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Dr. Mark S. Wallis, MD

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Specializes in: MOHS-Micrographic Surgery, Dermatopathology, Dermatological Immunology and Pediatric Dermatology

University of Texas Health Science Center at San Antonio, School of Medicine (1988)

3535 N Fourth Street Suite 400
Longview, TX 75605

(903) 757-3881

Dr. Mark S. Wallis, MD is a mohs skin cancer surgeon in Longview, TX specializing in mohs-micrographic surgery, dermatopathology, dermatological immunology and pediatric dermatology. He graduated from University of Texas Health Science Center at San Antonio, School of Medicine in 1988 and has 38 years of experience. Dr. Mark S. Wallis, MD is affiliated with Wallis Dermatology Associates, PLLC and WALLIS DERMATOLOGY ASSOCIATES PLLC.

Office Locations

3535 N Fourth Street Suite 400
Longview, TX 75605

(903) 757-3881

(903) 757-5948

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Noteworthy Medicare Patient Procedures Performed by Dr. Mark S. Wallis, MD in 2023

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

Top 5%

By Volume:

adjacent tissue transfer

Mohs surgery

In 2023, Dr. Mark S. Wallis, MD performed more adjacent tissue transfer, and Mohs surgery procedures for Medicare patients than 95% of providers in related specialties within Texas.

Top 25%

By Volume:

removal of skin lesion

In 2012, Dr. Mark S. Wallis, MD performed more removal of skin lesion (growth or mark) procedures for Medicare patients than 75% of providers in related specialties within Texas.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Mark S. Wallis, MD treated as a mohs skin cancer surgeon in Longview, TX during 2012 were skin procedures, removal of lesion (e.g. growth), allergy testing and skin testing.

Volume of procedures performed by Dr. Mark S. Wallis, MD for Medicare patients.

allergy testing	1249
cancer surgery	622
diagnostic procedures	600
doctor visit	2482
ear procedures	49
eye procedures	18
injections	35
lab tests	11
phototherapy (light therapy)	281
plastic surgery procedures	38
reconstructive surgery	38
removal of lesion (e.g. growth)	2142
skin procedures	2423
skin surgery	622
skin testing	1249
tissue transfer	38
wound repair (e.g. stitches)	38

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mark S. Wallis, MD treated as a mohs skin cancer surgeon in Longview, TX during 2013 were skin procedures, removal of lesion (e.g. growth), allergy testing and skin testing.

Volume of procedures performed by Dr. Mark S. Wallis, MD for Medicare patients.

allergy testing	1420
cancer surgery	591
diagnostic procedures	464
doctor visit	1949
ear procedures	45
injections	20
phototherapy (light therapy)	309
plastic surgery procedures	36
reconstructive surgery	36
removal of lesion (e.g. growth)	1909
skin procedures	2218
skin surgery	591
skin testing	1420
tissue transfer	36
wound repair (e.g. stitches)	36

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Wallis, MD.

**Gender**
Male	1217
Female	1065

**Ethnicity**
Non-Hispanic White	2226
Black	32
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	948
From 75 to 84	869
85 and over	355
Less than 65	110

Conditions of Medicare patients treated by Dr. Mark S. Wallis, MD in 2013

Hypertension	67
High Cholesterol	55
Stroke	4
Ischemic Heart Disease	34
Depression	15
Chronic Kidney Disease	16
Asthma	5
Osteoperosis	6
Atrial Fibrilation	13
Heart Failure	16
Chronic Obstructive Pulmonary Disease	15
Diabetes	26
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mark S. Wallis, MD treated as a mohs skin cancer surgeon in Longview, TX during 2014 were allergy testing, skin testing, skin procedures and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Mark S. Wallis, MD for Medicare patients.

allergy testing	2413
cancer surgery	656
diagnostic procedures	274
doctor visit	1042
ear procedures	41
lab tests	31
phototherapy (light therapy)	582
plastic surgery procedures	48
reconstructive surgery	48
removal of lesion (e.g. growth)	1462
skin procedures	1781
skin surgery	656
skin testing	2413
tissue transfer	48
wound repair (e.g. stitches)	48

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Wallis, MD.

**Gender**
Male	947
Female	780

**Ethnicity**
Non-Hispanic White	1671
Black	30
Hispanic	0
Asian	0
Other	12
Native American	0

**Age**
From 65 to 74	714
From 75 to 84	621
85 and over	314
Less than 65	78

Conditions of Medicare patients treated by Dr. Mark S. Wallis, MD in 2014

Hypertension	67
High Cholesterol	56
Stroke	5
Ischemic Heart Disease	35
Depression	14
Chronic Kidney Disease	17
Asthma	4
Osteoperosis	6
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	16
Diabetes	28
Dementia	11
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mark S. Wallis, MD treated as a mohs skin cancer surgeon in Longview, TX during 2015 were allergy testing, skin testing, skin procedures and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Mark S. Wallis, MD for Medicare patients.

allergy testing	1703
cancer surgery	484
diagnostic procedures	314
doctor visit	1291
ear procedures	25
injections	14
phototherapy (light therapy)	573
plastic surgery procedures	54
reconstructive surgery	54
removal of lesion (e.g. growth)	1398
skin procedures	1606
skin surgery	484
skin testing	1703
tissue transfer	54
wound repair (e.g. stitches)	54

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Wallis, MD.

**Gender**
Male	1324
Female	1142

**Ethnicity**
Non-Hispanic White	2388
Black	42
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	998
From 75 to 84	924
85 and over	456
Less than 65	88

Conditions of Medicare patients treated by Dr. Mark S. Wallis, MD in 2015

Hypertension	68
High Cholesterol	57
Stroke	5
Ischemic Heart Disease	35
Depression	13
Chronic Kidney Disease	18
Asthma	9
Osteoperosis	6
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	14
Diabetes	29
Dementia	9
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mark S. Wallis, MD treated as a mohs skin cancer surgeon in Longview, TX during 2016 were allergy testing, skin testing, skin procedures and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Mark S. Wallis, MD for Medicare patients.

allergy testing	1776
cancer surgery	407
diagnostic procedures	334
doctor visit	1338
ear procedures	27
laser treatment	167
phototherapy (light therapy)	329
plastic surgery procedures	44
reconstructive surgery	44
removal of lesion (e.g. growth)	1315
skin procedures	1644
skin surgery	407
skin testing	1776
tissue transfer	44
wound repair (e.g. stitches)	44

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Wallis, MD.

**Gender**
Male	680
Female	578

**Ethnicity**
Non-Hispanic White	1218
Black	14
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	537
From 75 to 84	463
85 and over	211
Less than 65	47

Conditions of Medicare patients treated by Dr. Mark S. Wallis, MD in 2016

Hypertension	67
High Cholesterol	55
Stroke	4
Ischemic Heart Disease	32
Depression	13
Chronic Kidney Disease	20
Asthma	15
Osteoperosis	6
Atrial Fibrilation	12
Heart Failure	14
Chronic Obstructive Pulmonary Disease	15
Diabetes	29
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mark S. Wallis, MD treated as a mohs skin cancer surgeon in Longview, TX during 2017 were allergy testing, skin testing, skin procedures and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Mark S. Wallis, MD for Medicare patients.

allergy testing	1850
cancer surgery	576
diagnostic procedures	285
doctor visit	1402
ear procedures	14
laser treatment	180
phototherapy (light therapy)	309
plastic surgery procedures	60
reconstructive surgery	60
removal of lesion (e.g. growth)	1539
skin procedures	1848
skin surgery	576
skin testing	1850
tissue transfer	60
wound repair (e.g. stitches)	60

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Wallis, MD.

**Gender**
Male	919
Female	756

**Ethnicity**
Non-Hispanic White	1617
Black	30
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	709
From 75 to 84	632
85 and over	269
Less than 65	65

Conditions of Medicare patients treated by Dr. Mark S. Wallis, MD in 2017

Hypertension	69
High Cholesterol	44
Stroke	5
Ischemic Heart Disease	32
Depression	16
Chronic Kidney Disease	24
Asthma	5
Osteoperosis	6
Atrial Fibrilation	12
Heart Failure	14
Chronic Obstructive Pulmonary Disease	14
Diabetes	28
Dementia	11
Cancer	10

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mark S. Wallis, MD treated as a mohs skin cancer surgeon in Longview, TX during 2018 were allergy testing, skin testing, skin procedures and removal of lesion (e.g. growth).

Volume of procedures performed by Dr. Mark S. Wallis, MD for Medicare patients.

allergy testing	1184
cancer surgery	621
diagnostic procedures	141
doctor visit	596
minor procedures	11
phototherapy (light therapy)	48
plastic surgery procedures	39
reconstructive surgery	39
removal of lesion (e.g. growth)	1067
skin procedures	1115
skin surgery	621
skin testing	1184
tissue transfer	39
wound repair (e.g. stitches)	50

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Wallis, MD.

**Gender**
Male	992
Female	761

**Ethnicity**
Non-Hispanic White	1704
Black	19
Hispanic	0
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	725
From 75 to 84	677
85 and over	284
Less than 65	67

Conditions of Medicare patients treated by Dr. Mark S. Wallis, MD in 2018

Hypertension	71
High Cholesterol	59
Stroke	4
Ischemic Heart Disease	35
Depression	18
Chronic Kidney Disease	25
Asthma	5
Osteoperosis	6
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	15
Diabetes	28
Dementia	10
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mark S. Wallis, MD treated as a mohs skin cancer surgeon in Longview, TX during 2019 were skin testing, allergy testing, removal of lesion (e.g. growth) and skin procedures.

Volume of procedures performed by Dr. Mark S. Wallis, MD for Medicare patients.

allergy testing	1480
cancer surgery	550
diagnostic procedures	23
doctor visit	493
ear procedures	23
plastic surgery procedures	44
reconstructive surgery	44
removal of lesion (e.g. growth)	877
skin procedures	877
skin surgery	550
skin testing	1480
tissue transfer	44
wound repair (e.g. stitches)	44

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Wallis, MD.

**Gender**
Male	860
Female	645

**Ethnicity**
Non-Hispanic White	1447
Black	24
Hispanic	0
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	604
From 75 to 84	581
85 and over	273
Less than 65	47

Conditions of Medicare patients treated by Dr. Mark S. Wallis, MD in 2019

Hypertension	72
High Cholesterol	63
Stroke	5
Ischemic Heart Disease	37
Depression	16
Chronic Kidney Disease	23
Asthma	5
Osteoperosis	6
Atrial Fibrilation	12
Heart Failure	18
Chronic Obstructive Pulmonary Disease	15
Diabetes	28
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mark S. Wallis, MD treated as a mohs skin cancer surgeon in Longview, TX during 2020 were removal of lesion (e.g. growth), skin procedures, skin surgery and cancer surgery.

Volume of procedures performed by Dr. Mark S. Wallis, MD for Medicare patients.

cancer surgery	572
diagnostic procedures	18
doctor visit	547
ear procedures	18
plastic surgery procedures	45
reconstructive surgery	45
removal of lesion (e.g. growth)	910
skin procedures	910
skin surgery	572
tissue transfer	45
wound repair (e.g. stitches)	45

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Wallis, MD.

**Gender**
Male	851
Female	627

**Ethnicity**
Non-Hispanic White	1430
Black	18
Hispanic	0
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	646
From 75 to 84	525
85 and over	266
Less than 65	41

Conditions of Medicare patients treated by Dr. Mark S. Wallis, MD in 2020

Hypertension	70
High Cholesterol	61
Stroke	4
Ischemic Heart Disease	34
Depression	16
Chronic Kidney Disease	23
Asthma	5
Osteoperosis	5
Atrial Fibrilation	13
Heart Failure	15
Chronic Obstructive Pulmonary Disease	13
Diabetes	28
Dementia	10
Cancer	13

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mark S. Wallis, MD treated as a mohs skin cancer surgeon in Longview, TX during 2021 were removal of lesion (e.g. growth), skin procedures, skin surgery and cancer surgery.

Volume of procedures performed by Dr. Mark S. Wallis, MD for Medicare patients.

cancer surgery	498
doctor visit	606
plastic surgery procedures	26
reconstructive surgery	26
removal of lesion (e.g. growth)	862
skin procedures	862
skin surgery	498
tissue transfer	26
wound repair (e.g. stitches)	26

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Wallis, MD.

**Gender**
Male	829
Female	629

**Ethnicity**
Non-Hispanic White	1409
Black	13
Hispanic	0
Asian	0
Other	25
Native American	0

**Age**
From 65 to 74	664
From 75 to 84	525
85 and over	237
Less than 65	32

Conditions of Medicare patients treated by Dr. Mark S. Wallis, MD in 2021

Hypertension	72
High Cholesterol	62
Stroke	4
Ischemic Heart Disease	34
Depression	18
Chronic Kidney Disease	24
Asthma	6
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	16
Chronic Obstructive Pulmonary Disease	13
Diabetes	26
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mark S. Wallis, MD treated as a mohs skin cancer surgeon in Longview, TX during 2022 were skin testing, allergy testing, removal of lesion (e.g. growth) and skin procedures.

Volume of procedures performed by Dr. Mark S. Wallis, MD for Medicare patients.

allergy testing	888
cancer surgery	474
doctor visit	527
injections	12
plastic surgery procedures	26
reconstructive surgery	26
removal of lesion (e.g. growth)	810
skin procedures	810
skin surgery	474
skin testing	888
tissue transfer	26
wound repair (e.g. stitches)	26

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mark S. Wallis, MD.

**Gender**
Male	836
Female	635

**Ethnicity**
Non-Hispanic White	1424
Black	13
Hispanic	0
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	637
From 75 to 84	569
85 and over	229
Less than 65	36

Conditions of Medicare patients treated by Dr. Mark S. Wallis, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	28
Depression	17
Chronic Kidney Disease	19
Asthma	9
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	13
Chronic Obstructive Pulmonary Disease	17
Diabetes	26
Dementia	6
Cancer	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Mark S. Wallis, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mark S. Wallis, MD treated as a mohs skin cancer surgeon in Longview, TX were allergy testing, skin testing, skin procedures and removal of lesion (e.g. growth).

allergy testing	1551
cancer surgery	550
diagnostic procedures	272
doctor visit	1115
ear procedures	30
eye procedures	18
injections	20
lab tests	21
laser treatment	173
minor procedures	11
phototherapy (light therapy)	347
plastic surgery procedures	41
reconstructive surgery	41
removal of lesion (e.g. growth)	1299
skin procedures	1463
skin surgery	550
skin testing	1551
tissue transfer	41
wound repair (e.g. stitches)	42

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Mark S. Wallis, MD.

**Gender**
Male	859
Female	692

**Ethnicity**
Black / African American	21
Asian / Pacific Islander	0
Non-Hispanic White	1503
Native American / Alaskan Native	0
Hispanic	0
Other	11

**Age**
75 to 84	580
85 and over	263
Less than 65	55
65 to 74	652

Average of Total of Conditions of Medicare patients treated by Dr. Mark S. Wallis, MD From 2012 - 2022

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

Hypertension	63
High Cholesterol	53
Stroke	4
Ischemic Heart Disease	30
Depression	14
Chronic Kidney Disease	19
Asthma	6
Osteoporosis	6
Heart Failure	14
Chronic Obstructive Pulmonary Disease	13
Diabetes	25
Atrial Fibrillation	12
Dementia	8
Cancer	10

Education & Training

Dr. Mark S. Wallis, MD graduated from University of Texas Health Science Center at San Antonio, School of Medicine in 1988. He has a state license in Texas.

Medical School: University of Texas Health Science Center at San Antonio, School of Medicine (1988)

Licensed In: Texas

Affiliations & Hospitals

Dr. Mark S. Wallis, MD is associated with these hospitals and organizations:

Wallis Dermatology Associates, PLLC

WALLIS DERMATOLOGY ASSOCIATES PLLC

Ratings & Reviews

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General Payments

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

**Payments by Company**
AbbVie Inc.	$1,271 Skyrizi $527	Humira $367	Rinvoq $340	$37
AbbVie, Inc.	$1,108 Humira $938	Skyrizi $154	$17
Janssen Biotech, Inc.	$953 Tremfya $511	STELARA $407	REMICADE $20	SIMPONI $16
Lilly USA, LLC	$924 TALTZ $884	$40
Novartis Pharmaceuticals Corporation	$628 COSENTYX $449	$179
Other	$4,164 DUPIXENT $508	Otezla $363	ILUMYA $305	Winlevi $166	EUCRISA $129	Other $2,694

**Types of Payments**
Food and Beverage	$8,728
Education	$320

Research Payments

Dr. Mark S. Wallis, MD has received 11 research payments totaling $38,940.

Biography

Dr. Mark Wallis specializes in dermatological immunology, pediatric dermatology, and dermatopathology. Dr. Wallis is a graduate of the University of Texas Health Science Center at San Antonio, School of Medicine. He has received the distinction of Texas Super Doctors.

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Dr. Mark S. Wallis, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Mark S. Wallis, 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. Mark S. Wallis, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark S. Wallis, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark S. Wallis, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark S. Wallis, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark S. Wallis, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark S. Wallis, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark S. Wallis, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark S. Wallis, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark S. Wallis, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Mark S. Wallis, 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. Mark S. Wallis, MD From 2012 - 2022

Education & Training

Affiliations & Hospitals

Ratings & Reviews

General Payments

Research Payments

Biography

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