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Dr. Thomas Michael Hillis, MD

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Specializes in: General Surgery

University of Arkansas for Medical Sciences College of Medicine

6412 Windy Hill Drive
Texarkana, AR 71854

(870) 330-4577

Dr. Thomas Michael Hillis, MD is a general surgeon in Texarkana, AR specializing in general surgery. He graduated from University of Arkansas for Medical Sciences College of Medicine. Dr. Thomas Michael Hillis, MD is affiliated with CHRISTUS Health.

Office Locations

6412 Windy Hill Drive
Texarkana, AR 71854

(870) 330-4577

(903) 614-3525

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6412 Windy Hill Drive
Texarkana, TX 75503

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Noteworthy Medicare Patient Procedures Performed by Dr. Thomas Michael Hillis, MD in 2023

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

Top 5%

By Volume:

carotid duplex ultrasound

lower extremity venous duplex

vascular procedures

vascular ultrasound

By Affordability:

arterial duplex ultrasound

arterial ultrasound

carotid duplex ultrasound

carotid ultrasound

duplex ultrasound

lower extremity arterial duplex

lower extremity arterial ultrasound

lower extremity venous ultrasound

lower extremity venous duplex

vascular studies

vascular ultrasound

venous duplex ultrasound

venous ultrasound

In 2023, among providers in related specialties within Arkansas, Dr. Thomas Michael Hillis, MD performed more carotid duplex ultrasound, lower extremity venous duplex, vascular procedures, and vascular ultrasound procedures for Medicare patients than 95% of them and he also had a list price for arterial duplex ultrasound, arterial ultrasound, carotid duplex ultrasound, carotid ultrasound, duplex ultrasound, lower extremity arterial duplex, lower extremity (leg) arterial ultrasound, lower extremity (leg) venous ultrasound, lower extremity venous duplex, vascular studies, vascular ultrasound, venous duplex ultrasound, and venous ultrasound 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 25%

By Volume:

lower extremity arterial duplex

In 2012, Dr. Thomas Michael Hillis, MD performed more lower extremity arterial duplex procedures for Medicare patients than 75% of providers in related specialties within Arkansas.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Thomas Michael Hillis, MD treated as a general surgeon in Texarkana, AR during 2012 were vascular procedures, ultrasound (sonogram), lab tests and inpatient care.

Volume of procedures performed by Dr. Thomas Michael Hillis, MD for Medicare patients.

abdominal surgery	27
abscess drainage	15
blood draw	119
breast procedures	16
cancer surgery	16
catheterization	33
device removal	11
doctor visit	601
excision	16
gastrointestinal procedures	27
hospital care	231
incision and drainage	15
inpatient care	231
lab tests	286
minor procedures	15
open surgery	27
skin surgery	15
ultrasound (sonogram)	1983
vascular procedures	2108

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Thomas Michael Hillis, MD treated as a general surgeon in Texarkana, AR during 2013 were vascular procedures, ultrasound (sonogram), lab tests and blood draw.

Volume of procedures performed by Dr. Thomas Michael Hillis, MD for Medicare patients.

abdominal surgery	15
blood draw	130
breast procedures	11
cancer surgery	11
catheterization	31
doctor visit	535
excision	11
gastrointestinal procedures	15
hospital care	108
inpatient care	108
lab tests	266
open surgery	15
ultrasound (sonogram)	2084
vascular procedures	2234

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Michael Hillis, MD.

**Gender**
Male	965
Female	1517

**Ethnicity**
Non-Hispanic White	1998
Black	443
Hispanic	18
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	900
From 75 to 84	814
85 and over	418
Less than 65	350

Conditions of Medicare patients treated by Dr. Thomas Michael Hillis, MD in 2013

Hypertension	75
High Cholesterol	57
Stroke	20
Ischemic Heart Disease	54
Depression	26
Chronic Kidney Disease	32
Asthma	9
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	37
Chronic Obstructive Pulmonary Disease	29
Diabetes	40
Dementia	19
Cancer	13

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Thomas Michael Hillis, MD treated as a general surgeon in Texarkana, AR during 2014 were vascular procedures, ultrasound (sonogram), lab tests and blood draw.

Volume of procedures performed by Dr. Thomas Michael Hillis, MD for Medicare patients.

abdominal surgery	24
blood draw	119
catheterization	29
doctor visit	507
gastrointestinal procedures	24
hospital care	86
inpatient care	86
lab tests	250
open surgery	24
ultrasound (sonogram)	1713
vascular procedures	1831

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Michael Hillis, MD.

**Gender**
Male	827
Female	1268

**Ethnicity**
Non-Hispanic White	1662
Black	383
Hispanic	20
Asian	0
Other	0
Native American	16

**Age**
From 65 to 74	781
From 75 to 84	678
85 and over	344
Less than 65	292

Conditions of Medicare patients treated by Dr. Thomas Michael Hillis, MD in 2014

Hypertension	75
High Cholesterol	62
Stroke	20
Ischemic Heart Disease	55
Depression	27
Chronic Kidney Disease	36
Asthma	10
Osteoperosis	11
Atrial Fibrilation	15
Heart Failure	42
Chronic Obstructive Pulmonary Disease	32
Diabetes	41
Dementia	21
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Thomas Michael Hillis, MD treated as a general surgeon in Texarkana, AR during 2015 were vascular procedures, ultrasound (sonogram), lab tests and blood draw.

Volume of procedures performed by Dr. Thomas Michael Hillis, MD for Medicare patients.

abdominal surgery	14
blood draw	95
catheterization	47
doctor visit	449
gastrointestinal procedures	14
hospital care	17
inpatient care	17
lab tests	184
open surgery	14
ultrasound (sonogram)	1955
vascular procedures	2086

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Michael Hillis, MD.

**Gender**
Male	1856
Female	2640

**Ethnicity**
Non-Hispanic White	3628
Black	792
Hispanic	32
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	1742
From 75 to 84	1508
85 and over	588
Less than 65	658

Conditions of Medicare patients treated by Dr. Thomas Michael Hillis, MD in 2015

Hypertension	75
High Cholesterol	61
Stroke	23
Ischemic Heart Disease	54
Depression	27
Chronic Kidney Disease	36
Asthma	19
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	38
Chronic Obstructive Pulmonary Disease	30
Diabetes	40
Dementia	20
Cancer	14

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Thomas Michael Hillis, MD treated as a general surgeon in Texarkana, AR during 2016 were vascular procedures, ultrasound (sonogram), lab tests and X-rays.

Volume of procedures performed by Dr. Thomas Michael Hillis, MD for Medicare patients.

abdominal surgery	19
blood draw	81
breast procedures	60
catheterization	32
doctor visit	405
gastrointestinal procedures	19
lab tests	190
open surgery	19
preventive care	60
thoracic (chest) imaging	79
ultrasound (sonogram)	2184
vascular procedures	2327
women's imaging	60
X-rays	139

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Michael Hillis, MD.

**Gender**
Male	1044
Female	1413

**Ethnicity**
Non-Hispanic White	1940
Black	442
Hispanic	34
Asian	0
Other	21
Native American	0

**Age**
From 65 to 74	962
From 75 to 84	787
85 and over	342
Less than 65	366

Conditions of Medicare patients treated by Dr. Thomas Michael Hillis, MD in 2016

Hypertension	75
High Cholesterol	62
Stroke	20
Ischemic Heart Disease	54
Depression	28
Chronic Kidney Disease	41
Asthma	32
Osteoperosis	10
Atrial Fibrilation	16
Heart Failure	40
Chronic Obstructive Pulmonary Disease	30
Diabetes	40
Dementia	21
Cancer	13

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Thomas Michael Hillis, MD treated as a general surgeon in Texarkana, AR during 2017 were vascular procedures, ultrasound (sonogram), lab tests and X-rays.

Volume of procedures performed by Dr. Thomas Michael Hillis, MD for Medicare patients.

abdominal surgery	15
blood draw	110
catheterization	19
doctor visit	379
gastrointestinal procedures	15
hospital care	47
inpatient care	47
lab tests	246
open surgery	15
thoracic (chest) imaging	110
ultrasound (sonogram)	2048
vascular procedures	2153
X-rays	110

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Michael Hillis, MD.

**Gender**
Male	993
Female	1353

**Ethnicity**
Non-Hispanic White	1871
Black	425
Hispanic	21
Asian	0
Other	0
Native American	13

**Age**
From 65 to 74	842
From 75 to 84	779
85 and over	365
Less than 65	360

Conditions of Medicare patients treated by Dr. Thomas Michael Hillis, MD in 2017

Hypertension	75
High Cholesterol	59
Stroke	21
Ischemic Heart Disease	54
Depression	28
Chronic Kidney Disease	45
Asthma	8
Osteoperosis	12
Atrial Fibrilation	18
Heart Failure	37
Chronic Obstructive Pulmonary Disease	29
Diabetes	41
Dementia	21
Cancer	16

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Thomas Michael Hillis, MD treated as a general surgeon in Texarkana, AR during 2018 were vascular procedures, ultrasound (sonogram), lab tests and blood draw.

Volume of procedures performed by Dr. Thomas Michael Hillis, MD for Medicare patients.

blood draw	81
catheterization	11
doctor visit	303
lab tests	156
ultrasound (sonogram)	1903
vascular procedures	2073

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Michael Hillis, MD.

**Gender**
Male	959
Female	1162

**Ethnicity**
Non-Hispanic White	1690
Black	380
Hispanic	22
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	760
From 75 to 84	704
85 and over	346
Less than 65	311

Conditions of Medicare patients treated by Dr. Thomas Michael Hillis, MD in 2018

Hypertension	75
High Cholesterol	65
Stroke	21
Ischemic Heart Disease	55
Depression	26
Chronic Kidney Disease	48
Asthma	8
Osteoperosis	11
Atrial Fibrilation	18
Heart Failure	40
Chronic Obstructive Pulmonary Disease	31
Diabetes	43
Dementia	20
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Thomas Michael Hillis, MD treated as a general surgeon in Texarkana, AR during 2019 were ultrasound (sonogram) and vascular procedures.

Volume of procedures performed by Dr. Thomas Michael Hillis, MD for Medicare patients.

ultrasound (sonogram)	1711
vascular procedures	1711

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Michael Hillis, MD.

**Gender**
Male	617
Female	813

**Ethnicity**
Non-Hispanic White	1108
Black	288
Hispanic	14
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	500
From 75 to 84	499
85 and over	218
Less than 65	213

Conditions of Medicare patients treated by Dr. Thomas Michael Hillis, MD in 2019

Hypertension	75
High Cholesterol	63
Stroke	25
Ischemic Heart Disease	58
Depression	32
Chronic Kidney Disease	48
Asthma	8
Osteoperosis	10
Atrial Fibrilation	21
Heart Failure	42
Chronic Obstructive Pulmonary Disease	34
Diabetes	44
Dementia	21
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Thomas Michael Hillis, MD treated as a general surgeon in Texarkana, AR during 2020 were ultrasound (sonogram) and vascular procedures.

Volume of procedures performed by Dr. Thomas Michael Hillis, MD for Medicare patients.

ultrasound (sonogram)	1276
vascular procedures	1276

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Michael Hillis, MD.

**Gender**
Male	466
Female	633

**Ethnicity**
Non-Hispanic White	849
Black	222
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	397
From 75 to 84	382
85 and over	160
Less than 65	160

Conditions of Medicare patients treated by Dr. Thomas Michael Hillis, MD in 2020

Hypertension	75
High Cholesterol	65
Stroke	26
Ischemic Heart Disease	56
Depression	32
Chronic Kidney Disease	50
Asthma	10
Osteoperosis	10
Atrial Fibrilation	20
Heart Failure	44
Chronic Obstructive Pulmonary Disease	33
Diabetes	44
Dementia	21
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Thomas Michael Hillis, MD treated as a general surgeon in Texarkana, AR during 2021 were ultrasound (sonogram) and vascular procedures.

Volume of procedures performed by Dr. Thomas Michael Hillis, MD for Medicare patients.

ultrasound (sonogram)	1247
vascular procedures	1247

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Michael Hillis, MD.

**Gender**
Male	487
Female	564

**Ethnicity**
Non-Hispanic White	840
Black	176
Hispanic	20
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	394
From 75 to 84	373
85 and over	144
Less than 65	140

Conditions of Medicare patients treated by Dr. Thomas Michael Hillis, MD in 2021

Hypertension	75
High Cholesterol	65
Stroke	25
Ischemic Heart Disease	56
Depression	29
Chronic Kidney Disease	47
Asthma	9
Osteoperosis	9
Atrial Fibrilation	18
Heart Failure	41
Chronic Obstructive Pulmonary Disease	30
Diabetes	45
Dementia	19
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Thomas Michael Hillis, MD treated as a general surgeon in Texarkana, AR during 2022 were ultrasound (sonogram) and vascular procedures.

Volume of procedures performed by Dr. Thomas Michael Hillis, MD for Medicare patients.

ultrasound (sonogram)	1213
vascular procedures	1213

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Michael Hillis, MD.

**Gender**
Male	445
Female	573

**Ethnicity**
Non-Hispanic White	834
Black	159
Hispanic	12
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	348
From 75 to 84	397
85 and over	162
Less than 65	111

Conditions of Medicare patients treated by Dr. Thomas Michael Hillis, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	33
Ischemic Heart Disease	48
Depression	32
Chronic Kidney Disease	33
Asthma	11
Osteoperosis	12
Atrial Fibrilation	30
Heart Failure	38
Chronic Obstructive Pulmonary Disease	35
Diabetes	44
Dementia	16
Cancer	15

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Thomas Michael Hillis, MD treated as a general surgeon in Texarkana, AR during 2023 were ultrasound (sonogram) and vascular procedures.

Volume of procedures performed by Dr. Thomas Michael Hillis, MD for Medicare patients.

ultrasound (sonogram)	1152
vascular procedures	1152

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Thomas Michael Hillis, MD.

**Gender**
Male	436
Female	558

**Ethnicity**
Non-Hispanic White	830
Black	131
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	332
From 75 to 84	389
85 and over	160
Less than 65	113

Conditions of Medicare patients treated by Dr. Thomas Michael Hillis, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	29
Ischemic Heart Disease	45
Depression	32
Chronic Kidney Disease	33
Asthma	10
Osteoperosis	13
Atrial Fibrilation	30
Heart Failure	39
Chronic Obstructive Pulmonary Disease	31
Diabetes	41
Dementia	15
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Thomas Michael Hillis, MD for Medicare patients.

The highest averages for the top procedures that Dr. Thomas Michael Hillis, MD treated as a general surgeon in Texarkana, AR were vascular procedures, ultrasound (sonogram), lab tests and X-rays.

abdominal surgery	19
abscess drainage	15
blood draw	105
breast procedures	29
cancer surgery	13
catheterization	28
device removal	11
doctor visit	454
excision	13
gastrointestinal procedures	19
hospital care	97
incision and drainage	15
inpatient care	97
lab tests	225
minor procedures	15
open surgery	19
preventive care	60
skin surgery	15
thoracic (chest) imaging	94
ultrasound (sonogram)	1705
vascular procedures	1784
women's imaging	60
X-rays	124

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Thomas Michael Hillis, MD.

**Gender**
Female	1041
Male	757

**Ethnicity**
Black / African American	320
Asian / Pacific Islander	0
Non-Hispanic White	1437
Native American / Alaskan Native	2
Hispanic	17
Other	4

**Age**
75 to 84	609
85 and over	270
Less than 65	256
65 to 74	663

Average of Total of Conditions of Medicare patients treated by Dr. Thomas Michael Hillis, MD From 2012 - 2023

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

Hypertension	68
High Cholesterol	59
Stroke	21
Ischemic Heart Disease	49
Depression	26
Chronic Kidney Disease	37
Asthma	11
Osteoporosis	9
Heart Failure	36
Chronic Obstructive Pulmonary Disease	28
Diabetes	38
Atrial Fibrillation	18
Dementia	17
Cancer	12

Education & Training

Dr. Thomas Michael Hillis, MD graduated from University of Arkansas for Medical Sciences College of Medicine. He completed residency at University of Arkansas for Medical Sciences Affiliated Hospitals. He has a state license in Texas.

Medical School: University of Arkansas for Medical Sciences College of Medicine

Residency: University of Arkansas for Medical Sciences Affiliated Hospitals

Licensed In: Texas

Affiliations & Hospitals

Dr. Thomas Michael Hillis, MD is associated with these hospitals and organizations:

CHRISTUS Health

Ratings & Reviews

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General Payments

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

**Payments by Company**
Boston Scientific Corporation	$107 LITHOVUE $107
The Medicines Company	$54 ORBACTIV $54
Cook Incorporated	$49 Cook Medical Zenith $22	Cook Medical Zenapro $15	Cook Medical SIS $12
Davol Inc.	$32 SURGICAL $32
Cubist Pharmaceuticals Inc	$30 ENTEREG $18	CUBICIN $12
Other	$129 4-K $27	STRATTICE $21	Santyl $16	AAA Stent Grafts $15	Coronary Orbital Atherectomy System $14	Other $37

**Types of Payments**
Food and Beverage	$401

Biography

Dr. Thomas Hillis is a general surgery specialist. He is affiliated with CHRISTUS Health. Dr. Hillis attended the University of Arkansas for Medical Sciences College of Medicine for medical school and subsequently trained at a hospital affiliated with the University of Arkansas for Medical Sciences for residency.

Select Year:

Dr. Thomas Michael Hillis, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Thomas Michael Hillis, MD in 2023

By Volume:

By Affordability:

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. Thomas Michael Hillis, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Michael Hillis, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Michael Hillis, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Michael Hillis, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Michael Hillis, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Michael Hillis, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Michael Hillis, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Michael Hillis, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Michael Hillis, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Michael Hillis, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Thomas Michael Hillis, MD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Average Medicare Patient Data From 2012 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Thomas Michael Hillis, MD From 2012 - 2023

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Biography

Other Providers in Texarkana, AR