Procedure Volume Patient Data Patient Conditions Reviews General Payments Back to Top

Home > MA Providers > Diagnostic Radiologists

Dr. Michael E. Zalis, MD

Accepting New Patients

(No ratings)

Specializes in: Interventional Radiology/Diagnostic Radiology (IR/DR) and Diagnostic Radiology

University of Virginia School of Medicine

Professional interests include: CT colonography (virtual colonoscopy), cardiac imaging, MRI (magnetic resonance imaging)

55 Fruit Street
Boston, MA 02114

(617) 643-4723

Dr. Michael E. Zalis, MD is a radiologist in Boston, MA specializing in interventional radiology/diagnostic radiology (ir/dr) and diagnostic radiology. He graduated from University of Virginia School of Medicine. Dr. Michael E. Zalis, MD is affiliated with Newton-Wellesley Hospital and Massachusetts General Hospital.

Office Locations

55 Fruit Street
Boston, MA 02114

open_in_new

In The News (see more mentions in the news)

“"In our trial at the threshold of detecting polyps 8 mm or larger, lax-free CT could identify 70 percent of patients harboring one or more polyps - compared to 88 percent picked up by colonoscopy,"...”—"A new colon cancer screening without the gross drink", Fox News, March 2015

“"If somebody's not getting screened, and it's because of the prep, we can address this issue" with the laxative-free test, says Michael Zalis, director of CT colonography at Massachusetts General...”—"Are new colon cancer screenings really effective?", NBC News, June 2012

“"Rightly or wrongly, people really do harbor a strong aversion to the prep," said Michael Zalis, director of CT Colonography at Massachusetts General Hospital in Boston and an associate professor...”—"Laxative-free cancer scans nearly as effective as colonoscopies", Bangor Daily News, May 2012

Noteworthy Medicare Patient Procedures Performed by Dr. Michael E. Zalis, MD in 2023

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

Top 5%

By Volume:

lower extremity venous duplex

vascular procedures

vascular ultrasound

In 2023, Dr. Michael E. Zalis, MD performed more lower extremity venous duplex, vascular procedures, and vascular ultrasound procedures for Medicare patients than 95% of providers in related specialties within Massachusetts.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Michael E. Zalis, MD treated as a radiologist in Boston, MA during 2012 were abdominal imaging, CT scan, pelvic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Michael E. Zalis, MD for Medicare patients.

abdominal imaging	267
aspiration	17
CT scan	174
diagnostic procedures	16
minimally invasive procedures	16
minor procedures	16
neck imaging	12
pelvic imaging	174
ultrasound (sonogram)	61
X-rays	44

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Michael E. Zalis, MD treated as a radiologist in Boston, MA during 2013 were abdominal imaging, CT scan, pelvic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Michael E. Zalis, MD for Medicare patients.

abdominal imaging	157
CT scan	104
pelvic imaging	104
ultrasound (sonogram)	29
X-rays	24

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael E. Zalis, MD.

**Gender**
Male	143
Female	148

**Ethnicity**
Non-Hispanic White	243
Black	16
Hispanic	16
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	115
From 75 to 84	84
85 and over	29
Less than 65	63

Conditions of Medicare patients treated by Dr. Michael E. Zalis, MD in 2013

Hypertension	75
High Cholesterol	56
Stroke	8
Ischemic Heart Disease	45
Depression	35
Chronic Kidney Disease	53
Asthma	13
Osteoperosis	14
Atrial Fibrilation	16
Heart Failure	35
Chronic Obstructive Pulmonary Disease	22
Diabetes	37
Dementia	10
Cancer	26

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Michael E. Zalis, MD treated as a radiologist in Boston, MA during 2014 were abdominal imaging, CT scan, pelvic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Michael E. Zalis, MD for Medicare patients.

abdominal imaging	170
aspiration	12
CT scan	101
MRI (magnetic resonance imaging)	15
neck imaging	28
pelvic imaging	101
ultrasound (sonogram)	63
X-rays	19

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael E. Zalis, MD.

**Gender**
Male	154
Female	183

**Ethnicity**
Non-Hispanic White	302
Black	0
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	138
From 75 to 84	98
85 and over	40
Less than 65	61

Conditions of Medicare patients treated by Dr. Michael E. Zalis, MD in 2014

Hypertension	74
High Cholesterol	54
Stroke	7
Ischemic Heart Disease	43
Depression	34
Chronic Kidney Disease	48
Asthma	10
Osteoperosis	14
Atrial Fibrilation	17
Heart Failure	34
Chronic Obstructive Pulmonary Disease	23
Diabetes	30
Dementia	10
Cancer	28

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Michael E. Zalis, MD treated as a radiologist in Boston, MA during 2015 were abdominal imaging, pelvic imaging, CT scan and ultrasound (sonogram).

Volume of procedures performed by Dr. Michael E. Zalis, MD for Medicare patients.

abdominal imaging	528
CT scan	345
MRI (magnetic resonance imaging)	18
neck imaging	41
pelvic imaging	381
ultrasound (sonogram)	202
vascular procedures	12
women's imaging	18
X-rays	40

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael E. Zalis, MD.

**Gender**
Male	792
Female	710

**Ethnicity**
Non-Hispanic White	1314
Black	50
Hispanic	68
Asian	0
Other	42
Native American	0

**Age**
From 65 to 74	626
From 75 to 84	450
85 and over	136
Less than 65	290

Conditions of Medicare patients treated by Dr. Michael E. Zalis, MD in 2015

Hypertension	70
High Cholesterol	53
Stroke	7
Ischemic Heart Disease	38
Depression	31
Chronic Kidney Disease	46
Asthma	17
Osteoperosis	12
Atrial Fibrilation	17
Heart Failure	29
Chronic Obstructive Pulmonary Disease	19
Diabetes	31
Dementia	11
Cancer	28

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Michael E. Zalis, MD treated as a radiologist in Boston, MA during 2016 were abdominal imaging, CT scan, pelvic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Michael E. Zalis, MD for Medicare patients.

abdominal imaging	116
aspiration	22
CT scan	66
diagnostic procedures	11
minimally invasive procedures	11
minor procedures	11
pelvic imaging	66
ultrasound (sonogram)	32
X-rays	18

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael E. Zalis, MD.

**Gender**
Male	155
Female	131

**Ethnicity**
Non-Hispanic White	251
Black	11
Hispanic	11
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	118
From 75 to 84	74
85 and over	24
Less than 65	70

Conditions of Medicare patients treated by Dr. Michael E. Zalis, MD in 2016

Hypertension	73
High Cholesterol	50
Stroke	8
Ischemic Heart Disease	42
Depression	37
Chronic Kidney Disease	56
Asthma	24
Osteoperosis	10
Atrial Fibrilation	18
Heart Failure	31
Chronic Obstructive Pulmonary Disease	18
Diabetes	33
Dementia	17
Cancer	26

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Michael E. Zalis, MD treated as a radiologist in Boston, MA during 2017 were minor procedures, minimally invasive procedures, diagnostic procedures and aspiration.

Volume of procedures performed by Dr. Michael E. Zalis, MD for Medicare patients.

aspiration	11
diagnostic procedures	13
minimally invasive procedures	13
minor procedures	13

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael E. Zalis, MD.

**Gender**
Male	44
Female	40

**Age**
From 65 to 74	39
From 75 to 84	20
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Michael E. Zalis, MD in 2017

Hypertension	74
High Cholesterol	46
Stroke	0
Ischemic Heart Disease	51
Depression	37
Chronic Kidney Disease	62
Asthma	0
Osteoperosis	14
Atrial Fibrilation	15
Heart Failure	27
Chronic Obstructive Pulmonary Disease	20
Diabetes	30
Dementia	18
Cancer	31

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Michael E. Zalis, MD treated as a radiologist in Boston, MA during 2018 were minor procedures, minimally invasive procedures, diagnostic procedures and aspiration.

Volume of procedures performed by Dr. Michael E. Zalis, MD for Medicare patients.

aspiration	11
diagnostic procedures	12
minimally invasive procedures	12
minor procedures	12

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael E. Zalis, MD.

**Gender**
Male	49
Female	26

**Ethnicity**
Non-Hispanic White	61
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	32
From 75 to 84	23
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Michael E. Zalis, MD in 2018

Hypertension	75
High Cholesterol	67
Stroke	0
Ischemic Heart Disease	47
Depression	35
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	32
Chronic Obstructive Pulmonary Disease	20
Diabetes	35
Dementia	15
Cancer	36

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Michael E. Zalis, MD treated as a radiologist in Boston, MA during 2019 were minor procedures, minimally invasive procedures and diagnostic procedures.

Volume of procedures performed by Dr. Michael E. Zalis, MD for Medicare patients.

diagnostic procedures	12
minimally invasive procedures	12
minor procedures	12

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael E. Zalis, MD.

**Gender**
Male	54
Female	38

**Ethnicity**
Non-Hispanic White	81
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	36
From 75 to 84	30
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Michael E. Zalis, MD in 2019

Hypertension	75
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	49
Depression	40
Chronic Kidney Disease	70
Asthma	0
Osteoperosis	14
Atrial Fibrilation	13
Heart Failure	27
Chronic Obstructive Pulmonary Disease	22
Diabetes	35
Dementia	24
Cancer	27

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Michael E. Zalis, MD treated as a radiologist in Boston, MA during 2020 were minor procedures, minimally invasive procedures and diagnostic procedures.

Volume of procedures performed by Dr. Michael E. Zalis, MD for Medicare patients.

diagnostic procedures	14
minimally invasive procedures	14
minor procedures	14

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael E. Zalis, MD.

**Gender**
Male	47
Female	39

**Ethnicity**
Non-Hispanic White	70
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	41
From 75 to 84	25
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Michael E. Zalis, MD in 2020

Hypertension	75
High Cholesterol	56
Stroke	0
Ischemic Heart Disease	50
Depression	35
Chronic Kidney Disease	70
Asthma	0
Osteoperosis	17
Atrial Fibrilation	0
Heart Failure	24
Chronic Obstructive Pulmonary Disease	0
Diabetes	26
Dementia	20
Cancer	24

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Michael E. Zalis, MD treated as a radiologist in Boston, MA during 2021 were minor procedures, minimally invasive procedures and diagnostic procedures.

Volume of procedures performed by Dr. Michael E. Zalis, MD for Medicare patients.

diagnostic procedures	41
minimally invasive procedures	41
minor procedures	41

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael E. Zalis, MD.

**Gender**
Male	99
Female	71

**Ethnicity**
Non-Hispanic White	148
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	76
From 75 to 84	60
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Michael E. Zalis, MD in 2021

Hypertension	75
High Cholesterol	67
Stroke	8
Ischemic Heart Disease	49
Depression	30
Chronic Kidney Disease	55
Asthma	14
Osteoperosis	11
Atrial Fibrilation	18
Heart Failure	31
Chronic Obstructive Pulmonary Disease	19
Diabetes	30
Dementia	16
Cancer	21

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Michael E. Zalis, MD treated as a radiologist in Boston, MA during 2022 were ultrasound (sonogram), vascular procedures, minor procedures and minimally invasive procedures.

Volume of procedures performed by Dr. Michael E. Zalis, MD for Medicare patients.

diagnostic procedures	16
minimally invasive procedures	16
minor procedures	16
ultrasound (sonogram)	242
vascular procedures	242

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Michael E. Zalis, MD.

**Gender**
Male	398
Female	291

**Ethnicity**
Non-Hispanic White	595
Black	19
Hispanic	22
Asian	11
Other	42
Native American	0

**Age**
From 65 to 74	259
From 75 to 84	262
85 and over	99
Less than 65	69

Conditions of Medicare patients treated by Dr. Michael E. Zalis, MD in 2022

Hypertension	75
High Cholesterol	74
Stroke	13
Ischemic Heart Disease	41
Depression	26
Chronic Kidney Disease	34
Asthma	12
Osteoperosis	18
Atrial Fibrilation	28
Heart Failure	27
Chronic Obstructive Pulmonary Disease	20
Diabetes	27
Dementia	11
Cancer	27

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Michael E. Zalis, MD for Medicare patients.

The highest averages for the top procedures that Dr. Michael E. Zalis, MD treated as a radiologist in Boston, MA were abdominal imaging, pelvic imaging, CT scan and vascular procedures.

abdominal imaging	247
aspiration	14
CT scan	158
diagnostic procedures	16
minimally invasive procedures	16
minor procedures	16
MRI (magnetic resonance imaging)	16
neck imaging	27
pelvic imaging	165
ultrasound (sonogram)	104
vascular procedures	127
women's imaging	18
X-rays	29

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Michael E. Zalis, MD.

**Gender**
Male	175
Female	152

**Ethnicity**
Black / African American	8
Asian / Pacific Islander	1
Non-Hispanic White	278
Native American / Alaskan Native	0
Hispanic	11
Other	7

**Age**
75 to 84	102
85 and over	29
Less than 65	50
65 to 74	134

Average of Total of Conditions of Medicare patients treated by Dr. Michael E. Zalis, MD From 2012 - 2022

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

Hypertension	67
High Cholesterol	53
Stroke	4
Ischemic Heart Disease	41
Depression	30
Chronic Kidney Disease	51
Asthma	8
Osteoporosis	11
Heart Failure	27
Chronic Obstructive Pulmonary Disease	16
Diabetes	28
Atrial Fibrillation	12
Dementia	13
Cancer	24

Education & Training

Dr. Michael E. Zalis, MD graduated from University of Virginia School of Medicine. He completed residency at Georgetown University Hospital. He is certified by the Diagnostic Radiology, American Board of Radiology and has a state license in Massachusetts.

Medical School: University of Virginia School of Medicine

Residency: Georgetown University Hospital

Board Certification: Diagnostic Radiology, American Board of Radiology

Licensed In: Massachusetts

Affiliations & Hospitals

Dr. Michael E. Zalis, MD is associated with these hospitals and organizations:

Newton-Wellesley Hospital

Massachusetts General Hospital

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Michael E. Zalis, MD appears to accept the following insurance providers: Harvard Pilgrim Health Care, MultiPlan, United Healthcare, Tufts Health Plan, Aetna, TRICARE, Medicare, Medicaid, Humana, Railroad Medicare, Coventry, Cigna, Blue California, Beech Street, WellPoint, Medicare ACO, WellSense, Senior Whole Health, Fallon Health, Commonwealth Care Alliance, Blue Cross Blue Shield Medicare, Mass General Brigham Health Plan, Maine Community Health Options, MassHealth, WellSense NH and Blue Cross Blue Shield NH.

Insurance Accepted by Provider includes:

According to our sources, Dr. Michael E. Zalis, MD accepts the following insurance providers:

Harvard Pilgrim Health Care

MultiPlan

United Healthcare

Tufts Health Plan

Aetna

TRICARE

Medicare

Medicaid

Humana

Railroad Medicare

Coventry

Cigna

Blue California

Beech Street

WellPoint

Medicare ACO

WellSense

Senior Whole Health

Fallon Health

Commonwealth Care Alliance

Blue Cross Blue Shield Medicare

Mass General Brigham Health Plan

Maine Community Health Options

MassHealth

WellSense NH

Blue Cross Blue Shield NH

Ratings & Reviews

Dr. Michael E. Zalis, MD does not have any reviews yet, be the first to leave a review of Dr. Michael E. Zalis, MD here: Leave a Review

(No ratings)

Leave a Review

General Payments

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

**Payments by Company**
Boston Scientific Corporation	$270,031 GENERAL - THERAPIES $127,910	WATCHMAN $106,120	GENERAL THERAPIES $36,000
GE Healthcare	$2,867 $2,867
Davol Inc.	$44 $44

**Types of Payments**
Consulting Fee	$269,600
Travel and Lodging	$2,556
Food and Beverage	$702
Education	$44
Grant	$40

Research Payments

Dr. Michael E. Zalis, MD has received 12 research payments totaling $33,475.

Biography

Dr. Michael Zalis practices interventional radiology/diagnostic radiology (IR/DR) and diagnostic radiology. Dr. Zalis's areas of expertise include MRI (magnetic resonance imaging), CT colonography (virtual colonoscopy), and cardiac imaging. His hospital/clinic affiliations include Massachusetts General Hospital and Newton-Wellesley Hospital. He can take Blue California, Coventry, Viant, and more. Dr. Zalis's practice in BOSTON, MA is open to new patients as reported by Newton-Wellesley Hospital. He studied medicine at the University of Virginia School of Medicine. His residency was performed at Georgetown University Hospital. He is conversant in French.