**
From 65 to 74	468
From 75 to 84	245
85 and over	47
Less than 65	41

Conditions of Medicare patients treated by Dr. Gregory Martin Kwok, MD in 2014

Hypertension	68
High Cholesterol	72
Stroke	5
Ischemic Heart Disease	36
Depression	14
Chronic Kidney Disease	24
Asthma	11
Osteoperosis	9
Atrial Fibrilation	8
Heart Failure	9
Chronic Obstructive Pulmonary Disease	12
Diabetes	30
Dementia	5
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Gregory Martin Kwok, MD treated as a gastroenterologist in Las Vegas, NV during 2015 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gregory Martin Kwok, MD for Medicare patients.

diagnostic procedures	536
doctor visit	1274
esophageal dilation	41
gastrointestinal procedures	654
hospital care	32
inpatient care	32
minimally invasive procedures	654
preventive care	106
removal of lesion (e.g. growth)	536

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Martin Kwok, MD.

**Gender**
Male	700
Female	1046

**Ethnicity**
Non-Hispanic White	1416
Black	130
Hispanic	58
Asian	88
Other	54
Native American	0

**Age**
From 65 to 74	1020
From 75 to 84	534
85 and over	108
Less than 65	84

Conditions of Medicare patients treated by Dr. Gregory Martin Kwok, MD in 2015

Hypertension	68
High Cholesterol	74
Stroke	6
Ischemic Heart Disease	36
Depression	14
Chronic Kidney Disease	28
Asthma	13
Osteoperosis	9
Atrial Fibrilation	8
Heart Failure	8
Chronic Obstructive Pulmonary Disease	13
Diabetes	32
Dementia	6
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Gregory Martin Kwok, MD treated as a gastroenterologist in Las Vegas, NV during 2016 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gregory Martin Kwok, MD for Medicare patients.

diagnostic procedures	609
doctor visit	1148
esophageal dilation	30
gastrointestinal procedures	751
minimally invasive procedures	751
preventive care	116
removal of lesion (e.g. growth)	609

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Martin Kwok, MD.

**Gender**
Male	378
Female	548

**Ethnicity**
Non-Hispanic White	768
Black	44
Hispanic	40
Asian	47
Other	0
Native American	0

**Age**
From 65 to 74	552
From 75 to 84	277
85 and over	48
Less than 65	49

Conditions of Medicare patients treated by Dr. Gregory Martin Kwok, MD in 2016

Hypertension	68
High Cholesterol	66
Stroke	4
Ischemic Heart Disease	34
Depression	15
Chronic Kidney Disease	29
Asthma	17
Osteoperosis	9
Atrial Fibrilation	9
Heart Failure	10
Chronic Obstructive Pulmonary Disease	13
Diabetes	27
Dementia	6
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Gregory Martin Kwok, MD treated as a gastroenterologist in Las Vegas, NV during 2017 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gregory Martin Kwok, MD for Medicare patients.

diagnostic procedures	606
doctor visit	1193
esophageal dilation	33
gastrointestinal procedures	740
minimally invasive procedures	740
preventive care	104
removal of lesion (e.g. growth)	606

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Martin Kwok, MD.

**Gender**
Male	360
Female	550

**Ethnicity**
Non-Hispanic White	745
Black	44
Hispanic	39
Asian	43
Other	0
Native American	0

**Age**
From 65 to 74	531
From 75 to 84	290
85 and over	48
Less than 65	41

Conditions of Medicare patients treated by Dr. Gregory Martin Kwok, MD in 2017

Hypertension	67
High Cholesterol	66
Stroke	5
Ischemic Heart Disease	38
Depression	16
Chronic Kidney Disease	32
Asthma	9
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	11
Chronic Obstructive Pulmonary Disease	14
Diabetes	30
Dementia	6
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Gregory Martin Kwok, MD treated as a gastroenterologist in Las Vegas, NV during 2018 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gregory Martin Kwok, MD for Medicare patients.

balloon dilation	16
diagnostic procedures	493
doctor visit	1209
esophageal dilation	50
gastrointestinal procedures	617
minimally invasive procedures	617
preventive care	88
removal of lesion (e.g. growth)	493

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Martin Kwok, MD.

**Gender**
Male	360
Female	505

**Ethnicity**
Non-Hispanic White	715
Black	44
Hispanic	38
Asian	41
Other	0
Native American	0

**Age**
From 65 to 74	506
From 75 to 84	283
85 and over	42
Less than 65	34

Conditions of Medicare patients treated by Dr. Gregory Martin Kwok, MD in 2018

Hypertension	71
High Cholesterol	72
Stroke	4
Ischemic Heart Disease	37
Depression	15
Chronic Kidney Disease	33
Asthma	11
Osteoperosis	10
Atrial Fibrilation	10
Heart Failure	10
Chronic Obstructive Pulmonary Disease	11
Diabetes	30
Dementia	6
Cancer	15

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Gregory Martin Kwok, MD treated as a gastroenterologist in Las Vegas, NV during 2019 were gastrointestinal procedures, minimally invasive procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gregory Martin Kwok, MD for Medicare patients.

balloon dilation	13
diagnostic procedures	590
doctor visit	1144
esophageal dilation	42
gastrointestinal procedures	724
minimally invasive procedures	703
preventive care	88
removal of lesion (e.g. growth)	590

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Martin Kwok, MD.

**Gender**
Male	358
Female	516

**Ethnicity**
Non-Hispanic White	716
Black	35
Hispanic	0
Asian	44
Other	42
Native American	0

**Age**
From 65 to 74	498
From 75 to 84	309
85 and over	45
Less than 65	22

Conditions of Medicare patients treated by Dr. Gregory Martin Kwok, MD in 2019

Hypertension	68
High Cholesterol	73
Stroke	3
Ischemic Heart Disease	37
Depression	15
Chronic Kidney Disease	32
Asthma	10
Osteoperosis	10
Atrial Fibrilation	8
Heart Failure	10
Chronic Obstructive Pulmonary Disease	10
Diabetes	28
Dementia	6
Cancer	14

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Gregory Martin Kwok, MD treated as a gastroenterologist in Las Vegas, NV during 2020 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gregory Martin Kwok, MD for Medicare patients.

balloon dilation	20
diagnostic procedures	452
doctor visit	1006
esophageal dilation	50
gastrointestinal procedures	572
minimally invasive procedures	572
preventive care	84
removal of lesion (e.g. growth)	452

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Martin Kwok, MD.

**Gender**
Male	303
Female	442

**Ethnicity**
Non-Hispanic White	624
Black	29
Hispanic	0
Asian	41
Other	28
Native American	0

**Age**
From 65 to 74	429
From 75 to 84	247
85 and over	45
Less than 65	24

Conditions of Medicare patients treated by Dr. Gregory Martin Kwok, MD in 2020

Hypertension	66
High Cholesterol	70
Stroke	5
Ischemic Heart Disease	36
Depression	14
Chronic Kidney Disease	34
Asthma	11
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	10
Chronic Obstructive Pulmonary Disease	11
Diabetes	30
Dementia	4
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Gregory Martin Kwok, MD treated as a gastroenterologist in Las Vegas, NV during 2021 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gregory Martin Kwok, MD for Medicare patients.

diagnostic procedures	489
doctor visit	1089
esophageal dilation	36
gastrointestinal procedures	625
minimally invasive procedures	625
preventive care	100
removal of lesion (e.g. growth)	489

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Martin Kwok, MD.

**Gender**
Male	312
Female	473

**Ethnicity**
Non-Hispanic White	664
Black	35
Hispanic	25
Asian	39
Other	0
Native American	0

**Age**
From 65 to 74	420
From 75 to 84	305
85 and over	38
Less than 65	22

Conditions of Medicare patients treated by Dr. Gregory Martin Kwok, MD in 2021

Hypertension	69
High Cholesterol	75
Stroke	3
Ischemic Heart Disease	38
Depression	16
Chronic Kidney Disease	36
Asthma	10
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	10
Chronic Obstructive Pulmonary Disease	11
Diabetes	29
Dementia	6
Cancer	14

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Gregory Martin Kwok, MD treated as a gastroenterologist in Las Vegas, NV during 2022 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Gregory Martin Kwok, MD for Medicare patients.

balloon dilation	22
diagnostic procedures	446
doctor visit	1032
esophageal dilation	51
gastrointestinal procedures	594
minimally invasive procedures	594
preventive care	102
removal of lesion (e.g. growth)	446

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Gregory Martin Kwok, MD.

**Gender**
Male	333
Female	445

**Ethnicity**
Non-Hispanic White	639
Black	0
Hispanic	33
Asian	48
Other	34
Native American	0

**Age**
From 65 to 74	374
From 75 to 84	331
85 and over	56
Less than 65	17

Conditions of Medicare patients treated by Dr. Gregory Martin Kwok, MD in 2022

Hypertension	74
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	31
Depression	15
Chronic Kidney Disease	23
Asthma	13
Osteoperosis	17
Atrial Fibrilation	14
Heart Failure	8
Chronic Obstructive Pulmonary Disease	12
Diabetes	29
Dementia	3
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Gregory Martin Kwok, MD for Medicare patients.

The highest averages for the top procedures that Dr. Gregory Martin Kwok, MD treated as a gastroenterologist in Las Vegas, NV were gastrointestinal procedures, minimally invasive procedures, removal of lesion (e.g. growth) and diagnostic procedures.

balloon dilation	18
diagnostic procedures	520
doctor visit	1184
esophageal dilation	37
gastrointestinal procedures	655
hospital care	30
hydrogen breath test	13
inpatient care	30
methane breath test	13
minimally invasive procedures	653
preventive care	101
removal of lesion (e.g. growth)	520

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Gregory Martin Kwok, MD.

**Gender**
Male	346
Female	500

**Ethnicity**
Black / African American	41
Asian / Pacific Islander	43
Non-Hispanic White	699
Hispanic	23
Native American / Alaskan Native	0
Other	19

**Age**
75 to 84	280
85 and over	47
Less than 65	35
65 to 74	482

Average of Total of Conditions of Medicare patients treated by Dr. Gregory Martin Kwok, MD From 2012 - 2022

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

Hypertension	62
High Cholesterol	64
Stroke	4
Ischemic Heart Disease	32
Depression	13
Chronic Kidney Disease	26
Asthma	10
Osteoporosis	9
Heart Failure	8
Chronic Obstructive Pulmonary Disease	10
Diabetes	26
Atrial Fibrillation	8
Cancer	12
Dementia	4

Education & Training

Dr. Gregory Martin Kwok, MD graduated from University of Texas Southwestern Medical School. He is certified by the Internal Medicine (Sub: Gastroenterology) and has a state license in Nevada.

Medical School: University of Texas Southwestern Medical School

Board Certification: Internal Medicine (Sub: Gastroenterology)

Licensed In: Nevada

Affiliations & Hospitals

Dr. Gregory Martin Kwok, MD is associated with these hospitals and organizations:

Dignity Health

Sunrise Health

St Rose Dominican - San Martin

FRANK J NEMEC MD LTD

Southern Hills Hospital and Medical Center

Ratings & Reviews

Dr. Gregory Martin Kwok, MD has a good overall rating with an average of 2.6 out of 5 stars based on 5 ratings. We collect ratings and reviews of Dr. Gregory Martin Kwok, MD from all over the web to help you find the right in Las Vegas, NV.

2.6

Overall Rating

(5 Ratings)

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General Payments

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

**Payments by Company**
AbbVie, Inc.	$1,950 Humira $1,290	Creon $312	Mavyret $201	Viekira $80	Duopa $26	Other $40
Janssen Biotech, Inc.	$780 SIMPONI $464	STELARA $152	REMICADE $115	SIMPONI ARIA $41	OLYSIO $8
Covidien LP	$709 PillCam $676	Smart Pill $17	Bravo $15
Allergan Inc.	$643 LINZESS $352	VIBERZI $263	VRAYLAR $28
Gilead Sciences Inc	$598 Sovaldi $90	Epclusa $81	$427
Other	$5,577 ENTYVIO $637	ZEPATIER $481	SUCRAID $439	Cimzia $409	XIFAXAN $261	Other $3,349

**Types of Payments**
Food and Beverage	$9,723
Travel and Lodging	$467
Education	$66

Biography

Dr. Gregory Kwok practices adult gastroenterology. He graduated from the University of Texas Southwestern Medical School. He has a 2.5 out of 5 star average patient rating. Dr. Kwok's professional affiliations include Sunrise Health and Dignity Health. According to Dignity Health, new patients are welcome to contact his office in Las Vegas, NV.

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Dr. Gregory Martin Kwok, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Gregory Martin Kwok, MD in 2023

By Volume:

By Volume:

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. Gregory Martin Kwok, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Martin Kwok, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Martin Kwok, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Martin Kwok, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Martin Kwok, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Martin Kwok, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Martin Kwok, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Martin Kwok, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Martin Kwok, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Gregory Martin Kwok, MD 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. Gregory Martin Kwok, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

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