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Dr. Mazen S. Duwaji, MD

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Specializes in: Pathology

88 Washington Street
Taunton, MA 02780

(508) 828-7240

Dr. Mazen S. Duwaji, MD is a pathologist in Brighton, MA specializing in pathology. Dr. Mazen S. Duwaji, MD is affiliated with Brown University Health, St. Anne's Hospital, Morton Hospital and LIFESPAN PHYSICIAN GROUP OF MASSACHUSETTS INC.

Office Locations

736 Cambridge Street
Brighton, MA 02135

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88 Washington Street
Taunton, MA 02780

(508) 828-7240

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150 York Street
Stoughton, MA 02072

(781) 344-0600

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200 Groton Road
Ayer, MA 01432

(978) 784-9270

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2100 Dorchester Avenue
Dorchester, MA 02124

(617) 296-4000

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235 N Pearl Street
Brockton, MA 02301

(508) 427-3000

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70 East Street
Methuen, MA 01844

(978) 687-0151

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795 Middle Street
Fall River, MA 02721

(508) 674-5600

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800 Washington Street
Norwood, MA 02062

(781) 769-4000

(781) 551-0619

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Noteworthy Medicare Patient Procedures Performed by Dr. Mazen S. Duwaji, MD in 2024

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

Top 5%

By Affordability:

lab tests

special stains

In 2024, Dr. Mazen S. Duwaji, MD had a list price for lab tests, and special stains that was lower than the list prices billed to Medicare by 95% 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.

Top 10%

By Affordability:

cytology

immunohistochemistry test

liquid-based cytology

non-gynecologic cytology

non-gynecologic liquid-based cytology

In 2024, Dr. Mazen S. Duwaji, MD had a list price for cytology, immunohistochemistry (IHC) test, liquid-based cytology (ThinPrep), non-gynecologic cytology, and non-gynecologic liquid-based cytology that was lower than the list prices billed to Medicare by 90% 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.

Top 25%

By Affordability:

cytology of non-gynecologic brushing

cytology of non-gynecologic fluid

cytology of non-gynecologic washing

direct smear of non-gynecologic specimen

In 2012, Dr. Mazen S. Duwaji, MD had a list price for cytology of non-gynecologic brushing, cytology of non-gynecologic fluid, cytology of non-gynecologic washing, and direct smear of non-gynecologic specimen 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. Mazen S. Duwaji, MD treated as a pathologist in Brighton, MA during 2012 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Mazen S. Duwaji, MD for Medicare patients.

consultation	44
cytology	45
lab tests	543

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Mazen S. Duwaji, MD treated as a pathologist in Brighton, MA during 2013 were lab tests and cytology.

Volume of procedures performed by Dr. Mazen S. Duwaji, MD for Medicare patients.

cytology	61
lab tests	635

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Mazen S. Duwaji, MD.

**Gender**
Male	277
Female	408

**Ethnicity**
Non-Hispanic White	654
Black	12
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	275
From 75 to 84	217
85 and over	96
Less than 65	97

Conditions of Medicare patients treated by Dr. Mazen S. Duwaji, MD in 2013

Hypertension	73
High Cholesterol	61
Stroke	5
Ischemic Heart Disease	35
Depression	24
Chronic Kidney Disease	24
Asthma	8
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	20
Chronic Obstructive Pulmonary Disease	16
Diabetes	29
Dementia	12
Cancer	20

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Mazen S. Duwaji, MD treated as a pathologist in Brighton, MA during 2014 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Mazen S. Duwaji, MD for Medicare patients.

consultation	28
cytology	31
lab tests	453

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Mazen S. Duwaji, MD.

**Gender**
Male	297
Female	399

**Ethnicity**
Non-Hispanic White	652
Black	0
Hispanic	15
Asian	0
Other	15
Native American	0

**Age**
From 65 to 74	314
From 75 to 84	211
85 and over	81
Less than 65	90

Conditions of Medicare patients treated by Dr. Mazen S. Duwaji, MD in 2014

Hypertension	69
High Cholesterol	63
Stroke	4
Ischemic Heart Disease	33
Depression	24
Chronic Kidney Disease	24
Asthma	9
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	21
Chronic Obstructive Pulmonary Disease	16
Diabetes	30
Dementia	10
Cancer	20

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Mazen S. Duwaji, MD treated as a pathologist in Brighton, MA during 2015 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Mazen S. Duwaji, MD for Medicare patients.

consultation	34
cytology	86
lab tests	532

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Mazen S. Duwaji, MD.

**Gender**
Male	722
Female	1048

**Ethnicity**
Non-Hispanic White	1652
Black	0
Hispanic	40
Asian	0
Other	44
Native American	0

**Age**
From 65 to 74	794
From 75 to 84	554
85 and over	204
Less than 65	218

Conditions of Medicare patients treated by Dr. Mazen S. Duwaji, MD in 2015

Hypertension	74
High Cholesterol	63
Stroke	4
Ischemic Heart Disease	33
Depression	24
Chronic Kidney Disease	23
Asthma	14
Osteoperosis	11
Atrial Fibrilation	13
Heart Failure	21
Chronic Obstructive Pulmonary Disease	17
Diabetes	29
Dementia	9
Cancer	21

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Mazen S. Duwaji, MD treated as a pathologist in Brighton, MA during 2016 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Mazen S. Duwaji, MD for Medicare patients.

consultation	21
cytology	74
lab tests	536

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Mazen S. Duwaji, MD.

**Gender**
Male	363
Female	530

**Ethnicity**
Non-Hispanic White	836
Black	20
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	371
From 75 to 84	287
85 and over	100
Less than 65	135

Conditions of Medicare patients treated by Dr. Mazen S. Duwaji, MD in 2016

Hypertension	73
High Cholesterol	61
Stroke	5
Ischemic Heart Disease	39
Depression	24
Chronic Kidney Disease	29
Asthma	25
Osteoperosis	7
Atrial Fibrilation	14
Heart Failure	21
Chronic Obstructive Pulmonary Disease	21
Diabetes	28
Dementia	11
Cancer	18

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Mazen S. Duwaji, MD treated as a pathologist in Brighton, MA during 2017 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Mazen S. Duwaji, MD for Medicare patients.

consultation	19
cytology	83
lab tests	488

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Mazen S. Duwaji, MD.

**Gender**
Male	375
Female	458

**Ethnicity**
Non-Hispanic White	784
Black	12
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	332
From 75 to 84	292
85 and over	99
Less than 65	110

Conditions of Medicare patients treated by Dr. Mazen S. Duwaji, MD in 2017

Hypertension	75
High Cholesterol	51
Stroke	7
Ischemic Heart Disease	37
Depression	25
Chronic Kidney Disease	32
Asthma	10
Osteoperosis	7
Atrial Fibrilation	17
Heart Failure	22
Chronic Obstructive Pulmonary Disease	20
Diabetes	33
Dementia	12
Cancer	20

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Mazen S. Duwaji, MD treated as a pathologist in Brighton, MA during 2018 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Mazen S. Duwaji, MD for Medicare patients.

consultation	12
cytology	59
lab tests	671

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Mazen S. Duwaji, MD.

**Gender**
Male	403
Female	526

**Ethnicity**
Non-Hispanic White	869
Black	17
Hispanic	0
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	407
From 75 to 84	318
85 and over	102
Less than 65	102

Conditions of Medicare patients treated by Dr. Mazen S. Duwaji, MD in 2018

Hypertension	73
High Cholesterol	66
Stroke	7
Ischemic Heart Disease	34
Depression	27
Chronic Kidney Disease	29
Asthma	9
Osteoperosis	7
Atrial Fibrilation	14
Heart Failure	18
Chronic Obstructive Pulmonary Disease	20
Diabetes	30
Dementia	11
Cancer	18

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Mazen S. Duwaji, MD treated as a pathologist in Brighton, MA during 2019 were lab tests and cytology.

Volume of procedures performed by Dr. Mazen S. Duwaji, MD for Medicare patients.

cytology	68
lab tests	630

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Mazen S. Duwaji, MD.

**Gender**
Male	417
Female	462

**Ethnicity**
Non-Hispanic White	822
Black	0
Hispanic	13
Asian	0
Other	25
Native American	0

**Age**
From 65 to 74	387
From 75 to 84	266
85 and over	107
Less than 65	119

Conditions of Medicare patients treated by Dr. Mazen S. Duwaji, MD in 2019

Hypertension	75
High Cholesterol	67
Stroke	6
Ischemic Heart Disease	31
Depression	30
Chronic Kidney Disease	30
Asthma	10
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	19
Chronic Obstructive Pulmonary Disease	18
Diabetes	30
Dementia	10
Cancer	18

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Mazen S. Duwaji, MD treated as a pathologist in Brighton, MA during 2020 were lab tests and cytology.

Volume of procedures performed by Dr. Mazen S. Duwaji, MD for Medicare patients.

cytology	26
lab tests	336

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Mazen S. Duwaji, MD.

**Gender**
Male	272
Female	278

**Ethnicity**
Non-Hispanic White	485
Black	0
Hispanic	30
Asian	0
Other	19
Native American	0

**Age**
From 65 to 74	245
From 75 to 84	179
85 and over	50
Less than 65	76

Conditions of Medicare patients treated by Dr. Mazen S. Duwaji, MD in 2020

Hypertension	72
High Cholesterol	74
Stroke	7
Ischemic Heart Disease	29
Depression	32
Chronic Kidney Disease	33
Asthma	12
Osteoperosis	8
Atrial Fibrilation	15
Heart Failure	18
Chronic Obstructive Pulmonary Disease	16
Diabetes	29
Dementia	9
Cancer	16

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Mazen S. Duwaji, MD treated as a pathologist in Brighton, MA during 2021 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Mazen S. Duwaji, MD for Medicare patients.

consultation	57
cytology	117
lab tests	347

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Mazen S. Duwaji, MD.

**Gender**
Male	368
Female	399

**Ethnicity**
Non-Hispanic White	686
Black	0
Hispanic	39
Asian	0
Other	23
Native American	0

**Age**
From 65 to 74	352
From 75 to 84	243
85 and over	40
Less than 65	132

Conditions of Medicare patients treated by Dr. Mazen S. Duwaji, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	29
Depression	33
Chronic Kidney Disease	37
Asthma	12
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	17
Chronic Obstructive Pulmonary Disease	23
Diabetes	35
Dementia	9
Cancer	19

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Mazen S. Duwaji, MD treated as a pathologist in Brighton, MA during 2022 were lab tests, cytology and consultation.

Volume of procedures performed by Dr. Mazen S. Duwaji, MD for Medicare patients.

consultation	20
cytology	109
lab tests	324

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Mazen S. Duwaji, MD.

**Gender**
Male	323
Female	371

**Ethnicity**
Non-Hispanic White	613
Black	0
Hispanic	41
Asian	0
Other	26
Native American	0

**Age**
From 65 to 74	305
From 75 to 84	242
85 and over	47
Less than 65	100

Conditions of Medicare patients treated by Dr. Mazen S. Duwaji, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	10
Ischemic Heart Disease	25
Depression	32
Chronic Kidney Disease	28
Asthma	16
Osteoperosis	13
Atrial Fibrilation	22
Heart Failure	17
Chronic Obstructive Pulmonary Disease	30
Diabetes	36
Dementia	7
Cancer	21

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Mazen S. Duwaji, MD treated as a pathologist in Brighton, MA during 2023 were lab tests and cytology.

Volume of procedures performed by Dr. Mazen S. Duwaji, MD for Medicare patients.

cytology	66
lab tests	261

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Mazen S. Duwaji, MD.

**Gender**
Male	182
Female	216

**Ethnicity**
Non-Hispanic White	353
Black	0
Hispanic	18
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	171
From 75 to 84	139
85 and over	33
Less than 65	55

Conditions of Medicare patients treated by Dr. Mazen S. Duwaji, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	13
Ischemic Heart Disease	28
Depression	35
Chronic Kidney Disease	28
Asthma	19
Osteoperosis	14
Atrial Fibrilation	23
Heart Failure	19
Chronic Obstructive Pulmonary Disease	32
Diabetes	37
Dementia	9
Cancer	26

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Mazen S. Duwaji, MD treated as a pathologist in Brighton, MA during 2024 were lab tests and cytology.

Volume of procedures performed by Dr. Mazen S. Duwaji, MD for Medicare patients.

cytology	54
lab tests	188

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Mazen S. Duwaji, MD.

**Gender**
Male	164
Female	171

**Ethnicity**
Non-Hispanic White	308
Black	0
Hispanic	13
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	149
From 75 to 84	102
85 and over	37
Less than 65	47

Conditions of Medicare patients treated by Dr. Mazen S. Duwaji, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	30
Depression	31
Chronic Kidney Disease	30
Asthma	16
Osteoperosis	11
Atrial Fibrilation	24
Heart Failure	19
Chronic Obstructive Pulmonary Disease	26
Diabetes	35
Dementia	9
Cancer	21

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Mazen S. Duwaji, MD for Medicare patients.

The highest averages for the top procedures that Dr. Mazen S. Duwaji, MD treated as a pathologist in Brighton, MA were lab tests, cytology and consultation.

consultation	29
cytology	67
lab tests	457

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Mazen S. Duwaji, MD.

**Gender**
Male	320
Female	405

**Ethnicity**
Black / African American	4
Asian / Pacific Islander	0
Non-Hispanic White	670
Hispanic	16
Native American / Alaskan Native	0
Other	17

**Age**
75 to 84	234
85 and over	76
Less than 65	98
65 to 74	315

Average of Total of Conditions of Medicare patients treated by Dr. Mazen S. Duwaji, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Mazen S. Duwaji, MD treated were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension	68
High Cholesterol	62
Stroke	6
Ischemic Heart Disease	29
Depression	26
Chronic Kidney Disease	26
Asthma	12
Osteoporosis	8
Heart Failure	17
Chronic Obstructive Pulmonary Disease	19
Diabetes	29
Atrial Fibrillation	14
Cancer	18
Dementia	9

Education & Training

He completed residency at UMass Memorial Medical Center. He has a state license in Massachusetts.

Residency: UMass Memorial Medical Center

Licensed In: Massachusetts

Ratings & Reviews

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Biography

Dr. Mazen Duwaji is a specialist in pathology in Stoughton, MA, Brockton, MA, and Taunton, MA. Dr. Duwaji's residency was performed at UMass Memorial Medical Center. His professional affiliations include Brown University Health, Morton Hospital, and St. Anne's Hospital.