Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > TX Providers

Dr. Michael J. Nunez, MD

(284 Ratings)

Specializes in: Adult Gastroenterology

Duke University School of Medicine (1991)

8230 Walnut Hill Lane Suite 610
Dallas, TX 75231

(972) 850-3860

Dr. Michael J. Nunez, MD is a gastroenterologist in Dallas, TX specializing in adult gastroenterology. He graduated from Duke University School of Medicine in 1991 and has 35 years of experience. Dr. Michael J. Nunez, MD is affiliated with Texas Health Resources and Texas Digestive Disease Consultants.

Office Locations

Texas Health Resources

8230 Walnut Hill Lane Suite 610
Dallas, TX 75231

(972) 850-3860

open_in_new

Texas Digestive Disease Consultants

8230 Walnut Hill Ln Professional Building 3 Suite 610
Dallas, TX 75231

(972) 850-3860

open_in_new

Noteworthy Medicare Patient Procedures Performed by Dr. Michael J. Nunez, MD in 2023

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

Top 5%

By Affordability:

esophageal dilation

In 2023, Dr. Michael J. Nunez, MD had a list price for esophageal dilation that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Texas. 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 with biopsy

colonoscopy with lesion removal

gastrointestinal biopsy

removal of lesion

In 2023, Dr. Michael J. Nunez, MD performed more colonoscopy with biopsy, colonoscopy with lesion removal, gastrointestinal biopsy, and removal of lesion (e.g. growth) procedures for Medicare patients than 90% of providers in related specialties within Texas.

Top 25%

By Volume:

colonoscopy

diagnostic upper endoscopy

EGD with biopsy

EGD with lesion removal

endoscopy

esophageal dilation without endoscopic guidance

gastrointestinal procedures

By Affordability:

esophageal dilation without endoscopic guidance

intravenous infusion therapy

In 2012, among providers in related specialties within Texas, Dr. Michael J. Nunez, MD performed more colonoscopy, diagnostic upper endoscopy, EGD with biopsy, EGD with lesion removal, endoscopy, esophageal dilation without endoscopic guidance, and gastrointestinal procedures procedures for Medicare patients than 75% of them and he also had a list price for esophageal dilation without endoscopic guidance, and intravenous infusion therapy 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. Michael J. Nunez, MD treated as a gastroenterologist in Dallas, TX during 2012 were gastrointestinal procedures, minimally invasive procedures, inpatient care and hospital care.

Volume of procedures performed by Dr. Michael J. Nunez, MD for Medicare patients.

anastomosis	12
aspiration	22
balloon dilation	13
catheterization	12
diagnostic procedures	500
doctor visit	364
esophageal dilation	46
gastrointestinal procedures	641
hospital care	544
image guided procedures	22
inpatient care	544
minimally invasive procedures	641
minor procedures	22
preventive care	13
removal of lesion (e.g. growth)	500
stent placement (stenting)	13
ultrasound (sonogram)	49

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Michael J. Nunez, MD treated as a gastroenterologist in Dallas, TX during 2013 were minimally invasive procedures, gastrointestinal procedures, hospital care and inpatient care.

Volume of procedures performed by Dr. Michael J. Nunez, MD for Medicare patients.

aspiration	23
diagnostic procedures	426
doctor visit	423
gastrointestinal procedures	512
hospital care	504
image guided procedures	23
inpatient care	504
minimally invasive procedures	512
minor procedures	23
preventive care	30
removal of lesion (e.g. growth)	426
ultrasound (sonogram)	23

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael J. Nunez, MD.

**Gender**
Male	263
Female	362

**Ethnicity**
Non-Hispanic White	544
Black	44
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	247
From 75 to 84	217
85 and over	110
Less than 65	51

Conditions of Medicare patients treated by Dr. Michael J. Nunez, MD in 2013

Hypertension	75
High Cholesterol	67
Stroke	5
Ischemic Heart Disease	37
Depression	25
Chronic Kidney Disease	27
Asthma	8
Osteoperosis	13
Atrial Fibrilation	15
Heart Failure	22
Chronic Obstructive Pulmonary Disease	18
Diabetes	28
Dementia	13
Cancer	16

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Michael J. Nunez, MD treated as a gastroenterologist in Dallas, TX during 2014 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Michael J. Nunez, MD for Medicare patients.

aspiration	23
diagnostic procedures	415
doctor visit	313
esophageal dilation	12
gastrointestinal procedures	488
hospital care	390
image guided procedures	23
inpatient care	390
minimally invasive procedures	488
minor procedures	23
preventive care	19
removal of lesion (e.g. growth)	415
ultrasound (sonogram)	37

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael J. Nunez, MD.

**Gender**
Male	237
Female	293

**Ethnicity**
Non-Hispanic White	473
Black	24
Hispanic	21
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	221
From 75 to 84	193
85 and over	80
Less than 65	36

Conditions of Medicare patients treated by Dr. Michael J. Nunez, MD in 2014

Hypertension	72
High Cholesterol	68
Stroke	5
Ischemic Heart Disease	39
Depression	28
Chronic Kidney Disease	27
Asthma	9
Osteoperosis	14
Atrial Fibrilation	16
Heart Failure	20
Chronic Obstructive Pulmonary Disease	19
Diabetes	27
Dementia	13
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Michael J. Nunez, MD treated as a gastroenterologist in Dallas, TX during 2015 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Michael J. Nunez, MD for Medicare patients.

diagnostic procedures	406
doctor visit	297
esophageal dilation	15
gastrointestinal procedures	465
hospital care	213
inpatient care	213
minimally invasive procedures	465
preventive care	23
removal of lesion (e.g. growth)	406

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael J. Nunez, MD.

**Gender**
Male	376
Female	596

**Ethnicity**
Non-Hispanic White	838
Black	78
Hispanic	26
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	456
From 75 to 84	340
85 and over	126
Less than 65	50

Conditions of Medicare patients treated by Dr. Michael J. Nunez, MD in 2015

Hypertension	70
High Cholesterol	67
Stroke	6
Ischemic Heart Disease	35
Depression	27
Chronic Kidney Disease	25
Asthma	12
Osteoperosis	14
Atrial Fibrilation	16
Heart Failure	19
Chronic Obstructive Pulmonary Disease	17
Diabetes	28
Dementia	13
Cancer	15

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Michael J. Nunez, MD treated as a gastroenterologist in Dallas, TX during 2016 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Michael J. Nunez, MD for Medicare patients.

aspiration	11
diagnostic procedures	349
doctor visit	338
gastrointestinal procedures	349
hospital care	57
image guided procedures	11
inpatient care	57
minimally invasive procedures	349
minor procedures	11
removal of lesion (e.g. growth)	349
ultrasound (sonogram)	11

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael J. Nunez, MD.

**Gender**
Male	185
Female	275

**Ethnicity**
Non-Hispanic White	395
Black	32
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	221
From 75 to 84	154
85 and over	57
Less than 65	28

Conditions of Medicare patients treated by Dr. Michael J. Nunez, MD in 2016

Hypertension	70
High Cholesterol	65
Stroke	4
Ischemic Heart Disease	33
Depression	27
Chronic Kidney Disease	26
Asthma	18
Osteoperosis	15
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	14
Diabetes	25
Dementia	10
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Michael J. Nunez, MD treated as a gastroenterologist in Dallas, TX during 2017 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Michael J. Nunez, MD for Medicare patients.

aspiration	13
diagnostic procedures	488
doctor visit	474
esophageal dilation	11
gastrointestinal procedures	488
hospital care	28
image guided procedures	13
inpatient care	28
minimally invasive procedures	488
minor procedures	13
removal of lesion (e.g. growth)	488
ultrasound (sonogram)	13

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael J. Nunez, MD.

**Gender**
Male	236
Female	304

**Ethnicity**
Non-Hispanic White	472
Black	23
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	252
From 75 to 84	214
85 and over	49
Less than 65	25

Conditions of Medicare patients treated by Dr. Michael J. Nunez, MD in 2017

Hypertension	68
High Cholesterol	53
Stroke	6
Ischemic Heart Disease	34
Depression	28
Chronic Kidney Disease	24
Asthma	8
Osteoperosis	13
Atrial Fibrilation	13
Heart Failure	11
Chronic Obstructive Pulmonary Disease	13
Diabetes	26
Dementia	10
Cancer	16

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Michael J. Nunez, MD treated as a gastroenterologist in Dallas, TX during 2018 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Michael J. Nunez, MD for Medicare patients.

diagnostic procedures	439
doctor visit	457
esophageal dilation	25
gastrointestinal procedures	439
hospital care	17
inpatient care	17
minimally invasive procedures	439
removal of lesion (e.g. growth)	439

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael J. Nunez, MD.

**Gender**
Male	212
Female	269

**Ethnicity**
Non-Hispanic White	427
Black	14
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	242
From 75 to 84	180
85 and over	37
Less than 65	22

Conditions of Medicare patients treated by Dr. Michael J. Nunez, MD in 2018

Hypertension	69
High Cholesterol	69
Stroke	5
Ischemic Heart Disease	33
Depression	27
Chronic Kidney Disease	27
Asthma	6
Osteoperosis	11
Atrial Fibrilation	11
Heart Failure	13
Chronic Obstructive Pulmonary Disease	11
Diabetes	24
Dementia	9
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Michael J. Nunez, MD treated as a gastroenterologist in Dallas, TX during 2019 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Michael J. Nunez, MD for Medicare patients.

diagnostic procedures	477
doctor visit	446
esophageal dilation	37
gastrointestinal procedures	477
hospital care	55
inpatient care	55
minimally invasive procedures	477
removal of lesion (e.g. growth)	477

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael J. Nunez, MD.

**Gender**
Male	239
Female	312

**Ethnicity**
Non-Hispanic White	479
Black	19
Hispanic	28
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	291
From 75 to 84	177
85 and over	58
Less than 65	25

Conditions of Medicare patients treated by Dr. Michael J. Nunez, MD in 2019

Hypertension	69
High Cholesterol	71
Stroke	5
Ischemic Heart Disease	35
Depression	30
Chronic Kidney Disease	27
Asthma	8
Osteoperosis	12
Atrial Fibrilation	14
Heart Failure	16
Chronic Obstructive Pulmonary Disease	13
Diabetes	24
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Michael J. Nunez, MD treated as a gastroenterologist in Dallas, TX during 2020 were removal of lesion (e.g. growth), minimally invasive procedures, diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Michael J. Nunez, MD for Medicare patients.

diagnostic procedures	392
doctor visit	378
esophageal dilation	33
gastrointestinal procedures	392
hospital care	120
inpatient care	120
minimally invasive procedures	392
removal of lesion (e.g. growth)	392

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael J. Nunez, MD.

**Gender**
Male	220
Female	313

**Ethnicity**
Non-Hispanic White	467
Black	21
Hispanic	22
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	252
From 75 to 84	187
85 and over	73
Less than 65	21

Conditions of Medicare patients treated by Dr. Michael J. Nunez, MD in 2020

Hypertension	71
High Cholesterol	74
Stroke	7
Ischemic Heart Disease	34
Depression	29
Chronic Kidney Disease	31
Asthma	8
Osteoperosis	15
Atrial Fibrilation	14
Heart Failure	17
Chronic Obstructive Pulmonary Disease	13
Diabetes	25
Dementia	12
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Michael J. Nunez, MD treated as a gastroenterologist in Dallas, TX during 2021 were minimally invasive procedures, gastrointestinal procedures, removal of lesion (e.g. growth) and diagnostic procedures.

Volume of procedures performed by Dr. Michael J. Nunez, MD for Medicare patients.

balloon dilation	13
diagnostic procedures	468
doctor visit	398
esophageal dilation	44
gastrointestinal procedures	493
hospital care	123
inpatient care	123
minimally invasive procedures	493
preventive care	12
removal of lesion (e.g. growth)	468

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael J. Nunez, MD.

**Gender**
Male	253
Female	346

**Ethnicity**
Non-Hispanic White	503
Black	27
Hispanic	31
Asian	0
Other	27
Native American	0

**Age**
From 65 to 74	292
From 75 to 84	210
85 and over	72
Less than 65	25

Conditions of Medicare patients treated by Dr. Michael J. Nunez, MD in 2021

Hypertension	67
High Cholesterol	71
Stroke	5
Ischemic Heart Disease	30
Depression	31
Chronic Kidney Disease	30
Asthma	6
Osteoperosis	12
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	12
Diabetes	24
Dementia	14
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Michael J. Nunez, MD treated as a gastroenterologist in Dallas, TX during 2022 were minimally invasive procedures, removal of lesion (e.g. growth), diagnostic procedures and gastrointestinal procedures.

Volume of procedures performed by Dr. Michael J. Nunez, MD for Medicare patients.

biological response modifier (BRM) therapy	21
chemotherapy	21
diagnostic procedures	486
doctor visit	407
esophageal dilation	26
gastrointestinal procedures	486
minimally invasive procedures	507
removal of lesion (e.g. growth)	486

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael J. Nunez, MD.

**Gender**
Male	248
Female	304

**Ethnicity**
Non-Hispanic White	494
Black	16
Hispanic	12
Asian	0
Other	18
Native American	0

**Age**
From 65 to 74	288
From 75 to 84	202
85 and over	49
Less than 65	13

Conditions of Medicare patients treated by Dr. Michael J. Nunez, MD in 2022

Hypertension	69
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	23
Depression	24
Chronic Kidney Disease	14
Asthma	9
Osteoperosis	17
Atrial Fibrilation	13
Heart Failure	8
Chronic Obstructive Pulmonary Disease	11
Diabetes	18
Dementia	5
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Michael J. Nunez, MD for Medicare patients.

The highest averages for the top procedures that Dr. Michael J. Nunez, MD treated as a gastroenterologist in Dallas, TX were minimally invasive procedures, gastrointestinal procedures, diagnostic procedures and removal of lesion (e.g. growth).

anastomosis	12
aspiration	18
balloon dilation	13
biological response modifier (BRM) therapy	21
catheterization	12
chemotherapy	21
diagnostic procedures	440
doctor visit	390
esophageal dilation	27
gastrointestinal procedures	475
hospital care	205
image guided procedures	18
inpatient care	205
minimally invasive procedures	477
minor procedures	18
preventive care	19
removal of lesion (e.g. growth)	440
stent placement (stenting)	13
ultrasound (sonogram)	26

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Michael J. Nunez, MD.

**Gender**
Male	224
Female	306

**Ethnicity**
Black / African American	27
Asian / Pacific Islander	0
Non-Hispanic White	462
Native American / Alaskan Native	0
Hispanic	20
Other	4

**Age**
75 to 84	188
85 and over	64
Less than 65	26
65 to 74	251

Average of Total of Conditions of Medicare patients treated by Dr. Michael J. Nunez, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Michael J. Nunez, MD treated were hypertension, high cholesterol, ischemic heart disease and depression.

Hypertension	63
High Cholesterol	61
Stroke	4
Ischemic Heart Disease	30
Depression	25
Chronic Kidney Disease	23
Asthma	8
Osteoporosis	12
Heart Failure	14
Chronic Obstructive Pulmonary Disease	12
Diabetes	22
Atrial Fibrillation	12
Dementia	9
Cancer	12

Education & Training

Dr. Michael J. Nunez, MD graduated from Duke University School of Medicine in 1991. He completed residency at University of Texas Southwestern Medical Center at Dallas and Affiliated Hospitals. He is certified by the Board Certification: I am board certified in Gastroenterology and has a state license in Texas.

Medical School: Duke University School of Medicine (1991)

Residency: University of Texas Southwestern Medical Center at Dallas and Affiliated Hospitals

Board Certification: Board Certification: I am board certified in Gastroenterology

Licensed In: Texas

Affiliations & Hospitals

Dr. Michael J. Nunez, MD is associated with these hospitals and organizations:

Texas Health Resources

Texas Digestive Disease Consultants

Ratings & Reviews

Dr. Michael J. Nunez, MD has an exceptional overall rating with an average of 4.9 out of 5 stars based on 284 ratings. We collect ratings and reviews of Dr. Michael J. Nunez, MD from all over the web to help you find the right in Dallas, TX.

4.9

Overall Rating

(284 Ratings)

Leave a Review

Reviews Left On DocSpot

Overall Rating: 5.0 2023-07-10

I had complete confidence in Dr. Nunez from the very beginning.  He was strongly recommended by my primary care physician.  He is very thorough and takes the time to make sure that nothing is missed.  Great attention to detail.  Also very personable and made me feel like we were close friends.

General Payments

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

**Payments by Company**
AbbVie Inc.	$578 Rinvoq $190	Skyrizi $151	Humira $144	LINZESS $60	Creon $34
Takeda Pharmaceuticals U.S.A., Inc.	$566 ENTYVIO $526	GATTEX $40
AbbVie, Inc.	$546 Humira $374	Mavyret $70	Creon $70	Duopa $22	Lupron $9
Pfizer Inc.	$363 XELJANZ $166	PAXLOVID $82	INFLECTRA $67	VELSIPITY $48
Merck Sharp & Dohme LLC	$165 ZINPLAVA $113	DIFICID $51
Other	$1,431 Cimzia $170	OTHER- BSC PRODUCT NOT LISTED $119	LINZESS $117	XIFAXAN $103	COLOGUARD $95	Other $827

**Types of Payments**
Food and Beverage	$3,650

Ownership and Interest Payments

This table describes ownership payments received by Dr. Michael J. Nunez, MD.

GastroGPO, LLC	2022	$1,621.54	Physician Covered Recipient	Common Stock
GastroGPO, LLC	2021	$1,560.22	Physician Covered Recipient	Common Stock

Biography

Dr. Michael Nunez is an adult gastroenterology specialist in Dallas, TX. Before performing his residency at Duke University Medical Center and a hospital affiliated with the University of Texas Southwestern Medical Center at Dallas, Dr. Nunez attended Duke University School of Medicine. He is rated 5.0 stars (out of 5) by his patients. Dr. Nunez has received professional recognition including the following: Texas Super Doctors. Dr. Nunez is affiliated with Texas Health Dallas and Texas Digestive Disease Consultants.