In 2023, among providers in related specialties within Wisconsin, Dr. H Marshall Matthews, MD performed more A1C test, complete blood count (CBC), intravenous (IV) infusion, lab tests, lipid profile, phlebotomy for lab tests, phosphorus blood test, prothrombin time (PT) test, screening test, serum folate test, thyroid blood test, total IgA test, total IgG test, total PSA test, uric acid blood test, and urinalysis procedures for Medicare patients than 95% of them and he also had a list price for A1C test, coagulation (blood clotting) tests, diabetes management, glycated protein test, IgD test, IgG test, immunoglobulin tests, iron tests, quantitative Ig tests, total IgG test, uric acid blood test, and uric acid test 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 10%

By Volume:

blood draw

In 2023, Dr. H Marshall Matthews, MD performed more blood draw procedures for Medicare patients than 90% of providers in related specialties within Wisconsin.

Top 25%

By Affordability:

lactate dehydrogenase test

liver function tests

magnesium test

In 2012, Dr. H Marshall Matthews, MD had a list price for lactate dehydrogenase (LDH) test, liver function tests (LFTs), and magnesium test that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Wisconsin. 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. H Marshall Matthews, MD treated as an oncologist in Sheboygan, WI during 2012 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. H Marshall Matthews, MD for Medicare patients.

aspiration	17
biological response modifier (BRM) therapy	230
blood draw	2175
bone marrow tests	34
chemotherapy	230
diagnostic procedures	34
doctor visit	1941
hospital care	72
inpatient care	72
lab tests	8405
minimally invasive procedures	513

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. H Marshall Matthews, MD treated as an oncologist in Sheboygan, WI during 2013 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. H Marshall Matthews, MD for Medicare patients.

aspiration	11
biological response modifier (BRM) therapy	285
blood draw	2227
bone marrow tests	23
chemotherapy	285
diabetes management	16
diagnostic procedures	23
doctor visit	1927
lab tests	9730
minimally invasive procedures	549
preventive care	38
thyroid function tests	146

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. H Marshall Matthews, MD.

**Gender**
Male	211
Female	288

**Ethnicity**
Non-Hispanic White	477
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	169
From 75 to 84	211
85 and over	77
Less than 65	42

Conditions of Medicare patients treated by Dr. H Marshall Matthews, MD in 2013

Hypertension	60
High Cholesterol	45
Stroke	4
Ischemic Heart Disease	29
Depression	18
Chronic Kidney Disease	30
Asthma	6
Osteoperosis	9
Atrial Fibrilation	12
Heart Failure	16
Chronic Obstructive Pulmonary Disease	14
Diabetes	28
Dementia	8
Cancer	44

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. H Marshall Matthews, MD treated as an oncologist in Sheboygan, WI during 2014 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. H Marshall Matthews, MD for Medicare patients.

biological response modifier (BRM) therapy	187
blood draw	1880
chemotherapy	187
diabetes management	25
doctor visit	1550
hospital care	52
inpatient care	52
lab tests	7581
minimally invasive procedures	451
preventive care	43
thyroid function tests	80

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. H Marshall Matthews, MD.

**Gender**
Male	190
Female	295

**Ethnicity**
Non-Hispanic White	458
Black	0
Hispanic	0
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	167
From 75 to 84	190
85 and over	86
Less than 65	42

Conditions of Medicare patients treated by Dr. H Marshall Matthews, MD in 2014

Hypertension	59
High Cholesterol	47
Stroke	3
Ischemic Heart Disease	31
Depression	18
Chronic Kidney Disease	30
Asthma	9
Osteoperosis	9
Atrial Fibrilation	15
Heart Failure	19
Chronic Obstructive Pulmonary Disease	15
Diabetes	28
Dementia	9
Cancer	45

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. H Marshall Matthews, MD treated as an oncologist in Sheboygan, WI during 2015 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. H Marshall Matthews, MD for Medicare patients.

biological response modifier (BRM) therapy	310
blood draw	1861
chemotherapy	310
diabetes management	29
doctor visit	1589
hospital care	27
inpatient care	27
lab tests	8149
minimally invasive procedures	537
preventive care	52
thyroid function tests	84

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. H Marshall Matthews, MD.

**Gender**
Male	366
Female	586

**Ethnicity**
Non-Hispanic White	902
Black	0
Hispanic	0
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	340
From 75 to 84	354
85 and over	180
Less than 65	78

Conditions of Medicare patients treated by Dr. H Marshall Matthews, MD in 2015

Hypertension	59
High Cholesterol	47
Stroke	5
Ischemic Heart Disease	31
Depression	20
Chronic Kidney Disease	32
Asthma	9
Osteoperosis	8
Atrial Fibrilation	13
Heart Failure	17
Chronic Obstructive Pulmonary Disease	14
Diabetes	26
Dementia	9
Cancer	46

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. H Marshall Matthews, MD treated as an oncologist in Sheboygan, WI during 2016 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. H Marshall Matthews, MD for Medicare patients.

biological response modifier (BRM) therapy	256
blood draw	1786
chemotherapy	256
diabetes management	38
doctor visit	1653
lab tests	9267
minimally invasive procedures	633
preventive care	64
thyroid function tests	101

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. H Marshall Matthews, MD.

**Gender**
Male	183
Female	293

**Ethnicity**
Non-Hispanic White	443
Black	0
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	180
From 75 to 84	166
85 and over	83
Less than 65	47

Conditions of Medicare patients treated by Dr. H Marshall Matthews, MD in 2016

Hypertension	63
High Cholesterol	49
Stroke	3
Ischemic Heart Disease	35
Depression	21
Chronic Kidney Disease	35
Asthma	20
Osteoperosis	12
Atrial Fibrilation	12
Heart Failure	18
Chronic Obstructive Pulmonary Disease	18
Diabetes	28
Dementia	9
Cancer	42

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. H Marshall Matthews, MD treated as an oncologist in Sheboygan, WI during 2017 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. H Marshall Matthews, MD for Medicare patients.

biological response modifier (BRM) therapy	252
blood draw	1914
chemotherapy	252
diabetes management	37
doctor visit	1716
lab tests	9934
minimally invasive procedures	594
preventive care	69
thyroid function tests	95

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. H Marshall Matthews, MD.

**Gender**
Male	174
Female	275

**Ethnicity**
Non-Hispanic White	417
Black	0
Hispanic	0
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	170
From 75 to 84	164
85 and over	76
Less than 65	39

Conditions of Medicare patients treated by Dr. H Marshall Matthews, MD in 2017

Hypertension	65
High Cholesterol	44
Stroke	0
Ischemic Heart Disease	37
Depression	21
Chronic Kidney Disease	36
Asthma	10
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	18
Chronic Obstructive Pulmonary Disease	17
Diabetes	25
Dementia	7
Cancer	45

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. H Marshall Matthews, MD treated as an oncologist in Sheboygan, WI during 2018 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. H Marshall Matthews, MD for Medicare patients.

biological response modifier (BRM) therapy	236
blood draw	1875
chemotherapy	236
diabetes management	36
doctor visit	1858
hormone therapy	40
lab tests	10523
minimally invasive procedures	717
preventive care	68
thyroid function tests	151

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. H Marshall Matthews, MD.

**Gender**
Male	187
Female	281

**Ethnicity**
Non-Hispanic White	427
Black	0
Hispanic	0
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	182
From 75 to 84	170
85 and over	75
Less than 65	41

Conditions of Medicare patients treated by Dr. H Marshall Matthews, MD in 2018

Hypertension	65
High Cholesterol	53
Stroke	3
Ischemic Heart Disease	38
Depression	24
Chronic Kidney Disease	38
Asthma	8
Osteoperosis	12
Atrial Fibrilation	14
Heart Failure	18
Chronic Obstructive Pulmonary Disease	18
Diabetes	28
Dementia	7
Cancer	45

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. H Marshall Matthews, MD treated as an oncologist in Sheboygan, WI during 2019 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. H Marshall Matthews, MD for Medicare patients.

biological response modifier (BRM) therapy	169
blood draw	1481
chemotherapy	169
diabetes management	26
doctor visit	1478
hormone therapy	50
lab tests	9045
minimally invasive procedures	462
preventive care	58
thyroid function tests	135

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. H Marshall Matthews, MD.

**Gender**
Male	175
Female	256

**Ethnicity**
Non-Hispanic White	400
Black	0
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	161
From 75 to 84	147
85 and over	83
Less than 65	40

Conditions of Medicare patients treated by Dr. H Marshall Matthews, MD in 2019

Hypertension	70
High Cholesterol	60
Stroke	3
Ischemic Heart Disease	39
Depression	29
Chronic Kidney Disease	43
Asthma	8
Osteoperosis	14
Atrial Fibrilation	16
Heart Failure	21
Chronic Obstructive Pulmonary Disease	20
Diabetes	29
Dementia	12
Cancer	46

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. H Marshall Matthews, MD treated as an oncologist in Sheboygan, WI during 2020 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. H Marshall Matthews, MD for Medicare patients.

biological response modifier (BRM) therapy	185
blood draw	1555
chemotherapy	185
diabetes management	27
doctor visit	1294
hormone therapy	80
lab tests	9609
minimally invasive procedures	473
preventive care	55
thyroid function tests	139

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. H Marshall Matthews, MD.

**Gender**
Male	180
Female	236

**Ethnicity**
Non-Hispanic White	384
Black	0
Hispanic	0
Asian	0
Other	20
Native American	0

**Age**
From 65 to 74	168
From 75 to 84	146
85 and over	73
Less than 65	29

Conditions of Medicare patients treated by Dr. H Marshall Matthews, MD in 2020

Hypertension	66
High Cholesterol	57
Stroke	4
Ischemic Heart Disease	40
Depression	24
Chronic Kidney Disease	43
Asthma	7
Osteoperosis	12
Atrial Fibrilation	15
Heart Failure	22
Chronic Obstructive Pulmonary Disease	16
Diabetes	31
Dementia	10
Cancer	43

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. H Marshall Matthews, MD treated as an oncologist in Sheboygan, WI during 2021 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. H Marshall Matthews, MD for Medicare patients.

biological response modifier (BRM) therapy	226
blood draw	1560
chemotherapy	226
diabetes management	46
doctor visit	1167
hormone therapy	47
lab tests	10629
minimally invasive procedures	527
preventive care	68
thyroid function tests	160

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. H Marshall Matthews, MD.

**Gender**
Male	189
Female	230

**Ethnicity**
Non-Hispanic White	385
Black	0
Hispanic	0
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	184
From 75 to 84	144
85 and over	60
Less than 65	31

Conditions of Medicare patients treated by Dr. H Marshall Matthews, MD in 2021

Hypertension	64
High Cholesterol	56
Stroke	4
Ischemic Heart Disease	39
Depression	22
Chronic Kidney Disease	42
Asthma	5
Osteoperosis	12
Atrial Fibrilation	16
Heart Failure	21
Chronic Obstructive Pulmonary Disease	15
Diabetes	30
Dementia	10
Cancer	40

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. H Marshall Matthews, MD treated as an oncologist in Sheboygan, WI during 2022 were lab tests, blood draw, minimally invasive procedures and chemotherapy.

Volume of procedures performed by Dr. H Marshall Matthews, MD for Medicare patients.

biological response modifier (BRM) therapy	203
blood draw	878
chemotherapy	203
diabetes management	23
doctor visit	1264
hormone therapy	62
lab tests	6925
minimally invasive procedures	565
preventive care	43
thyroid function tests	104

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. H Marshall Matthews, MD.

**Gender**
Male	142
Female	162

**Ethnicity**
Non-Hispanic White	277
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	138
From 75 to 84	98
85 and over	49
Less than 65	19

Conditions of Medicare patients treated by Dr. H Marshall Matthews, MD in 2022

Hypertension	75
High Cholesterol	68
Stroke	7
Ischemic Heart Disease	29
Depression	22
Chronic Kidney Disease	31
Asthma	8
Osteoperosis	16
Atrial Fibrilation	23
Heart Failure	18
Chronic Obstructive Pulmonary Disease	18
Diabetes	29
Dementia	4
Cancer	47

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. H Marshall Matthews, MD for Medicare patients.

The highest averages for the top procedures that Dr. H Marshall Matthews, MD treated as an oncologist in Sheboygan, WI were lab tests, blood draw, minimally invasive procedures and chemotherapy.

aspiration	14
biological response modifier (BRM) therapy	230
blood draw	1744
bone marrow tests	28
chemotherapy	230
diabetes management	30
diagnostic procedures	28
doctor visit	1585
hormone therapy	55
hospital care	50
inpatient care	50
lab tests	9072
minimally invasive procedures	547
preventive care	55
thyroid function tests	119

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. H Marshall Matthews, MD.

**Gender**
Male	181
Female	263

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	415
Native American / Alaskan Native	0
Hispanic	0
Other	13

**Age**
75 to 84	162
85 and over	76
Less than 65	37
65 to 74	169

Average of Total of Conditions of Medicare patients treated by Dr. H Marshall Matthews, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. H Marshall Matthews, MD treated were hypertension, high cholesterol, cancer and chronic kidney disease.

Hypertension	58
High Cholesterol	47
Stroke	3
Ischemic Heart Disease	31
Depression	19
Chronic Kidney Disease	32
Asthma	8
Osteoporosis	10
Heart Failure	17
Chronic Obstructive Pulmonary Disease	15
Diabetes	25
Atrial Fibrillation	13
Dementia	7
Cancer	40

Education & Training

He has a state license in Wisconsin.

Licensed In: Wisconsin

Ratings & Reviews

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General Payments

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

**Payments by Company**
Novartis Pharmaceuticals Corporation	$77 KISQALI $34	FEMARA $31	TAFINLAR $12
Janssen Biotech, Inc.	$66 ZYTIGA $37	IMBRUVICA $15	Erleada $14
Genentech USA, Inc.	$51 Gazyva $19	Cotellic $17	Herceptin $16
Exelixis Inc.	$41 Cabometyx $41
E.R. Squibb & Sons, L.L.C.	$39 OPDIVO $20	ABILIFY $18
Other	$253 BRUKINSA $28	Lenvima $26	NURTEC ODT $25	ORGOVYX $24	Venclexta $20	Other $131

**Types of Payments**
Food and Beverage	$445
Education	$82

Biography

Dr. H. Matthews' specialties are adult hematology and adult oncology. He practices in Sheboygan, WI. Dr. Matthews obtained a license to practice in Wisconsin.

Select Year:

Dr. H Marshall Matthews, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. H Marshall Matthews, MD in 2023

By Volume:

By Affordability:

By Volume:

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. H Marshall Matthews, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. H Marshall Matthews, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. H Marshall Matthews, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. H Marshall Matthews, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. H Marshall Matthews, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. H Marshall Matthews, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. H Marshall Matthews, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. H Marshall Matthews, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. H Marshall Matthews, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. H Marshall Matthews, 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. H Marshall Matthews, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography

Other Providers in Sheboygan, WI