In 2012, Dr. Dennis L. Rousseau JR., MD, PHD had a list price for deep lymph node biopsy, lymph node biopsy, lymph node procedures, open lymph node biopsy, sentinel lymph node mapping, and surgical lymph node biopsy that was lower than the list prices billed to Medicare by 75% 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.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Dennis L. Rousseau JR., MD, PHD treated as a surgical oncologist in Schertz, TX during 2012 were catheterization and lymph node procedures.

Volume of procedures performed by Dr. Dennis L. Rousseau JR., MD, PHD for Medicare patients.

catheterization	14
doctor visit	83
lymph node procedures	11

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Dennis L. Rousseau JR., MD, PHD for Medicare patients.

doctor visit	82

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD.

**Gender**
Male	21
Female	45

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

**Age**
From 65 to 74	34
From 75 to 84	15
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD in 2013

Hypertension	75
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	44
Depression	29
Chronic Kidney Disease	32
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	23
Chronic Obstructive Pulmonary Disease	0
Diabetes	47
Dementia	0
Cancer	52

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Dennis L. Rousseau JR., MD, PHD treated as a surgical oncologist in Schertz, TX during 2014 were catheterization.

Volume of procedures performed by Dr. Dennis L. Rousseau JR., MD, PHD for Medicare patients.

catheterization	11
doctor visit	107

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD.

**Gender**
Male	35
Female	50

**Ethnicity**
Non-Hispanic White	54
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	42
From 75 to 84	23
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD in 2014

Hypertension	68
High Cholesterol	55
Stroke	0
Ischemic Heart Disease	31
Depression	24
Chronic Kidney Disease	28
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	20
Chronic Obstructive Pulmonary Disease	14
Diabetes	35
Dementia	0
Cancer	56

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Dennis L. Rousseau JR., MD, PHD treated as a surgical oncologist in Schertz, TX during 2015 were lymph node procedures.

Volume of procedures performed by Dr. Dennis L. Rousseau JR., MD, PHD for Medicare patients.

doctor visit	180
lymph node procedures	13

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD.

**Gender**
Male	110
Female	124

**Ethnicity**
Non-Hispanic White	174
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	124
From 75 to 84	80
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD in 2015

Hypertension	73
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	39
Depression	21
Chronic Kidney Disease	26
Asthma	15
Osteoperosis	0
Atrial Fibrilation	15
Heart Failure	15
Chronic Obstructive Pulmonary Disease	18
Diabetes	43
Dementia	13
Cancer	49

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Dennis L. Rousseau JR., MD, PHD treated as a surgical oncologist in Schertz, TX during 2016 were removal of lesion (e.g. growth), soft tissue surgery, excision and lymph node procedures.

Volume of procedures performed by Dr. Dennis L. Rousseau JR., MD, PHD for Medicare patients.

doctor visit	202
excision	16
lymph node procedures	11
removal of lesion (e.g. growth)	16
soft tissue surgery	16

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD.

**Gender**
Male	64
Female	68

**Ethnicity**
Non-Hispanic White	96
Black	0
Hispanic	18
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	68
From 75 to 84	45
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD in 2016

Hypertension	75
High Cholesterol	64
Stroke	0
Ischemic Heart Disease	43
Depression	20
Chronic Kidney Disease	39
Asthma	22
Osteoperosis	0
Atrial Fibrilation	12
Heart Failure	15
Chronic Obstructive Pulmonary Disease	16
Diabetes	44
Dementia	12
Cancer	40

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Dennis L. Rousseau JR., MD, PHD treated as a surgical oncologist in Schertz, TX during 2017 were lymph node procedures, excision, removal of lesion (e.g. growth) and soft tissue surgery.

Volume of procedures performed by Dr. Dennis L. Rousseau JR., MD, PHD for Medicare patients.

diagnostic procedures	12
doctor visit	207
excision	28
lymph node procedures	28
open surgery	12
plastic surgery procedures	11
reconstructive surgery	11
removal of lesion (e.g. growth)	16
soft tissue surgery	16
tissue transfer	11

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD.

**Gender**
Male	72
Female	58

**Ethnicity**
Non-Hispanic White	96
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	65
From 75 to 84	46
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD in 2017

Hypertension	75
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	39
Depression	22
Chronic Kidney Disease	48
Asthma	12
Osteoperosis	0
Atrial Fibrilation	9
Heart Failure	14
Chronic Obstructive Pulmonary Disease	13
Diabetes	44
Dementia	12
Cancer	36

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Dennis L. Rousseau JR., MD, PHD treated as a surgical oncologist in Schertz, TX during 2018 were lymph node procedures, excision, reconstructive surgery and plastic surgery procedures.

Volume of procedures performed by Dr. Dennis L. Rousseau JR., MD, PHD for Medicare patients.

diagnostic procedures	12
doctor visit	187
excision	25
lymph node procedures	25
open surgery	12
plastic surgery procedures	14
reconstructive surgery	14
removal of lesion (e.g. growth)	13
soft tissue surgery	13
tissue transfer	14

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD.

**Gender**
Male	69
Female	53

**Ethnicity**
Non-Hispanic White	86
Black	0
Hispanic	25
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	59
From 75 to 84	47
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD in 2018

Hypertension	75
High Cholesterol	63
Stroke	0
Ischemic Heart Disease	37
Depression	23
Chronic Kidney Disease	47
Asthma	0
Osteoperosis	0
Atrial Fibrilation	11
Heart Failure	18
Chronic Obstructive Pulmonary Disease	12
Diabetes	40
Dementia	16
Cancer	43

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. Dennis L. Rousseau JR., MD, PHD for Medicare patients.

doctor visit	176

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD.

**Gender**
Male	54
Female	62

**Ethnicity**
Non-Hispanic White	73
Black	0
Hispanic	32
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	50
From 75 to 84	41
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD in 2019

Hypertension	75
High Cholesterol	65
Stroke	0
Ischemic Heart Disease	37
Depression	29
Chronic Kidney Disease	43
Asthma	0
Osteoperosis	10
Atrial Fibrilation	14
Heart Failure	13
Chronic Obstructive Pulmonary Disease	14
Diabetes	36
Dementia	12
Cancer	34

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Dennis L. Rousseau JR., MD, PHD treated as a surgical oncologist in Schertz, TX during 2020 were lymph node procedures, removal of lesion (e.g. growth), soft tissue surgery and excision.

Volume of procedures performed by Dr. Dennis L. Rousseau JR., MD, PHD for Medicare patients.

doctor visit	172
excision	14
lymph node procedures	15
removal of lesion (e.g. growth)	14
soft tissue surgery	14

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD.

**Gender**
Male	51
Female	56

**Ethnicity**
Non-Hispanic White	80
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	51
From 75 to 84	40
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD in 2020

Hypertension	75
High Cholesterol	71
Stroke	0
Ischemic Heart Disease	36
Depression	14
Chronic Kidney Disease	50
Asthma	0
Osteoperosis	11
Atrial Fibrilation	0
Heart Failure	13
Chronic Obstructive Pulmonary Disease	15
Diabetes	36
Dementia	0
Cancer	47

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Dennis L. Rousseau JR., MD, PHD treated as a surgical oncologist in Schertz, TX during 2021 were excision, lymph node procedures, open surgery and diagnostic procedures.

Volume of procedures performed by Dr. Dennis L. Rousseau JR., MD, PHD for Medicare patients.

breast procedures	15
cancer surgery	15
diagnostic procedures	19
doctor visit	213
excision	49
lymph node procedures	40
open surgery	19
removal of lesion (e.g. growth)	15
soft tissue surgery	15

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD.

**Gender**
Male	68
Female	80

**Ethnicity**
Non-Hispanic White	109
Black	0
Hispanic	25
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	69
From 75 to 84	56
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD in 2021

Hypertension	75
High Cholesterol	68
Stroke	0
Ischemic Heart Disease	44
Depression	26
Chronic Kidney Disease	43
Asthma	0
Osteoperosis	9
Atrial Fibrilation	17
Heart Failure	20
Chronic Obstructive Pulmonary Disease	15
Diabetes	36
Dementia	14
Cancer	43

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Dennis L. Rousseau JR., MD, PHD treated as a surgical oncologist in Schertz, TX during 2022 were lymph node procedures, excision, removal of lesion (e.g. growth) and open surgery.

Volume of procedures performed by Dr. Dennis L. Rousseau JR., MD, PHD for Medicare patients.

diagnostic procedures	16
doctor visit	212
excision	32
lymph node procedures	35
open surgery	16
plastic surgery procedures	15
reconstructive surgery	15
removal of lesion (e.g. growth)	16
soft tissue surgery	16
tissue transfer	15
wound repair (e.g. stitches)	15

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD.

**Gender**
Male	69
Female	84

**Ethnicity**
Non-Hispanic White	109
Black	0
Hispanic	33
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	73
From 75 to 84	53
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD in 2022

Hypertension	75
High Cholesterol	75
Stroke	0
Ischemic Heart Disease	31
Depression	21
Chronic Kidney Disease	29
Asthma	12
Osteoperosis	14
Atrial Fibrilation	18
Heart Failure	13
Chronic Obstructive Pulmonary Disease	15
Diabetes	36
Dementia	0
Cancer	44

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Dennis L. Rousseau JR., MD, PHD treated as a surgical oncologist in Schertz, TX during 2023 were lymph node procedures, reconstructive surgery, plastic surgery procedures and wound repair (e.g. stitches).

Volume of procedures performed by Dr. Dennis L. Rousseau JR., MD, PHD for Medicare patients.

diagnostic procedures	14
doctor visit	203
excision	14
lymph node procedures	37
open surgery	14
plastic surgery procedures	19
reconstructive surgery	19
tissue transfer	19
wound repair (e.g. stitches)	19

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD.

**Gender**
Male	55
Female	88

**Ethnicity**
Non-Hispanic White	100
Black	0
Hispanic	30
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	74
From 75 to 84	49
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD in 2023

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	32
Depression	20
Chronic Kidney Disease	35
Asthma	10
Osteoperosis	15
Atrial Fibrilation	22
Heart Failure	11
Chronic Obstructive Pulmonary Disease	11
Diabetes	39
Dementia	0
Cancer	45

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Dennis L. Rousseau JR., MD, PHD for Medicare patients.

The highest averages for the top procedures that Dr. Dennis L. Rousseau JR., MD, PHD treated as a surgical oncologist in Schertz, TX were excision, lymph node procedures, wound repair (e.g. stitches) and soft tissue surgery.

breast procedures	15
cancer surgery	15
catheterization	12
diagnostic procedures	14
doctor visit	168
excision	25
lymph node procedures	23
open surgery	14
plastic surgery procedures	14
reconstructive surgery	14
removal of lesion (e.g. growth)	15
soft tissue surgery	15
tissue transfer	14
wound repair (e.g. stitches)	17

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD.

**Gender**
Male	55
Female	64

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	84
Hispanic	13
Native American / Alaskan Native	0
Other	0

**Age**
75 to 84	41
85 and over	0
Less than 65	0
65 to 74	59

Average of Total of Conditions of Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Dennis L. Rousseau JR., MD, PHD treated were hypertension, high cholesterol, cancer and diabetes.

Hypertension	68
High Cholesterol	59
Stroke	0
Ischemic Heart Disease	34
Depression	20
Chronic Kidney Disease	35
Asthma	5
Osteoporosis	4
Heart Failure	14
Chronic Obstructive Pulmonary Disease	11
Diabetes	36
Atrial Fibrillation	9
Cancer	40
Dementia	6

Education & Training

He is certified by the American Board of Surgery and has a state license in Texas.

Board Certification: American Board of Surgery

Licensed In: Texas

Ratings & Reviews

Dr. Dennis L. Rousseau JR., MD, PHD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 2 ratings. We collect ratings and reviews of Dr. Dennis L. Rousseau JR., MD, PHD from all over the web to help you find the right in Schertz, TX.

Overall Rating

(2 Ratings)

Leave a Review

Reviews From Around The Web

Overall Rating: 5.0 2026-03-23

Patient verified via Press Ganey

Excellent doctor. Would recommend him to my family and friends.

Overall Rating: 5.0 2026-04-11

Patient verified via Press Ganey

Really like Doctor Rousseau!

General Payments

These charts describe general payments received by Dr. Dennis L. Rousseau JR., MD, PHD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Genentech USA, Inc.	$117,373 Avastin $117,373
Intuitive Surgical, Inc.	$813 Da Vinci Surgical System $813
AngioDynamics, Inc.	$258 $258
Pacira Pharmaceuticals Incorporated	$148 Exparel $148
Ethicon US, LLC	$125 Biosurgicals $49	Endoscopy Endocutters $30	HARMONIC Product Family $20	ENSEAL $14	Enseal X1 $13
Other	$569 Creon $104	TRIDENT $98	Avastin $79	BlastX $69	SIR-Spheres microspheres $49	Other $170

**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	$85,320
Travel and Lodging	$31,510
Food and Beverage	$2,321
Education	$134

Biography

Dr. Dennis Rousseau is a specialist in surgical oncology (cancer surgery). He works in San Antonio, TX and Schertz, TX. Dr. Rousseau studied medicine at Vanderbilt University School of Medicine. His practice in San Antonio, TX is open to new patients as reported by Doctor.com.

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Dr. Dennis L. Rousseau JR., MD, PHD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Dennis L. Rousseau JR., MD, PHD in 2023

By Affordability:

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. Dennis L. Rousseau JR., MD, PHD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Dennis L. Rousseau JR., MD, PHD 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. Dennis L. Rousseau JR., MD, PHD From 2012 - 2023

Education & Training

Ratings & Reviews

General Payments

Biography

Surgical Oncologists in Nearby Locations

Other Providers in Schertz, TX