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Dr. Marshall S. Katz, MD

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Specializes in: Adult Cardiology

Boston University School of Medicine

100 Second Avenue
Needham, MA 02494

(617) 657-6415

Dr. Marshall S. Katz, MD is a cardiologist in Needham, MA specializing in adult cardiology. He graduated from Boston University School of Medicine. Dr. Marshall S. Katz, MD is affiliated with Atrius Health and ATRIUS HEALTH INC.

Office Locations

Atrius Health

100 Second Avenue
Needham, MA 02494

(617) 657-6415

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133 Brookline Avenue
Boston, MA 02215

(617) 421-6050

(617) 421-6083

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Noteworthy Medicare Patient Procedures Performed by Dr. Marshall S. Katz, MD in 2023

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

Top 5%

By Volume:

ALT test

blood draw

creatinine blood test

electrolyte panel

lab tests

phlebotomy for lab tests

total protein blood test

By Affordability:

blood urea nitrogen test

creatinine blood test

electrolyte panel

electrolyte test

hemoglobin test

In 2023, among providers in related specialties within Massachusetts, Dr. Marshall S. Katz, MD performed more ALT (SGPT) test, blood draw, creatinine blood test, electrolyte panel, lab tests, phlebotomy for lab tests, and total protein blood test procedures for Medicare patients than 95% of them and he also had a list price for blood urea nitrogen (BUN) test, creatinine blood test, electrolyte panel, electrolyte test, and hemoglobin 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:

lipid profile

In 2023, Dr. Marshall S. Katz, MD performed more lipid profile procedures for Medicare patients than 90% of providers in related specialties within Massachusetts.

Top 25%

By Affordability:

inpatient hospital care

kidney function tests

In 2012, Dr. Marshall S. Katz, MD had a list price for ALT (SGPT) test, blood count tests, creatinine test, hospital care, inpatient care, inpatient hospital care (for patient admitted to hospital), and kidney function tests that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Massachusetts. 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. Marshall S. Katz, MD treated as a cardiologist in Needham, MA during 2012 were lab tests, cardiac procedures, blood draw and ultrasound (sonogram).

Volume of procedures performed by Dr. Marshall S. Katz, MD for Medicare patients.

blood draw	149
cardiac procedures	161
doctor visit	361
hospital care	60
inpatient care	60
lab tests	491
nuclear scan	11
preventive care	110
stress testing	49
thyroid function tests	27
ultrasound (sonogram)	123

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Marshall S. Katz, MD treated as a cardiologist in Needham, MA during 2013 were lab tests, cardiac procedures, ultrasound (sonogram) and blood draw.

Volume of procedures performed by Dr. Marshall S. Katz, MD for Medicare patients.

ambulatory monitoring	13
blood draw	176
cardiac procedures	255
doctor visit	462
hospital care	43
inpatient care	43
lab tests	523
nuclear scan	19
preventive care	113
stress testing	77
thyroid function tests	23
ultrasound (sonogram)	190

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Marshall S. Katz, MD.

**Gender**
Male	523
Female	574

**Ethnicity**
Non-Hispanic White	849
Black	136
Hispanic	44
Asian	0
Other	34
Native American	0

**Age**
From 65 to 74	548
From 75 to 84	295
85 and over	139
Less than 65	115

Conditions of Medicare patients treated by Dr. Marshall S. Katz, MD in 2013

Hypertension	74
High Cholesterol	69
Stroke	7
Ischemic Heart Disease	43
Depression	24
Chronic Kidney Disease	28
Asthma	10
Osteoperosis	7
Atrial Fibrilation	25
Heart Failure	25
Chronic Obstructive Pulmonary Disease	9
Diabetes	33
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Marshall S. Katz, MD treated as a cardiologist in Needham, MA during 2014 were lab tests, cardiac procedures, blood draw and ultrasound (sonogram).

Volume of procedures performed by Dr. Marshall S. Katz, MD for Medicare patients.

ambulatory monitoring	17
blood draw	257
cardiac procedures	303
doctor visit	576
hospital care	80
inpatient care	80
lab tests	690
nuclear scan	26
preventive care	102
stress testing	74
thyroid function tests	34
ultrasound (sonogram)	212

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Marshall S. Katz, MD.

**Gender**
Male	563
Female	595

**Ethnicity**
Non-Hispanic White	922
Black	127
Hispanic	38
Asian	34
Other	37
Native American	0

**Age**
From 65 to 74	553
From 75 to 84	349
85 and over	158
Less than 65	98

Conditions of Medicare patients treated by Dr. Marshall S. Katz, MD in 2014

Hypertension	72
High Cholesterol	66
Stroke	7
Ischemic Heart Disease	44
Depression	22
Chronic Kidney Disease	28
Asthma	10
Osteoperosis	8
Atrial Fibrilation	24
Heart Failure	24
Chronic Obstructive Pulmonary Disease	12
Diabetes	29
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Marshall S. Katz, MD treated as a cardiologist in Needham, MA during 2015 were lab tests, cardiac procedures, blood draw and ultrasound (sonogram).

Volume of procedures performed by Dr. Marshall S. Katz, MD for Medicare patients.

ambulatory monitoring	12
blood draw	256
cardiac procedures	316
doctor visit	598
hospital care	53
inpatient care	39
lab tests	767
nuclear scan	28
outpatient care	14
preventive care	77
stress testing	99
thyroid function tests	41
ultrasound (sonogram)	221

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Marshall S. Katz, MD.

**Gender**
Male	1320
Female	1428

**Ethnicity**
Non-Hispanic White	2186
Black	290
Hispanic	96
Asian	66
Other	110
Native American	0

**Age**
From 65 to 74	1410
From 75 to 84	722
85 and over	380
Less than 65	236

Conditions of Medicare patients treated by Dr. Marshall S. Katz, MD in 2015

Hypertension	70
High Cholesterol	64
Stroke	6
Ischemic Heart Disease	41
Depression	22
Chronic Kidney Disease	28
Asthma	12
Osteoperosis	8
Atrial Fibrilation	20
Heart Failure	23
Chronic Obstructive Pulmonary Disease	10
Diabetes	28
Dementia	8
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Marshall S. Katz, MD treated as a cardiologist in Needham, MA during 2016 were lab tests, cardiac procedures, blood draw and ultrasound (sonogram).

Volume of procedures performed by Dr. Marshall S. Katz, MD for Medicare patients.

ambulatory monitoring	16
blood draw	326
cardiac procedures	412
diabetes management	11
doctor visit	688
hospital care	59
inpatient care	59
lab tests	847
nuclear scan	32
preventive care	102
stress testing	100
thyroid function tests	47
ultrasound (sonogram)	311

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Marshall S. Katz, MD.

**Gender**
Male	689
Female	705

**Ethnicity**
Non-Hispanic White	1108
Black	145
Hispanic	48
Asian	0
Other	60
Native American	0

**Age**
From 65 to 74	713
From 75 to 84	394
85 and over	177
Less than 65	110

Conditions of Medicare patients treated by Dr. Marshall S. Katz, MD in 2016

Hypertension	72
High Cholesterol	62
Stroke	6
Ischemic Heart Disease	41
Depression	24
Chronic Kidney Disease	35
Asthma	15
Osteoperosis	8
Atrial Fibrilation	21
Heart Failure	25
Chronic Obstructive Pulmonary Disease	11
Diabetes	31
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Marshall S. Katz, MD treated as a cardiologist in Needham, MA during 2017 were lab tests, blood draw, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Marshall S. Katz, MD for Medicare patients.

ambulatory monitoring	18
blood draw	408
cardiac procedures	405
doctor visit	844
hospital care	60
inpatient care	60
lab tests	1326
nuclear scan	38
preventive care	118
stress testing	119
thyroid function tests	57
ultrasound (sonogram)	288

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Marshall S. Katz, MD.

**Gender**
Male	753
Female	805

**Ethnicity**
Non-Hispanic White	1230
Black	157
Hispanic	50
Asian	47
Other	74
Native American	0

**Age**
From 65 to 74	775
From 75 to 84	473
85 and over	189
Less than 65	121

Conditions of Medicare patients treated by Dr. Marshall S. Katz, MD in 2017

Hypertension	70
High Cholesterol	36
Stroke	6
Ischemic Heart Disease	41
Depression	25
Chronic Kidney Disease	36
Asthma	9
Osteoperosis	8
Atrial Fibrilation	22
Heart Failure	24
Chronic Obstructive Pulmonary Disease	12
Diabetes	29
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Marshall S. Katz, MD treated as a cardiologist in Needham, MA during 2018 were lab tests, cardiac procedures, blood draw and ultrasound (sonogram).

Volume of procedures performed by Dr. Marshall S. Katz, MD for Medicare patients.

ambulatory monitoring	21
blood draw	412
cardiac procedures	445
doctor visit	996
hospital care	115
inpatient care	115
lab tests	1503
nuclear scan	50
preventive care	114
stress testing	134
thyroid function tests	58
ultrasound (sonogram)	314

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Marshall S. Katz, MD.

**Gender**
Male	785
Female	796

**Ethnicity**
Non-Hispanic White	1216
Black	172
Hispanic	53
Asian	0
Other	94
Native American	0

**Age**
From 65 to 74	765
From 75 to 84	507
85 and over	213
Less than 65	96

Conditions of Medicare patients treated by Dr. Marshall S. Katz, MD in 2018

Hypertension	71
High Cholesterol	65
Stroke	7
Ischemic Heart Disease	41
Depression	22
Chronic Kidney Disease	35
Asthma	9
Osteoperosis	10
Atrial Fibrilation	21
Heart Failure	22
Chronic Obstructive Pulmonary Disease	11
Diabetes	26
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Marshall S. Katz, MD treated as a cardiologist in Needham, MA during 2019 were lab tests, blood draw, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Marshall S. Katz, MD for Medicare patients.

ambulatory monitoring	12
blood draw	544
cardiac procedures	479
doctor visit	1031
hospital care	104
inpatient care	104
lab tests	1788
nuclear scan	67
preventive care	174
stress testing	198
thyroid function tests	69
ultrasound (sonogram)	288

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Marshall S. Katz, MD.

**Gender**
Male	887
Female	859

**Ethnicity**
Non-Hispanic White	1387
Black	158
Hispanic	43
Asian	60
Other	98
Native American	0

**Age**
From 65 to 74	859
From 75 to 84	564
85 and over	230
Less than 65	93

Conditions of Medicare patients treated by Dr. Marshall S. Katz, MD in 2019

Hypertension	69
High Cholesterol	65
Stroke	7
Ischemic Heart Disease	41
Depression	26
Chronic Kidney Disease	35
Asthma	7
Osteoperosis	10
Atrial Fibrilation	20
Heart Failure	25
Chronic Obstructive Pulmonary Disease	10
Diabetes	25
Dementia	11
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Marshall S. Katz, MD treated as a cardiologist in Needham, MA during 2020 were lab tests, blood draw, cardiac procedures and preventive care.

Volume of procedures performed by Dr. Marshall S. Katz, MD for Medicare patients.

blood draw	473
cardiac procedures	268
diabetes management	18
doctor visit	706
hospital care	83
inpatient care	83
lab tests	1633
nuclear scan	43
preventive care	193
stress testing	106
thyroid function tests	73
ultrasound (sonogram)	176

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Marshall S. Katz, MD.

**Gender**
Male	706
Female	649

**Ethnicity**
Non-Hispanic White	1079
Black	119
Hispanic	38
Asian	34
Other	85
Native American	0

**Age**
From 65 to 74	656
From 75 to 84	482
85 and over	169
Less than 65	48

Conditions of Medicare patients treated by Dr. Marshall S. Katz, MD in 2020

Hypertension	67
High Cholesterol	64
Stroke	6
Ischemic Heart Disease	45
Depression	24
Chronic Kidney Disease	36
Asthma	7
Osteoperosis	8
Atrial Fibrilation	22
Heart Failure	26
Chronic Obstructive Pulmonary Disease	9
Diabetes	26
Dementia	11
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Marshall S. Katz, MD treated as a cardiologist in Needham, MA during 2021 were lab tests, blood draw, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Marshall S. Katz, MD for Medicare patients.

blood draw	590
cardiac procedures	456
diabetes management	14
doctor visit	1044
hospital care	58
inpatient care	58
lab tests	2110
nuclear scan	35
preventive care	225
stress testing	132
thyroid function tests	74
ultrasound (sonogram)	352

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Marshall S. Katz, MD.

**Gender**
Male	895
Female	834

**Ethnicity**
Non-Hispanic White	1391
Black	139
Hispanic	48
Asian	48
Other	103
Native American	0

**Age**
From 65 to 74	775
From 75 to 84	644
85 and over	233
Less than 65	77

Conditions of Medicare patients treated by Dr. Marshall S. Katz, MD in 2021

Hypertension	70
High Cholesterol	67
Stroke	6
Ischemic Heart Disease	41
Depression	24
Chronic Kidney Disease	36
Asthma	8
Osteoperosis	10
Atrial Fibrilation	22
Heart Failure	25
Chronic Obstructive Pulmonary Disease	9
Diabetes	26
Dementia	9
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Marshall S. Katz, MD treated as a cardiologist in Needham, MA during 2022 were lab tests, blood draw, cardiac procedures and ultrasound (sonogram).

Volume of procedures performed by Dr. Marshall S. Katz, MD for Medicare patients.

blood draw	657
cardiac procedures	355
diabetes management	12
doctor visit	1035
hospital care	22
inpatient care	22
lab tests	2192
nuclear scan	31
preventive care	253
stress testing	103
thyroid function tests	104
ultrasound (sonogram)	280

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Marshall S. Katz, MD.

**Gender**
Male	863
Female	864

**Ethnicity**
Non-Hispanic White	1396
Black	140
Hispanic	30
Asian	35
Other	126
Native American	0

**Age**
From 65 to 74	742
From 75 to 84	693
85 and over	239
Less than 65	53

Conditions of Medicare patients treated by Dr. Marshall S. Katz, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	36
Depression	22
Chronic Kidney Disease	32
Asthma	11
Osteoperosis	15
Atrial Fibrilation	33
Heart Failure	24
Chronic Obstructive Pulmonary Disease	12
Diabetes	26
Dementia	6
Cancer	16

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Marshall S. Katz, MD for Medicare patients.

The highest averages for the top procedures that Dr. Marshall S. Katz, MD treated as a cardiologist in Needham, MA were lab tests, blood draw, cardiac procedures and ultrasound (sonogram).

ambulatory monitoring	15
blood draw	386
cardiac procedures	350
diabetes management	13
doctor visit	758
hospital care	67
inpatient care	65
lab tests	1260
nuclear scan	34
outpatient care	14
preventive care	143
stress testing	108
thyroid function tests	55
ultrasound (sonogram)	250

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Marshall S. Katz, MD.

**Gender**
Male	725
Female	737

**Ethnicity**
Black / African American	143
Asian / Pacific Islander	29
Non-Hispanic White	1160
Native American / Alaskan Native	0
Hispanic	44
Other	74

**Age**
75 to 84	465
85 and over	193
Less than 65	95
65 to 74	708

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

The highest averages of the most common conditions of Medicare patients that Dr. Marshall S. Katz, MD treated were hypertension, high cholesterol, ischemic heart disease and chronic kidney disease.

Hypertension	64
High Cholesterol	57
Stroke	6
Ischemic Heart Disease	37
Depression	21
Chronic Kidney Disease	29
Asthma	8
Osteoporosis	8
Heart Failure	22
Chronic Obstructive Pulmonary Disease	9
Diabetes	25
Atrial Fibrillation	20
Dementia	8
Cancer	11

Education & Training

Dr. Marshall S. Katz, MD graduated from Boston University School of Medicine. He completed residency at Boston Medical Center. He is certified by the Board Certification: Cardiovascular Disease and has a state license in Massachusetts.

Medical School: Boston University School of Medicine

Residency: Boston Medical Center

Board Certification: Board Certification: Cardiovascular Disease

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. Marshall S. Katz, MD is associated with these hospitals and organizations:

Atrius Health

ATRIUS HEALTH INC

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General Payments

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

**Payments by Company**
Abbott Laboratories	$127 Attune Flex Adj Annuloplasty Rng $127
Boston Scientific Corporation	$124 WATCHMAN $124
Tosoh Bioscience, Inc.	$38 HEMOLYSYS/WASH SOL (2000 mL) $38
Daiichi Sankyo Inc.	$29 Benicar $29
Medtronic Vascular, Inc.	$21 Cardiac Resynchronization Therapy - CRT $21

**Types of Payments**
Food and Beverage	$301
Gift	$38

Biography

Dr. Marshall Katz's area of specialization is adult cardiology. Before completing his residency at Boston Medical Center, Dr. Katz attended medical school at Boston University School of Medicine. Dr. Katz is professionally affiliated with Atrius Health.