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Dr. Jack M. Greenwood, MD

(6 Ratings)

Specializes in: Pediatric Neurology

120 N Country Road
Port Jefferson, NY 11777

(631) 474-0444

Dr. Jack M. Greenwood, MD is a pediatric neurologist in Port Jefferson, NY specializing in pediatric neurology.

Office Locations

120 N Country Road
Port Jefferson, NY 11777

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Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Jack M. Greenwood, MD treated as a pediatric neurologist in Port Jefferson, NY during 2012 were diagnostic procedures and electroencephalography (EEG).

Volume of procedures performed by Dr. Jack M. Greenwood, MD for Medicare patients.

diagnostic procedures	13460
doctor visit	472
electroencephalography (EEG)	12

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Jack M. Greenwood, MD treated as a pediatric neurologist in Port Jefferson, NY during 2013 were diagnostic procedures and electroencephalography (EEG).

Volume of procedures performed by Dr. Jack M. Greenwood, MD for Medicare patients.

diagnostic procedures	367
doctor visit	440
electroencephalography (EEG)	12

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Jack M. Greenwood, MD.

**Gender**
Male	394
Female	527

**Ethnicity**
Non-Hispanic White	611
Black	101
Hispanic	117
Asian	52
Other	0
Native American	0

**Age**
From 65 to 74	334
From 75 to 84	321
85 and over	155
Less than 65	111

Conditions of Medicare patients treated by Dr. Jack M. Greenwood, MD in 2013

Hypertension	75
High Cholesterol	73
Stroke	11
Ischemic Heart Disease	55
Depression	24
Chronic Kidney Disease	23
Asthma	9
Osteoperosis	13
Atrial Fibrilation	10
Heart Failure	32
Chronic Obstructive Pulmonary Disease	18
Diabetes	62
Dementia	24
Cancer	12

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Jack M. Greenwood, MD treated as a pediatric neurologist in Port Jefferson, NY during 2014 were diagnostic procedures and electroencephalography (EEG).

Volume of procedures performed by Dr. Jack M. Greenwood, MD for Medicare patients.

diagnostic procedures	157
doctor visit	430
electroencephalography (EEG)	17

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Jack M. Greenwood, MD.

**Gender**
Male	263
Female	304

**Ethnicity**
Non-Hispanic White	393
Black	86
Hispanic	64
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	196
From 75 to 84	204
85 and over	103
Less than 65	64

Conditions of Medicare patients treated by Dr. Jack M. Greenwood, MD in 2014

Hypertension	75
High Cholesterol	69
Stroke	14
Ischemic Heart Disease	58
Depression	28
Chronic Kidney Disease	28
Asthma	9
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	34
Chronic Obstructive Pulmonary Disease	18
Diabetes	56
Dementia	32
Cancer	11

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Jack M. Greenwood, MD treated as a pediatric neurologist in Port Jefferson, NY during 2015 were diagnostic procedures.

Volume of procedures performed by Dr. Jack M. Greenwood, MD for Medicare patients.

diagnostic procedures	110
doctor visit	428

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Jack M. Greenwood, MD.

**Gender**
Male	548
Female	704

**Ethnicity**
Non-Hispanic White	860
Black	162
Hispanic	144
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	416
From 75 to 84	440
85 and over	276
Less than 65	120

Conditions of Medicare patients treated by Dr. Jack M. Greenwood, MD in 2015

Hypertension	75
High Cholesterol	66
Stroke	16
Ischemic Heart Disease	57
Depression	35
Chronic Kidney Disease	29
Asthma	14
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	31
Chronic Obstructive Pulmonary Disease	16
Diabetes	53
Dementia	40
Cancer	11

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Jack M. Greenwood, MD treated as a pediatric neurologist in Port Jefferson, NY during 2016 were diagnostic procedures and electroencephalography (EEG).

Volume of procedures performed by Dr. Jack M. Greenwood, MD for Medicare patients.

diagnostic procedures	134
doctor visit	401
electroencephalography (EEG)	11

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Jack M. Greenwood, MD.

**Gender**
Male	281
Female	358

**Ethnicity**
Non-Hispanic White	410
Black	109
Hispanic	84
Asian	17
Other	19
Native American	0

**Age**
From 65 to 74	233
From 75 to 84	223
85 and over	120
Less than 65	63

Conditions of Medicare patients treated by Dr. Jack M. Greenwood, MD in 2016

Hypertension	75
High Cholesterol	67
Stroke	13
Ischemic Heart Disease	55
Depression	36
Chronic Kidney Disease	34
Asthma	19
Osteoperosis	10
Atrial Fibrilation	11
Heart Failure	29
Chronic Obstructive Pulmonary Disease	17
Diabetes	56
Dementia	35
Cancer	11

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Jack M. Greenwood, MD treated as a pediatric neurologist in Port Jefferson, NY during 2017 were diagnostic procedures.

Volume of procedures performed by Dr. Jack M. Greenwood, MD for Medicare patients.

diagnostic procedures	17
doctor visit	356

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Jack M. Greenwood, MD.

**Gender**
Male	160
Female	185

**Ethnicity**
Non-Hispanic White	237
Black	50
Hispanic	29
Asian	14
Other	0
Native American	0

**Age**
From 65 to 74	123
From 75 to 84	113
85 and over	67
Less than 65	42

Conditions of Medicare patients treated by Dr. Jack M. Greenwood, MD in 2017

Hypertension	75
High Cholesterol	58
Stroke	15
Ischemic Heart Disease	43
Depression	34
Chronic Kidney Disease	31
Asthma	9
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	26
Chronic Obstructive Pulmonary Disease	12
Diabetes	51
Dementia	30
Cancer	14

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Jack M. Greenwood, MD treated as a pediatric neurologist in Port Jefferson, NY during 2018 were diagnostic procedures.

Volume of procedures performed by Dr. Jack M. Greenwood, MD for Medicare patients.

diagnostic procedures	44
doctor visit	300

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Jack M. Greenwood, MD.

**Gender**
Male	157
Female	214

**Ethnicity**
Non-Hispanic White	222
Black	71
Hispanic	56
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	146
From 75 to 84	120
85 and over	49
Less than 65	56

Conditions of Medicare patients treated by Dr. Jack M. Greenwood, MD in 2018

Hypertension	75
High Cholesterol	70
Stroke	10
Ischemic Heart Disease	44
Depression	25
Chronic Kidney Disease	33
Asthma	9
Osteoperosis	14
Atrial Fibrilation	8
Heart Failure	23
Chronic Obstructive Pulmonary Disease	12
Diabetes	51
Dementia	18
Cancer	10

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Jack M. Greenwood, MD treated as a pediatric neurologist in Port Jefferson, NY during 2019 were diagnostic procedures.

Volume of procedures performed by Dr. Jack M. Greenwood, MD for Medicare patients.

diagnostic procedures	20
doctor visit	270

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Jack M. Greenwood, MD.

**Gender**
Male	151
Female	173

**Ethnicity**
Non-Hispanic White	226
Black	43
Hispanic	27
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	123
From 75 to 84	127
85 and over	34
Less than 65	40

Conditions of Medicare patients treated by Dr. Jack M. Greenwood, MD in 2019

Hypertension	75
High Cholesterol	73
Stroke	10
Ischemic Heart Disease	45
Depression	26
Chronic Kidney Disease	36
Asthma	9
Osteoperosis	12
Atrial Fibrilation	7
Heart Failure	24
Chronic Obstructive Pulmonary Disease	12
Diabetes	52
Dementia	15
Cancer	11

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Jack M. Greenwood, MD treated as a pediatric neurologist in Port Jefferson, NY during 2020 were diagnostic procedures.

Volume of procedures performed by Dr. Jack M. Greenwood, MD for Medicare patients.

diagnostic procedures	32
doctor visit	101

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Jack M. Greenwood, MD.

**Gender**
Male	110
Female	147

**Ethnicity**
Non-Hispanic White	130
Black	63
Hispanic	49
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	110
From 75 to 84	76
85 and over	28
Less than 65	43

Conditions of Medicare patients treated by Dr. Jack M. Greenwood, MD in 2020

Hypertension	75
High Cholesterol	73
Stroke	11
Ischemic Heart Disease	47
Depression	25
Chronic Kidney Disease	35
Asthma	12
Osteoperosis	11
Atrial Fibrilation	7
Heart Failure	20
Chronic Obstructive Pulmonary Disease	11
Diabetes	49
Dementia	17
Cancer	10

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Jack M. Greenwood, MD treated as a pediatric neurologist in Port Jefferson, NY during 2021 were diagnostic procedures and electroencephalography (EEG).

Volume of procedures performed by Dr. Jack M. Greenwood, MD for Medicare patients.

diagnostic procedures	40
doctor visit	140
electroencephalography (EEG)	28

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Jack M. Greenwood, MD.

**Gender**
Male	121
Female	165

**Ethnicity**
Non-Hispanic White	145
Black	68
Hispanic	57
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	101
From 75 to 84	99
85 and over	47
Less than 65	39

Conditions of Medicare patients treated by Dr. Jack M. Greenwood, MD in 2021

Hypertension	75
High Cholesterol	74
Stroke	12
Ischemic Heart Disease	42
Depression	28
Chronic Kidney Disease	29
Asthma	9
Osteoperosis	13
Atrial Fibrilation	8
Heart Failure	19
Chronic Obstructive Pulmonary Disease	12
Diabetes	45
Dementia	22
Cancer	11

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Jack M. Greenwood, MD treated as a pediatric neurologist in Port Jefferson, NY during 2022 were diagnostic procedures.

Volume of procedures performed by Dr. Jack M. Greenwood, MD for Medicare patients.

diagnostic procedures	12
doctor visit	148

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Jack M. Greenwood, MD.

**Gender**
Male	67
Female	88

**Ethnicity**
Non-Hispanic White	90
Black	32
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	50
From 75 to 84	60
85 and over	23
Less than 65	22

Conditions of Medicare patients treated by Dr. Jack M. Greenwood, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	25
Ischemic Heart Disease	34
Depression	25
Chronic Kidney Disease	25
Asthma	10
Osteoperosis	14
Atrial Fibrilation	10
Heart Failure	10
Chronic Obstructive Pulmonary Disease	14
Diabetes	53
Dementia	15
Cancer	14

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Jack M. Greenwood, MD treated as a pediatric neurologist in Port Jefferson, NY during 2023 were electroencephalography (EEG).

Volume of procedures performed by Dr. Jack M. Greenwood, MD for Medicare patients.

doctor visit	136
electroencephalography (EEG)	12

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Jack M. Greenwood, MD.

**Gender**
Male	69
Female	75

**Ethnicity**
Non-Hispanic White	80
Black	25
Hispanic	26
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	58
From 75 to 84	49
85 and over	17
Less than 65	20

Conditions of Medicare patients treated by Dr. Jack M. Greenwood, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	22
Ischemic Heart Disease	42
Depression	19
Chronic Kidney Disease	22
Asthma	13
Osteoperosis	13
Atrial Fibrilation	18
Heart Failure	15
Chronic Obstructive Pulmonary Disease	15
Diabetes	43
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

Volume of procedures performed by Dr. Jack M. Greenwood, MD for Medicare patients.

doctor visit	110

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Jack M. Greenwood, MD.

**Gender**
Male	49
Female	69

**Ethnicity**
Non-Hispanic White	67
Black	0
Hispanic	24
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	35
From 75 to 84	56
85 and over	16
Less than 65	11

Conditions of Medicare patients treated by Dr. Jack M. Greenwood, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	19
Ischemic Heart Disease	38
Depression	12
Chronic Kidney Disease	20
Asthma	19
Osteoperosis	18
Atrial Fibrilation	19
Heart Failure	19
Chronic Obstructive Pulmonary Disease	18
Diabetes	53
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Jack M. Greenwood, MD for Medicare patients.

The highest averages for the top procedures that Dr. Jack M. Greenwood, MD treated as a pediatric neurologist in Port Jefferson, NY were diagnostic procedures and electroencephalography (EEG).

diagnostic procedures	1308
doctor visit	287
electroencephalography (EEG)	15

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Jack M. Greenwood, MD.

**Gender**
Male	182
Female	231

**Ethnicity**
Black / African American	62
Asian / Pacific Islander	6
Non-Hispanic White	267
Native American / Alaskan Native	0
Hispanic	52
Other	1

**Age**
75 to 84	145
85 and over	71
Less than 65	48
65 to 74	148

Average of Total of Conditions of Medicare patients treated by Dr. Jack M. Greenwood, MD From 2012 - 2024

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

Hypertension	69
High Cholesterol	65
Stroke	13
Ischemic Heart Disease	43
Depression	24
Chronic Kidney Disease	26
Asthma	10
Osteoporosis	11
Heart Failure	21
Chronic Obstructive Pulmonary Disease	13
Diabetes	48
Atrial Fibrillation	10
Cancer	10
Dementia	20

Education & Training

He has a state license in New York.

Licensed In: New York

Ratings & Reviews

Dr. Jack M. Greenwood, MD has a high overall rating with an average of 4.25 out of 5 stars based on 6 ratings. We collect ratings and reviews of Dr. Jack M. Greenwood, MD from all over the web to help you find the right in Port Jefferson, NY.

4.25

Overall Rating

(6 Ratings)

Leave a Review

General Payments

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

**Payments by Company**
UCB, Inc.	$1,259 Vimpat $913	Briviact $331	Neupro $15
Supernus Pharmaceuticals, Inc.	$569 TROKENDI XR $544	QELBREE $14	OXTELLAR XR $12
Biogen, Inc.	$527 PLEGRIDY $158	TYSABRI $65	TECFIDERA $46	AVONEX $17	$241
Shire North American Group Inc	$333 VYVANSE $198	MYDAYIS $135
Sunovion Pharmaceuticals Inc.	$312 APTIOM $312
Other	$2,164 QUILLIVANT XR $173	QULIPTA $144	UBRELVY $120	Fycompa $110	Depakote $103	Other $1,514

**Types of Payments**
Food and Beverage	$5,097
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$62
Education	$5

Biography

Dr. Jack Greenwood's specialty is pediatric neurology. He has a 4.0 out of 5 star average patient rating.

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Dr. Jack M. Greenwood, MD

Office Locations

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. Jack M. Greenwood, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jack M. Greenwood, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jack M. Greenwood, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jack M. Greenwood, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jack M. Greenwood, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jack M. Greenwood, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jack M. Greenwood, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jack M. Greenwood, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jack M. Greenwood, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jack M. Greenwood, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jack M. Greenwood, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Jack M. Greenwood, MD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Jack M. Greenwood, MD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Biography

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