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Dr. Louis J. Mazzarelli, MD

(Dr. Louis Mazzarelli, M.D.)

(No ratings)

Specializes in: Diagnostic Radiology

Albert Einstein College of Medicine of Yeshiva University

365 Montauk Avenue
New London, CT 06320

(860) 444-5151

Dr. Louis J. Mazzarelli, MD is a diagnostic radiologist in New London, CT specializing in diagnostic radiology. He graduated from Albert Einstein College of Medicine of Yeshiva University. Dr. Louis J. Mazzarelli, MD is affiliated with Lawrence + Memorial Hospital and Yale New Haven Health.

Office Locations

Yale New Haven Health

365 Montauk Avenue
New London, CT 06320

(860) 444-5151

(860) 444-3731

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In The News

"The How, When and Why of Lung Cancer Screening", Yale New Haven Health

Noteworthy Medicare Patient Procedures Performed by Dr. Louis J. Mazzarelli, MD in 2023

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

Top 5%

By Affordability:

breast imaging

In 2023, Dr. Louis J. Mazzarelli, MD had a list price for breast imaging that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Connecticut. 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:

testicular duplex ultrasound

By Affordability:

mammogram

screening mammogram

women's imaging

In 2023, among providers in related specialties within Connecticut, Dr. Louis J. Mazzarelli, MD performed more testicular duplex ultrasound procedures for Medicare patients than 90% of them and he also had a list price for mammogram (breast X-ray), screening mammogram, and women's imaging that was lower than the list prices billed to Medicare by 90% 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 25%

By Volume:

abdominal imaging

brain imaging

carotid duplex ultrasound

cervical spine CT scan

CT scan

lower extremity venous duplex

By Affordability:

abdominal duplex ultrasound

carotid duplex ultrasound

carotid ultrasound

lower extremity MRI

pelvic duplex ultrasound

pelvic MRI

spine MRI

testicular duplex ultrasound

In 2012, among providers in related specialties within Connecticut, Dr. Louis J. Mazzarelli, MD performed more abdominal imaging, brain imaging (neuroimaging), carotid duplex ultrasound, cervical (neck) spine CT scan, CT scan, lower extremity venous duplex, pelvic imaging, ultrasound (sonogram), vascular procedures, and vascular ultrasound procedures for Medicare patients than 75% of them and he also had a list price for abdominal duplex ultrasound, carotid duplex ultrasound, carotid ultrasound, lower extremity MRI, pelvic duplex ultrasound, pelvic MRI, spine MRI, and testicular duplex ultrasound that was lower than the list prices billed to Medicare by 75% 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.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Louis J. Mazzarelli, MD treated as a diagnostic radiologist in New London, CT during 2012 were X-rays, thoracic (chest) imaging, CT scan and brain imaging (neuroimaging).

Volume of procedures performed by Dr. Louis J. Mazzarelli, MD for Medicare patients.

abdominal imaging	427
brain imaging (neuroimaging)	547
breast procedures	319
CT scan	918
diagnostic imaging	88
gastrointestinal procedures	21
hip imaging	138
MRI (magnetic resonance imaging)	464
musculoskeletal imaging	279
neck imaging	16
nuclear scan	32
pelvic imaging	348
preventive care	209
spinal procedures	359
thoracic (chest) imaging	1399
ultrasound (sonogram)	227
vascular procedures	137
women's imaging	319
X-rays	1888

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Louis J. Mazzarelli, MD treated as a diagnostic radiologist in New London, CT during 2013 were X-rays, thoracic (chest) imaging, CT scan and brain imaging (neuroimaging).

Volume of procedures performed by Dr. Louis J. Mazzarelli, MD for Medicare patients.

abdominal imaging	546
brain imaging (neuroimaging)	580
breast procedures	237
CT scan	1023
diagnostic imaging	56
gastrointestinal procedures	11
hip imaging	142
MRI (magnetic resonance imaging)	493
musculoskeletal imaging	293
neck imaging	46
nuclear scan	28
pelvic imaging	391
preventive care	181
spinal procedures	363
thoracic (chest) imaging	1444
ultrasound (sonogram)	334
vascular procedures	156
women's imaging	248
X-rays	1903

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Louis J. Mazzarelli, MD.

**Gender**
Male	1151
Female	1856

**Ethnicity**
Non-Hispanic White	2597
Black	163
Hispanic	155
Asian	32
Other	47
Native American	13

**Age**
From 65 to 74	951
From 75 to 84	892
85 and over	649
Less than 65	515

Conditions of Medicare patients treated by Dr. Louis J. Mazzarelli, MD in 2013

Hypertension	75
High Cholesterol	62
Stroke	11
Ischemic Heart Disease	41
Depression	33
Chronic Kidney Disease	30
Asthma	12
Osteoperosis	13
Atrial Fibrilation	19
Heart Failure	27
Chronic Obstructive Pulmonary Disease	29
Diabetes	32
Dementia	19
Cancer	17

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Louis J. Mazzarelli, MD treated as a diagnostic radiologist in New London, CT during 2014 were X-rays, thoracic (chest) imaging, CT scan and MRI (magnetic resonance imaging).

Volume of procedures performed by Dr. Louis J. Mazzarelli, MD for Medicare patients.

abdominal imaging	539
brain imaging (neuroimaging)	543
breast procedures	286
CT scan	877
diagnostic imaging	67
hip imaging	128
MRI (magnetic resonance imaging)	554
musculoskeletal imaging	298
neck imaging	27
nuclear scan	41
pelvic imaging	404
preventive care	202
spinal procedures	430
thoracic (chest) imaging	1421
ultrasound (sonogram)	419
vascular procedures	172
women's imaging	301
X-rays	2028

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Louis J. Mazzarelli, MD.

**Gender**
Male	1231
Female	1924

**Ethnicity**
Non-Hispanic White	2698
Black	175
Hispanic	173
Asian	44
Other	46
Native American	19

**Age**
From 65 to 74	1049
From 75 to 84	935
85 and over	618
Less than 65	553

Conditions of Medicare patients treated by Dr. Louis J. Mazzarelli, MD in 2014

Hypertension	75
High Cholesterol	62
Stroke	11
Ischemic Heart Disease	38
Depression	34
Chronic Kidney Disease	31
Asthma	12
Osteoperosis	12
Atrial Fibrilation	19
Heart Failure	26
Chronic Obstructive Pulmonary Disease	27
Diabetes	33
Dementia	17
Cancer	17

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Louis J. Mazzarelli, MD treated as a diagnostic radiologist in New London, CT during 2015 were X-rays, thoracic (chest) imaging, CT scan and brain imaging (neuroimaging).

Volume of procedures performed by Dr. Louis J. Mazzarelli, MD for Medicare patients.

abdominal imaging	582
brain imaging (neuroimaging)	589
breast procedures	320
CT scan	1136
diagnostic imaging	65
gastrointestinal procedures	26
hip imaging	158
MRI (magnetic resonance imaging)	544
musculoskeletal imaging	384
neck imaging	28
nuclear scan	29
pelvic imaging	467
preventive care	205
spinal procedures	419
thoracic (chest) imaging	1705
ultrasound (sonogram)	391
vascular procedures	171
women's imaging	320
X-rays	2331

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Louis J. Mazzarelli, MD.

**Gender**
Male	2830
Female	4294

**Ethnicity**
Non-Hispanic White	6080
Black	364
Hispanic	404
Asian	84
Other	148
Native American	44

**Age**
From 65 to 74	2362
From 75 to 84	2128
85 and over	1432
Less than 65	1202

Conditions of Medicare patients treated by Dr. Louis J. Mazzarelli, MD in 2015

Hypertension	75
High Cholesterol	60
Stroke	11
Ischemic Heart Disease	37
Depression	35
Chronic Kidney Disease	33
Asthma	22
Osteoperosis	12
Atrial Fibrilation	19
Heart Failure	25
Chronic Obstructive Pulmonary Disease	28
Diabetes	31
Dementia	18
Cancer	17

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Louis J. Mazzarelli, MD treated as a diagnostic radiologist in New London, CT during 2016 were X-rays, thoracic (chest) imaging, CT scan and abdominal imaging.

Volume of procedures performed by Dr. Louis J. Mazzarelli, MD for Medicare patients.

abdominal imaging	660
brain imaging (neuroimaging)	637
breast procedures	318
CT scan	1080
diagnostic imaging	51
hip imaging	57
MRI (magnetic resonance imaging)	583
musculoskeletal imaging	216
neck imaging	35
pelvic imaging	415
preventive care	250
spinal procedures	439
thoracic (chest) imaging	1525
ultrasound (sonogram)	507
vascular procedures	213
women's imaging	318
X-rays	1996

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Louis J. Mazzarelli, MD.

**Gender**
Male	1422
Female	2073

**Ethnicity**
Non-Hispanic White	2960
Black	211
Hispanic	184
Asian	35
Other	84
Native American	21

**Age**
From 65 to 74	1210
From 75 to 84	1041
85 and over	658
Less than 65	586

Conditions of Medicare patients treated by Dr. Louis J. Mazzarelli, MD in 2016

Hypertension	75
High Cholesterol	61
Stroke	9
Ischemic Heart Disease	37
Depression	36
Chronic Kidney Disease	37
Asthma	33
Osteoperosis	12
Atrial Fibrilation	19
Heart Failure	25
Chronic Obstructive Pulmonary Disease	28
Diabetes	32
Dementia	19
Cancer	16

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Louis J. Mazzarelli, MD treated as a diagnostic radiologist in New London, CT during 2017 were X-rays, thoracic (chest) imaging, CT scan and brain imaging (neuroimaging).

Volume of procedures performed by Dr. Louis J. Mazzarelli, MD for Medicare patients.

abdominal imaging	531
brain imaging (neuroimaging)	610
breast procedures	304
CT scan	1030
gastrointestinal procedures	24
hip imaging	54
MRI (magnetic resonance imaging)	513
musculoskeletal imaging	211
neck imaging	35
pelvic imaging	383
preventive care	217
spinal procedures	359
thoracic (chest) imaging	1587
ultrasound (sonogram)	480
vascular procedures	207
vertebral fracture assessment (VFA)	26
women's imaging	304
X-rays	1926

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Louis J. Mazzarelli, MD.

**Gender**
Male	1414
Female	2017

**Ethnicity**
Non-Hispanic White	2869
Black	191
Hispanic	223
Asian	42
Other	91
Native American	15

**Age**
From 65 to 74	1189
From 75 to 84	1027
85 and over	663
Less than 65	552

Conditions of Medicare patients treated by Dr. Louis J. Mazzarelli, MD in 2017

Hypertension	75
High Cholesterol	52
Stroke	10
Ischemic Heart Disease	39
Depression	34
Chronic Kidney Disease	37
Asthma	12
Osteoperosis	12
Atrial Fibrilation	19
Heart Failure	25
Chronic Obstructive Pulmonary Disease	29
Diabetes	32
Dementia	20
Cancer	15

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Louis J. Mazzarelli, MD treated as a diagnostic radiologist in New London, CT during 2018 were CT scan, ultrasound (sonogram), brain imaging (neuroimaging) and abdominal imaging.

Volume of procedures performed by Dr. Louis J. Mazzarelli, MD for Medicare patients.

abdominal imaging	638
brain imaging (neuroimaging)	641
breast procedures	490
CT scan	1327
gastrointestinal procedures	14
hip imaging	61
MRI (magnetic resonance imaging)	566
musculoskeletal imaging	278
neck imaging	49
pelvic imaging	468
preventive care	309
spinal procedures	422
thoracic (chest) imaging	331
ultrasound (sonogram)	649
vascular procedures	225
women's imaging	490
X-rays	611

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Louis J. Mazzarelli, MD.

**Gender**
Male	1381
Female	2141

**Ethnicity**
Non-Hispanic White	3064
Black	124
Hispanic	182
Asian	32
Other	105
Native American	15

**Age**
From 65 to 74	1212
From 75 to 84	1128
85 and over	673
Less than 65	509

Conditions of Medicare patients treated by Dr. Louis J. Mazzarelli, MD in 2018

Hypertension	75
High Cholesterol	64
Stroke	9
Ischemic Heart Disease	34
Depression	34
Chronic Kidney Disease	37
Asthma	12
Osteoperosis	12
Atrial Fibrilation	19
Heart Failure	24
Chronic Obstructive Pulmonary Disease	26
Diabetes	31
Dementia	19
Cancer	16

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Louis J. Mazzarelli, MD treated as a diagnostic radiologist in New London, CT during 2019 were ultrasound (sonogram), CT scan, abdominal imaging and pelvic imaging.

Volume of procedures performed by Dr. Louis J. Mazzarelli, MD for Medicare patients.

abdominal imaging	1008
brain imaging (neuroimaging)	440
breast procedures	507
CT scan	1085
gastrointestinal procedures	11
hip imaging	30
MRI (magnetic resonance imaging)	258
musculoskeletal imaging	133
neck imaging	100
nuclear scan	16
pelvic imaging	691
preventive care	466
spinal procedures	218
thoracic (chest) imaging	221
ultrasound (sonogram)	1105
vascular procedures	472
women's imaging	532
X-rays	662

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Louis J. Mazzarelli, MD.

**Gender**
Male	1394
Female	2017

**Ethnicity**
Non-Hispanic White	2954
Black	131
Hispanic	192
Asian	40
Other	78
Native American	16

**Age**
From 65 to 74	1171
From 75 to 84	1197
85 and over	610
Less than 65	433

Conditions of Medicare patients treated by Dr. Louis J. Mazzarelli, MD in 2019

Hypertension	75
High Cholesterol	68
Stroke	9
Ischemic Heart Disease	35
Depression	32
Chronic Kidney Disease	40
Asthma	11
Osteoperosis	14
Atrial Fibrilation	17
Heart Failure	25
Chronic Obstructive Pulmonary Disease	26
Diabetes	31
Dementia	18
Cancer	18

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Louis J. Mazzarelli, MD treated as a diagnostic radiologist in New London, CT during 2020 were CT scan, ultrasound (sonogram), abdominal imaging and brain imaging (neuroimaging).

Volume of procedures performed by Dr. Louis J. Mazzarelli, MD for Medicare patients.

abdominal imaging	615
brain imaging (neuroimaging)	422
breast procedures	296
CT scan	956
hip imaging	25
MRI (magnetic resonance imaging)	218
musculoskeletal imaging	95
neck imaging	75
pelvic imaging	394
preventive care	194
spinal procedures	193
thoracic (chest) imaging	164
ultrasound (sonogram)	751
vascular procedures	244
women's imaging	309
X-rays	273

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Louis J. Mazzarelli, MD.

**Gender**
Male	1051
Female	1438

**Ethnicity**
Non-Hispanic White	2162
Black	89
Hispanic	122
Asian	0
Other	70
Native American	0

**Age**
From 65 to 74	878
From 75 to 84	827
85 and over	462
Less than 65	322

Conditions of Medicare patients treated by Dr. Louis J. Mazzarelli, MD in 2020

Hypertension	75
High Cholesterol	66
Stroke	11
Ischemic Heart Disease	38
Depression	35
Chronic Kidney Disease	45
Asthma	10
Osteoperosis	12
Atrial Fibrilation	19
Heart Failure	28
Chronic Obstructive Pulmonary Disease	26
Diabetes	33
Dementia	21
Cancer	19

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Louis J. Mazzarelli, MD treated as a diagnostic radiologist in New London, CT during 2021 were CT scan, ultrasound (sonogram), abdominal imaging and women's imaging.

Volume of procedures performed by Dr. Louis J. Mazzarelli, MD for Medicare patients.

abdominal imaging	815
brain imaging (neuroimaging)	440
breast procedures	583
CT scan	1111
hip imaging	13
MRI (magnetic resonance imaging)	186
musculoskeletal imaging	97
neck imaging	122
nuclear scan	14
pelvic imaging	488
preventive care	465
spinal procedures	192
thoracic (chest) imaging	239
ultrasound (sonogram)	1104
vascular procedures	341
women's imaging	614
X-rays	565

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Louis J. Mazzarelli, MD.

**Gender**
Male	1206
Female	1839

**Ethnicity**
Non-Hispanic White	2670
Black	110
Hispanic	135
Asian	26
Other	91
Native American	13

**Age**
From 65 to 74	1120
From 75 to 84	1043
85 and over	513
Less than 65	369

Conditions of Medicare patients treated by Dr. Louis J. Mazzarelli, MD in 2021

Hypertension	75
High Cholesterol	68
Stroke	9
Ischemic Heart Disease	34
Depression	32
Chronic Kidney Disease	40
Asthma	10
Osteoperosis	13
Atrial Fibrilation	17
Heart Failure	24
Chronic Obstructive Pulmonary Disease	22
Diabetes	28
Dementia	18
Cancer	18

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Louis J. Mazzarelli, MD treated as a diagnostic radiologist in New London, CT during 2022 were CT scan, ultrasound (sonogram), abdominal imaging and pelvic imaging.

Volume of procedures performed by Dr. Louis J. Mazzarelli, MD for Medicare patients.

abdominal imaging	759
brain imaging (neuroimaging)	426
breast procedures	261
CT scan	994
MRI (magnetic resonance imaging)	217
musculoskeletal imaging	118
neck imaging	88
nuclear scan	17
pelvic imaging	430
preventive care	187
spinal procedures	182
thoracic (chest) imaging	232
ultrasound (sonogram)	954
vascular procedures	274
women's imaging	278
X-rays	334

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Louis J. Mazzarelli, MD.

**Gender**
Male	1162
Female	1595

**Ethnicity**
Non-Hispanic White	2403
Black	93
Hispanic	110
Asian	36
Other	103
Native American	12

**Age**
From 65 to 74	1008
From 75 to 84	999
85 and over	480
Less than 65	270

Conditions of Medicare patients treated by Dr. Louis J. Mazzarelli, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	16
Ischemic Heart Disease	30
Depression	30
Chronic Kidney Disease	29
Asthma	14
Osteoperosis	20
Atrial Fibrilation	26
Heart Failure	23
Chronic Obstructive Pulmonary Disease	29
Diabetes	30
Dementia	13
Cancer	23

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Louis J. Mazzarelli, MD for Medicare patients.

The highest averages for the top procedures that Dr. Louis J. Mazzarelli, MD treated as a diagnostic radiologist in New London, CT were X-rays, CT scan, thoracic (chest) imaging and abdominal imaging.

abdominal imaging	647
brain imaging (neuroimaging)	534
breast procedures	356
CT scan	1048
diagnostic imaging	65
gastrointestinal procedures	17
hip imaging	80
MRI (magnetic resonance imaging)	417
musculoskeletal imaging	218
neck imaging	56
nuclear scan	25
pelvic imaging	443
preventive care	262
spinal procedures	325
thoracic (chest) imaging	933
ultrasound (sonogram)	629
vascular procedures	237
vertebral fracture assessment (VFA)	26
women's imaging	366
X-rays	1319

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Louis J. Mazzarelli, MD.

**Gender**
Male	1294
Female	1926

**Ethnicity**
Black / African American	150
Asian / Pacific Islander	33
Non-Hispanic White	2768
Native American / Alaskan Native	15
Hispanic	170
Other	78

**Age**
75 to 84	1019
85 and over	614
Less than 65	482
65 to 74	1104

Average of Total of Conditions of Medicare patients treated by Dr. Louis J. Mazzarelli, MD From 2012 - 2022

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

Hypertension	68
High Cholesterol	58
Stroke	9
Ischemic Heart Disease	33
Depression	30
Chronic Kidney Disease	32
Asthma	13
Osteoporosis	12
Heart Failure	22
Chronic Obstructive Pulmonary Disease	24
Diabetes	28
Atrial Fibrillation	17
Dementia	16
Cancer	16

Education & Training

Dr. Louis J. Mazzarelli, MD graduated from Albert Einstein College of Medicine of Yeshiva University. He completed residency at New York-Presbyterian Hospital. He has a state license in New York.

Medical School: Albert Einstein College of Medicine of Yeshiva University

Residency: New York-Presbyterian Hospital

Licensed In: New York

Affiliations & Hospitals

Dr. Louis J. Mazzarelli, MD is associated with these hospitals and organizations:

Lawrence + Memorial Hospital

Yale New Haven Health

Ratings & Reviews

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General Payments

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

**Payments by Company**
Lilly USA, LLC	$17,962 AMYVID $17,763	$199
Siemens Medical Solutions USA, Inc.	$10,699 Cerianna $3,868	SOMATOM Edge $168	Biograph mCT X-4R $153	$6,510
Avid Radiopharmaceuticals, Inc.	$4,510 $4,510
Blue Earth Diagnostics Limited	$1,961 Axumin $911	$1,050
GE Healthcare	$500 $500
Other	$853 (8362) US Enabling function $360	ISOVUE $155	Xofigo $92	PYLARIFY $80	ILLUCCIX $29	Other $137

**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	$20,003
Consulting Fee	$8,662
Travel and Lodging	$4,250
Food and Beverage	$2,144
Honoraria	$1,410
Other	$15

Biography

Dr. Louis Mazzarelli is a medical specialist in diagnostic radiology. After completing medical school at Albert Einstein College of Medicine of Yeshiva University, he performed his residency at New York-Presbyterian Hospital. Dr. Mazzarelli is affiliated with Lawrence + Memorial Hospital. He is not accepting new patients at this time according to Lawrence + Memorial Hospital.