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Home > NY Providers

Dr. Zhi-Wei Ma, MD

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Specializes in: Pathology

1000 Montauk Highway Department of Pathology
West Islip, NY 11795

(631) 376-3990

Dr. Zhi-Wei Ma, MD is a pathologist in West Islip, NY specializing in pathology.

Office Locations

1000 Montauk Highway Department of Pathology
West Islip, NY 11795

(631) 376-3990

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Noteworthy Medicare Patient Procedures Performed by Dr. Zhi-Wei Ma, MD in 2023

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

Top 10%

By Affordability:

second opinions

slide consultation

In 2023, Dr. Zhi-Wei Ma, MD had a list price for second opinions, and slide consultation that was lower than the list prices billed to Medicare by 90% of providers in related specialties within New York. 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:

consultation

immunohistochemistry test

intraoperative pathology consultation

lab tests

In 2012, Dr. Zhi-Wei Ma, MD had a list price for consultation, immunohistochemistry (IHC) test, intraoperative pathology consultation, and lab tests that was lower than the list prices billed to Medicare by 75% of providers in related specialties within New York. 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. Zhi-Wei Ma, MD treated as a pathologist in West Islip, NY during 2012 were cytology, lab tests, consultation and second opinions.

Volume of procedures performed by Dr. Zhi-Wei Ma, MD for Medicare patients.

consultation	90
cytology	362
lab tests	104
second opinions	16

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Zhi-Wei Ma, MD treated as a pathologist in West Islip, NY during 2013 were cytology, lab tests, consultation and second opinions.

Volume of procedures performed by Dr. Zhi-Wei Ma, MD for Medicare patients.

consultation	93
cytology	267
lab tests	115
second opinions	12

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Zhi-Wei Ma, MD.

**Gender**
Male	365
Female	509

**Ethnicity**
Non-Hispanic White	763
Black	47
Hispanic	45
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	344
From 75 to 84	280
85 and over	118
Less than 65	132

Conditions of Medicare patients treated by Dr. Zhi-Wei Ma, MD in 2013

Hypertension	75
High Cholesterol	70
Stroke	8
Ischemic Heart Disease	54
Depression	23
Chronic Kidney Disease	34
Asthma	11
Osteoperosis	13
Atrial Fibrilation	18
Heart Failure	26
Chronic Obstructive Pulmonary Disease	24
Diabetes	44
Dementia	13
Cancer	26

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Zhi-Wei Ma, MD treated as a pathologist in West Islip, NY during 2014 were cytology, lab tests, consultation and second opinions.

Volume of procedures performed by Dr. Zhi-Wei Ma, MD for Medicare patients.

consultation	80
cytology	364
lab tests	108
second opinions	11

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Zhi-Wei Ma, MD.

**Gender**
Male	425
Female	486

**Ethnicity**
Non-Hispanic White	798
Black	44
Hispanic	41
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	406
From 75 to 84	272
85 and over	120
Less than 65	113

Conditions of Medicare patients treated by Dr. Zhi-Wei Ma, MD in 2014

Hypertension	75
High Cholesterol	69
Stroke	8
Ischemic Heart Disease	53
Depression	22
Chronic Kidney Disease	33
Asthma	9
Osteoperosis	10
Atrial Fibrilation	20
Heart Failure	28
Chronic Obstructive Pulmonary Disease	24
Diabetes	44
Dementia	12
Cancer	26

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Zhi-Wei Ma, MD treated as a pathologist in West Islip, NY during 2015 were cytology, lab tests, consultation and second opinions.

Volume of procedures performed by Dr. Zhi-Wei Ma, MD for Medicare patients.

consultation	73
cytology	439
lab tests	120
second opinions	12

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Zhi-Wei Ma, MD.

**Gender**
Male	866
Female	970

**Ethnicity**
Non-Hispanic White	1574
Black	106
Hispanic	104
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	716
From 75 to 84	614
85 and over	272
Less than 65	234

Conditions of Medicare patients treated by Dr. Zhi-Wei Ma, MD in 2015

Hypertension	75
High Cholesterol	73
Stroke	9
Ischemic Heart Disease	55
Depression	23
Chronic Kidney Disease	41
Asthma	23
Osteoperosis	9
Atrial Fibrilation	25
Heart Failure	34
Chronic Obstructive Pulmonary Disease	30
Diabetes	51
Dementia	15
Cancer	28

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Zhi-Wei Ma, MD treated as a pathologist in West Islip, NY during 2016 were cytology, lab tests, consultation and second opinions.

Volume of procedures performed by Dr. Zhi-Wei Ma, MD for Medicare patients.

consultation	92
cytology	403
lab tests	235
second opinions	15

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Zhi-Wei Ma, MD.

**Gender**
Male	544
Female	604

**Ethnicity**
Non-Hispanic White	1003
Black	65
Hispanic	47
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	475
From 75 to 84	369
85 and over	180
Less than 65	124

Conditions of Medicare patients treated by Dr. Zhi-Wei Ma, MD in 2016

Hypertension	75
High Cholesterol	70
Stroke	9
Ischemic Heart Disease	57
Depression	26
Chronic Kidney Disease	43
Asthma	30
Osteoperosis	9
Atrial Fibrilation	23
Heart Failure	33
Chronic Obstructive Pulmonary Disease	27
Diabetes	48
Dementia	17
Cancer	26

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Zhi-Wei Ma, MD treated as a pathologist in West Islip, NY during 2017 were cytology, lab tests, consultation and second opinions.

Volume of procedures performed by Dr. Zhi-Wei Ma, MD for Medicare patients.

consultation	103
cytology	311
lab tests	135
second opinions	28

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Zhi-Wei Ma, MD.

**Gender**
Male	454
Female	557

**Ethnicity**
Non-Hispanic White	883
Black	44
Hispanic	42
Asian	17
Other	25
Native American	0

**Age**
From 65 to 74	419
From 75 to 84	331
85 and over	156
Less than 65	105

Conditions of Medicare patients treated by Dr. Zhi-Wei Ma, MD in 2017

Hypertension	75
High Cholesterol	70
Stroke	8
Ischemic Heart Disease	56
Depression	30
Chronic Kidney Disease	45
Asthma	12
Osteoperosis	9
Atrial Fibrilation	24
Heart Failure	32
Chronic Obstructive Pulmonary Disease	27
Diabetes	47
Dementia	18
Cancer	26

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Zhi-Wei Ma, MD treated as a pathologist in West Islip, NY during 2018 were cytology, consultation, second opinions and lab tests.

Volume of procedures performed by Dr. Zhi-Wei Ma, MD for Medicare patients.

consultation	89
cytology	326
lab tests	11
second opinions	23

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Zhi-Wei Ma, MD.

**Gender**
Male	478
Female	537

**Ethnicity**
Non-Hispanic White	864
Black	63
Hispanic	47
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	394
From 75 to 84	350
85 and over	150
Less than 65	121

Conditions of Medicare patients treated by Dr. Zhi-Wei Ma, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	55
Depression	29
Chronic Kidney Disease	48
Asthma	10
Osteoperosis	10
Atrial Fibrilation	24
Heart Failure	34
Chronic Obstructive Pulmonary Disease	31
Diabetes	49
Dementia	19
Cancer	29

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Zhi-Wei Ma, MD treated as a pathologist in West Islip, NY during 2019 were cytology, consultation and second opinions.

Volume of procedures performed by Dr. Zhi-Wei Ma, MD for Medicare patients.

consultation	113
cytology	214
second opinions	25

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Zhi-Wei Ma, MD.

**Gender**
Male	459
Female	0

**Ethnicity**
Non-Hispanic White	845
Black	68
Hispanic	55
Asian	20
Other	28
Native American	0

**Age**
From 65 to 74	421
From 75 to 84	353
85 and over	130
Less than 65	112

Conditions of Medicare patients treated by Dr. Zhi-Wei Ma, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	56
Depression	29
Chronic Kidney Disease	45
Asthma	11
Osteoperosis	11
Atrial Fibrilation	23
Heart Failure	31
Chronic Obstructive Pulmonary Disease	25
Diabetes	46
Dementia	15
Cancer	25

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Zhi-Wei Ma, MD treated as a pathologist in West Islip, NY during 2020 were cytology, consultation and second opinions.

Volume of procedures performed by Dr. Zhi-Wei Ma, MD for Medicare patients.

consultation	58
cytology	201
second opinions	27

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Zhi-Wei Ma, MD.

**Gender**
Male	345
Female	397

**Ethnicity**
Non-Hispanic White	636
Black	41
Hispanic	29
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	300
From 75 to 84	265
85 and over	107
Less than 65	70

Conditions of Medicare patients treated by Dr. Zhi-Wei Ma, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	57
Depression	26
Chronic Kidney Disease	47
Asthma	11
Osteoperosis	11
Atrial Fibrilation	24
Heart Failure	33
Chronic Obstructive Pulmonary Disease	24
Diabetes	44
Dementia	19
Cancer	28

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Zhi-Wei Ma, MD treated as a pathologist in West Islip, NY during 2021 were cytology, lab tests, consultation and second opinions.

Volume of procedures performed by Dr. Zhi-Wei Ma, MD for Medicare patients.

consultation	65
cytology	256
lab tests	99
second opinions	28

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Zhi-Wei Ma, MD.

**Gender**
Male	378
Female	446

**Ethnicity**
Non-Hispanic White	707
Black	37
Hispanic	39
Asian	0
Other	29
Native American	0

**Age**
From 65 to 74	342
From 75 to 84	309
85 and over	101
Less than 65	72

Conditions of Medicare patients treated by Dr. Zhi-Wei Ma, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	59
Depression	25
Chronic Kidney Disease	47
Asthma	11
Osteoperosis	13
Atrial Fibrilation	23
Heart Failure	33
Chronic Obstructive Pulmonary Disease	26
Diabetes	42
Dementia	15
Cancer	30

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Zhi-Wei Ma, MD treated as a pathologist in West Islip, NY during 2022 were cytology, lab tests, consultation and second opinions.

Volume of procedures performed by Dr. Zhi-Wei Ma, MD for Medicare patients.

consultation	51
cytology	144
lab tests	74
second opinions	27

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Zhi-Wei Ma, MD.

**Gender**
Male	303
Female	426

**Ethnicity**
Non-Hispanic White	602
Black	48
Hispanic	42
Asian	11
Other	26
Native American	0

**Age**
From 65 to 74	298
From 75 to 84	266
85 and over	109
Less than 65	56

Conditions of Medicare patients treated by Dr. Zhi-Wei Ma, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	17
Ischemic Heart Disease	48
Depression	24
Chronic Kidney Disease	30
Asthma	13
Osteoperosis	20
Atrial Fibrilation	27
Heart Failure	26
Chronic Obstructive Pulmonary Disease	23
Diabetes	40
Dementia	14
Cancer	33

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Zhi-Wei Ma, MD for Medicare patients.

The highest averages for the top procedures that Dr. Zhi-Wei Ma, MD treated as a pathologist in West Islip, NY were cytology, lab tests, consultation and second opinions.

consultation	82
cytology	298
lab tests	111
second opinions	20

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Zhi-Wei Ma, MD.

**Gender**
Male	419
Female	448

**Ethnicity**
Black / African American	51
Asian / Pacific Islander	4
Non-Hispanic White	788
Native American / Alaskan Native	0
Hispanic	44
Other	13

**Age**
75 to 84	309
85 and over	131
Less than 65	103
65 to 74	374

Average of Total of Conditions of Medicare patients treated by Dr. Zhi-Wei Ma, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Zhi-Wei Ma, MD treated were hypertension, high cholesterol, ischemic heart disease and diabetes.

Hypertension	68
High Cholesterol	66
Stroke	8
Ischemic Heart Disease	50
Depression	23
Chronic Kidney Disease	37
Asthma	12
Osteoporosis	10
Heart Failure	28
Chronic Obstructive Pulmonary Disease	23
Diabetes	41
Atrial Fibrillation	21
Dementia	14
Cancer	25

Education & Training

He has a state license in New York.

Licensed In: New York

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Zhi-Wei Ma, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Boehringer Ingelheim Pharmaceuticals, Inc.	$119 Gilotrif $119
Merck Sharp & Dohme Corporation	$99 KEYTRUDA $99

**Types of Payments**
Food and Beverage	$218

Biography

Dr. Zhi-Wei Ma practices pathology in West Islip, NY. Dr. Ma obtained a license to practice in New York.

Select Year:

Dr. Zhi-Wei Ma, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Zhi-Wei Ma, MD in 2023

By Affordability:

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. Zhi-Wei Ma, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Zhi-Wei Ma, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Zhi-Wei Ma, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Zhi-Wei Ma, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Zhi-Wei Ma, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Zhi-Wei Ma, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Zhi-Wei Ma, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Zhi-Wei Ma, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Zhi-Wei Ma, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Zhi-Wei Ma, 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. Zhi-Wei Ma, MD From 2012 - 2022

Education & Training

Ratings & Reviews

General Payments

Biography